CN106932597A - Purposes of 1 lysine of generation mass shift of ATP5A1 protein 53s in the few weak smart diagnostic reagent of severe is prepared - Google Patents

Purposes of 1 lysine of generation mass shift of ATP5A1 protein 53s in the few weak smart diagnostic reagent of severe is prepared Download PDF

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CN106932597A
CN106932597A CN201710198206.3A CN201710198206A CN106932597A CN 106932597 A CN106932597 A CN 106932597A CN 201710198206 A CN201710198206 A CN 201710198206A CN 106932597 A CN106932597 A CN 106932597A
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CN106932597B (en
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杨静华
陈新骏
吕鑫
陈子江
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Shandong University
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Abstract

Purposes the invention discloses 1 lysine of+42.01108 mass shifts of generation of ATP5A1 protein 53s as biomarker in the diagnostic reagent or medicine for preparing the few weak essence of severe.Present invention discover that:Can be used to diagnose the few azoospermia of severe by the inspection frequency of 1+42.01108 mass shift of generation of ATP5A1 protein 53s, for the few azoospermia of severe provides new diagnosis and therapy target.

Description

1 lysine of generation mass shift of ATP5A1 protein 53s is preparing the few weak essence of severe Purposes in diagnostic reagent
Technical field
The present invention relates to medical science and molecular diagnostic techniques field, and in particular to a kind of 1 generation quality of ATP5A1 protein 53s Purposes of the lysine of skew as biomarker in the few weak smart diagnostic reagent of severe is prepared.
Background technology
The infertile healthy reproduction problem turned into worldwide, wherein because the infertility that male factor is caused is big It is general to account for 50% or so, and in recent years in the trend for rising.The main cause for causing male sterility is oligoasthenospermia disease.According to the world Health Organization criterion specifies, if a grades of sperm count<25%, (a+b) level sperm count<50%, and sperm motility rate is less than 60% Words, so that it may be diagnosed as asthénospermie.Oligospermatism refers to that the sperm number in seminal fluid has fecundity male less than normal A kind of illness, when the sperm of male is oligospermatism when being less than 2,000 ten thousand for every milliliter, just.
The current research on sperm protein matter group has a lot.Saraswat etc. is using the method for UPLC-MS in Human Sperm 667 albumen are quantified in son, and has analyzed the differential protein in 20 Healthy Peoples and azoospermia patient's sperm (Saraswat M,Joenvaara S,Jain T et al.Human Spermatozoa Quantitative Proteomic Signature Classifies Normo-and Asthenozoospermia.Molecular&cellular proteomics:MCP,16(1),57-72(2017).).Human sperm's protein group of latest update totally 6198 albumen (Amaral A,Castillo J,Ramalho-Santos J,Oliva R.The combined human sperm proteome:cellular pathways and implications for basic and clinical science.Human reproduction update,20(1),40-62(2014).).Gaigai Wang etc. utilize high-resolution Mass spectrum identifies 4675 albumen (Wang G, Guo Y, Zhou T et al.In-depth proteomic in human sperm analysis of the human sperm reveals complex protein compositions.Journal of proteomics,79,114-122(2013).).TYR phosphorylation is for processes such as the motion of sperm, capacitation, super sharp motions Important function.Chying-Chyuan Chan etc. carry out proteomics by the sperm to 20 groups of normal persons and azoospermia patient Analysis finds that 12 kinds there occurs peroxophosphoric acid (Chan CC, Shui HA, Wu CH et including the albumen including TUBGCP2 al.Motility and Protein Phosphorylation in Healthy and Asthenozoospermic Sperm.Journal of proteome research,8(11),5382-5386(2009))。
Undoded amino acid includes posttranslational modification and amino acid mutation, is the important side of modulin function and structure Formula, thus using abnormal under the morbid state or great undoded amino acid of number change as disease biomarker, And then process for diagnosing the illness is significant.But undoded amino acid is not related to also at present as few weak with severe The report of the related biomarker of sperm disease.
The content of the invention
For above-mentioned prior art, it is an object of the invention to provide a kind of biomarker related to severe teen bra Screening with application.The present invention is first with NanoHPLC-MS/MS mass spectrometer systems and label-free proteomics method pair The sperm protein undoded amino acid of the few weak smart disease of multigroup severe has carried out the mass spectral analysis of depth;Then non-limiting ammonia is utilized Base acid protein modification analysis method is scanned for mass spectrometric data, then by multivariate Gaussian mixed distribution cluster analysis, to the greatest extent Substantial amounts of may identify undoded amino acid in sperm protein group;Finally by non-coding in normal and patient's sperm protein group The comparing of amino acid, obtains the albumen undoded amino acid site related to the few azoospermia of severe, so as to few as severe The molecular marker of azoospermia.
To achieve the above object, the present invention is adopted the following technical scheme that:
A kind of the first aspect of the present invention, there is provided screening side of the biomarker related to severe teen bra Method, comprises the following steps:
(1) spermatoblast holoprotein is extracted;
(2) spermatoblast holoprotein is separated using gel electrophoresis, cuts glue enzymolysis, desalination is carried out to the peptide fragment after enzymolysis, Prepare sample;
(3) by the sample of step (2) using receiving flow liquid phase chromatographic isolation, enter again through receiving the sample after flow liquid phase chromatographic isolation Row Mass Spectrometer Method, gathers mass spectrometric data;
(4) mass spectrometric data is scanned for using non-limiting aminoacid protein modification analysis method, then by multivariable Gaussian Mixture distributed clustering analysis, it is as substantial amounts of as possible to identify undoded amino acid in sperm protein group;Finally by normal The comparing of undoded amino acid, obtains the egg related to the few azoospermia of severe in the few weak essence individuality sperm protein group of individual and severe White undoded amino acid site, biomarker as related to severe teen bra.
In step (1), extract the method that uses of spermatoblast holoprotein for:Sperm sample is washed using DPBS, is added RIPA lysate 1~2min of ultrasound, are placed in and be incubated on ice 30min cracking, and centrifugation takes supernatant.
Preferably, it is centrifuged under conditions of 4 DEG C, centrifugal rotational speed is 14,000g, and centrifugation time is 20min.
In step (2), it is preferred that albumen is separated using 10% polyacrylamide gel electrophoresis (SDS-PAGE).
In step (2), it is preferred that carry out desalination to the peptide fragment after enzymolysis using ziptip.
