胎儿性别会影响母体免疫系统

2017-02-21 张荣杰 中华医学网

一组来自美国俄亥俄州立大学维克斯纳医学中心(Ohio State University Wexner Medical Center)的研究人员,针对于胎儿性别是否会对母体的免疫系统产生影响展开了研究。这项研究是由维克斯纳医学中心行为研究所的Amanda Mitchell博士后所率领。

胎儿性别会不会影响母体免疫系统?一项最新的研究探索了胎儿性别对母体免疫反应的影响。

一组来自美国俄亥俄州立大学维克斯纳医学中心(Ohio State University Wexner Medical Center)的研究人员,针对于胎儿性别是否会对母体的免疫系统产生影响展开了研究。这项研究是由维克斯纳医学中心行为研究所的Amanda Mitchell博士后所率领。

这项研究使源于作者所了解的几个胎儿的性别影响母亲的几种生理反应的趣闻和科学研究,在这些趣闻和科学研究中,不同性别的胎儿对于母体的血糖控制、血压和皮质醇水平都会产生不同的影响。

这项最新的研究发表在Brain, Behavior, and Immunity杂志上。在这项最新的研究中,Mitchell博士后和他的研究团队对80名孕妇进行了了怀孕早期、中期和晚期妊娠检查。在这些孕妇中,46名怀有男孩,34名怀有女孩。研究人员取得她们的免疫细胞,并将她们的免疫细胞暴露在细菌中,看免疫细胞的反应是否根据胎儿性别的不同而不同。

怀女性胎儿的孕妇促炎性细胞因子水平升高

具体而言,Mitchell博士后和他的研究团队研究了孕妇的细胞因子水平。细胞因子是调节免疫和炎症的信号分子。细胞因子有时被称为应急分子,这些因子由机体释放应对疾病,这些因子在体内有炎症时可以帮助机体细胞间相互交流。细胞因子是人体的自然免疫反应的一部分,但它们持续释放时则会引起疾病。这就如同炎症反应是免疫反应的重要部分,但过量的炎症反应则会引起疼痛甚至疾病。

这项研究分析了血液以及在实验室中暴露于细菌的反应。研究结果表明,怀有女孩的孕妇可能对于某些特定疾病产生更严重的症状。

研究人员表示:“虽然这些孕妇没有因为他们肚中胎儿性别的不同而造成血液中细胞因子的不同,但是我们发现,怀有女孩的孕妇的免疫细胞在暴露于细菌后会产生更多的促炎性细胞因子。这就意味着,相比怀有男孩的孕妇而言,怀有女孩的孕妇在免疫系统受到刺激后会出现程度更高的炎症反应。”

在这项研究中注意到的炎症反应的升高可以解释为什么怀女孩的孕妇为什么对于其已患的疾病会产生更加严重的症状。研究人员以哮喘和过敏为例,与怀男孩的孕妇相比,怀女孩的孕妇的哮喘和过敏可能会发生恶化。

Mitchell博士后进一步解释了研究结果的意义:这项研究有助于怀孕的孕妇和他们的产科医生认识到胎儿性别对于日常的免疫反应是一项影响因素。并且会指导未来更进一步的研究怀有不同性别胎儿的孕妇对于病毒感染、慢性疾病(如哮喘)会产生的反应,以及这些反应是否会影响胎儿。

还需要更多的研究来证实妊娠时怎么样影响炎症的。Mitchell博士后推测性激素以及胎盘中的其他激素可能会影响到炎症的水平。Mitchell博士后补充说道:由于过多或过少的免疫反应对于健康都是不利的,这就意味着我们并不一定要增强免疫反应,而是需要一个能够维持健康的正常的免疫反应。此外对于不同性别胎儿对于孕妇已有疾病(如先兆子痫)的联系以及早产等妊娠结局之间的关系还需要更多的信息来证实。

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  2. [GetPortalCommentsPageByObjectIdResponse(id=2004506, encodeId=29d92004506bf, content=<a href='/topic/show?id=76088360623' target=_blank style='color:#2F92EE;'>#胎儿性别#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=83606, encryptionId=76088360623, topicName=胎儿性别)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=3679417, createdName=feather78, createdTime=Sun May 21 21:23:00 CST 2017, time=2017-05-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=177460, encodeId=ee691e7460ca, content=有意思,对免疫又加深了了解, beContent=null, objectType=article, channel=null, level=null, likeNumber=78, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/Q3auHgzwzM7uccwz9eibupezVicicZgyMv08mRmOy7ntY7ojnukevcbZExgNZHl3GiavC5cIR9zwGUicbf388WogknQ/0, createdBy=c0ec2017928, createdName=vickykaka , createdTime=Wed Feb 22 15:38:13 CST 2017, time=2017-02-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=177310, encodeId=f1711e73100d, content=很有意思的科研, beContent=null, objectType=article, channel=null, level=null, likeNumber=71, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=83821977043, createdName=我爱光明2009, createdTime=Tue Feb 21 20:52:07 CST 2017, time=2017-02-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=177291, encodeId=7bf81e7291d8, content=最新的研究探索了胎儿性别对母体免疫反应的影响。, beContent=null, objectType=article, channel=null, level=null, likeNumber=70, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo6KcicAVC1MwuF63NQckT5BOaic1el7cRelbpr859YXtZQHQSaWnqZCRPOZzDBcjsBNx7AFefLHh1UvMPS4kPP0BG/0, createdBy=47831990981, createdName=1e1a50a1m36(暂无匿称), createdTime=Tue Feb 21 15:37:21 CST 2017, time=2017-02-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=177281, encodeId=d78a1e728159, content=学习签到,赚积分, beContent=null, objectType=article, channel=null, level=null, likeNumber=61, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/mONcle9pic3zSn0GqHrsfLANEL7Sww3HicKsN9aribicAmGGWXOIMEiaZ1iadgZg9RibjqSwIKUS8gSPib2NwTVg2zVvVJhdP3BkuDIl/0, createdBy=944d1605392, createdName=shaosai, createdTime=Tue Feb 21 14:48:36 CST 2017, time=2017-02-21, status=1, ipAttribution=)]
    2017-02-22 vickykaka

    有意思,对免疫又加深了了解

    0

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    2017-02-21 我爱光明2009

    很有意思的科研

    0

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    2017-02-21 1e1a50a1m36(暂无匿称)

    最新的研究探索了胎儿性别对母体免疫反应的影响。

    0

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    2017-02-21 shaosai

    学习签到,赚积分

    0

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