Cell Stem Cell:打破怀疑,发现食管癌相关机制

2021-04-23 Viho MedSci原创

化生(metaplasia) 是指一种分化成熟的组织被另一种分化成熟的组织取代的过程。

化生(metaplasia) 是指一种分化成熟的组织被另一种分化成熟的组织取代的过程。 是一种已分化的细胞转变为另一种细胞类型的方式,一般只能转变为性质相似的细胞。 机体的一种组织由于细胞生活环境改变或理化因素刺激,在形态和机能上变为另一种组织的过程,是机体的一种适应现象。

 化生通常是慢性炎症的结果,最典型的例子就是Barrett食管。Barrett食管由慢性反流性食管炎引起,有几个典型的化生例子,其中最常见的是Barrett食管。Barrett食管的其特点是在慢性酸反流时,食管下部的角质形成细胞被柱状细胞取代。这种化生被认为是一种癌前病变,其风险大约是食管腺癌的50倍。在过去的几十年里,食管腺癌的发病率急剧上升,医学界一直认为食管癌发病率增加与Barrett食管患病率增加的结果有关,但对食管化生发生的机制尚未完全清楚。

 

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近日,由比利时布鲁塞尔自由大学的Benjamin Beck教授领导研究团队发表在Cell Stem Cell上的研究中,报告了食管角质形成细胞转化为柱状细胞的机制。



研究团队与日本东京医科大学Sachiyo Nomura教授合作

利用最先进的遗传工具和小鼠模型剖析了食道细胞参与化生的分子机制。

研究观察到,在慢性酸反流时,上皮细胞会重新激活Hedgehog (Hh) 信号通路(Hh信号分子是一种由信号细胞所分泌的局域性蛋白质配体,作用范围很小,一般不超过20个细胞。)。

正常食道细胞中这一途径的重新激活改变了Hh信号通路,使正常食道细看起来像胚胎食道细胞。随后,这些细胞的一个子集被转化为柱状细胞。

转基因小鼠模型、谱系追踪、单细胞RNA测序以及转录和表观遗传学分析

该研究证明,Hh信号通路改变了几乎所有食道细胞的鳞状分化程序,但只在一小部分前体细胞中诱发了从鳞状到柱状的完全转化。而在柱状转化之前,有一个类似胚胎的表观遗传和转录程序,这表明角质形成细胞在激活另一个分化程序之前需要分化。体内条件性基因敲除表明转录因子Sox9在柱状转化过程中起着关键作用。
这项研究的第一作者、布鲁塞尔医学院的Alizée Vercauteren Drubbel表示,食道细胞随着时间的推移慢慢变化,仅仅通过激活体内的信号通路就能获得其他组织的特征,令人惊讶。而该研究结果也可以帮助医学界更好地了解化生的发展过程及其发展成癌症的过程,有助于发现癌症高危人群。也为癌症的治疗和早筛提供新方向。

综上,这项工作该研究结果强调了调节细胞可塑性的机制,这可能构成食管转分化和化生发展的第一步。

文献参考:

Alizée Vercauteren Drubbel et al. Reactivation of the Hedgehog pathway in esophageal progenitors turns on an embryonic-like program to initiate columnar metaplasia, Cell Stem Cell (2021). DOI: 10.1016/j.stem.2021.03.019

 