In step (3), the chromatographic condition of flow liquid phase chromatographic isolation received is:Mobile phase A:Water containing 0.1% formic acid, flowing Phase B:Acetonitrile containing 0.1% formic acid;Flow liquid phase mass spectrometry system of receiving is Orbitrap Elite (Thermo Scientific)
Elution requirement is:0-100min, 95-68% mobile phase A, 5-32% Mobile phase Bs;100-120min, 68-20% flow Dynamic phase A, 32-80% Mobile phase B;120-150min, 20% mobile phase A, 80% Mobile phase B;
Flow velocity is 300nL/min.
In step (3), the condition of Mass Spectrometer Method is:The full scan of 350-1800m/z, resolution ratio is 60,000 (m/z 200).When second order spectrum is scanned, soak time is 10ms, and isolation width is 2m/z;Fragmentation pattern is collisionally dissociated for induction (collision-induced dissociation, CID), normalization collision energy is set as 35%, and dynamic efflux time is 90s。
In step (4), the parameter that mass spectrometric data is scanned for is set to:Protease is trypsase, and leakage enzyme site sets It is set to 2, parent ion mass deviation is 10ppm, and the mass deviation of fragment ion is 0.6Da, the blind upper limit of searching is set to 1000, blind to search down Limit is set to -200, and albumen FDR is 0.01;
Selection peptide fragment fraction>200 and FDR<The unknown modifications that 0.01 peptide fragment is searched as Wildcard SearchTM Data, constitute mass change one-dimensional data matrix (- 200Da-400Da), then by data according to 1Da excursion, 0.5Da It is boundary, is divided into 601 data windows.
In step (4), the method for multivariate Gaussian mixed distribution cluster analysis is:For each data window, R languages are used The mclust program bags for calling the turn do Gaussian Mixture distributed clustering analysis, take optimal value according to BIC, then each peak is merged Analysis, then with each peak of Gauss Distribution Fitting, determines peak value;The peptide fragment number of sites included in each peak after cluster According to, it is distributed according to site amino acids, selection data of the distribution more than 5% are used as a class undoded amino acid.
In step (4), the individual undoded amino acid of the few weak essence of normal individual and severe is examined according to its T for detecting frequency Test (p<0.05) with ratio (ratio>2) screened, so as to obtain difference undoded amino acid.
Above-mentioned screening technique is, for obtaining biomarker, and not to be diagnosis to obtain disease and treatment results are mesh 's;The biomarker obtained through above-mentioned screening technique can be used for the theoretical research of severe teen bra or opening for novel drugs Hair.
The second aspect of the present invention, there is provided according to above-mentioned screening technique screening obtain it is related to severe teen bra Biomarker, the biomarker is included but is not limited to:
The serine of 8+79.96685 mass shifts of generation of AKAP3 protein 20s (is labeled as S+79.96685;According to quality Deviant, determines that the serine of the position there occurs phosphorylation modification);
6 asparagines of -113.05347 mass shifts of generation (being labeled as N-113.05347) of AKAP4 protein 18s;
6 asparagines of -114.04278 mass shifts of generation (being labeled as N-114.04278) of AKAP4 protein 18s;
617 glutamine of -17.02660 mass shifts of generation (being labeled as Q-17.02660) of AKAP4 albumen;
733 lysines of+211.09682 mass shifts of generation (being labeled as K+211.09682) of AKAP4 albumen;
The lysine of 1+42.01108 mass shift of generation of ATP5A1 protein 53s (is labeled as K+42.01108;According to matter Amount deviant, determines that the lysine of the position there occurs acetylation modification);
The lysine of 87+42.01108 mass shifts of generation of COX4I1 albumen (is labeled as K+42.01108;According to quality Deviant, determines that the lysine of the position there occurs acetylation modification);
The threonine of 64+79.96685 mass shifts of generation of GAPDHS albumen (is labeled as T+79.96685;According to quality Deviant, determines that the threonine of the position there occurs phosphorylation modification);
Serine with 2+79.96685 mass shifts of generation of KIAA1683 protein 69s (is labeled as S+79.96685;Root According to quality offset value, determine that the serine of the position there occurs phosphorylation modification).
The third aspect of the present invention, there is provided 8 serine conducts of+79.96685 mass shifts of generation of AKAP3 protein 20s Purposes of the biomarker in the diagnostic reagent for preparing the few weak essence of severe.
Preferably, to be also used as severe few weak for the serines of+79.96685 mass shifts of the generation of AKAP3 protein 20s 8 The target of essence treatment, so that for the treatment of the few weak essence of severe.
Further, the present invention also provides AKAP3 protein 20s 8 serine conducts of+79.96685 mass shifts of generation Purposes of the biomarker in the medicine for preparing the few weak essence of severe.
The present invention also provides a kind of kit for the few weak essence diagnosis of severe, and the kit includes specific detection The reagent of above-mentioned biomarker (8 serines of+79.96685 mass shifts of generation of AKAP3 protein 20s).
The present invention also provides a kind of medicine for treating the few weak essence of severe, and containing in the medicine can make AKAP3 protein 20s 8 Position serine carries out the component of phosphorylation modification.
The present invention also provides a kind of diagnostic method of the few weak essence of severe, and step is:Detection sample to be tested AKAP3 protein 20s 8 There is the frequency of+79.96685 mass shifts in position serine, if the detection frequency is less than 1.5, be judged to less weak smart patient.
The fourth aspect of the present invention, there is provided 6 asparagines of -113.05347 mass shifts of generation of AKAP4 protein 18s As purposes of the biomarker in the diagnostic reagent for preparing the few weak essence of severe.
The present invention also provides a kind of kit for the few weak essence diagnosis of severe, and the kit includes specific detection The reagent of above-mentioned biomarker (6 asparagines of -113.05347 mass shifts of generation of AKAP4 protein 18s).
The present invention also provides a kind of diagnostic method of the few weak essence of severe, and step is:Detection sample to be tested AKAP4 protein 18s 6 There is the frequency of -113.05347 mass shifts in position asparagine, when the detection frequency is less than 0.5, be judged to less weak smart patient.
The fifth aspect of the present invention, there is provided 6 asparagines of -114.04278 mass shifts of generation of AKAP4 protein 18s As purposes of the biomarker in the diagnostic reagent for preparing the few weak essence of severe.
The present invention also provides a kind of kit for the few weak essence diagnosis of severe, and the kit includes specific detection The reagent of above-mentioned biomarker (6 asparagines of -114.04278 mass shifts of generation of AKAP4 protein 18s).
