CN113476472A - 一种用于缓解肠道紊乱的益生元组合物 - Google Patents
一种用于缓解肠道紊乱的益生元组合物 Download PDFInfo
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- CN113476472A CN113476472A CN202110831275.XA CN202110831275A CN113476472A CN 113476472 A CN113476472 A CN 113476472A CN 202110831275 A CN202110831275 A CN 202110831275A CN 113476472 A CN113476472 A CN 113476472A
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Abstract
本发明涉及益生元的组合物,具体的说是一种用于修复、缓解哺乳动物由于阿奇霉素或头孢克肟抗生素使用导致肠道紊乱的症状的益生元组合物。组合物为褐藻寡糖、菊粉、抗性淀粉和乳果糖中的一种或几种。本发明组合物适用于哺乳动物的组合物,以缓解由于抗生素引起的肠道紊乱,该组合物通过调配剂量,对抗生素诱导的肠道紊乱的调节效果较单一糖类更佳;进而使得组合物能够增强针对特异性肠道微生物紊乱缓解的效果,具有恢复肠道健康,改善免疫***,增强肠道舒适度等作用。
Description
技术领域
本发明涉及益生元的组合物,具体的说是一种用于修复、缓解哺乳动物由于阿奇霉素或头孢克肟抗生素使用导致肠道紊乱的症状的益生元组合物。
背景技术
益生元是一种常见的膳食补充剂,在啮齿动物和人类研究中已被证明可以影响肠道健康益生元在肠道中不被宿主吸收,由肠道细菌发酵,刺激特定微生物类群的生长,产生如短链脂肪酸等代谢物,对宿主有改善代谢,调节免疫,修复肠道屏壁等积极作用。
肠道微生物群是一个复杂的微生物生态***,肠道内的稳态对宿主健康至关重要。同时引起不同程度肠道微生物紊乱的因素有多种,抗生素是影响肠道微生物的因素之一,许多研究证明即使通过短期或低剂量的抗生素治疗,可能会降低肠道微生物物种丰富度和生物多样性,导致某一微生物物种消失,并且这种变化可能对健康产生长期影响,如增加结直肠息肉风险,肠道微生物产生耐药性,促进炎症等。阿奇霉素是一种大环内酯类抗生素,被用来治疗细菌感染,头孢克肟是一种第三代头孢菌素抗生素,通常用于治疗淋病、扁桃腺炎和咽炎,但是滥用也有可能引起腹泻、恶心、腹痛、稀便、呕吐等反应,造成肠道菌群紊乱,对人体带来负面影响。
避免抗生素治疗引起的肠道微生物失调,可采用益生菌、益生元、粪菌移植等方法。例如,Elinav等最近发现,某些益生菌的使用,自体粪便移植有助于恢复微生物组。为施用阿莫西林的3-6岁健康儿童提供菊粉发现,菊粉选择性的改善了肠道菌群组成,恢复了抗生素治疗降低的双歧杆菌丰度,减轻了抗生素对肠道微生物组成造成的干扰。但由于单一来源的糖类缓解效果往往较弱,同时其也仅是对某种特定抗生素存在效果,因此需要提供一种更全面的即本发明的组合物。
发明内容
本发明目的在于提供一种用于修复、缓解哺乳动物由于抗生素阿奇霉素或头孢克肟使用导致肠道紊乱的症状的益生元组合物。
为实现上述目的,本发明采用技术方案为:
一种用于缓解抗生素使用导致肠道紊乱的益生元组合物,组合物为褐藻寡糖、菊粉、抗性淀粉和乳果糖中的一种或几种。
组合物为褐藻寡糖、菊粉、抗性淀粉和乳果糖中至少两种多糖的混合。
所述组合物为两种多糖时,按质量比为20-80:10-30混合;
所述组合物为三种多糖时,按质量比为20-50:20-50:10-30混合;
所述组合物为四种多糖时,按质量比为20-40:20-40:10-20:10-20混合。
所述褐藻寡糖为聚合度1-4。
所述抗生素为阿奇霉素或头孢克肟。