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【社群简介】👉 梅斯医学目前已建立覆盖肿瘤、心血管、神经、消化、内分泌、呼吸等30个科室的学习交流社群。 【入群福利】👉 群内可实时交流病例,提问同行,跨群讨论,每天更新前沿医学资讯和指南共识,每周推出至少1场专业直播,不时共享科研干货,入群即可获得100份SCI写作攻略!, beContent=null, objectType=article, channel=null, level=null, likeNumber=62, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=104233, encryptionId=d55f104233bd, topicName=梅斯医学科研互助群)], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210413/240d3ae7a8e8452d9f49793c3923ad60/78defa70ab2947c28066b378f1117648.jpg, createdBy=fa315475285, createdName=梅斯小助手, createdTime=Fri Apr 23 09:47:49 CST 2021, time=2021-04-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=959647, encodeId=a6ea95964eb9, content=好文章,值得一读。, beContent=null, objectType=article, channel=null, level=null, likeNumber=67, 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=Fri Apr 23 06:04:55 CST 2021, time=2021-04-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1039411, encodeId=070a103941118, content=机制研究离临床仍然有距离,不过与临床结合思考,仍然有帮助的,不能仅仅是纯临床思维,转化思维同样重要, beContent=null, objectType=article, channel=null, level=null, likeNumber=56, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=肿肿, createdTime=Fri Apr 23 03:24:39 CST 2021, time=2021-04-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=959642, encodeId=3a5995964210, content=,在慢性酸反流时,上皮细胞会重新激活Hedgehog (Hh) 信号通路(Hh信号分子是一种由信号细胞所分泌的局域性蛋白质配体,作用范围很小,一般不超过20个细胞。, beContent=null, objectType=article, channel=null, level=null, likeNumber=60, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://cdnapi.center.medsci.cn/medsci/head/2017/08/02/7354b3539aae6a0ccb1e0fff04c12084.jpg, createdBy=205b1984786, createdName=随梦飞扬, createdTime=Fri Apr 23 00:49:25 CST 2021, time=2021-04-23, status=1, ipAttribution=)]
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【社群简介】👉 梅斯医学目前已建立覆盖肿瘤、心血管、神经、消化、内分泌、呼吸等30个科室的学习交流社群。 【入群福利】👉 群内可实时交流病例,提问同行,跨群讨论,每天更新前沿医学资讯和指南共识,每周推出至少1场专业直播,不时共享科研干货,入群即可获得100份SCI写作攻略!, beContent=null, objectType=article, channel=null, level=null, likeNumber=62, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=104233, encryptionId=d55f104233bd, topicName=梅斯医学科研互助群)], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210413/240d3ae7a8e8452d9f49793c3923ad60/78defa70ab2947c28066b378f1117648.jpg, createdBy=fa315475285, createdName=梅斯小助手, createdTime=Fri Apr 23 09:47:49 CST 2021, time=2021-04-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=959647, encodeId=a6ea95964eb9, content=好文章,值得一读。, beContent=null, objectType=article, channel=null, level=null, likeNumber=67, 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=Fri Apr 23 06:04:55 CST 2021, time=2021-04-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1039411, encodeId=070a103941118, content=机制研究离临床仍然有距离,不过与临床结合思考,仍然有帮助的,不能仅仅是纯临床思维,转化思维同样重要, beContent=null, objectType=article, channel=null, level=null, likeNumber=56, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=肿肿, createdTime=Fri Apr 23 03:24:39 CST 2021, time=2021-04-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=959642, encodeId=3a5995964210, content=,在慢性酸反流时,上皮细胞会重新激活Hedgehog (Hh) 信号通路(Hh信号分子是一种由信号细胞所分泌的局域性蛋白质配体,作用范围很小,一般不超过20个细胞。, beContent=null, objectType=article, channel=null, level=null, likeNumber=60, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://cdnapi.center.medsci.cn/medsci/head/2017/08/02/7354b3539aae6a0ccb1e0fff04c12084.jpg, createdBy=205b1984786, createdName=随梦飞扬, createdTime=Fri Apr 23 00:49:25 CST 2021, time=2021-04-23, status=1, ipAttribution=)]
  4. 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【社群简介】👉 梅斯医学目前已建立覆盖肿瘤、心血管、神经、消化、内分泌、呼吸等30个科室的学习交流社群。 【入群福利】👉 群内可实时交流病例,提问同行,跨群讨论,每天更新前沿医学资讯和指南共识,每周推出至少1场专业直播,不时共享科研干货,入群即可获得100份SCI写作攻略!, beContent=null, objectType=article, channel=null, level=null, likeNumber=62, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=104233, encryptionId=d55f104233bd, topicName=梅斯医学科研互助群)], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210413/240d3ae7a8e8452d9f49793c3923ad60/78defa70ab2947c28066b378f1117648.jpg, createdBy=fa315475285, createdName=梅斯小助手, createdTime=Fri Apr 23 09:47:49 CST 2021, time=2021-04-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=959647, encodeId=a6ea95964eb9, content=好文章,值得一读。