The present invention also provides a kind of diagnostic method of the few weak essence of severe, and step is:Detection sample to be tested AKAP4 protein 18s 6 There is the frequency of -114.04278 mass shifts in position asparagine, when the detection frequency is less than 0.5, be judged to less weak smart patient.
The sixth aspect of the present invention, there is provided the glutamine of 617-17.02660 mass shifts of generation of AKAP4 albumen is made It is purposes of the biomarker in the diagnostic reagent for preparing the few weak essence of severe.
The present invention also provides a kind of kit for the few weak essence diagnosis of severe, and the kit includes specific detection The reagent of above-mentioned biomarker (617 glutamine of -17.02660 mass shifts of generation of AKAP4 albumen).
The present invention also provides a kind of diagnostic method of the few weak essence of severe, and step is:Detection sample to be tested AKAP4 albumen 617 There is the frequency of -17.02660 mass shifts in position glutamine, when the detection frequency is less than 0.5, be judged to less weak smart patient.
The seventh aspect of the present invention, there is provided 733 lysine conducts of+211.09682 mass shifts of generation of AKAP4 albumen Purposes of the biomarker in the diagnostic reagent for preparing the few weak essence of severe.
The present invention also provides a kind of kit for the few weak essence diagnosis of severe, and the kit includes specific detection The reagent of above-mentioned biomarker (733 lysines of+211.09682 mass shifts of generation of AKAP4 albumen).
The present invention also provides a kind of diagnostic method of the few weak essence of severe, and step is:Detection sample to be tested AKAP4 albumen 733 There is the frequency of+211.09682 mass shifts in position lysine, when the detection frequency is less than 3.5, be judged to less weak smart patient.
The eighth aspect of the present invention, there is provided 1 lysine conduct of+42.01108 mass shifts of generation of ATP5A1 protein 53s Purposes of the biomarker in the diagnostic reagent for preparing the few weak essence of severe.
Preferably, to be also used as severe few weak for the lysine of+42.01108 mass shifts of the generation of ATP5A1 protein 53s 1 The target of essence treatment, so that for the treatment of the few weak essence of severe.
Further, the present invention also provides ATP5A1 protein 53s 1 lysine conduct of+42.01108 mass shifts of generation Purposes of the biomarker in the medicine for preparing the few weak essence of severe.
The present invention also provides a kind of kit for the few weak essence diagnosis of severe, and the kit includes specific detection The reagent of above-mentioned biomarker (1 lysine of+42.01108 mass shifts of generation of ATP5A1 protein 53s).
The present invention also provides a kind of medicine for treating the few weak essence of severe, and containing in the medicine can make ATP5A1 albumen 531 lysines carry out the component of acetylation modification.
The present invention also provides a kind of diagnostic method of the few weak essence of severe, and step is:Detection sample to be tested ATP5A1 protein 53s 1 There is the frequency of+42.01108 mass shifts in position lysine, if the detection frequency is less than 0.5, be judged to less weak smart patient.
The ninth aspect of the present invention, there is provided 87 lysine conducts of+42.01108 mass shifts of generation of COX4I1 albumen Purposes of the biomarker in the diagnostic reagent for preparing the few weak essence of severe.
Preferably, to be also used as severe few weak for the lysines of+42.01108 mass shifts of 87, COX4I1 albumen generation The target of essence treatment, so that for the treatment of the few weak essence of severe.
Further, the present invention also provides COX4I1 albumen 87 lysine conducts of+42.01108 mass shifts of generation Purposes of the biomarker in the medicine for preparing the few weak essence of severe.
The present invention also provides a kind of kit for the few weak essence diagnosis of severe, and the kit includes specific detection The reagent of above-mentioned biomarker (87 lysines of+42.01108 mass shifts of generation of COX4I1 albumen).
The present invention also provides a kind of medicine for treating the few weak essence of severe, and containing in the medicine can make COX4I1 albumen 87 Position lysine carries out the component of acetylation modification.
The present invention also provides a kind of diagnostic method of the few weak essence of severe, and step is:Detection sample to be tested COX4I1 albumen 87 There is the frequency of+42.01108 mass shifts in position lysine, if the detection frequency is less than 0.5, be judged to less weak smart patient.
The tenth aspect of the present invention, there is provided 64 threonine conducts of+79.96685 mass shifts of generation of GAPDHS albumen Purposes of the biomarker in the diagnostic reagent for preparing the few weak essence of severe.
Preferably, to be also used as severe few weak for the threonines of+79.96685 mass shifts of 64, GAPDHS albumen generation The target of essence treatment, so that for the treatment of the few weak essence of severe.
Further, the present invention also provides GAPDHS albumen 64 threonine conducts of+79.96685 mass shifts of generation Purposes of the biomarker in the medicine for preparing the few weak essence of severe.
The present invention also provides a kind of kit for the few weak essence diagnosis of severe, and the kit includes specific detection The reagent of above-mentioned biomarker (64 threonines of+79.96685 mass shifts of generation of GAPDHS albumen).
The present invention also provides a kind of medicine for treating the few weak essence of severe, and containing in the medicine can make GAPDHS albumen 64 Position threonine carries out the component of phosphorylation modification.
The present invention also provides a kind of diagnostic method of the few weak essence of severe, and step is:Detection sample to be tested GAPDHS albumen 64 There is the frequency of+79.96685 mass shifts in position threonine, if the detection frequency is less than 3.5, be judged to less weak smart patient.
The eleventh aspect of the present invention, there is provided 2 serines of+79.96685 mass shifts of generation of KIAA1683 protein 69s As purposes of the biomarker in the diagnostic reagent for preparing the few weak essence of severe.
Preferably, to be also used as severe few for the serines of+79.96685 mass shifts of the generation of KIAA1683 protein 69s 2 The target of weak essence treatment, so that for the treatment of the few weak essence of severe.
Further, the present invention also provides the serine work of 2+79.96685 mass shifts of generation of KIAA1683 protein 69s It is purposes of the biomarker in the medicine for preparing the few weak essence of severe.
The present invention also provides a kind of kit for the few weak essence diagnosis of severe, and the kit includes specific detection The reagent of above-mentioned biomarker (2 serines of+79.96685 mass shifts of generation of KIAA1683 protein 69s).
The present invention also provides a kind of medicine for treating the few weak essence of severe, and containing in the medicine can make KIAA1683 albumen 692 serines carry out the component of phosphorylation modification.
