CN106432334A - Mitochondria fluorescent probe with double fluorescence emission as well as preparation method and application thereof - Google Patents

Mitochondria fluorescent probe with double fluorescence emission as well as preparation method and application thereof Download PDF

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CN106432334A
CN106432334A CN201610827552.9A CN201610827552A CN106432334A CN 106432334 A CN106432334 A CN 106432334A CN 201610827552 A CN201610827552 A CN 201610827552A CN 106432334 A CN106432334 A CN 106432334A
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mitochondria
fluorescent probe
fluorescence probe
fluorescent emission
double fluorescent
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CN106432334B (en
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李高参
王云兵
杨立
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Sichuan University
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02Phosphorus compounds
    • C07F9/28Phosphorus compounds with one or more P—C bonds
    • C07F9/54Quaternary phosphonium compounds
    • C07F9/5456Arylalkanephosphonium compounds
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K9/00Tenebrescent materials, i.e. materials for which the range of wavelengths for energy absorption is changed as a result of excitation by some form of energy
    • C09K9/02Organic tenebrescent materials
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64Fluorescence; Phosphorescence
    • G01N21/6486Measuring fluorescence of biological material, e.g. DNA, RNA, cells
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2211/00Chemical nature of organic luminescent or tenebrescent compounds
    • C09K2211/10Non-macromolecular compounds
    • C09K2211/1003Carbocyclic compounds
    • C09K2211/1011Condensed systems

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Abstract

The invention discloses a mitochondria fluorescent probe as well as a preparation method and application thereof, belonging to the field of functional materials. The mitochondria fluorescent probe has a double fluorescence emission function and is a quaternary phosphonate compound with a structural formula shown by formula I. In the formula I, R is alkyl or aryl, and the anion X is halogen ion. The fluorescent probe disclosed by the invention has very efficient mitochondria specificity recognition ability, and the fluorescent probe molecule presents a double fluorescence emission phenomenon under the excitation of different lights so as to realize precise double fluorescence labeling of mitochondria. In the invention, the fluorescent probe molecule also has excellent light stability, experiences relatively little influence of the charge change on the mitochondria surface, and can realize real-time tracking of the mitochondria distribution and form in a living cell. Moreover, the mitochondria fluorescent probe disclosed by the invention has the advantages of high water solubility, simple synthesis path, simple after-treatment, batch production, relatively low cost and the like and shows a broad market prospect.

