J Dent Res:神经元-神经胶质间的相互作用在IL-1β介导的移位牙疼痛中的作用

2017-11-15 lishiting MedSci原创

虽然许多研究已有报道,在牙髓炎症发生后存在口面部区域的异位疼痛,它往往会导致对牙髓炎患者的误诊以及采取不恰当的治疗。然而,此类情况发生的精确机制还未可知。在这篇研究中,研究者推测:三叉神经节(TG)中存在白细胞介素1β (IL-1β)介导的卫星胶质细胞与神经元间的功能性相互作用,它可能涉及与牙髓炎症相关的异位口面部疼痛。

虽然许多研究已有报道,在牙髓炎症发生后存在口面部区域的异位疼痛,它往往会导致对牙髓炎患者的误诊以及采取不恰当的治疗。然而,此类情况发生的精确机制还未可知。在这篇研究中,研究者推测:三叉神经节(TG)中存在白细胞介素1β (IL-1β)介导的卫星胶质细胞与神经元间的功能性相互作用,它可能涉及与牙髓炎症相关的异位口面部疼痛。研究通过对大鼠上颌第二磨牙牙髓施加辣椒辣素刺激后检测二腹肌肌电图(D-EMG)活性,以此评估其有害反应。结果显示,上颌第一磨牙(M1)感染的大鼠D-EMG活性比注射生理盐水的大鼠显著升高。在M1牙髓炎发生后,TG中围绕在第二磨牙神经支配神经元的有活性卫星胶质细胞中连接蛋白43(Cx43,一种构成缝隙连接的蛋白)的表达明显上调。TG中每日给予一种Cx43的模拟肽和抑制剂-Gap26,会显著抑制M1牙髓感染后辣椒辣素诱导的D-EMG活性增强和由胶质纤维酸蛋白-免疫反应(IR)+ Cx43-IR细胞包围的荧光金(FG)标记的细胞百分比例(P < 0.01)。M1牙髓感染后,胶质纤维酸蛋白-IR + IL-1β-IR细胞包围的FG标记的细胞、FG标记的IL-1I型受体-I

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  2. [GetPortalCommentsPageByObjectIdResponse(id=1909223, encodeId=056519092236d, content=<a href='/topic/show?id=8039e2512e8' target=_blank style='color:#2F92EE;'>#相互作用#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=72512, encryptionId=8039e2512e8, topicName=相互作用)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=f73a255, createdName=medscijoin, createdTime=Fri Jul 27 11:06:00 CST 2018, time=2018-07-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=262447, encodeId=c0fb26244e31, content=牙髓炎症发生异常疼痛.往往会造成误诊或采取不恰当治疗, beContent=null, objectType=article, channel=null, level=null, likeNumber=79, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20160623/IMG576BCE3504BEE4493.jpg, createdBy=161a1711463, createdName=心愿, createdTime=Sun Nov 19 07:22:06 CST 2017, time=2017-11-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1423859, encodeId=29811423859d3, content=<a href='/topic/show?id=66d29650ac' target=_blank style='color:#2F92EE;'>#IL-1β#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=47, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=9650, encryptionId=66d29650ac, topicName=IL-1β)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=a7ea3859416, createdName=rgjl, createdTime=Fri Nov 17 11:06:00 CST 2017, time=2017-11-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1471560, encodeId=989614e156062, content=<a href='/topic/show?id=c0132410554' target=_blank style='color:#2F92EE;'>#互作#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=30, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=24105, encryptionId=c0132410554, topicName=互作)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4dc87121468, createdName=ylz8405, createdTime=Fri Nov 17 11:06:00 CST 2017, time=2017-11-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1508198, encodeId=8b7215081984a, content=<a href='/topic/show?id=8d4596248e' target=_blank style='color:#2F92EE;'>#IL-1#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=9624, encryptionId=8d4596248e, topicName=IL-1)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f6cf9946833, createdName=jjjiang0202, createdTime=Fri Nov 17 11:06:00 CST 2017, time=2017-11-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1547998, encodeId=a660154e99814, content=<a href='/topic/show?id=92786e613c2' target=_blank style='color:#2F92EE;'>#牙疼#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=50, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=67613, encryptionId=92786e613c2, topicName=牙疼)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=c45f13973087, createdName=ms1779634646866130, createdTime=Fri Nov 17 11:06:00 CST 2017, time=2017-11-17, status=1, ipAttribution=)]
    2017-11-19 心愿

    牙髓炎症发生异常疼痛.往往会造成误诊或采取不恰当治疗

    0

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    2017-11-17 rgjl
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    2017-11-17 ylz8405
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    2017-11-17 jjjiang0202
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