The present invention also provides a kind of diagnostic method of the few weak essence of severe, and step is:Detection sample to be tested KIAA1683 albumen There is the frequency of+79.96685 mass shifts in 692 serines, if the detection frequency is less than 0.5, be judged to less weak smart patient.
Beneficial effects of the present invention:
(1) present invention establishes a kind of screening technique of the biomarker related to severe teen bra first, leads to Cross and treatment is analyzed to the mass spectrometric data of great amount of samples sperm protein, it is as substantial amounts of as possible to identify non-volume in sperm protein group Code amino acid;Finally by the comparing of undoded amino acid in normal and patient's sperm protein group, obtain and the few azoospermia of severe Related albumen undoded amino acid site, so as to the molecular marker as the few azoospermia of severe.
(2) present invention is further studied the biomarker that above-mentioned screening technique is obtained, and discovery can pass through The inspection frequency of above-mentioned biomarker diagnoses the few azoospermia of severe, for the few azoospermia of severe provides new diagnosis and treatment Target spot.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing further understanding of the present application, and the application's shows Meaning property embodiment and its illustrated for explaining the application, does not constitute the improper restriction to the application.
Fig. 1:Phosphorylation modification S+79.96685 on 8 serines of AKAP3 protein 20s detects the ROC curve of frequency.
Fig. 2:Phosphorylation modification S+79.96685 inspections in healthy and few weak smart sample on 8 serines of AKAP3 protein 20s Measured frequency compares.
Fig. 3:6 undoded amino acid N-113.05347 of AKAP4 protein 18s detect the ROC curve of frequency.
Fig. 4:6 undoded amino acid N-113.05347 detection frequency ratios of AKAP4 protein 18s of healthy and few weak smart sample Compared with.
Fig. 5:6 undoded amino acid N-114.04278 of AKAP4 protein 18s detect the ROC curve of frequency.
Fig. 6:6 undoded amino acid N-114.04278 detection frequency ratios of AKAP4 protein 18s of healthy and few weak smart sample Compared with.
Fig. 7:617 undoded amino acid Q-17.02660 of AKAP4 albumen detect the ROC curve of frequency.
Fig. 8:617 undoded amino acid Q-17.02660 detection frequency ratios of AKAP4 albumen of healthy and few weak smart sample Compared with.
Fig. 9:733 undoded amino acid K+211.09682 of AKAP4 albumen detect the ROC curve of frequency.
Figure 10:The undoded amino acid K+211.09682 detections frequency of healthy and few weak smart sample compares.
Figure 11:1 lysine acetylation modification K+42.01108 of ATP5A1 protein 53s detects the ROC curve of frequency.
Figure 12:1 lysine acetylation modification K+42.01108 detection of ATP5A1 protein 53s of healthy and few weak smart sample Frequency compares.
Figure 13:87 lysine acetylation modification K+42.01108 of COX4I1 albumen detect the ROC curve of frequency.
Figure 14:87 lysine acetylation modification K+42.01108 detection frequencies of COX4I1 albumen of healthy and few weak smart sample Rate compares.
Figure 15:Phosphorylation modification T+79.96685 on 64 threonines of GAPDHS albumen detects the ROC curve of frequency.
Figure 16:Phosphorylation modification T+79.96685 inspections in healthy and few weak smart sample on 64 threonines of GAPDHS albumen Measured frequency compares.
Figure 17:2 serine phosphorylation modification S+79.96685 of KIAA1683 protein 69s detect the ROC curve of frequency.
Figure 18:2 serine phosphorylation modification S+79.96685 inspections of KIAA1683 protein 69s in healthy and few weak smart sample Measured frequency compares.
Specific embodiment
It is noted that described further below is all exemplary, it is intended to provide further instruction to the application.Unless another Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative Be also intended to include plural form, additionally, it should be understood that, when in this manual use term "comprising" and/or " bag Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
As background technology is introduced, it is not related to undoded amino acid also in the prior art and lacks weak essence as with severe The report of the related biomarker of sub- disease.Based on this, the present invention proposes a kind of biology related to severe teen bra The screening technique of mark and application.
In a kind of embodiment of the application, it is proposed that a kind of biomarker related to severe teen bra Screening technique, comprises the following steps:
(1) spermatoblast holoprotein is extracted;
(2) spermatoblast holoprotein is separated using gel electrophoresis, cuts glue enzymolysis, desalination is carried out to the peptide fragment after enzymolysis, Prepare sample;
(3) by the sample of step (2) using receiving flow liquid phase chromatographic isolation, enter again through receiving the sample after flow liquid phase chromatographic isolation Row Mass Spectrometer Method, gathers mass spectrometric data;
(4) mass spectrometric data is scanned for using non-limiting aminoacid protein modification analysis method, then by multivariable Gaussian Mixture distributed clustering analysis, it is as substantial amounts of as possible to identify undoded amino acid in sperm protein group;Finally by normal The comparing of undoded amino acid, obtains the egg related to the few azoospermia of severe in the few weak essence individuality sperm protein group of individual and severe White undoded amino acid site, biomarker as related to severe teen bra.
Ready availability due to sperm sample, its transcription and translation stays cool after spermioteleosis, this also for we Teen bra is studied on protein level and provides convenient, the application is first with NanoHPLC-MS/MS mass spectrometer systems and non- Mark quantitative proteomicses method has carried out depth to the sperm protein undoded amino acid of the few weak smart disease of multigroup severe Mass spectral analysis;Then mass spectrometric data is scanned for using non-limiting aminoacid protein modification analysis method, then by changeable Amount Gaussian Mixture distributed clustering analysis, it is as substantial amounts of as possible to identify undoded amino acid in sperm protein group.Finally will be normal Undoded amino acid with ill group checks (p according to its T for detecting frequency<0.05) with ratio (ratio>2) screened, from And obtain difference undoded amino acid.Then difference undoded amino acid ROC curve is made using SPSS softwares, and it is bent to calculate it Area (AUC) under line, and then judge its diagnostic value.