Description

There is mitochondria fluorescence probe of double fluorescent emission and its preparation method and application
Technical field
The invention belongs to field of functional materials, particularly to a kind of mitochondria fluorescence probe with double fluorescent emission and its Preparation method and application.
Technical background
Organelle plays extremely important effect in the functional expression and disease progression of normal cell.Line grain Body is a kind of important eukaryotic device, is the important place that cell carries out aerobic respiration.Mitochondria is except to cell supplying energy Outward, it also take part in cellular informatics transmission, cell differentiation, Apoptosis and the physiology mistake such as regulating cell growth and cell cycle Journey.Therefore, development one class is come to mitochondria specificity fluorescent probe, regarding track mitochondria form in the cell and distribution, will help Study some important cellular physiological processes in us.
Imaging-PAM has high room and time distinguishing because of it, has been widely used for various physiology courses at present Monitoring, develop new mitochondria fluorescence probe also receive highest attention.Presently commercially available mitochondria fluorescence probe species is relatively Few, costly, photostability need to improve further price.In recent years, there are some new mitochondria fluorescence probes in succession It is reported, but the shortcomings of the mitochondria fluorescence probe still generally existing complex structure reported, synthesis difficulty.Additionally, having double The mitochondria fluorescence probe of weight fluorescent emission performance just can carry out Dual positioning to mitochondria, reduces the interference of background fluorescence, Selectivity such that it is able to make probe is higher, and positioning is more accurate.Presently commercially available and document report mitochondria fluorescence probe is general For the molecular probe of substance fluorescent emission, thus, it is badly in need of the mitochondria fluorescence probe that exploitation one class has double fluorescent transmitting.
Season, phosphonium salt structure was the very important Mitochondrially targeted site of a class, by having to having excellent fluorescence property Fluorogen carries out the modification of season phosphonium salt structure, just can prepare efficiently, in bulk and a series of have excellent mitochondria recognition capability Mitochondria fluorescence probe with excellent fluorescence property.
Content of the invention
It is an object of the invention to provide a kind of have mitochondria fluorescence probe of double fluorescent emission and preparation method thereof and Application.Mitochondria fluorescence probe of the present invention is season phosphonium salt type molecular probe, and its molecular structure includes base fluorescence skeleton With the season phosphonium salt group with mitochondria recognition performance, wherein fluorescence skeleton is connected by methylene group with season phosphonium salt group.
The present invention is achieved through the following technical solutions:
A kind of mitochondria fluorescence probe with double fluorescent emission, wherein play major function season phosphonium salt compound molecule knot Structure is shown in formula I:
……………………………………(Formulas I)
Wherein, wherein R1, R2, R3Stand alone as alkyl or aryl;Anion X is halide ion.
Preferably, R in described structural formula1, R2, R3Stand alone as C1-C8Alkyl or phenyl.Further it is preferably R1= R2=R3=butyl.
Preferably, the preferred bromide ion of anion X or chlorion, further preferred bromide ion in described structural formula.
One of most preferred configuration of mitochondria fluorescence probe with double fluorescent transmitting of the present invention is tributyl (3- benzyl)Phosphonium bromide.
Present invention also offers a kind of preparation method of described season phosphonium salt type organic molecule piezochromic material, pass through Benzylic halides and three replacement phosphine compounds react and are obtained, and it is as follows that it prepares reaction equation:
Specifically include following steps:
A, benzylalcohol and thionyl chloride or phosphorus tribromide are reacted under -10-80 C 0.5-24 hour generate corresponding benzyl Halide;
B, by the benzylic halides of gained and three replacement phosphine compounds in a solvent, under room temperature to 120 C, reaction 2-24 is little When can get target compound;