一种益生元组合物的应用,所述组合物在制备用于缓解抗生素使用导致肠道紊乱的益生元中的应用。
所述组合物在制备用于缓解抗生素使用导致肠道微生物紊乱的益生元中的应用。
一种缓解阿奇霉素或头孢克肟干扰肠道紊乱症状的方法,所述方法包括向受试者给予有效剂量的所述益生元组合物。
将有效剂量的权利要求1所述益生元组合物连续或间歇向受试者给予;其中,有效剂量为2g/kg/d-15g/kg/d。
本发明所具有的优点:
本发明组合物适用于哺乳动物的组合物,以缓解由于抗生素引起的肠道紊乱,该组合物通过调配剂量,对抗生素诱导的肠道紊乱的调节效果较单一糖类更佳;进而使得组合物能够增强针对特异性肠道微生物紊乱缓解的效果,具有恢复肠道健康,改善免疫***,增强肠道舒适度等作用。
附图说明
图1为本发明实施例提供的阿奇霉素及不同组合物(即,AZ1:阿奇霉素干预组,AZ2:阿奇霉素干预+褐藻寡糖添加组,AZ3:阿奇霉素干预+组合物添加组)添加后属水平肠道微生物变化图。
图2为本发明实施例提供的头孢克肟及不同组合物(即,NC:对照组,AZ1:头孢克肟干预组,AZ2:头孢克肟干预+褐藻寡糖添加组,AZ3:头孢克肟干预+组合物添加组)添加后属水平肠道微生物变化图。
图3为本发明实施例提供的阿奇霉素及不同组合物(即,AZ1:阿奇霉素干预组,AZ2:阿奇霉素干预+褐藻寡糖添加组,AZ3:阿奇霉素干预+组合物添加组)添加后粪便代谢物变化图。
具体实施方式
本发明实施例中所使用的方法无特殊说明均为本领域常规方法。本发明实施例中所使用的物料均可通过商业途径获得。
实施例1
一种用于缓解阿奇霉素使用导致肠道紊乱的益生元为褐藻寡糖。
实施例2
一种用于缓解阿奇霉素使用导致肠道紊乱的益生元组合物,其由如下组分混合而成:褐藻寡糖和菊粉。褐藻寡糖在组合物种的重量份为50份,菊粉在组合物中的重量份为50份。
实施例3
一种用于缓解阿奇霉素使用导致肠道紊乱的益生元组合物,其由如下组分混合而成:褐藻寡糖、菊粉和抗性淀粉。褐藻寡糖在组合物种的重量份为40份,菊粉在组合物中的重量份为40份,抗性淀粉在组合物中的重量份为20份。
实施例4
一种用于缓解头孢克肟使用导致肠道紊乱的益生元组合物,其由如下组分混合而成:褐藻寡糖、菊粉、抗性淀粉和乳果糖。褐藻寡糖在组合物种的重量份为37.5份,菊粉在组合物中的重量份为37.5份,抗性淀粉在组合物中的重量份为12.5份,乳果糖在组合中的重量份为12.5份。
应用例
实验方法
选取77只六周龄SPF级C57BL/6J小鼠,正常饲料饲喂一周后,随机分组,对照组(NC组),阿奇霉素组(仅阿奇霉素干预,AZ1),褐藻寡糖组(阿奇霉素+褐藻寡糖干预,AZ2),益生元组合物组(阿奇霉素+实施例4组合物干预AZ3)。头孢克肟组(仅头孢克肟干预CEF4),褐藻寡糖组(头孢克肟+褐藻寡糖干预CEF5),益生元组合物组(头孢克肟+实施例4组合物干预CEF6);小鼠饲喂于25℃,湿度50%的可控环境中,光照黑暗周期均为12 h,期间自由饮食及饮水。实验组0-7 d均在饮用水中添加上述各干预物质,即,每组中抗生素添加量为10 g/kg/d,组合物或褐藻寡糖中添加量为3.75 g/kg/d,对照组为正常饮水。干预周期为15天。
在干预期结束收集小鼠的粪便,对其获得粪便进行评价参见表1,干预结束后,处死小鼠,并对小鼠的粪便进行微生物组和代谢组分析(参见图1、图2和图3)。
表1 添加糖类后各组小鼠粪便评分表
注:粪便形态评分,a 正常,b 便软,c 便血。
由上述表1可见在糖类物质添加一周后收集粪便发现,抗生素诱导后无褐藻寡糖和组合物干预的小鼠有便软症状(AZ1,CEF4组),但抗生素诱导后组合物干预(AZ3,CEF6)后小鼠的粪便状况整体上优于正常饮水对照组(AZ1,CEF4)和褐藻寡糖单独添加组(AZ2,CEF5),均能体现对抗生素造成腹泻状况调节的效果更佳。
对收集小鼠的粪便进行微生物组和代谢组分析(参见图1、图2和图3):