Using the above-mentioned screening technique of the application, the series biomarker related to severe teen bra is obtained, It is specific as follows:
The serine of 8+79.96685 mass shifts of generation of AKAP3 protein 20s (is labeled as S+79.96685;According to quality Deviant, determines that the serine of the position there occurs phosphorylation modification);
6 asparagines of -113.05347 mass shifts of generation (being labeled as N-113.05347) of AKAP4 protein 18s;
6 asparagines of -114.04278 mass shifts of generation (being labeled as N-114.04278) of AKAP4 protein 18s;
617 glutamine of -17.02660 mass shifts of generation (being labeled as Q-17.02660) of AKAP4 albumen;
733 lysines of+211.09682 mass shifts of generation (being labeled as K+211.09682) of AKAP4 albumen;
The lysine of 1+42.01108 mass shift of generation of ATP5A1 protein 53s (is labeled as K+42.01108;According to matter Amount deviant, determines that the lysine of the position there occurs acetylation modification);
The lysine of 87+42.01108 mass shifts of generation of COX4I1 albumen (is labeled as K+42.01108;According to quality Deviant, determines that the lysine of the position there occurs acetylation modification);
The threonine of 64+79.96685 mass shifts of generation of GAPDHS albumen (is labeled as T+79.96685;According to quality Deviant, determines that the threonine of the position there occurs phosphorylation modification);
Serine with 2+79.96685 mass shifts of generation of KIAA1683 protein 69s (is labeled as S+79.96685;Root According to quality offset value, determine that the serine of the position there occurs phosphorylation modification).
It is described in the another embodiment of the application, it is proposed that a kind of kit for the few weak essence diagnosis of severe Kit includes the reagent of the above-mentioned biomarker of specific detection.
Detected by above-mentioned biomarker, it is possible to achieve the diagnosis to the few azoospermia of severe.
In the another embodiment of the application, it is proposed that a kind of medicine for treating the few weak essence of severe, in the medicine Containing 8 serines of AKAP3 protein 20s, 2 serines of 64 threonines of GAPDHS albumen or KIAA1683 protein 69s can be made Carry out the component of phosphorylation modification, or containing 87 bad ammonia of 1 lysine of ATP5A1 protein 53s or COX4I1 albumen can be made Acid carries out the component of acetylation modification.
It has been investigated that, 8 serines of AKAP3 protein 20s of phosphorylation modification, 64 threonines of GAPDHS albumen and The downward of 2 serines of KIAA1683 protein 69s conspicuousness in the few weak smart sample of severe, the ATP5A1 albumen of acetylation modification 87 lysines of 531 lysines or COX4I1 albumen also in the few weak smart sample of severe conspicuousness downward.It is possible thereby to close Reason is expected, and using above-mentioned biomarker as target, phosphorus is carried out by the amino acid at the few weak smart patient target of multiplicity Acidifying or acetylation modification, can play the therapeutic action of weak essence few to severe.
In order that obtaining those skilled in the art can clearly understand the technical scheme of the application, below with reference to tool The embodiment of body describes the technical scheme of the application in detail.
Test material used is the conventional test material in this area in the embodiment of the present invention, can be by commercial channel It is commercially available.
Embodiment 1:The screening of the biomarker related to severe teen bra
Specific screening technique is as follows:
First, sample process and experimental analysis
1. the extraction of spermatoblast holoprotein:The few weak essence of the severe of equivalent and eupyrene sperm sample wash three with DPBS respectively It is secondary, equivalent RIPA lysate 1~2min of ultrasound are added, it is placed in and be incubated on ice 30min cracking, 4 DEG C of centrifugation 14,000g × 20min Take supernatant.Protein concentration is determined using Bradford methods.
2. proteolysis:The few weak essence of about severe and each 150 μ g sperm proteins of eupyrene sperm sample are taken, 10% polypropylene is used Acyl ammonia gel electrophoresis (SDS-PAGE) is separated to albumen, and being respectively divided into 5 parts carries out cutting glue enzymolysis.Peptide fragment is entered using ziptip Row desalination.
3. mass spectral analysis:Receive flow liquid phase chromatographic isolation:A phases:Water containing 0.1% formic acid;B phases:Contain 0.1% formic acid Acetonitrile
Respectively with 13.5 μ L A phased solns, sample injection volume is 4 μ L to each sample, and flow liquid phase mass spectrometry system of receiving is Orbitrap Elite(Thermo Scientific).Sample separate before respectively with 4 μ L A balance each other homemade pre-column and point Analysis post.The specification of pre-column and analytical column is respectively:Pre-column (5 μm of 4cm × 150 μm I.D., C18 packing material size,), analysis Post (30cm × 75 μm I.D., C18 filler are filled, 3 μm of particle diameter,Dr.Maisch GmbH,Germany).After balance Load sample, in pre-column, then carries out liquid phase separation to sample under different gradients first under the drive of A phases.150min chromatograms gradient becomes Change as follows:5-32% Mobile phase Bs 100min;32-80% Mobile phase Bs, 20min;80% Mobile phase B, 30min.Flow velocity is protected all the time Hold in 300nL/min.ESI ionsprays source and entrance Orbitrap Elite are directly entered by receiving the sample of flow liquid phase separation Mass Spectrometer Method is carried out in mass spectrograph.
Mass spectrometric data is gathered:The full scan of 350-1800m/z, resolution ratio is 60,000 (m/z 200).Second order spectrum is scanned When, soak time is 10ms, and isolation width is 2m/z.Fragmentation pattern is collisionally dissociated (collision-induced for induction Dissociation, CID), normalization collision energy is set as 35%, and dynamic efflux time is 90s.
2nd, MASS SPECTRAL DATA ANALYSIS
Byonic is analyzed:In order to identify the undoded amino acid of sperm protein, we use ByonicTMAnalysis 21 pairs is normal With the protamine mass spectrometric data of the few weak smart patient of severe.Search parameter is as follows:Protease is trypsase, and leakage enzyme site is set to 2, parent ion mass deviation is 10ppm, and the mass deviation of fragment ion is 0.6Da, and the blind upper limit of searching is set to 1000, and blind lower limit of searching sets For -200. albumen FDR are 0.01.
Selection peptide fragment fraction>200 and FDR<0.01 peptide fragment is used as Wildcard SearchTMThe unknown modifications for searching Data, constitute mass change one-dimensional data matrix (- 200Da-400Da), then by data according to 1Da excursion, 0.5Da It is boundary, is divided into 601 data windows.For each data window, it is Gauss with the mclust program bags in R language and mixes Distributed clustering analysis are closed, optimal value is taken according to BIC, then analysis is merged to each peak, it is then every with Gauss Distribution Fitting One peak, determines peak value.Peptide fragment site data included in each peak after cluster, are distributed according to site amino acids, choosing Data of the distribution more than 5% are selected as a class undoded amino acid.
The normal undoded amino acid with ill group is checked into (p according to its T for detecting frequency<0.05) with ratio (ratio >2) screened, so as to obtain difference undoded amino acid.Then difference undoded amino acid ROC is made using SPSS softwares Curve, and its TG-AUC (AUC) is calculated, and then judge its diagnostic value.