Preferably, in step a, benzylalcohol compound is 1 with the mol ratio of thionyl chloride or phosphorus tribromide:1~1:4;Used anti- Answer solvent to be toluene, any one in oxolane, dichloromethane, chloroform, carbon tetrachloride.
Preferably, in step b, the mol ratio of benzylic halides and three replacement phosphine compounds is 1:0.5~1:3;Used Reaction dissolvent is methyl alcohol, ethanol, acetone, ethyl acetate, DMF, dimethyl sulfoxide, any one in acetonitrile, Ethyl acetate.
The preparation of mitochondria fluorescence probe of the present invention has the advantages of synthesis is simple and direct, and post processing is simple.
The present invention also provides above-mentioned mitochondria fluorescence probe that the mitochondrial mark in living cells and Mitochondrial Shape are regarded The application of track.Described living cells is MG63 cell line, HUVEC cell line, HepG2 cell line and Hela cell line etc..
All features disclosed in this specification, or disclosed all methods or during step, except mutually exclusive Feature and/or step beyond, all can combine by any way.
Beneficial effects of the present invention:
Heretofore described fluorescence probe has very efficient mitochondria specific recognition capability, and fluorescent probe molecule is not Double fluorescent emission phenomena is presented under the exciting shared the same light, it is achieved thereby that mitochondria accurately double fluorescent mark.The present invention Described in fluorescent probe molecule also there is excellent photostability, changed by mitochondrial surface electric charge affected less, can Realize the distribution of living cells Mitochondria and form regards track in real time.Additionally, the serial mitochondria fluorescence probe that the present invention provides has Good water solubility, synthetic route are simple and direct, post processing is simple, can produce in batches, the more low advantage of cost, show wide market Prospect.
Brief description:
Fig. 1:Tributyl(3- benzyl)The hydrogen spectrogram of phosphonium bromide.
Fig. 2:MG63 cell and tributyl(3- benzyl)Phosphonium bromide(3.0 μM)Co-culture the confocal fluorescent photograph of 1 hour Piece:(a)405 nm light excitated blue fluorescence;(b)488 nm light excite green fluorescence;(c)Photograph via bright field.
Fig. 3:MG63 cell and tributyl(3- benzyl)Phosphonium bromide(3.0 μM)With commercially available mitochondria fluorescence probe Mito- The confocal fluorescent photo that Tracker Red FM contaminates altogether:(a)Tributyl(3- benzyl)Phosphonium bromide(3.0 μM, 1 h), 405 Nm light excitated blue fluorescence;(b)Tributyl(3- benzyl)Phosphonium bromide(3.0 μM, 1 h), 488 nm light excite green fluorescence; (c)Mito-Tracker Red FM, the excitated red fluorescence of 552 nm light;(d)Stacking chart's fluorescence of figure a and figure c is in purple;(e) Stacking chart's fluorescence of figure b and figure c is in yellow green;(f)Send out photograph via bright field.
Specific embodiment:
Specific embodiment by the following examples is described in further detail to the above of the present invention again.Should manage Solution, instantiation described herein only in order to explain the present invention, is not intended to limit the present invention.Without departing from the present invention's Any modification made within spirit and principle, and the equivalent made according to ordinary skill knowledge and customary means Or improve, all should include within the scope of the present invention.
Embodiment 1:The synthesis of intermediate benzyl bromine
At room temperature, by phosphorus tribromide(0.49 g)Add benzylalcohol(0.42 g)Carbon tetrachloride(50 mL)In solution.Heat up To flowing back, reaction stopped reaction after 2 hours.After removing carbon tetrachloride, gained solid is through methyl alcohol(40 mL)Washing, suction filtration and true Sky obtains orange object benzyl bromine after being dried(0.37 g, 73%).
Embodiment 2:The synthesis of intermediate benzyl chloride
At room temperature, by thionyl chloride(0.4 mL)Add benzylalcohol(The toluene of 0.3 g(9 mL)In solution.Continue reaction 24 After hour, stop reaction.Decompression removes excessive thionyl chloride, and residue obtains target after water washing, suction filtration and vacuum drying Thing is light yellow solid(0.31 g, 97%).
Embodiment 3:Object tributyl(3- benzyl)The synthesis of phosphonium bromide
Under nitrogen, by benzyl bromine(0.69 g), tributylphosphine(0.75 mL)And ethyl acetate(15 mL)Add in reaction bulb. It is warming up to reaction under 80 C and stop reaction after 8 hours.Suction filtration, solid with ethyl acetate washs to obtain target compound tributyl(3- Pyrene benzyl)Phosphonium bromide is yellow solid(0.90 g, 82%).
Embodiment 4:Object tributyl(3- benzyl)The synthesis of phosphorus chloride