1)DNA提取和PCR扩增:粪便中细菌总DNA的提取与分析:参照试剂盒QIAamp DNA试剂盒按照说明书提取粪便中细菌的总DNA。利用特异性引物(16S V4: 515F-806R)扩增16SrRNA基因。所有PCR反应均使用Phusion®高保真PCR Master Mix(New England Biolabs)进行,在Illumina HiSeq 2500平台上对文库进行测序。16S rRNA测序数据采用微生物生态学平台(Quantitative Insights Into Microbial Ecology platform,QIIME)定量分析(V.1.9.1)。以97%的相似性临界值选择操作分类学单位(OTUs)。OTUs丰度信息采用与序列最小样本对应的序列号标准进行归一化。对每个有代表性的序列,根据RDP分类器算法(Version 2.2,http://sourceforge.net/projects/rdp-classifier/)的GreenGene数据库(http://greengenes.lbl.gov/cgi-bin/nph-index.cgi)进行分类信息标注。利用Wilcoxon秩和检验评价组间类群的丰度差异。相关分析采用Spearman相关性检验。采用R包对所有菌群数据进行统计分析(V.2.15.3)。通过PICRUSt(通过重建未观测状态对群落进行***发育研究)进一步利用OTUs对菌群进行基因组预测(参见图1和图2)。
2)代谢物检测
用80%(v/v)甲醇和0.1%(v/v)甲酸提取代谢产物。冰上孵育5 min后,4℃15000 g离心10 min。收集上清液,稀释至终浓度为60%(v/v)甲醇。然后用0.22 μm滤器过滤样品,在4℃下15000g离心10分钟后进行检测。采用高效液相色谱(Exrion LC,SCIEX)和MS/MS(QTRAP6500+,SCIEX)联用分析代谢产物。正离子模式,流动相为0.1%甲酸-水(v/v;A)和0.1%甲酸-乙腈(v/v;B),负离子模式6.5 mmol/L碳酸氢铵-水(A)和6.5 mmol/L碳酸氢铵-95%甲醇-水(v/v;B)。在正离子模式下,用BEH C8柱(100 mm×2.1 mm,Waters)梯度洗脱代谢产物(表2A)。在负离子模式下,用HSS T3柱(100 mm×2.1 mm,Waters)梯度洗脱代谢产物(表2B)。根据Wu等人描述的方法,采用多反应监测模式检测代谢物,用离子(Q3)定量分析(参见图3)。
表2 代谢组学分析的色谱条件
(A)正离子模式
(B)负离子模式
阿奇霉素会引发肠道微生物在门、纲、目、科、属、种水平的紊乱,甚至肠道炎症。褐藻寡糖和组合物干预都对肠道微生物的紊乱有一定的缓解作用,但是组合物会对某些特定的微生物菌属有调节作用。对阿奇霉素干预的微生物群落结构热图属水平分析表明(图1),阿奇霉素干预后(AZ1组),螺杆菌属(Helicobacter)、拟普雷沃菌属(Alloprevotella)、阿克曼氏菌属(Akkermansia)、双歧杆菌属(Bifidobacterium)、Anaerostipes、Candidatus Stoquefichus、脱硫弧菌属(Desulfovibrio)、Parasutterella、Unidentified Ruminococcaceae、Odoribacter、劳尔氏菌属(Ralstonia)、Ileibacterium 