3rd, experimental result:
Compare through MASS SPECTRAL DATA ANALYSIS and by the normal undoded amino acid with ill group, so as to obtain 9 non-volumes of difference Code amino acid, can be specific as follows as the biomarker related to severe teen bra:
The serine of 8+79.96685 mass shifts of generation of 1.AKAP3 protein 20s (is labeled as S+79.96685;According to matter Amount deviant, determines that the serine of the position there occurs phosphorylation modification)
We have found that phosphorylation modification S+79.96685 is there occurs on 8 serines of AKAP3 protein 20s, by comparing discovery This phosphorylation modification has lowered 10.7 times in the few weak smart sample significance of severe, and p value is 7.49E-15<0.05.
It is few to severe weak to evaluate the phosphorylation modification S+79.96685 detection frequencies on AKAP3 8 serines of protein 20 The diagnostic of essence, present invention employs ROC curve analysis, AUC is the area under ROC curve, is the most frequently used evaluation ROC bent The parameter of line feature, is important experimental accuracy index.If AUC is below 0.7, then it represents that the accuracy rate of diagnosis is relatively low;AUC More than 0.7, then the requirement of clinical diagnosis can be met.
Fig. 1 is the ROC curve of the phosphorylation modification S+79.96685 detection frequencies on 8 serines of AKAP3 protein 20s, ROC analyses show that the AUC of this phosphorylation modification is 0.856>0.7, illustrate that there is preferable diagnosis effect, i.e. AKAP3 albumen Phosphorylation modification S+79.96685 on 208 serines can be as the diagnosis marker of the few weak essence of severe.
When it is 1.5 to check the frequency, sensitivity is 73%, and specificity is 88.9%.When individual detection is carried out, detection frequency It is secondary when being less than 1.5, it is judged to less weak smart patient (false positive rate is 11.1%).
Phosphorylation modification S+79.96685 detection frequencies in healthy and few weak smart sample on 8 serines of AKAP3 protein 20s Rate comparative result is shown in Fig. 2, as seen from Figure 2 this undoded amino acid in Healthy People sample average there occurs 4.6 times and Be there occurs in pathology sample 0.4 time (solid line in figure), and its median (dotted line in figure) difference is farther out, illustrates in weak essence less This undoded amino acid has and largely loses in sample.
In view of the above results, the phosphorylation modification S+79.96685 on 8 serines of AKAP3 protein 20s can be as weak less The potential source biomolecule mark of sperm disease, so as to be predicted to this illness.
6 asparagines of -113.05347 mass shifts of generation (being labeled as N-113.05347) of 2.AKAP4 protein 18s
By MASS SPECTRAL DATA ANALYSIS, it has been found that the asparagine of 186 of AKAP4 albumen has -113.05347 matter Amount skew (N-113.05347), finds that this undoded amino acid N-113.05347 shows in the few weak smart sample of severe by comparing Work property has lowered 9.2 times, and p value is 4.60E-13<0.05.
Fig. 3 is the ROC curve that 6 undoded amino acid N-113.05347 of AKAP4 protein 18s detect frequency, and ROC analyses are aobvious The AUC for showing this undoded amino acid N-113.05347 is 0.852>0.7, illustrate that there is preferable diagnosis effect.In inspection frequency Secondary when being 1.5, sensitivity is 65.1%, and specificity is 93.7%.When individual detection is carried out, when the detection frequency is less than 1.5, quilt It is judged to less weak smart patient (false positive rate is 6.3%).
Fig. 4 compares detection frequencies of the undoded amino acid N-113.05347 in healthy and few weak smart sample, it can be seen that This undoded amino acid averagely there occurs 2.9 times in Healthy People sample and 0.3 time there occurs in pathology sample (in figure in fact Line), and its median (dotted line in figure) difference is farther out, illustrates that this undoded amino acid has larger journey in weak smart sample less Lose on degree ground.
In view of the above results, the asparagine N-113.05347 in 186 sites of AKAP4 albumen this non-coding amino Acid can be as the potential source biomolecule mark of teen bra, so as to be predicted to this illness.
6 asparagines of -114.04278 mass shifts of generation (being labeled as N-114.04278) of 3.AKAP4 protein 18s
By MASS SPECTRAL DATA ANALYSIS, it has been found that the asparagine of 186 of AKAP4 albumen has -114.04278 matter Amount skew (N-114.04278), finds that this undoded amino acid N-114.04278 shows in the few weak smart sample of severe by comparing Work property has lowered 7.3 times, and p value is 1.11E-11<0.05.
Fig. 5 is the ROC curve that 6 undoded amino acid N-114.04278 of AKAP4 protein 18s detect frequency, and ROC analyses are aobvious The AUC for showing this undoded amino acid N-114.04278 is 0.817>0.7, illustrate that there is preferable diagnosis effect.In inspection frequency Secondary when being 0.5, sensitivity is 74.6%, and specificity is 84.1%.When individual detection is carried out, when the detection frequency is less than 0.5, quilt It is judged to less weak smart patient (false positive rate is 15.9%).
6 undoded amino acid N-114.04278 detections frequencies of AKAP4 protein 18s of healthy and few weak smart sample compare sees Fig. 6, as seen from Figure 6 this undoded amino acid in Healthy People sample it is average there occurs 1.6 times and in pathology sample There occurs 0.2 time (solid line in figure), and its median (dotted line in figure) difference is farther out, illustrates that this is non-in weak smart sample less Coded amino acid has largely to be lost.
In view of the above results, the asparagine N-114.04278 in 186 sites of AKAP4 albumen this non-coding amino Acid can be as the potential source biomolecule mark of teen bra, so as to be predicted to this illness.
617 glutamine of -17.02660 mass shifts of generation (being labeled as Q-17.02660) of 4.AKAP4 albumen
By MASS SPECTRAL DATA ANALYSIS, it has been found that the glutamine of 617 of AKAP4 albumen has -17.02660 quality Skew (Q-17.02660), finds this undoded amino acid Q-17.02660 in the few weak smart sample significance of severe by comparing 4.8 times are lowered, p value is 2.21E-09<0.05.