In embodiment 3 benzyl bromine is changed into benzyl chloride and successfully prepare tributyl(3- benzyl)Phosphorus chloride.
Embodiment 5:
In embodiment 1-4, benzylalcohol is changed into pyrene benzylalcohol and tributyl is obtained respectively(3- pyrene benzyl)Phosphonium bromide and tributyl(3- Pyrene benzyl)Phosphorus chloride.
Embodiment 6:Object tributyl(3- benzyl)Phosphonium bromide and the co-cultivation of MG63 cell
First, MG63 cell is cultivated 24 hours under 37 C.Subsequently, remove culture medium, add compound tributyl(3- Benzyl)Phosphonium bromide(3 μM)DMEM solution, co-culture 1 hour.Washed after three times with DMEM, seen with confocal microscope Examine and obtain Fig. 2.
Exciting light in Fig. 2 a is 405 nanometers;Exciting light in Fig. 2 b is 488 nanometers. compound three as can be seen from Figure 2 Butyl(3- benzyl)Phosphonium bromide can be successfully entered cell and be mainly distributed in cytoplasm.Additionally, Fig. 2 also clearly shows that, Compound tributyl(3- benzyl)Phosphonium bromide presents double fluorescent emission phenomena in the cell.
Embodiment 7:Object tributyl(3- benzyl)Phosphonium bromide and commercially available mitochondrial dye Mitotracker Red FM common location is analyzed
First, MG63 cell is cultivated 24 hours under 37 C.Subsequently, remove culture medium, add compound tributyl(3- Benzyl)Phosphonium bromide(3 μM)DMEM solution, co-culture 1 hour.After being washed with DMEM, add 0.5 μM of commercially available mitochondria dye Material Mitotracker Red FM, continues culture 0.5 hour.Washed after three times with DMEM, observed with confocal microscope Obtain Fig. 3.
Exciting light in Fig. 3 a is 405 nanometers;Exciting light in Fig. 3 b is 488 nanometers;Exciting light in Fig. 3 c is received for 522 Rice.Can be seen that compound tributyl from stacking chart 3d and 3e(3- benzyl)The pigmented section of phosphonium bromide and commercially available mitochondria dye The pigmented section of material Mitotracker Red FM is basically identical, and compound tributyl is described(3- benzyl)Phosphonium bromide has non- Often good mitochondria regards track ability.
Embodiment 8:
In preparation method described in embodiment 1-7, it is respectively adopted C1-C8Alkylphosphines or Phenylphosphine replace tributylphosphine.Success A series of mitochondria fluorescence probes with double fluorescent transmitting have been obtained.Wherein comprehensive with the product of preparation in embodiment 3 Can be best.
Embodiment 9:
In preparation method described in embodiment 1 or 4, adjustment relevant parameter carries out serial experiment:
Select -10 DEG C, 0 DEG C, 40 DEG C, 60 DEG C, 80 DEG C of replacement room temperature reactions respectively in step a, the reaction time controls in 0.5- 24 hours;Benzylalcohol compound is controlled to be 1 with the mol ratio of phosphorus tribromide respectively:1、1:2 and 1:4;It is respectively adopted toluene, dichloro Methane, chloroform, carbon tetrachloride replace oxolane.
20 DEG C, 50 DEG C, 120 DEG C are selected to replace 80 DEG C of reactions in stepb respectively, the reaction time controls in 2-24 hour; The mol ratio of control Benzyl halides compound and three replacement phosphine compounds is 1 respectively:0.5、1:1 and 1:3;Be respectively adopted methyl alcohol, Ethanol, acetone, N,N-dimethylformamide, dimethyl sulfoxide, acetonitrile replace ethyl acetate.
By experiment parameter screening find above-mentioned each under the conditions of all can successfully prepare the mitochondria with double fluorescent transmitting Fluorescence probe, but still be optimal with the design parameter described in embodiment 3.
Comparative example 1:
With reference to embodiment 6 and 7 methods describeds, it is respectively adopted embodiment 5 and prepares tributyl(3- pyrene benzyl)Phosphonium bromide and tributyl (3- pyrene benzyl)Phosphorus chloride replaces tributyl(3- benzyl)Phosphonium bromide is marked experiment, gained in result display embodiment 5 Although product also shows that certain double fluorescent emission effects, the resultant effect such as its luminous intensity is substantially not so good as institute in the present invention State the season phosphine salt type compound using benzyl as skeleton.
The foregoing is only the preferred embodiments of the present invention, for the purpose of the present invention, be merely illustrative, and non-limiting 's;Those of ordinary skill in the art understand, in patent requirements limited range of the present invention, it can be carried out many changes, Modification, or even equivalent change, but fall within protection scope of the present invention.

