Science:反复食物中毒有持续危害

2017-12-22 海北 MedSci原创

肠炎是结肠炎和炎性肠病的核心病理特征。这些综合征来自不明身份的环境因素。

肠炎是结肠炎和炎性肠病的核心病理特征。这些综合征来自不明身份的环境因素。

加利福尼亚大学圣塔芭芭拉分校的研究人员发现,人类食物中毒的主要来源,肠道革兰氏阴性鼠伤寒沙门氏菌(ST),的非致命性胃肠道感染能够引起小鼠肠道组织的炎症,主要是结肠。其在病原体清除后能够持续存在,并且在重复感染中,其严重程度会不可逆地升高。

革兰氏阴性鼠伤寒沙门氏菌通过诱导内源性神经氨酸酶活性,使得宿主的保护机制逐步丧失,进而加速了肠道碱性磷酸酶(IAP)的分子老化和清除。该疾病与IAP去唾液酸化的Toll样受体4(TLR4)依赖性机制,以及IAP底物和TLR4配体脂多糖磷酸的累积有关。

研究人员还发现,IAP或抗病毒神经氨酸酶抑制剂扎那米韦的给药是通过维持IAP丰度和功能来治疗该疾病的。


原始出处:

Won Ho Yang et al. Recurrent infection progressively disables host protection against intestinal inflammationScience, 2017; 358 (6370): eaao5610 DOI: 10.1126/science.aao5610


