GUT:肠道细菌长链脂肪酸与抗炎

2020-09-28 MedSci原创 MedSci原创

肠道细菌产生3-羟基十八烯酸是有效的抗炎成分,其生成微生物/宿主相互作用的结果

临床研究数据表明,益生菌对结肠炎症具有调节作用,但益生菌缓解结肠炎的作用机制尚不清楚。近日研究人员通过质谱,鉴定和量化了益生菌中的游离长链脂肪酸(LCFAs)含量,并评估了其对小鼠结肠炎的影响。

研究人员对大肠杆菌Nissle1917产生的所有LCFA进行质谱研究,与其他大肠杆菌菌株相比,Nissle1917产生的3-羟基十八烯酸 (C18-3OH)浓度增加显著。口服C18-3OH可减轻硫酸葡聚糖钠诱导的小鼠结肠炎。研究人员还发现,益生元低聚果糖(FOS)的抗炎特性与结肠C18-3OH浓度的增加有关。C18-3OH的浓度增加与支原体Allobaculum、霍尔德曼氏菌和狄氏副拟杆菌的丰度增加有关。在培养过程中,BholdemanellaBiformis可产生高浓度的C18-3OH。利用tr-fret结合试验和基因表达分析证明C18-3OH是过氧化物酶体增殖物激活受体γ的激动剂。

研究发现,肠道细菌产生3-羟基十八烯酸是有效的抗炎成分,其生成微生物/宿主相互作用的结果。

原始出处:

Julien Pujo et al. Bacteria-derived long chain fatty acid exhibits anti-inflammatory properties in colitis.Gut. 21 Sep, 2019.

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    2021-04-30 MedSciZeng

    #Gut#点击进入话题查看更多相关文章 或评论时插入话题加入讨论

    0

  2. [GetPortalCommentsPageByObjectIdResponse(id=961911, encodeId=cb8b9619116e, content=<a href='/topic/show?id=49e383289e' target=_blank style='color:#2F92EE;'>#Gut#</a>点击进入话题查看更多相关文章 或评论时插入话题加入讨论, beContent=null, objectType=article, channel=null, level=null, likeNumber=89, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=8328, encryptionId=49e383289e, topicName=Gut)], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20221103/2796e00c9b4549e3b313ed9e7accc68f/b52d6d98bbe04782b5a4e2dd1ee80be2.jpeg, createdBy=078e1614372, createdName=MedSciZeng, createdTime=Fri Apr 30 17:29:35 CST 2021, time=2021-04-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=925598, encodeId=a066925598f4, content=学习了,谢谢, beContent=null, objectType=article, channel=null, level=null, likeNumber=75, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=e3601615208, createdName=dearluodi, createdTime=Fri Feb 19 22:33:12 CST 2021, time=2021-02-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1705755, encodeId=f9051e057552f, content=<a href='/topic/show?id=eb309e087ae' target=_blank style='color:#2F92EE;'>#长链脂肪酸#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=97087, encryptionId=eb309e087ae, topicName=长链脂肪酸)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=ab0531060650, createdName=w984455tii, createdTime=Fri Jan 22 03:42:03 CST 2021, time=2021-01-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1369922, encodeId=fd961369922bd, content=<a href='/topic/show?id=4f4081e22b0' target=_blank style='color:#2F92EE;'>#肠道细菌#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=61, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=81722, encryptionId=4f4081e22b0, topicName=肠道细菌)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=9d17305, createdName=listen318, createdTime=Wed Sep 30 11:42:03 CST 2020, time=2020-09-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=889203, encodeId=ab258892033a, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=104, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20200929/68806648b4504d459f217ff836e4a201/273f163804d741a6baa6ba91cadd8d5f.jpg, createdBy=02025422613, createdName=ms1000000672797977, createdTime=Tue Sep 29 13:10:10 CST 2020, time=2020-09-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=888997, encodeId=3acd88899e4c, content=肠道菌群很重要!, beContent=null, objectType=article, channel=null, level=null, likeNumber=103, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20211019/df01a4bfb64246379ddfef3370d04115/e1274c8eb5e440918f56f83bcfea9031.jpg, createdBy=3a345397082, createdName=Jessica, createdTime=Mon Sep 28 21:13:07 CST 2020, time=2020-09-28, status=1, ipAttribution=)]
    2021-02-19 dearluodi

    学习了,谢谢

    0

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    2020-09-29 ms1000000672797977

    学习了

    0

  6. [GetPortalCommentsPageByObjectIdResponse(id=961911, encodeId=cb8b9619116e, content=<a href='/topic/show?id=49e383289e' target=_blank style='color:#2F92EE;'>#Gut#</a>点击进入话题查看更多相关文章 或评论时插入话题加入讨论, beContent=null, objectType=article, channel=null, level=null, likeNumber=89, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=8328, encryptionId=49e383289e, topicName=Gut)], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20221103/2796e00c9b4549e3b313ed9e7accc68f/b52d6d98bbe04782b5a4e2dd1ee80be2.jpeg, createdBy=078e1614372, createdName=MedSciZeng, createdTime=Fri Apr 30 17:29:35 CST 2021, time=2021-04-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=925598, encodeId=a066925598f4, content=学习了,谢谢, beContent=null, objectType=article, channel=null, level=null, likeNumber=75, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=e3601615208, createdName=dearluodi, createdTime=Fri Feb 19 22:33:12 CST 2021, time=2021-02-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1705755, encodeId=f9051e057552f, content=<a href='/topic/show?id=eb309e087ae' target=_blank style='color:#2F92EE;'>#长链脂肪酸#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=97087, encryptionId=eb309e087ae, topicName=长链脂肪酸)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=ab0531060650, createdName=w984455tii, createdTime=Fri Jan 22 03:42:03 CST 2021, time=2021-01-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1369922, encodeId=fd961369922bd, content=<a href='/topic/show?id=4f4081e22b0' target=_blank style='color:#2F92EE;'>#肠道细菌#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=61, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=81722, encryptionId=4f4081e22b0, topicName=肠道细菌)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=9d17305, createdName=listen318, createdTime=Wed Sep 30 11:42:03 CST 2020, time=2020-09-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=889203, encodeId=ab258892033a, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=104, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20200929/68806648b4504d459f217ff836e4a201/273f163804d741a6baa6ba91cadd8d5f.jpg, createdBy=02025422613, createdName=ms1000000672797977, createdTime=Tue Sep 29 13:10:10 CST 2020, time=2020-09-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=888997, encodeId=3acd88899e4c, content=肠道菌群很重要!, beContent=null, objectType=article, channel=null, level=null, likeNumber=103, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20211019/df01a4bfb64246379ddfef3370d04115/e1274c8eb5e440918f56f83bcfea9031.jpg, createdBy=3a345397082, createdName=Jessica, createdTime=Mon Sep 28 21:13:07 CST 2020, time=2020-09-28, status=1, ipAttribution=)]
    2020-09-28 Jessica

    肠道菌群很重要!

    0

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