, beContent=null, objectType=article, channel=null, level=null, likeNumber=67, 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=Fri Apr 23 06:04:55 CST 2021, time=2021-04-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1039411, encodeId=070a103941118, content=机制研究离临床仍然有距离,不过与临床结合思考,仍然有帮助的,不能仅仅是纯临床思维,转化思维同样重要, beContent=null, objectType=article, channel=null, level=null, likeNumber=56, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=肿肿, createdTime=Fri Apr 23 03:24:39 CST 2021, time=2021-04-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=959642, encodeId=3a5995964210, content=,在慢性酸反流时,上皮细胞会重新激活Hedgehog (Hh) 信号通路(Hh信号分子是一种由信号细胞所分泌的局域性蛋白质配体,作用范围很小,一般不超过20个细胞。, beContent=null, objectType=article, channel=null, level=null, likeNumber=60, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://cdnapi.center.medsci.cn/medsci/head/2017/08/02/7354b3539aae6a0ccb1e0fff04c12084.jpg, createdBy=205b1984786, createdName=随梦飞扬, createdTime=Fri Apr 23 00:49:25 CST 2021, time=2021-04-23, status=1, ipAttribution=)]
    2021-04-24 zhouqu_8
  5. 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【社群简介】👉 梅斯医学目前已建立覆盖肿瘤、心血管、神经、消化、内分泌、呼吸等30个科室的学习交流社群。 【入群福利】👉 群内可实时交流病例,提问同行,跨群讨论,每天更新前沿医学资讯和指南共识,每周推出至少1场专业直播,不时共享科研干货,入群即可获得100份SCI写作攻略!, beContent=null, objectType=article, channel=null, level=null, likeNumber=62, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=104233, encryptionId=d55f104233bd, topicName=梅斯医学科研互助群)], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210413/240d3ae7a8e8452d9f49793c3923ad60/78defa70ab2947c28066b378f1117648.jpg, createdBy=fa315475285, createdName=梅斯小助手, createdTime=Fri Apr 23 09:47:49 CST 2021, time=2021-04-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=959647, encodeId=a6ea95964eb9, content=好文章,值得一读。, beContent=null, objectType=article, channel=null, level=null, likeNumber=67, 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=Fri Apr 23 06:04:55 CST 2021, time=2021-04-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1039411, encodeId=070a103941118, content=机制研究离临床仍然有距离,不过与临床结合思考,仍然有帮助的,不能仅仅是纯临床思维,转化思维同样重要, beContent=null, objectType=article, channel=null, level=null, likeNumber=56, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=肿肿, createdTime=Fri Apr 23 03:24:39 CST 2021, time=2021-04-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=959642, encodeId=3a5995964210, content=,在慢性酸反流时,上皮细胞会重新激活Hedgehog (Hh) 信号通路(Hh信号分子是一种由信号细胞所分泌的局域性蛋白质配体,作用范围很小,一般不超过20个细胞。, beContent=null, objectType=article, channel=null, level=null, likeNumber=60, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://cdnapi.center.medsci.cn/medsci/head/2017/08/02/7354b3539aae6a0ccb1e0fff04c12084.jpg, createdBy=205b1984786, createdName=随梦飞扬, createdTime=Fri Apr 23 00:49:25 CST 2021, time=2021-04-23, status=1, ipAttribution=)]
  6. 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【社群简介】👉 梅斯医学目前已建立覆盖肿瘤、心血管、神经、消化、内分泌、呼吸等30个科室的学习交流社群。 【入群福利】👉 群内可实时交流病例,提问同行,跨群讨论,每天更新前沿医学资讯和指南共识,每周推出至少1场专业直播,不时共享科研干货,入群即可获得100份SCI写作攻略!, beContent=null, objectType=article, channel=null, level=null, likeNumber=62, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=104233, encryptionId=d55f104233bd, topicName=梅斯医学科研互助群)], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210413/240d3ae7a8e8452d9f49793c3923ad60/78defa70ab2947c28066b378f1117648.jpg, createdBy=fa315475285, createdName=梅斯小助手, createdTime=Fri Apr 23 09:47:49 CST 2021, time=2021-04-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=959647, encodeId=a6ea95964eb9, content=好文章,值得一读。, beContent=null, objectType=article, channel=null, level=null, likeNumber=67, 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=Fri Apr 23 06:04:55 CST 2021, time=2021-04-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1039411, encodeId=070a103941118, content=机制研究离临床仍然有距离,不过与临床结合思考,仍然有帮助的,不能仅仅是纯临床思维,转化思维同样重要, beContent=null, objectType=article, channel=null, level=null, likeNumber=56, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=肿肿, createdTime=Fri Apr 23 03:24:39 CST 2021, time=2021-04-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=959642, encodeId=3a5995964210, content=,在慢性酸反流时,上皮细胞会重新激活Hedgehog (Hh) 信号通路(Hh信号分子是一种由信号细胞所分泌的局域性蛋白质配体,作用范围很小,一般不超过20个细胞。, beContent=null, objectType=article, channel=null, level=null, likeNumber=60, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://cdnapi.center.medsci.cn/medsci/head/2017/08/02/7354b3539aae6a0ccb1e0fff04c12084.jpg, createdBy=205b1984786, createdName=随梦飞扬, createdTime=Fri Apr 23 00:49:25 CST 2021, time=2021-04-23, status=1, ipAttribution=)]
    2021-04-23 科研科研科研

