Laryngoscope:鼻内接种磷酰胆碱能够抑制过敏性鼻炎

2017-12-14 AlexYang MedSci原创

鼻内接种磷酰胆碱(PC)能够减少免疫球蛋白(lg)E的产生。然而,它对过敏性鼻炎(AR)产生的影响还未知。最近,有研究人员评估了PK-KLH的影响,并且还探究了在小鼠模型中对AR产生的影响。研究包括了45只雌性BALB/c小鼠,并且分成3个小组。包括前处理使用PC-KLH鼻内给药,之后进行卵清蛋白(OVA)的腹膜内敏化左右和鼻粘膜挑战(组A);没有用PC-KLH处理但用OVA进行腹膜内敏化左右和鼻

鼻内接种磷酰胆碱(PC)能够减少免疫球蛋白(lg)E的产生。然而,它对过敏性鼻炎(AR)产生的影响还未知。最近,有研究人员评估了PK-KLH的影响,并且还探究了在小鼠模型中对AR产生的影响。

研究包括了45只雌性BALB/c小鼠,并且分成3个小组。包括前处理使用PC-KLH鼻内给药,之后进行卵清蛋白(OVA)的腹膜内敏化左右和鼻粘膜挑战(组A);没有用PC-KLH处理但用OVA进行腹膜内敏化左右和鼻粘膜挑战(组B);以及没有用PC-KLH处理或者OVA处理的对照(组C)。研究人员对这三个小组的鼻症状、在鼻粘膜中的过敏性炎症、OVA特异性lgE的产生和细胞激素进行了比较。另外,研究人员还从脾脏细胞中分离了树突细胞(DCs),并且测量了PC-KLH刺激的白介素(IL)-12p40的产生。

研究发现,与未处理小鼠相比,PC-KLH处理的小鼠表现了更低的过敏性鼻症状和炎症。总的lgE水平和OVA特异性lgE在血清中的水平、鼻粘膜和脾脏CD4+ T细胞中IL-4的产生水平都因PC-KLH的处理而显著降低。更多的是,DCs产生的IL-12p40可以由PC-KLH诱导,并且是剂量依赖的方式。最后,研究人员指出,PC-KLH的鼻内给药可以通过下调Th2类型免疫响应,从而抑制鼻粘膜中的过敏性炎症和抗原特异性lgE的产生。鼻内PC接种也许是阻止AR和上呼吸道细菌感染的有效方法。

原始出处:

Miyashita K, Ohori J, Nagano H et al. Intranasal immunization with phosphorylcholine suppresses allergic rhinitis in mice. Laryngoscope. 29 Nov 2017.

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    2018-10-26 feather89
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    2017-12-16 grace5704
  4. [GetPortalCommentsPageByObjectIdResponse(id=2046916, encodeId=99e620469160f, content=<a href='/topic/show?id=6f5294036b1' target=_blank style='color:#2F92EE;'>#过敏性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=22, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=94036, encryptionId=6f5294036b1, topicName=过敏性)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=0a8e213, createdName=hongbochen, createdTime=Sat May 19 00:37:00 CST 2018, time=2018-05-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1726950, encodeId=50491e2695083, content=<a href='/topic/show?id=986913980dd' target=_blank style='color:#2F92EE;'>#PE#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13980, encryptionId=986913980dd, topicName=PE)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f06c33759375, createdName=feather89, createdTime=Fri Oct 26 22:37:00 CST 2018, time=2018-10-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1527393, encodeId=f452152e393db, content=<a href='/topic/show?id=10b483495a2' target=_blank style='color:#2F92EE;'>#胆碱#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=25, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=83495, encryptionId=10b483495a2, topicName=胆碱)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=ce6211859522, createdName=grace5704, createdTime=Sat Dec 16 11:37:00 CST 2017, time=2017-12-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=269635, encodeId=7d8326963567, content=非常好的文章.学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=64, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo7LIiaRZTzJ3SEfiauCzTMPW7YvPPYLNJBXG9oh6Al1icq2VQQkIHWxqXehcicTS62YKJVBhxeth3wggw/0, createdBy=7ce01621306, createdName=天涯183, createdTime=Fri Dec 15 16:06:12 CST 2017, time=2017-12-15, status=1, ipAttribution=)]
    2017-12-15 天涯183

    非常好的文章.学习了

    0