Nat Commun:RANKL调控男性生殖功能

2021-05-05 xiaozeng MedSci原创

不育是一种经常发生的事件,在全球范围内影响着7–26%的夫妇。精液质量受损约占所有病例的50%,但

不育是一种经常发生的事件,在全球范围内影响着7–26%的夫妇。精液质量受损约占所有病例的50%,但对于大多数不育男性,除患有性腺功能低下性腺功能减退症和精索静脉曲张的患者外,目前尚无其他治疗选择可以有效的改善精液质量。

目前关于精子浓度降低、运动性和精子形态异常的相关机制尚不完全清楚。既往研究显示,骨特异性蛋白,例如骨钙蛋白,可以刺激睾丸激素和精子的产生,而维生素D则可以诱导少精症男性精子的活性并提高其活产率。

RANKL(NF-κB配体的受体激活剂)是骨吸收的重要调节剂,其包含三个组成部分。RANKL是一种跨膜配体,其能够与邻近细胞上的受体RANK结合激活NF-κB信号通路并调节细胞周期,包括细胞增殖、分化和凋亡。

RANKL、RANK、OPG在人睾丸中的表达

在该研究中,研究人员发现RANKL、RANK和OPG在睾丸中的不同细胞类型中表达,这也暗示了其或参与精子发生的相关调节作用。RANKL在Sertoli细胞中高度表达,并与大多数生殖细胞中表达RANK结合激活信号,而RANKL抑制剂OPG(骨保护素)则是在生殖细胞和肾小管周细胞中表达。

血清和精液中sRANKL浓度与精液质量的关系

OPG处理会增加野生型小鼠的精子数量,对Rankl进行全身抑制或Sertoli细胞特异性抑制的小鼠的雄性育性和精子数量也会增加。此外,研究人员发现精液中的RANKL水平很高,且能够将正常人和不育男人区分开,其特异性高于总精子数量。在不育男性中,一剂量地诺单抗(Denosumab)治疗可以降低精液RANKL的浓度并增加血清中Inhibin-B和抗苗勒管激素的水平。


总而言之,这项转化研究表明,RANKL是男性生殖功能的调节因子。其是否能够作为患者治疗结果的预测性生物标志物则需要进行进一步的研究。


原始出处:

Blomberg Jensen, M., Andreassen, C.H., Jørgensen, A. et al. RANKL regulates male reproductive function. Nat Commun 12, 2450 (23 April 2021).

 



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    2021-12-06 liuli5079
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    2021-10-08 liye789132251
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    2021-05-06 fzwish20002
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    2021-05-05 yangchou

    好文章,谢谢分享。

    0

  6. [GetPortalCommentsPageByObjectIdResponse(id=2087981, encodeId=41ef208e98177, content=<a href='/topic/show?id=490750196b' target=_blank style='color:#2F92EE;'>#COMMUN#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=30, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5019, encryptionId=490750196b, topicName=COMMUN)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=7931272, createdName=liuli5079, createdTime=Mon Dec 06 13:38:09 CST 2021, time=2021-12-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1885131, encodeId=37b41885131f7, content=<a href='/topic/show?id=3b2112532d8' target=_blank style='color:#2F92EE;'>#Nat#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=33, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=12532, encryptionId=3b2112532d8, topicName=Nat)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=2e6f107, createdName=liye789132251, createdTime=Fri Oct 08 01:38:09 CST 2021, time=2021-10-08, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1982709, encodeId=120d1982e09b2, content=<a href='/topic/show?id=8ac0e02482e' target=_blank style='color:#2F92EE;'>#男性生殖#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=26, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=70248, encryptionId=8ac0e02482e, topicName=男性生殖)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=e68e415, createdName=juliusluan78, createdTime=Mon Mar 07 12:38:09 CST 2022, time=2022-03-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1465951, encodeId=4769146595180, content=<a href='/topic/show?id=1a2b151156f' target=_blank style='color:#2F92EE;'>#RANKL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=15115, encryptionId=1a2b151156f, topicName=RANKL)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c1966767752, createdName=fzwish20002, createdTime=Thu May 06 16:38:09 CST 2021, time=2021-05-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=962738, encodeId=7129962e38e8, content=好文章,谢谢分享。, beContent=null, objectType=article, channel=null, level=null, likeNumber=55, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTJlfgys76DEiaNtbYo2re3ibjrUPTRibEXRyFwAB4aAGiave842S0FQDf0wAoaH226NiaSoPPDzhndsf1g/132, createdBy=88b489038, createdName=yangchou, createdTime=Wed May 05 07:11:11 CST 2021, time=2021-05-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=962734, encodeId=cf3c962e3493, content=好,跟个人心情也有关系吧, beContent=null, objectType=article, channel=null, level=null, likeNumber=55, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=10784730946, createdName=liujiadong, createdTime=Wed May 05 07:06:20 CST 2021, time=2021-05-05, status=1, ipAttribution=)]
    2021-05-05 liujiadong

    好,跟个人心情也有关系吧

    0

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