Sci Rep:低剂量青霉素可以减少结肠炎的易感性

2017-03-09 MedSci MedSci原创

早期生活中使用抗生素可导致肠道微生物群的显着变化,并且可能促进炎症性肠病(IBD)的后期发作。然而,根据流行病学研究的矛盾结果,早期抗生素治疗和IBD之间的关系是不明确的。近期,一项发表在杂志Sci Rep上的研究证明了低剂量青霉素预处理对由葡聚糖硫酸钠(DSS)诱导的小鼠结肠炎具有独特的保护作用。低剂量青霉素抑制促炎细胞因子IL-17在各种肠道组织中的表达,并减少小肠固有层中Th17细胞的数量。

早期生活中使用抗生素可导致肠道微生物群的显着变化,并且可能促进炎症性肠病(IBD)的后期发作。


然而,根据流行病学研究的矛盾结果,早期抗生素治疗和IBD之间的关系是不明确的。

近期,一项发表在杂志Sci Rep上的研究证明了低剂量青霉素预处理对由葡聚糖硫酸钠(DSS)诱导的小鼠结肠炎具有独特的保护作用。

低剂量青霉素抑制促炎细胞因子IL-17在各种肠道组织中的表达,并减少小肠固有层中Th17细胞的数量。但是,甲硝唑和恩氟沙星均没有观察到类似的效果。

此项研究进一步证实,低剂量青霉素可以引起肠道菌群的特异性改变,特别是根除分段丝状菌(SFB)。未接种SFB的小鼠在用青霉素或水处理时没有显示差异。

总之,此项研究结果表明低剂量青霉素可以实现对敏感细菌的高度特异性操作并干扰早期生活中肠道免疫系统的发展。

该研究还表明通过微调肠道微生物群可能在某些IBD患者或其他自身免疫性疾病患者中获得有利的免疫状态。

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    2017-03-22 cuiyejia

    万万没想到,学习了。

    0

  2. [GetPortalCommentsPageByObjectIdResponse(id=181863, encodeId=107e181863db, content=万万没想到,学习了。, beContent=null, objectType=article, channel=null, level=null, likeNumber=58, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=28761705280, createdName=cuiyejia, createdTime=Wed Mar 22 08:13:17 CST 2017, time=2017-03-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=179355, encodeId=facd1e9355f2, content=好东西,谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=67, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=28761705280, createdName=cuiyejia, createdTime=Sun Mar 12 13:57:28 CST 2017, time=2017-03-12, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=179310, encodeId=e2951e931062, content=文章真好,值得分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=54, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/jW482SpianMayicTRbRZ5RzdAIB7UwTkHt6fQkBP8ictliaXtc5gCUmYdAW1sAETC2nhO3q6YjRHkUibyOCtP8ibmXNObTyd63A076/0, createdBy=d4111948983, createdName=1e10c84am36(暂无匿称), createdTime=Sun Mar 12 09:16:57 CST 2017, time=2017-03-12, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1459280, encodeId=7a33145928092, content=<a href='/topic/show?id=2cc899065bc' target=_blank style='color:#2F92EE;'>#青霉素#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=27, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=99065, encryptionId=2cc899065bc, topicName=青霉素)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=fd1b6130189, createdName=sunyl09, createdTime=Sat Mar 11 10:55:00 CST 2017, time=2017-03-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1460520, encodeId=23a41460520dc, content=<a href='/topic/show?id=36a7596628a' target=_blank style='color:#2F92EE;'>#易感性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=59662, encryptionId=36a7596628a, topicName=易感性)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f6af6344165, createdName=FukaiBao, createdTime=Sat Mar 11 10:55:00 CST 2017, time=2017-03-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1480437, encodeId=0057148043ef6, content=<a href='/topic/show?id=647d2615939' target=_blank style='color:#2F92EE;'>#低剂量#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=27, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=26159, encryptionId=647d2615939, topicName=低剂量)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=97b17641126, createdName=ms1292405679162969, createdTime=Sat Mar 11 10:55:00 CST 2017, time=2017-03-11, status=1, ipAttribution=)]
    2017-03-12 cuiyejia

    好东西,谢分享

    0

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    2017-03-12 1e10c84am36(暂无匿称)

    文章真好,值得分享

    0

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    2017-03-11 sunyl09
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