Cell Death Differ:lncRNA PFI调控SRSF1的表达及活性以预防肺纤维化的发生

2021-05-14 xiaozeng MedSci原创

肺纤维化(PF)是一种进行性的、不可逆转的、病因复杂、死亡率高的慢性炎症性疾病,其与年龄密切相关且治疗选择有限。

肺纤维化(PF)是一种进行性的、不可逆转的、病因复杂、死亡率高的慢性炎症性疾病,其与年龄密切相关且治疗选择有限。

PF主要包括特发性肺纤维化(IPF)、过敏性肺炎、尘肺病、结节病以及与胶原蛋白沉积相关的纤维化性肺泡炎。这些形式的PF是由不同的刺激因素引起的,包括中毒、感染、严重创伤、自身免疫反应和药物不良反应等。


既往研究显示,细胞衰老、表观遗传学调控和环境因素均可能导致PF,但目前相应的分子机制仍不清楚。PF的主要病理生理特征包括肺泡上皮细胞损伤、成纤维细胞异常激活以及细胞外基质(ECM)的过度沉积,最终导致呼吸衰竭和肺部气体交换功能的丧失。

越来越多的研究显示,长非编码RNA(lncRNA)参与调控包括心脏纤维化、肝纤维化、肾纤维化以及PF在内的组织修复和器官纤维化。


该研究旨在探究lncRNAs在肺纤维化中的作用。研究人员采用qRT-PCR分析法鉴定博莱霉素(BLM)诱导的实验性肺纤维化小鼠模型的肺脏中异常表达的lncRNA,并进行一系列分子分析,以评估新型lncRNA NONMMUT060091(称为肺纤维化抑制剂,PFI)的作用。

敲低PFI导致MLF纤维化

研究人员发现,PFI在纤维化的肺中显著下调。功能研究显示,敲低内源性PFI的表达可促进原代小鼠肺成纤维细胞(MLF)的增殖、分化和ECM的沉积。相反的,在MLFs和人胎肺成纤维细胞MRC-5细胞中过表达PFI均能够部分消除TGF-β1诱导的纤维化形成。


同样的,相比于野生型(WT)小鼠,过表达PFI能够减弱BLM诱导的肺纤维化。机制研究发现,ChIRP-MS质谱以及RNA pull-down实验发现,PFI可直接结合SRSF1(富含丝氨酸/精氨酸的剪接因子1),并抑制其表达和纤维化活性。此外,通过抑制EDA+Fn1剪接形式的形成以沉默SRSF1,可以抑制TRC-β1诱导的MRC-5细胞的增殖、分化和ECM的沉积。而通过气管内注射AAV5(腺相关病毒5)过表达SRSF1可以消除PFI在BLM治疗小鼠中的抗纤维化作用。

过表达PFI可减轻TGF-β1诱导的MLF纤维化

总而言之,该研究结果显示,PFI通过负调节SRSF1的表达和活性,以减轻了肺纤维化的发生,并提示PFI和SRSF1或是治疗肺纤维化的潜在靶标。


原始出处:

Sun, J., Jin, T., Su, W. et al. The long non-coding RNA PFI protects against pulmonary fibrosis by interacting with splicing regulator SRSF1. Cell Death Differ (12 May 2021).

 

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    2021-10-28 isabellayj

    #Differ#

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    2021-07-10 维他命

    #CEL#

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    2021-07-22 nian.wang1982

    #SRS#

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    2021-12-08 yanjie6253_56072842

