MedSci专访韩忠朝:胎盘间充质干细胞研究的重要性

2014-06-20 MedSci MedSci原创

MedSci:韩教授,您好,非常感谢您能接受MedSci的采访,您今天在大会上的议题是“围产期干细胞--胎盘间充质干细胞的研究,能否请您跟我们简单介绍一下胎盘间充质干细胞目前的研究状况。 韩教授: 干细胞是一类具有自我复制能力及多向分化潜能的未分化或低分化的细胞,根据干细胞所处的发育阶段分为胚胎干细胞和成体干细胞。胚胎干细胞的发育等级较高,胎盘间充质干细胞具有强大的增值能力和多向分化能力,

 

第五届细胞治疗国际研讨会与6月20-21号在上海浦东喜来登由由酒店召开,本届将继续以转化医学为切入点,将基础研究与临床应用相结合,邀请国内外顶尖的细胞治疗基础研究和临床专家,针对细胞治疗伦理、细胞制品质量控制、肿瘤的树突状细胞(DC)治疗、T细胞过继免疫治疗、干细胞移植治疗、基因修饰化细胞治疗、微囊化细胞移植治疗等热门议题进行讨论。

MedSci现场采访韩忠朝教授 。

MedSci:韩教授,您好,非常感谢您能接受MedSci的采访,您今天在大会上的议题是“围产期干细胞--胎盘间充质干细胞的研究,能否请您跟我们简单介绍一下胎盘间充质干细胞目前的研究状况。

韩教授:

干细胞是一类具有自我复制能力及多向分化潜能的未分化或低分化的细胞,根据干细胞所处的发育阶段分为胚胎干细胞和成体干细胞。胚胎干细胞的发育等级较高,胎盘间充质干细胞具有强大的增值能力和多向分化能力,相较于其他干细胞来源方便,过去大部分胎盘都会被丢弃,而现在我们从胎盘提取间充质干细胞进行保护,并且是宝贵的生命资源再生,胎盘间充质干细胞不仅来源方便,细胞数目充足,很容易分离、培养、扩增,所以近几年胎盘间充质干细胞越来越受广大科研者的关注。在胚胎间充质干细胞的研究中,我们也是走在世界的前列,我们建立了全球第一个脐带干细胞库,胚胎干细胞治疗2型糖尿病的报告也是全球首发的报告。

MedSci:我们知道干细胞在临床研究有非常严格要求,细胞必须来自质量控制过关的实验室,即使耗费大量经费也不能贸然直接用于患者。关于干细胞的临床研究和干细胞技术产业的转化,您能否跟我们分享一下您的意见呢?

韩教授:

干细胞在临床研究以及干细胞技术产业的转化中安全性非常重要。国内国外做的不错,但很多事情没有做到位,存在很多的安全风险。我们必须建立严格控制的标准化干细胞培养操作流程,在干细胞应用与临床之前,必须进行细菌,真菌,支原体等安全检测以及保证实验的可重复性,以保证其安全的应用与人体。

MedSci:您长期工作在临床和科研第一线,在干细胞技术产业转化和干细胞临床研究方面做出了很大的贡献,并且在Science,Lancet,Blood等国际顶级期刊发表很多文章,也请韩教授就如何发表高质量SCI论文跟我们分享一下您的经验。

韩教授:

发表论文是必要的,但不能为了发表论文而发表,首先我们要改变观念,努力学习新知识,从中找到自己的兴趣,然后深入进去,发表一篇好的文章首先要有广度和深度,社会意义要大,其次是我们的研究到底能不能改变人类的生活,使人们生活的更好,其实,发表文章只是一小步,难的是将基础研究应用与临床并且使其产业化,整个科技的进步也就是不断的转化,只有这样才能使科学进步。

MedSci:在干细胞技术产业转化和干细胞临床研究方面做出了很大的贡献,也是这方面的专家,能否和我们分享一下您和您的团队的研究方向吗?

韩教授:

我们团队现在着重胎盘的干细胞工业生产的工程技术,制药方向(产业转化),最后我再强调一下围产期干细胞太重要了,千万不要把胎盘浪费掉,一定要保留起来。

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    2015-02-11 mgqwxj
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    2014-06-21 liuyong2981
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eLife:景乃禾等发现多能干细胞向神经命运决定的新机制

6月14日,国际学术期刊eLife 在线发表了中国科学院上海生命科学研究院生物化学与细胞生物学研究所景乃禾研究组的最新研究成果The transcription factor Pou3f1 promotes neural fate commitment via activation of neural lineage genes and inhibition of external signali

BioRes Open Access:内耳干细胞有望用于恢复听力

螺旋神经节细胞对听觉至关重要,其在内耳的不可逆变性常见于大多数类型的听力损失中。成年螺旋神经节细胞不能再生,然而,在小鼠模型中新的证据表明,存在于内耳的螺旋神经干细胞能够自我更新,并能生长和诱导分化成成熟的螺旋神经节细胞以及神经元和神经胶质细胞。一项新研究得出这样的结论:螺旋神经节干细胞表现出的自我更新特性,使它们成为再生内耳神经结构疗法所需的替换细胞的潜在来源。这些发现特别有意思,因为研究表明,

Cancer Cell:白血病干细胞为何难以清除

上海交通大学医学院细胞分化和凋亡教育部重点实验室医学干细胞课题组科研人员新近研究发现,急性淋巴细胞白血病干细胞通过建造新的骨髓微环境(niche),搭建“临时庇护所”以逃避化疗。最新一期《癌细胞》杂志发表了相关研究论文。 化疗难以清除骨髓中的白血病干细胞,因此导致白血病容易复发。因此,回答“化疗开始后骨髓中到底发生了什么”等问题,对发展白血病治疗新策略非常重要。 该课题组成

Nature:备受质疑的意大利干细胞疗法

本文作者之一、意大利干细胞研究员Elena Cattaneo 6月17日出版的英国《自然》杂志上,意大利科学家发表的一篇评论文章认为,有时候研究者必须离开实验室和办公室的舒适环境,向伪科学宣战同时也是为证据的胜利而战,哪怕为此付出代价。他们的文章分享了该国研究人员与“意大利可疑干细胞疗法事件”做斗争的经验和观点,他们的行为亦成为近年来国际干细胞研究领域的重要事件。 意大利 Stamin

Nano Lett:新型“纳米补丁”或可促进干细胞增殖分化 助力再生医学研究

近日,来自伦敦大学玛丽女王学院(Queen Mary University of London)的研究人员通过研究发现,可以通过控制干细胞定殖生长的材料的特性来对干细胞的行为进行特定修饰,这对于开发新型再生医疗以及组织工程学技术提供了一定的希望,相关研究成果刊登于国际杂志Nano Letters上。干细胞非常特殊,因为其对于我们机体器官和组织正常功能的发挥非常必要;此前研究揭示干细胞可以在坚硬的表

Nature:基因数据表明STAP细胞并不存在

若山照彦声称,STAP细胞争议论文的合作者小保方晴子偷换了在实验中创造的干细胞。 两篇发表于《自然》杂志的关于一种可将成熟细胞转化为干细胞的新方法的争议性论文被指控存在数据篡改和捏造问题。现在,论文共同作者提供的基因数据显示,这种方法所获得的细胞并非研究小组声称的那样。该说法也得到了另一个来源的支持——用这种方法制造的 STAP 细胞(由刺激触发的多能性获得细胞)也许不过是普通的胚胎干细胞。