    食管癌的发病机制

    0

  7. 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【社群简介】👉 梅斯医学目前已建立覆盖肿瘤、心血管、神经、消化、内分泌、呼吸等30个科室的学习交流社群。 【入群福利】👉 群内可实时交流病例,提问同行,跨群讨论,每天更新前沿医学资讯和指南共识,每周推出至少1场专业直播,不时共享科研干货,入群即可获得100份SCI写作攻略!, beContent=null, objectType=article, channel=null, level=null, likeNumber=62, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=104233, encryptionId=d55f104233bd, topicName=梅斯医学科研互助群)], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210413/240d3ae7a8e8452d9f49793c3923ad60/78defa70ab2947c28066b378f1117648.jpg, createdBy=fa315475285, createdName=梅斯小助手, createdTime=Fri Apr 23 09:47:49 CST 2021, time=2021-04-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=959647, encodeId=a6ea95964eb9, content=好文章,值得一读。, beContent=null, objectType=article, channel=null, level=null, likeNumber=67, 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=Fri Apr 23 06:04:55 CST 2021, time=2021-04-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1039411, encodeId=070a103941118, content=机制研究离临床仍然有距离,不过与临床结合思考,仍然有帮助的,不能仅仅是纯临床思维,转化思维同样重要, beContent=null, objectType=article, channel=null, level=null, likeNumber=56, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=肿肿, createdTime=Fri Apr 23 03:24:39 CST 2021, time=2021-04-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=959642, encodeId=3a5995964210, content=,在慢性酸反流时,上皮细胞会重新激活Hedgehog (Hh) 信号通路(Hh信号分子是一种由信号细胞所分泌的局域性蛋白质配体,作用范围很小,一般不超过20个细胞。, beContent=null, objectType=article, channel=null, level=null, likeNumber=60, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://cdnapi.center.medsci.cn/medsci/head/2017/08/02/7354b3539aae6a0ccb1e0fff04c12084.jpg, createdBy=205b1984786, createdName=随梦飞扬, createdTime=Fri Apr 23 00:49:25 CST 2021, time=2021-04-23, status=1, ipAttribution=)]
    2021-04-23 梅斯小助手

    三人行,必有我师。 #梅斯医学科研互助群# 欢迎您的加入,添加【梅斯医学科研助手WeChat:medsci_2021】邀您进群! 【社群简介】👉 梅斯医学目前已建立覆盖肿瘤、心血管、神经、消化、内分泌、呼吸等30个科室的学习交流社群。 【入群福利】👉 群内可实时交流病例,提问同行,跨群讨论,每天更新前沿医学资讯和指南共识,每周推出至少1场专业直播,不时共享科研干货,入群即可获得100份SCI写作攻略!