    #CRN#

    0

  5. [GetPortalCommentsPageByObjectIdResponse(id=1784264, encodeId=aa951e842642d, content=<a href='/topic/show?id=f01159527d' target=_blank style='color:#2F92EE;'>#Differ#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=112, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5952, encryptionId=f01159527d, topicName=Differ)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=d784426, createdName=isabellayj, createdTime=Thu Oct 28 17:22:40 CST 2021, time=2021-10-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1962516, encodeId=9ad819625166c, content=<a href='/topic/show?id=dbe6445416' target=_blank style='color:#2F92EE;'>#CEL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=102, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4454, encryptionId=dbe6445416, topicName=CEL)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c3ff68, createdName=维他命, createdTime=Sat Jul 10 00:22:40 CST 2021, time=2021-07-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1967980, encodeId=0453196e980aa, content=<a href='/topic/show?id=51c91669428' target=_blank style='color:#2F92EE;'>#SRS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=141, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=16694, encryptionId=51c91669428, topicName=SRS)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=6f63175, createdName=nian.wang1982, createdTime=Thu Jul 22 13:22:40 CST 2021, time=2021-07-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2005752, encodeId=1ee22005e52c9, content=<a href='/topic/show?id=6ff1525e13' target=_blank style='color:#2F92EE;'>#CRN#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=125, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5257, encryptionId=6ff1525e13, topicName=CRN)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=35fc2500023, createdName=yanjie6253_56072842, createdTime=Wed Dec 08 10:22:40 CST 2021, time=2021-12-08, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1872206, encodeId=bec418e220644, content=<a href='/topic/show?id=fd764459a8' target=_blank style='color:#2F92EE;'>#Cell#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=107, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4459, encryptionId=fd764459a8, topicName=Cell)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=524d95, createdName=zhaozhouchifen, createdTime=Thu Jan 06 18:22:40 CST 2022, time=2022-01-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1301947, encodeId=8118130194ed4, content=<a href='/topic/show?id=b469109e41d' target=_blank style='color:#2F92EE;'>#lncRNA#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=104, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10974, encryptionId=b469109e41d, topicName=lncRNA)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=2317301, createdName=xzw113, createdTime=Sun May 16 14:22:40 CST 2021, time=2021-05-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1531739, encodeId=ff5d1531e394b, content=<a href='/topic/show?id=770e5e9457' target=_blank style='color:#2F92EE;'>#Death#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=82, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5794, encryptionId=770e5e9457, topicName=Death)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=32e312278742, createdName=cy0328, createdTime=Sun May 16 14:22:40 CST 2021, time=2021-05-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=965787, encodeId=8bb1965e8705, content=不可逆的, beContent=null, objectType=article, channel=null, level=null, likeNumber=123, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTKibA62IFMeUJEmSyIe8DvYFeERuOsfrRd8iano7nENqQU1dRR3tqeQOUL3eqgYgEZRT2t2iaEsib0JEw/132, createdBy=66771693911, createdName=易水河, createdTime=Sat May 15 10:19:39 CST 2021, time=2021-05-15, status=1, ipAttribution=)]
    2022-01-06 zhaozhouchifen