、Erysipelatoclostridium和Robinsoniella等相对丰度相较与空白对照组(NC)显著下降,拟杆菌属(Bacteroides)、副拟杆菌(Parabacteroides)、杜氏杆菌属(Dubosiella)、咸海鲜球菌属(Jeotgalicoccus)、罗氏菌属(Roseburia)、葡萄球菌属(Staphylococcus)和气球菌属(Aerococcus)等相对丰度相较与空白对照组(NC)显著上升;经褐藻寡糖干预后(AZ2组),乳杆菌属(Lactobacillus)和杜氏杆菌属(Dubosiella)等相对丰度相较对照组阿奇霉素添加饮水组(AZ1组)显著下降,拟普雷沃菌属(Alloprevotella)、Parasutterella、Unidentified Ruminococcaceae、Odoribacter、Ileibacterium、Erysipelatoclostridium、不动杆菌属(Acinetobacter)属等的相对丰度相较对照组阿奇霉素添加饮水组(AZ1组)显著上升;而经组合物添加后(AZ3组),乳杆菌属(Lactobacillus)、杜氏杆菌属(Dubosiella)、咸海鲜球菌属(Jeotgalicoccus)、罗氏菌属(Roseburia)、Candidatus Saccharimonas、葡萄球菌属(Staphylococcus)和气球菌属(Aerococcus)等相对丰度相较对照组阿奇霉素添加饮水组(AZ1组)显著下降,螺杆菌属(Helicobacter)、拟普雷沃菌属(Alloprevotella)、阿克曼氏菌属(Akkermansia)、Candidatus Stoquefichus、脱硫弧菌属(Desulfovibrio)、Parasutterella、Unidentified Ruminococcaceae、Odoribacter、拟杆菌属(Bacteroides)、副拟杆菌属(Parabacteroides)、Anaeroplasma、Erysipelatoclostridium和Robinsoniella等相对丰度相较对照组阿奇霉素添加饮水组(CEF4)显著上升,进而可见组合物处理组相较于褐藻寡糖处理组提高了对肠道上皮细胞及黏液层的完整性有保护作用的阿克曼氏菌属,降低了常见的化脓性球菌属葡萄球菌属丰度。进一步分析和表1结合可见,阿奇霉素为大环内酯类抗生素,主要作用于细菌引起的感染性疾病。组合物添加后(AZ3组),乳杆菌属(Lactobacillus)、杜氏杆菌属(Dubosiella)、咸海鲜球菌属(Jeotgalicoccus)、罗氏菌属(Roseburia)、Candidatus Saccharimonas、葡萄球菌属(Staphylococcus)和气球菌属(Aerococcus)等相对丰度相较对照组阿奇霉素添加饮水组(AZ1组)显著下降;螺杆菌属(Helicobacter)、拟普雷沃菌属(Alloprevotella)、阿克曼氏菌属(Akkermansia)、Candidatus Stoquefichus、脱硫弧菌属(Desulfovibrio)、Parasutterella、Unidentified Ruminococcaceae、Odoribacter、拟杆菌属(Bacteroides)、副拟杆菌属(Parabacteroides)、Anaeroplasma、Erysipelatoclostridium和Robinsoniella等相对丰度相较对照组阿奇霉素添加饮水组(AZ1组)显著上升。添加组合物后由于菊粉、抗性淀粉、乳果糖对褐藻寡糖的协同作用,其调节小鼠肠道中特异性的肠道微生物,进而使得阿克曼氏菌属(Akkermansia)等菌属的丰度增加,葡萄球菌属等的丰度降低,可以进一步缓解由该抗生素引发的小鼠肠道微生物的紊乱甚至结肠炎症,使得干预后腹泻便软情况改善。