Fig. 7 is the ROC curve that 617 undoded amino acid Q-17.02660 of AKAP4 albumen detect frequency, and ROC analyses are aobvious The AUC for showing this undoded amino acid Q-17.02660 is 0.802>0.7, illustrate that there is preferable diagnosis effect.In inspection frequency Secondary when being 0.5, sensitivity is 77.8%, and specificity is 79.4%.When individual detection is carried out, when the detection frequency is less than 0.5, quilt It is judged to less weak smart patient (false positive rate is 20.6%).
617 undoded amino acid Q-17.02660 detections frequencies of AKAP4 albumen of healthy and few weak smart sample compare sees Fig. 8, as seen from Figure 8 this undoded amino acid in Healthy People sample it is average there occurs 2.7 times and in pathology sample There occurs 0.6 time (solid line in figure), and its median (dotted line in figure) difference is farther out, illustrates that this is non-in weak smart sample less Coded amino acid has largely to be lost.
In view of the above results, the glutamine Q-17.02660 in 617 sites of AKAP4 albumen this undoded amino acid can As the potential source biomolecule mark of teen bra, so as to be predicted to this illness.
733 lysines of+211.09682 mass shifts of generation (being labeled as K+211.09682) of 5.AKAP4 albumen
By MASS SPECTRAL DATA ANALYSIS, it has been found that the lysine of 733 of AKAP4 albumen has 211.09682 quality inclined Move (K+211.09682), find this undoded amino acid K+211.09682 in the few weak smart sample significance of severe by comparing 4.4 times are lowered, p value is 5.79E-11<0.05.
Fig. 9 is the ROC curve that 733 undoded amino acid K+211.09682 of AKAP4 albumen detect frequency, and ROC analyses are aobvious The AUC for showing this undoded amino acid K+211.09682 is 0.804>0.7, illustrate that there is preferable diagnosis effect.In inspection frequency Secondary when being 3.5, sensitivity is 74.6%, and specificity is 71.4%.When individual detection is carried out, when the detection frequency is less than 3.5, quilt It is judged to less weak smart patient (false positive rate is 28.6%).
The undoded amino acid K+211.09682 detections frequency of healthy and few weak smart sample compares sees Figure 10, can by Figure 10 3 (figures are there occurs in pathology sample to find out this undoded amino acid averagely to be there occurs 14 times in Healthy People sample Middle solid line), and its median (dotted line in figure) difference is farther out, illustrate in weak smart sample less this undoded amino acid have compared with Lose on big degree ground.
In view of the above results, the lysine K+211.09682 in 733 sites of AKAP4 albumen this undoded amino acid can As the potential source biomolecule mark of teen bra, so as to be predicted to this illness.
1 lysine of+42.01108 mass shifts of generation of 6.ATP5A1 protein 53s
By MASS SPECTRAL DATA ANALYSIS, it has been found that there occurs acetylation modification K+ on 1 lysine of ATP5A1 protein 53s 42.01108, find that this acetylation modification has lowered 10.5 times in the few weak smart sample significance of severe by comparing, p value is 3.48E-16<0.05。
Figure 11 is the ROC curve that 1 lysine acetylation modification K+42.01108 of ATP5A1 protein 53s detects frequency, ROC Analysis shows that the AUC of this acetylation modification is 0.848>0.7, illustrate that there is preferable diagnosis effect.It is 0.5 in the inspection frequency When, sensitivity is 76.2%, and specificity is 85.7%.When individual detection is carried out, when the detection frequency is less than 0.5, it is judged to few Weak smart patient (false positive rate is 14.3%).
1 lysine acetylation modification K+42.01108 detection frequency ratio of ATP5A1 protein 53s of healthy and few weak smart sample Relatively see Figure 12, it can be seen that this undoded amino acid in Healthy People sample it is average there occurs 1.7 times and in pathology sample There occurs 0.2 time (solid line in figure), and its median (dotted line in figure) difference is farther out, illustrates that this is non-in weak smart sample less Coded amino acid has largely to be lost.
In view of the above results, the acetylation modification K+42.01108 on 1 lysine of ATP5A1 protein 53s can be as few The potential source biomolecule mark of asthénospermie, so as to be predicted to this illness.
87 lysines of+42.01108 mass shifts of generation (being labeled as K+42.01108) of 7.COX4I1 albumen
By MASS SPECTRAL DATA ANALYSIS, it has been found that there occurs acetylation modification K+ on 87 lysines of COX4I1 albumen 42.01108, find that this acetylation modification has lowered 11.3 times in the few weak smart sample significance of severe by comparing, p value is 5.06E-13<0.05。
Figure 13 is the ROC curve that 87 lysine acetylation modification K+42.01108 of COX4I1 albumen detect frequency, ROC points Analysis shows that the AUC of this acetylation modification is 0.803>0.7, illustrate that there is preferable diagnosis effect.It is 0.5 in the inspection frequency When, sensitivity is 66.7%, and specificity is 95.2%.When individual detection is carried out, when the detection frequency is less than 0.5, it is judged to few Weak smart patient (false positive rate is 4.8%).
Figure 14 is 87 lysine acetylation modification K+42.01108 detections of COX4I1 albumen of healthy and few weak smart sample Frequency compares, as seen from Figure 14 this undoded amino acid in Healthy People sample it is average there occurs 1.1 times and in pathology Be there occurs in sample 0.1 time (solid line in figure), and its median (dotted line in figure) difference is farther out, illustrates in weak smart sample less This undoded amino acid has largely to be lost.
In view of the above results, the acetylation modification K+42.01108 on 87 lysines of COX4I1 albumen can be as weak less The potential source biomolecule mark of sperm disease, so as to be predicted to this illness.
64 threonines of+79.96685 mass shifts of generation (being labeled as T+79.96685) of 8.GAPDHS albumen
By MASS SPECTRAL DATA ANALYSIS, it has been found that there occurs phosphorylation modification T+ on 64 threonines of GAPDHS albumen 79.96685, find that this phosphorylation modification has lowered 4.1 times in the few weak smart sample significance of severe by comparing, p value is 1.82E-14<0.05。
Figure 15 is the ROC curve of the phosphorylation modification T+79.96685 detection frequencies on 64 threonines of GAPDHS albumen, ROC analyses show that the AUC of this phosphorylation modification is 0.868>0.7, illustrate that there is preferable diagnosis effect.It is in the inspection frequency When 3.5, sensitivity is 71.4%, and specificity is 92.1%.When individual detection is carried out, when the detection frequency is less than 3.5, it is judged to Few weak smart patient (false positive rate is 7.9%).