本文系梅斯医学(MedSci)原创编译整理,转载需授权


版权声明:
本网站所有内容来源注明为“梅斯医学”或“MedSci原创”的文字、图片和音视频资料,版权均属于梅斯医学所有。非经授权,任何媒体、网站或个人不得转载,授权转载时须注明来源为“梅斯医学”。其它来源的文章系转载文章,或“梅斯号”自媒体发布的文章,仅系出于传递更多信息之目的,本站仅负责审核内容合规,其内容不代表本站立场,本站不负责内容的准确性和版权。如果存在侵权、或不希望被转载的媒体或个人可与我们联系,我们将立即进行删除处理。
在此留言
评论区 (4)
#插入话题
  1. [GetPortalCommentsPageByObjectIdResponse(id=1319063, encodeId=975a131906379, content=<a href='/topic/show?id=14d92231508' target=_blank style='color:#2F92EE;'>#中毒#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=22315, encryptionId=14d92231508, topicName=中毒)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=f13d475, createdName=mashirong, createdTime=Sat Dec 23 23:53:00 CST 2017, time=2017-12-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1375740, encodeId=c96913e5740fc, content=<a href='/topic/show?id=2949159989d' target=_blank style='color:#2F92EE;'>#SCIE#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=27, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=15998, encryptionId=2949159989d, topicName=SCIE)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=17a3387, createdName=jichang, createdTime=Sat Dec 23 23:53:00 CST 2017, time=2017-12-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1416797, encodeId=85a91416e9741, content=<a href='/topic/show?id=27c710101804' target=_blank style='color:#2F92EE;'>#食物#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=35, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=101018, encryptionId=27c710101804, topicName=食物)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=e3a33221853, createdName=yhy100201, createdTime=Sat Dec 23 23:53:00 CST 2017, time=2017-12-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=271764, encodeId=e58f2e176495, content=学习了.涨知识, beContent=null, objectType=article, channel=null, level=null, likeNumber=69, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20220115/46bcf39c32de4aa6b45c5f9d66c8ee77/6cb4a20c55bb4b7691122f47747bfca2.jpg, createdBy=9dad1662329, createdName=1ddf0692m34(暂无匿称), createdTime=Sat Dec 23 09:09:09 CST 2017, time=2017-12-23, status=1, ipAttribution=)]
    2017-12-23 mashirong
  2. [GetPortalCommentsPageByObjectIdResponse(id=1319063, encodeId=975a131906379, content=<a href='/topic/show?id=14d92231508' target=_blank style='color:#2F92EE;'>#中毒#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=22315, encryptionId=14d92231508, topicName=中毒)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=f13d475, createdName=mashirong, createdTime=Sat Dec 23 23:53:00 CST 2017, time=2017-12-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1375740, encodeId=c96913e5740fc, content=<a href='/topic/show?id=2949159989d' target=_blank style='color:#2F92EE;'>#SCIE#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=27, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=15998, encryptionId=2949159989d, topicName=SCIE)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=17a3387, createdName=jichang, createdTime=Sat Dec 23 23:53:00 CST 2017, time=2017-12-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1416797, encodeId=85a91416e9741, content=<a href='/topic/show?id=27c710101804' target=_blank style='color:#2F92EE;'>#食物#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=35, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=101018, encryptionId=27c710101804, topicName=食物)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=e3a33221853, createdName=yhy100201, createdTime=Sat Dec 23 23:53:00 CST 2017, time=2017-12-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=271764, encodeId=e58f2e176495, content=学习了.涨知识, beContent=null, objectType=article, channel=null, level=null, likeNumber=69, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20220115/46bcf39c32de4aa6b45c5f9d66c8ee77/6cb4a20c55bb4b7691122f47747bfca2.jpg, createdBy=9dad1662329, createdName=1ddf0692m34(暂无匿称), createdTime=Sat Dec 23 09:09:09 CST 2017, time=2017-12-23, status=1, ipAttribution=)]
    2017-12-23 jichang
  3. [GetPortalCommentsPageByObjectIdResponse(id=1319063, encodeId=975a131906379, content=<a href='/topic/show?id=14d92231508' target=_blank style='color:#2F92EE;'>#中毒#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=22315, encryptionId=14d92231508, topicName=中毒)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=f13d475, createdName=mashirong, createdTime=Sat Dec 23 23:53:00 CST 2017, time=2017-12-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1375740, encodeId=c96913e5740fc, content=<a href='/topic/show?id=2949159989d' target=_blank style='color:#2F92EE;'>#SCIE#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=27, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=15998, encryptionId=2949159989d, topicName=SCIE)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=17a3387, createdName=jichang, createdTime=Sat Dec 23 23:53:00 CST 2017, time=2017-12-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1416797, encodeId=85a91416e9741, content=<a href='/topic/show?id=27c710101804' target=_blank style='color:#2F92EE;'>#食物#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=35, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=101018, encryptionId=27c710101804, topicName=食物)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=e3a33221853, createdName=yhy100201, createdTime=Sat Dec 23 23:53:00 CST 2017, time=2017-12-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=271764, encodeId=e58f2e176495, content=学习了.涨知识, beContent=null, objectType=article, channel=null, level=null, likeNumber=69, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20220115/46bcf39c32de4aa6b45c5f9d66c8ee77/6cb4a20c55bb4b7691122f47747bfca2.jpg, createdBy=9dad1662329, createdName=1ddf0692m34(暂无匿称), createdTime=Sat Dec 23 09:09:09 CST 2017, time=2017-12-23, status=1, ipAttribution=)]
    2017-12-23 yhy100201
  4. [GetPortalCommentsPageByObjectIdResponse(id=1319063, encodeId=975a131906379, content=<a href='/topic/show?id=14d92231508' target=_blank style='color:#2F92EE;'>#中毒#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=22315, encryptionId=14d92231508, topicName=中毒)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=f13d475, createdName=mashirong, createdTime=Sat Dec 23 23:53:00 CST 2017, time=2017-12-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1375740, encodeId=c96913e5740fc, content=<a href='/topic/show?id=2949159989d' target=_blank style='color:#2F92EE;'>#SCIE#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=27, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=15998, encryptionId=2949159989d, topicName=SCIE)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=17a3387, createdName=jichang, createdTime=Sat Dec 23 23:53:00 CST 2017, time=2017-12-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1416797, encodeId=85a91416e9741, content=<a href='/topic/show?id=27c710101804' target=_blank style='color:#2F92EE;'>#食物#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=35, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=101018, encryptionId=27c710101804, topicName=食物)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=e3a33221853, createdName=yhy100201, createdTime=Sat Dec 23 23:53:00 CST 2017, time=2017-12-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=271764, encodeId=e58f2e176495, content=学习了.涨知识, beContent=null, objectType=article, channel=null, level=null, likeNumber=69, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20220115/46bcf39c32de4aa6b45c5f9d66c8ee77/6cb4a20c55bb4b7691122f47747bfca2.jpg, createdBy=9dad1662329, createdName=1ddf0692m34(暂无匿称), createdTime=Sat Dec 23 09:09:09 CST 2017, time=2017-12-23, status=1, ipAttribution=)]
    2017-12-23 1ddf0692m34(暂无匿称)

    学习了.涨知识

    0

相关资讯

Lancet:每年有多少人死于食物中毒?说出来吓坏你!

WHO预计,全球食物中毒大调查将是首次全球性的开展食物中毒对民众影响的大型调查。调查指出,虽然5岁以下的儿童仅占全球人口的9%,却有近30%死于被污染的食物导致的食物中毒,尤其是低收入地区发生率更高。

急诊室来了一对“蓝瘦、香菇”的夫妻

深夜,浙江大学医学院附属第一医院急诊室来了一对夫妻。(怎么样?今天这个开头听起来很有故事性吧)(以上为模拟场景)(实际场景如下:)经过浙大一院急诊科医生的仔细问诊,发现这对夫妻症状类似,表现为头晕乏力、上吐下泻,感觉身体被掏空。追问病史,他们晚上一起吃过山里采来的蘑菇。医生高度怀疑是蘑菇中毒,可淳朴的大叔却很坚定得认为那只是普通的蘑菇。他说那种蘑菇长得没有艳丽的外表,与平时菜场所见的食用菇很相似。

警惕:奶制品和鸡肉中的细菌位居有毒食品“榜首”

美国政府发表的最新报告指出,生牛奶和家禽中存在的细菌,超过沙门氏菌成为食物中毒的罪魁祸首。