头孢克肟会引发肠道微生物在门、纲、目、科、属、种水平的紊乱,甚至肠道炎症。褐藻寡糖和组合物干预都对肠道微生物的紊乱有一定的缓解作用,但是组合物会对某些特定的微生物菌属有调节作用。由图2对头孢克肟干预的微生物群落结构热图属水平分析表明,头孢克肟干预后(CEF4组)拟普雷沃菌属(Alloprevotella)、另枝菌属(Alistipes)、Colidextribacter、Candidatus Stoquefichus、Candidatus Saccharimonas、Anaerostipes、Lachnospiraceae NK4A136group、Odoribacter、Dubosiella、Prevotellaceae NK3B31 group、Enterorhabdus、乳杆菌属(Lactobacillus)和Eubacterium xylanophilum group相对丰度较对照组(NC)显著性降低;拟杆菌属(Bacteroides)、粪芽孢菌属(Coprobacillus)、Robinsoniella、布劳特氏菌属(Blautia)、Lachnoclostridium、埃希氏-志贺菌属(Escherichia Shigella)、Parasutterella、Hungatella、Erysipelatoclostridium、unidentified Mitochondria、Clostridium sensu stricto 1、肠球菌属(Enterococcus)、阿克曼氏菌属(Akkermansia)、Bifidobacterium、Parabacteroides、Muribaculum和Mucispirillum的相对丰度较对照组(NC组)显著性升高。添加褐藻寡糖(CEF5组)与对照组头孢克肟添加饮水组(CEF4组)相比,Robinsoniella、布劳特氏菌属(Blautia)、Lachnoclostridium、埃希氏菌属(EscherichiaShigella)、Parasutterella、粪芽孢菌属(Coprobacillus)、Hungatella、Erysipelatoclostridium、Clostridium sensu stricto 1和Anaerostipes菌属丰度显著下降;褐藻寡糖干预组(CEF5组)的双歧杆菌属(Bifidobacterium)、副拟杆菌属(Parabacteroides)、Alloprevotella、另枝菌属(Alistipes)、不动杆菌属(Acinetobacter)、杜氏杆菌属(Dubosiella)、Prevotellaceae NK3B31 group和乳杆菌属(Lactobacillus)菌属丰度显著上升。添加组合物(CEF6组)与对照组头孢克肟添加饮水组(CEF4)组相比,组合物组中Robinsoniella、布劳特氏菌属(Blautia)、Lachnoclostridium、粪芽孢菌属(Coprobacillus)、Hungatella、Erysipelatoclostridium、unidentified Mitochondria、螺杆菌属(Helicobacter)、Clostridium sensu stricto 1、肠球菌属(Enterococcus)和阿克曼氏菌属(Akkermansia)菌属丰度显著下降;双歧杆菌属(Bifidobacterium)、Parabacteroides、Alloprevotella、另枝菌属(Alistipes)、Dubosiella菌属丰度显著上升。进而可见组合物通过上调双歧杆菌属(Bifidobacterium)等有益菌的丰度,又降低了褐藻寡糖处理组中增加的肠球菌属(Enterococcus)等致病菌的丰度对小鼠肠道微生物起到选择性的调节作用。