Claims (10)

1. a kind of mitochondria fluorescence probe with double fluorescent emission it is characterised in that containing molecular structure season shown in formula I Phosphine salt compounds:
……………………………………(Formulas I)
Wherein R1, R2, R3Stand alone as alkyl or aryl;Anion X is halide ion.
2. the mitochondria fluorescence probe with double fluorescent emission according to claim 1 is it is characterised in that described structural formula Middle R1, R2, R3Stand alone as C1-C8Alkyl or phenyl.
3. the mitochondria fluorescence probe with double fluorescent emission according to claim 1 is it is characterised in that described structural formula Middle R1=R2=R3=butyl.
4. the mitochondria fluorescence probe with double fluorescent emission according to claim 1 is it is characterised in that described structural formula Middle anion X is bromide ion or chlorion.
5. the mitochondria fluorescence probe with double fluorescent emission according to claim 1 is it is characterised in that described season phosphonium salt Class compound is specially tributyl(3- benzyl)Phosphonium bromide.
6. the mitochondria fluorescence probe with double fluorescent emission described in a kind of claim 1 preparation method it is characterised in that Specifically include following steps:
A, benzylalcohol and thionyl chloride or phosphorus tribromide are reacted under -10-80 C 0.5-24 hour generate corresponding benzyl Halide;
B, by the benzylic halides of gained and three replacement phosphine compounds in a solvent, under room temperature to 120 C, reaction 2-24 is little When can get target compound.
7. preparation method according to claim 6 is it is characterised in that in step a, benzylalcohol compound and thionyl chloride or The mol ratio of phosphorus tribromide is 1:1~1:4;Reaction dissolvent used is toluene, oxolane, dichloromethane, chloroform, carbon tetrachloride In any one.
8. preparation method according to claim 6 is it is characterised in that in step b, benzylic halides and three replacement phosphines The mol ratio of compound is 1:0.5~1:3;Reaction dissolvent used is methyl alcohol, ethanol, acetone, ethyl acetate, N, N- dimethyl formyl Any one in amine, dimethyl sulfoxide, acetonitrile.
9. the mitochondria fluorescence probe with double fluorescent emission described in a kind of claim 1 application it is characterised in that by its For track is regarded to the mitochondrial mark in living cells and Mitochondrial Shape.
10. according to claim 9 application it is characterised in that described living cells be MG63 cell line, HUVEC cell line, At least one in HepG2 cell line and Hela cell line.
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108444962A (en) * 2018-03-05 2018-08-24 北京化工大学 It is a kind of based on formaldehyde colorimetric probe and formaldehyde fluorescent test paper, preparation method and application method
CN109627264A (en) * 2018-08-21 2019-04-16 河北大学 Targetted mitochondria acid anhydride fluorescence probe and its synthetic method and application
CN111956610A (en) * 2020-07-21 2020-11-20 四川大学 Drug-loading system for diagnosis and treatment of atherosclerosis and preparation method thereof

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108444962A (en) * 2018-03-05 2018-08-24 北京化工大学 It is a kind of based on formaldehyde colorimetric probe and formaldehyde fluorescent test paper, preparation method and application method
CN108444962B (en) * 2018-03-05 2021-01-12 北京化工大学 Perylene-based formaldehyde colorimetric probe and formaldehyde fluorescent test paper, and preparation method and use method thereof
CN109627264A (en) * 2018-08-21 2019-04-16 河北大学 Targetted mitochondria acid anhydride fluorescence probe and its synthetic method and application
CN109627264B (en) * 2018-08-21 2021-01-05 河北大学 Target mitochondrial perylene anhydride fluorescent probe and synthetic method and application thereof
CN111956610A (en) * 2020-07-21 2020-11-20 四川大学 Drug-loading system for diagnosis and treatment of atherosclerosis and preparation method thereof
CN111956610B (en) * 2020-07-21 2021-11-30 四川大学 Drug-loading system for treating atherosclerosis and preparation method thereof

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