Figure 16 is the phosphorylation modification T+79.96685 on 64 threonines of GAPDHS albumen in healthy and few weak smart sample Detection frequency compares, as seen from Figure 16 this undoded amino acid in Healthy People sample average there occurs 5.8 times and Be there occurs in pathology sample 1.4 times (solid line in figure), and its median (dotted line in figure) difference is farther out, illustrates in weak smart sample less This undoded amino acid has and largely loses in this.
In view of the above results, the phosphorylation modification T+79.96685 on 64 threonines of GAPDHS albumen can be as weak less The potential source biomolecule mark of sperm disease, so as to be predicted to this illness.
2 serines of+79.96685 mass shifts of generation (being labeled as S+79.96685) of 9.KIAA1683 protein 69s
By MASS SPECTRAL DATA ANALYSIS, it has been found that there occurs phosphorylation modification S+ on 2 serines of KIAA1683 protein 69s 79.96685, find that this phosphorylation modification has lowered 22 times in the few weak smart sample significance of severe by comparing, p value is 2.73E-10<0.05。
Figure 17 is the ROC curve that 2 serine phosphorylation modification S+79.96685 of KIAA1683 protein 69s detect frequency, ROC analyses show that the AUC of this phosphorylation modification is 0.808>0.7, illustrate that there is preferable diagnosis effect.It is in the inspection frequency When 0.5, sensitivity is 65.1%, and specificity is 95.2%.When individual detection is carried out, when the detection frequency is less than 0.5, it is judged to Few weak smart patient (false positive rate is 4.8%).
Figure 18 is 2 serine phosphorylation modification S+79.96685 inspections of KIAA1683 protein 69s in healthy and few weak smart sample Measured frequency compares, as seen from Figure 18 this undoded amino acid in Healthy People sample it is average there occurs 2.1 times and in disease Be there occurs 0.1 time (solid line in figure) in reason sample, and its median (dotted line in figure) difference is farther out, illustrates in weak smart sample less In this undoded amino acid have and largely lose.
In view of the above results, phosphorylation modification S+79.96685 on 2 serines of KIAA1683 protein 69s can be as The potential source biomolecule mark of teen bra, so as to be predicted to this illness.
Embodiment 2:Clinical detection is verified
Verified as research object using the few weak smart sample of severe of 4 healthy samples, 8 clinical definites, respectively Detect the serines of+79.96685 mass shifts of generation of AKAP3 protein 20s 8 of above-mentioned sample, AKAP4 protein 18s 6 occur- The asparagine of 113.05347 mass shifts, 6 aspartoyls of -114.04278 mass shifts of generation of AKAP4 protein 18s Amine, 617 glutamine of -17.02660 mass shifts of generation of AKAP4 albumen, 733, AKAP4 albumen occur+211.09682 The lysine of mass shift, ATP5A1 protein 53s 1 lysine, 87, the COX4I1 albumen of+42.01108 mass shifts of generation Occur the lysine of+42.01108 mass shifts, the threonines of 64+79.96685 mass shifts of generation of GAPDHS albumen and 2 respective detection frequencys of serine of+79.96685 mass shifts of generation of KIAA1683 protein 69s, and by each in embodiment 1 Criterion when biomarker carries out individual detection is diagnosed to sample to be tested.
Result shows:When individually being diagnosed with above-mentioned each biomarker respectively, diagnostic result is consistent with known results. Illustrate that 9 biomarkers that present invention screening is obtained can be respectively as the diagnosis marker of the few weak essence of severe.
The preferred embodiment of the application is the foregoing is only, the application is not limited to, for the skill of this area For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair Change, equivalent, improvement etc., should be included within the protection domain of the application.

Claims (4)

1 lysine of+42.01108 mass shifts of generation of 1.ATP5A1 protein 53s is few in preparation severe as biomarker Purposes in the diagnostic reagent of weak essence.
1 lysine of+42.01108 mass shifts of generation of 2.ATP5A1 protein 53s is few in preparation severe as biomarker Purposes in the medicine of weak essence.
3. it is a kind of for the few weak smart kit for diagnosing of severe, it is characterised in that the kit includes that specific detection is weighed Profit requires the reagent of the biomarker described in 1 or 2.
4. it is a kind of to treat the few weak smart medicine of severe, it is characterised in that containing in the medicine can make ATP5A1 protein 53s 1 Lysine carries out the component of acetylation modification.
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CN110514837A (en) * 2018-05-21 2019-11-29 山东大学 Application of 3 S+79.967 of AKAP3 protein 20 in the few weak smart diagnostic reagent of preparation severe
CN110514840A (en) * 2018-05-21 2019-11-29 山东大学 Application of 1 C-33.987 of SPACA1 protein 12 in the few weak smart diagnostic reagent of preparation severe
CN110514750A (en) * 2018-05-21 2019-11-29 山东大学 Application of 385 C-33.987 of ACRBP albumen in the few weak smart diagnostic reagent of preparation severe
CN110514836A (en) * 2018-05-21 2019-11-29 山东大学 Application of 138 C-33.987 of SPACA1 albumen in the few weak smart diagnostic reagent of preparation severe
CN110514835A (en) * 2018-05-21 2019-11-29 山东大学 Application of 385 C+47.985 of ACRBP albumen in the few weak smart diagnostic reagent of preparation severe
CN110514834A (en) * 2018-05-21 2019-11-29 山东大学 Application of 1 K+42.011 of ATP5A1 protein 53 in the few weak smart diagnostic reagent of preparation severe
CN110514838A (en) * 2018-05-21 2019-11-29 山东大学 Purposes of 4 N+22.968 of AKAP4 protein 18 in the few weak smart diagnostic reagent of preparation severe
CN110514833B (en) * 2018-05-21 2020-06-19 山东大学 Application of PDHB protein 244-position R +390.202 in preparation of severe oligozoospermia diagnostic reagent
CN110514836B (en) * 2018-05-21 2020-06-23 山东大学 Application of SPACA1 protein 138-position C-33.987 in preparation of severe oligospermia diagnostic reagent
CN110514840B (en) * 2018-05-21 2020-06-23 山东大学 Application of SPACA1 protein 121-position C-33.987 in preparation of severe oligospermia diagnostic reagent
CN110514835B (en) * 2018-05-21 2020-06-23 山东大学 Application of C +47.985 at position 385 of ACRBP protein in preparation of severe oligozoospermia diagnostic reagent
CN110514750B (en) * 2018-05-21 2020-09-11 山东大学 Application of C-33.987 at position 385 of ACRBP protein in preparation of diagnostic reagent for severe oligozoospermia

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