    #Cell#

    0

  6. [GetPortalCommentsPageByObjectIdResponse(id=1784264, encodeId=aa951e842642d, content=<a href='/topic/show?id=f01159527d' target=_blank style='color:#2F92EE;'>#Differ#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=112, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5952, encryptionId=f01159527d, topicName=Differ)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=d784426, createdName=isabellayj, createdTime=Thu Oct 28 17:22:40 CST 2021, time=2021-10-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1962516, encodeId=9ad819625166c, content=<a href='/topic/show?id=dbe6445416' target=_blank style='color:#2F92EE;'>#CEL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=102, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4454, encryptionId=dbe6445416, topicName=CEL)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c3ff68, createdName=维他命, createdTime=Sat Jul 10 00:22:40 CST 2021, time=2021-07-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1967980, encodeId=0453196e980aa, content=<a href='/topic/show?id=51c91669428' target=_blank style='color:#2F92EE;'>#SRS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=141, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=16694, encryptionId=51c91669428, topicName=SRS)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=6f63175, createdName=nian.wang1982, createdTime=Thu Jul 22 13:22:40 CST 2021, time=2021-07-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2005752, encodeId=1ee22005e52c9, content=<a href='/topic/show?id=6ff1525e13' target=_blank style='color:#2F92EE;'>#CRN#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=125, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5257, encryptionId=6ff1525e13, topicName=CRN)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=35fc2500023, createdName=yanjie6253_56072842, createdTime=Wed Dec 08 10:22:40 CST 2021, time=2021-12-08, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1872206, encodeId=bec418e220644, content=<a href='/topic/show?id=fd764459a8' target=_blank style='color:#2F92EE;'>#Cell#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=107, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4459, encryptionId=fd764459a8, topicName=Cell)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=524d95, createdName=zhaozhouchifen, createdTime=Thu Jan 06 18:22:40 CST 2022, time=2022-01-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1301947, encodeId=8118130194ed4, content=<a href='/topic/show?id=b469109e41d' target=_blank style='color:#2F92EE;'>#lncRNA#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=104, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10974, encryptionId=b469109e41d, topicName=lncRNA)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=2317301, createdName=xzw113, createdTime=Sun May 16 14:22:40 CST 2021, time=2021-05-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1531739, encodeId=ff5d1531e394b, content=<a href='/topic/show?id=770e5e9457' target=_blank style='color:#2F92EE;'>#Death#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=82, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5794, encryptionId=770e5e9457, topicName=Death)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=32e312278742, createdName=cy0328, createdTime=Sun May 16 14:22:40 CST 2021, time=2021-05-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=965787, encodeId=8bb1965e8705, content=不可逆的, beContent=null, objectType=article, channel=null, level=null, likeNumber=123, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTKibA62IFMeUJEmSyIe8DvYFeERuOsfrRd8iano7nENqQU1dRR3tqeQOUL3eqgYgEZRT2t2iaEsib0JEw/132, createdBy=66771693911, createdName=易水河, createdTime=Sat May 15 10:19:39 CST 2021, time=2021-05-15, status=1, ipAttribution=)]
    2021-05-16 xzw113

    #lncRNA#

    0

  7. [GetPortalCommentsPageByObjectIdResponse(id=1784264, encodeId=aa951e842642d, content=<a href='/topic/show?id=f01159527d' target=_blank style='color:#2F92EE;'>#Differ#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=112, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5952, encryptionId=f01159527d, topicName=Differ)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=d784426, createdName=isabellayj, createdTime=Thu Oct 28 17:22:40 CST 2021, time=2021-10-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1962516, encodeId=9ad819625166c, content=<a href='/topic/show?id=dbe6445416' target=_blank style='color:#2F92EE;'>#CEL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=102, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4454, encryptionId=dbe6445416, topicName=CEL)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c3ff68, createdName=维他命, createdTime=Sat Jul 10 00:22:40 CST 2021, time=2021-07-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1967980, encodeId=0453196e980aa, content=<a href='/topic/show?id=51c91669428' target=_blank style='color:#2F92EE;'>#SRS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=141, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=16694, encryptionId=51c91669428, topicName=SRS)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=6f63175, createdName=nian.wang1982, createdTime=Thu Jul 22 13:22:40 CST 2021, time=2021-07-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2005752, encodeId=1ee22005e52c9, content=<a href='/topic/show?id=6ff1525e13' target=_blank style='color:#2F92EE;'>#CRN#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=125, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5257, encryptionId=6ff1525e13, topicName=CRN)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=35fc2500023, createdName=yanjie6253_56072842, createdTime=Wed Dec 08 10:22:40 CST 2021, time=2021-12-08, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1872206, encodeId=bec418e220644, content=<a href='/topic/show?id=fd764459a8' target=_blank style='color:#2F92EE;'>#Cell#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=107, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4459, encryptionId=fd764459a8, topicName=Cell)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=524d95, createdName=zhaozhouchifen, createdTime=Thu Jan 06 18:22:40 CST 2022, time=2022-01-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1301947, encodeId=8118130194ed4, content=<a href='/topic/show?id=b469109e41d' target=_blank style='color:#2F92EE;'>#lncRNA#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=104, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10974, encryptionId=b469109e41d, topicName=lncRNA)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=2317301, createdName=xzw113, createdTime=Sun May 16 14:22:40 CST 2021, time=2021-05-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1531739, encodeId=ff5d1531e394b, content=<a href='/topic/show?id=770e5e9457' target=_blank style='color:#2F92EE;'>#Death#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=82, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5794, encryptionId=770e5e9457, topicName=Death)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=32e312278742, createdName=cy0328, createdTime=Sun May 16 14:22:40 CST 2021, time=2021-05-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=965787, encodeId=8bb1965e8705, content=不可逆的, beContent=null, objectType=article, channel=null, level=null, likeNumber=123, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTKibA62IFMeUJEmSyIe8DvYFeERuOsfrRd8iano7nENqQU1dRR3tqeQOUL3eqgYgEZRT2t2iaEsib0JEw/132, createdBy=66771693911, createdName=易水河, createdTime=Sat May 15 10:19:39 CST 2021, time=2021-05-15, status=1, ipAttribution=)]
    2021-05-16 cy0328