    0

  8. 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    2021-04-23 yangchou

    好文章,值得一读。

    0

  9. 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    2021-04-23 肿肿

    机制研究离临床仍然有距离,不过与临床结合思考,仍然有帮助的,不能仅仅是纯临床思维,转化思维同样重要

    0

  10. 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    2021-04-23 随梦飞扬

    ,在慢性酸反流时,上皮细胞会重新激活Hedgehog (Hh) 信号通路(Hh信号分子是一种由信号细胞所分泌的局域性蛋白质配体,作用范围很小,一般不超过20个细胞。

    0

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研究人员通过果蝇遗传学、免疫染色、活动目标影像、热遗传学等研究结果,阐明了细胞与细胞建立新连接的机制。研究将有利于人们进一步了解细胞迁移和细胞迁移后的机制,对研究正常发育过程和癌症转移机制有重要意义。

Nat Nanotechnol:研究揭示细胞远距离通讯的新机制

根据芝加哥伊利诺伊大学研究人员的新发现,细胞外的囊泡(细胞释放的纳米颗粒)可以像汽车在车流中进进出出那样快速移动,在细胞外充满障碍物的环境中导航,可作为治疗疾病(如肺损伤和癌症)的关键第一步。

CAR-T治疗复发B细胞急性淋巴细胞白血病患儿获得完全缓解

2020年5月27日,CAR-T治疗已9个半月的小夏再次复查,骨髓呈持续完全缓解状态。

Nature:细胞的精明超乎想象,根据微环境改变来调整自身能量供给!

一般来说,细胞微环境的改变会影响细胞的生长发育、形态变化等,而且这些行为都需要消耗能量,但少有人研究,细胞究竟是如何根据微环境的改变而调整自身的能量使用。近日,UT西南医学中心的研究者们利用人体肺癌细胞对该问题展开研究,结果发表在《Nature》期刊上。

Prostate Cancer P D:通过CRISPR失活CDKN2A位点和端粒酶的表达实现人原代前列腺上皮细胞永生化

在没有DNA肿瘤病毒蛋白或p16INK4A敲除的情况下,仅用hTERT表达的原代前列腺上皮细胞(PrEC)永生化效率非常低。

Behavioural Brain Research:严重抑郁障碍中的辅助T细胞17和IFN-γ阳性Th17细胞循环

抑郁症的动物模型报告了T辅助17(Th17)和T辅助1(Th1)细胞水平升高,同时T调节(Treg)细胞百分比降低。 然而,在研究重度抑郁症(MDD)中的Th17细胞的临床研究结果中存在歧义。 尚无研

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论文解读|Bin Zhang/Baogui Zhang教授团队揭示IL-13/IL-13RA2促进结直肠癌干细胞肿瘤形成的新机制

这项研究揭示了IL-13/IL-13RA2信号通路如何通过诱导p53的泛素化降解,促进结直肠癌干细胞(CRC-CSCs)的肿瘤发生,为CRC治疗提供了新的潜在靶点。

Science重磅:长出头发和皮肤修复,都离不开这种常见的维生素!

Science:维生素A是调节谱系可塑性的关键调节因子。即通过控制维生素A的浓度能够协调毛囊干细胞的谱系可塑性,从而引导干细胞实现伤口愈合或毛发生长,对再生医学、伤口修复和癌症治疗具有重要意义。

霍德生物iPSC细胞治疗产品IND获批,全球干细胞治疗缺血性卒中临床试验梳理!

缺血性卒中一直是干细胞治疗的研究热点。我们从细胞种类、细胞剂量、干预时间窗、给药的路径和和疾病进程等多方面进行全球临床试验梳理,希望带给研究者更多的思考。

Adv Mater:东南大学张薇/陈佳林团队多组学解析蚕丝蛋白对干细胞功能调节和组织再生修复的效应和机制

该研究首次采用多组学测序全面解析了蚕丝蛋白介导的细胞响应及分子机制,在深入的高通量分子水平上揭示蚕丝材料-干细胞相互作用,为蚕丝材料在组织工程和干细胞治疗领域的应用提供更加全面的见解。

同为细胞治疗,干细胞和免疫细胞有何异同?

同为细胞治疗,干细胞和免疫细胞有何异同?

从干细胞到类器官,我们还面临那些挑战

干细胞诱导形成器官,就类似于调制一杯鸡尾酒,还有很长的路要走 。