进一步分析和表1结合可见,头孢克肟为头孢菌素类抗生素,主要作用于细菌引起的感染性疾病。组合物添加后,Robinsoniella、布劳特氏菌属(Blautia)、Lachnoclostridium、粪芽孢菌属(Coprobacillus)、Hungatella、Erysipelatoclostridium、unidentified Mitochondria、螺杆菌属(Helicobacter)、Clostridium sensu stricto 1、肠球菌属(Enterococcus)和阿克曼氏菌属(Akkermansia)等相对丰度相较阿奇霉素添加饮水组显著下降。添加组合物后由于菊粉、抗性淀粉、乳果糖对褐藻寡糖的协同作用,其调剂小鼠肠道中肠道微生物,进而使得粪芽孢菌属(Coprobacillus)、unidentified Mitochondria、螺杆菌属(Helicobacter)、肠球菌属(Enterococcus)和阿克曼氏菌属(Akkermansia)菌属丰度降低,可以进一步缓解由该抗生素引发的小鼠肠道微生物的紊乱甚至结肠炎症,使得干预后腹泻便软情况改善。
由图3代谢物检测可见,阿奇霉素干预后,多巴胺和戊二酸浓度降低,葡萄糖醛酸、γ-谷氨酰-亮氨酸、N2-乙酰-L-鸟氨酸、N-乙酰鸟氨酸、L-鸟氨酸、L-鸟氨酸、L-苯丙氨酸、牛磺脱氧胆酸、乙酰左旋肉碱、烟酰胺、大豆苷元浓度增加,褐藻寡糖处理后,小鼠粪便中苯基丙酮酸、N2-乙酰-L-鸟氨酸、N-乙酰鸟氨酸、柠檬酸、D-景天庚酮糖 7-磷酸,葡萄糖醛酸、D-糖酸、抗坏血酸,苯基丙酮酸、γ-谷氨酰-亮氨酸、N2-乙酰-L-鸟氨酸、N-乙酰鸟氨酸、柠檬酸,α-酮戊二酸、L-鸟氨酸,L-鸟氨酸和L-苯丙氨酸物质浓度显著性增加。异丙基苹果酸、瓜氨酸、UDP-D-葡萄糖醛酸、2-异丙基苹果酸、N-乙酰-L-谷氨酸、N-乙酰-L-谷氨酸浓度显著性降低。组合物处理后,粪便中牛磺胆酸、熊去氧胆酸、戊二酸、2’-脱氧尿苷、尿苷、丙二酸、腺苷、多巴胺、肌苷、鸟嘌呤、2’-脱氧鸟苷,2’-脱氧腺苷,黄豆苷元和L-组氨酸等物质浓度显著性增加。牛磺酸脱氧胆酸、烟酰胺、3-甲基色氨盐酸盐、香叶木素和胍基乙酸浓度显著降低。相较于褐藻寡糖处理,组合物恢复了益于健康的多巴胺、L-鸟氨酸等代谢物的水平,并增加腺苷等这类对免疫有益的代谢物浓度。
综上所述有菌群和代谢物两方面的检测采用本发明的益生元均能在不同程度上对特定抗生素引起的肠道紊乱的缓解,并且益生元为褐藻寡糖、菊粉、抗性淀粉和乳果糖组合时,可实现进一步的对可使更广泛的致病菌丰度降低,并且增加益生菌丰度,同时还会增加益于健康的代谢物的水平,从而改善抗生素对宿主的影响。
Claims (9)
1.一种用于缓解肠道紊乱的益生元组合物,其特征在于:组合物为褐藻寡糖、菊粉、抗性淀粉和乳果糖中的一种或几种。
2.按权利要求1所述用于缓解肠道紊乱的益生元组合物,其特征在于:组合物为褐藻寡糖、菊粉、抗性淀粉和乳果糖中至少两种多糖的混合。
3.按权利要求2所述用于缓解肠道紊乱的益生元组合物,其特征在于:所述组合物为两种多糖时,按质量比为20-80:10-30混合;
所述组合物为三种多糖时,按质量比为20-50:20-50:10-30混合;
所述组合物为四种多糖时,按质量比为20-40:20-40:10-20:10-20混合。
4.按权利要求1-3任意一项所述用于缓解肠道紊乱的益生元组合物,其特征在于:所述褐藻寡糖为聚合度1-4。
5.按权利要求1-3任意一项所述用于缓解肠道紊乱的益生元组合物,其特征在于:所述抗生素为阿奇霉素或头孢克肟。
6.一种权利要求1所述益生元组合物的应用,其特征在于:所述组合物在制备用于缓解抗生素使用导致肠道紊乱的益生元中的应用。
7.按权利要求6所述益生元组合物的应用,其特征在于:所述组合物在制备用于缓解抗生素使用导致肠道微生物紊乱的益生元中的应用。
8.一种缓解阿奇霉素或头孢克肟干扰肠道紊乱症状的方法,其特征在于:所述方法包括向受试者给予有效剂量的权利要求1所述益生元组合物。
9.按权利要求8所述的方法,其特征在于:将有效剂量的权利要求1所述益生元组合物连续或间歇向受试者给予;其中,有效剂量为2g/kg/d-15g/kg/d。
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