    #Death#

    0

  8. [GetPortalCommentsPageByObjectIdResponse(id=1784264, encodeId=aa951e842642d, content=<a href='/topic/show?id=f01159527d' target=_blank style='color:#2F92EE;'>#Differ#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=112, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5952, encryptionId=f01159527d, topicName=Differ)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=d784426, createdName=isabellayj, createdTime=Thu Oct 28 17:22:40 CST 2021, time=2021-10-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1962516, encodeId=9ad819625166c, content=<a href='/topic/show?id=dbe6445416' target=_blank style='color:#2F92EE;'>#CEL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=102, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4454, encryptionId=dbe6445416, topicName=CEL)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c3ff68, createdName=维他命, createdTime=Sat Jul 10 00:22:40 CST 2021, time=2021-07-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1967980, encodeId=0453196e980aa, content=<a href='/topic/show?id=51c91669428' target=_blank style='color:#2F92EE;'>#SRS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=141, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=16694, encryptionId=51c91669428, topicName=SRS)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=6f63175, createdName=nian.wang1982, createdTime=Thu Jul 22 13:22:40 CST 2021, time=2021-07-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2005752, encodeId=1ee22005e52c9, content=<a href='/topic/show?id=6ff1525e13' target=_blank style='color:#2F92EE;'>#CRN#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=125, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5257, encryptionId=6ff1525e13, topicName=CRN)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=35fc2500023, createdName=yanjie6253_56072842, createdTime=Wed Dec 08 10:22:40 CST 2021, time=2021-12-08, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1872206, encodeId=bec418e220644, content=<a href='/topic/show?id=fd764459a8' target=_blank style='color:#2F92EE;'>#Cell#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=107, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4459, encryptionId=fd764459a8, topicName=Cell)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=524d95, createdName=zhaozhouchifen, createdTime=Thu Jan 06 18:22:40 CST 2022, time=2022-01-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1301947, encodeId=8118130194ed4, content=<a href='/topic/show?id=b469109e41d' target=_blank style='color:#2F92EE;'>#lncRNA#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=104, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10974, encryptionId=b469109e41d, topicName=lncRNA)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=2317301, createdName=xzw113, createdTime=Sun May 16 14:22:40 CST 2021, time=2021-05-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1531739, encodeId=ff5d1531e394b, content=<a href='/topic/show?id=770e5e9457' target=_blank style='color:#2F92EE;'>#Death#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=82, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5794, encryptionId=770e5e9457, topicName=Death)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=32e312278742, createdName=cy0328, createdTime=Sun May 16 14:22:40 CST 2021, time=2021-05-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=965787, encodeId=8bb1965e8705, content=不可逆的, beContent=null, objectType=article, channel=null, level=null, likeNumber=123, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTKibA62IFMeUJEmSyIe8DvYFeERuOsfrRd8iano7nENqQU1dRR3tqeQOUL3eqgYgEZRT2t2iaEsib0JEw/132, createdBy=66771693911, createdName=易水河, createdTime=Sat May 15 10:19:39 CST 2021, time=2021-05-15, status=1, ipAttribution=)]
    2021-05-15 易水河

    不可逆的

    0

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