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OncoImmunology:广州生物院在肺癌CAR-T细胞临床前评估研究中取得进展

2017-03-20 佚名 广州生物院

癌症免疫治疗法曾被《科学》(Science)杂志评为2013年十大科学突破,并位居榜首。近年来,嵌合抗原受体T细胞(CAR-T细胞)在B-ALL等白血病的治疗效果特别显着,CAR-CD19已经进入临床试验阶段。因此,CAR-T细胞在实体瘤上的研究应用也紧随其后。



NSCLC的PDX模型验证CAR-PSCA和CAR-MUC1 T杀伤作用

癌症免疫治疗法曾被《科学》(Science)杂志评为2013年十大科学突破,并位居榜首。近年来,嵌合抗原受体T细胞(CAR-T细胞)在B-ALL等白血病的治疗效果特别显着,CAR-CD19已经进入临床试验阶段。因此,CAR-T细胞在实体瘤上的研究应用也紧随其后。

3月16日,中国科学院广州生物医药与健康研究院李鹏研究组在国际学术期刊OncoImmunology上发表题为PSCA and MUC1 in non-small-cell lung cancer as targets of chimeric antigen receptor T cells 的研究成果,在体外肺癌细胞系以及肺癌病人来源的异种移植模型中,验证了CAR-PSCA和CAR-MUC1嵌合抗原受体T细胞的有效性和特异性。

李鹏研究组通过在体外对肺癌细胞系进行杀伤实验,验证了研究组构建的分别针对靶点PSCA 和MUC1抗原的CAR-T细胞杀伤的有效性和特异性。进一步,研究组又构建了一些原代的非小细胞肺癌病人(Non-small-cell lung cancer, NSCLC)的异种移植模型(Patient Derived Xenografted model,PDX),证明了其与人体病理微环境的相似性。研究发现,PDX模型可重建原代肿瘤的细胞形态和表面分子标记物等。

该研究进一步利用PDX模型,在体内证明了CAR-PSCA和CAR-MUC1嵌合抗原受体T细胞可以有效抑制PDX模型中肿瘤的生长速度,而且CAR-PSCA和CAR-MUC1 T细胞联合使用后,对肿瘤生长的抑制程度更加明显。

该研究为NSCLC的治疗提供了新CAR-T的治疗靶点,以及联合两种或多种CAR-T细胞的治疗策略,具有重要的临床前应用价值。该研究获得中科院干细胞先导专项、国家自然科学基金、广东省自然科学杰出青年基金等项目的资助。

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  1. [GetPortalCommentsPageByObjectIdResponse(id=1781149, encodeId=5c921e8114901, content=<a href='/topic/show?id=8ce8405907' target=_blank style='color:#2F92EE;'>#CAR-#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=60, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4059, encryptionId=8ce8405907, topicName=CAR-)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=8e886, createdName=仁者大医, createdTime=Fri Sep 01 18:43:00 CST 2017, time=2017-09-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=181939, encodeId=e6091819398c, content=学习一下, beContent=null, objectType=article, channel=null, level=null, likeNumber=97, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo6KcicAVC1MwuOgo3iaicb1Imgk1yIfnvr6oXzibcAFB6puAyNJXbzWhNuLqaFYBVRWjh7rghkvFLPxMAfD5ib3nXwVD/0, createdBy=bed21972958, createdName=wxl882001, createdTime=Wed Mar 22 12:20:49 CST 2017, time=2017-03-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=181474, encodeId=a33b1814e453, content=学习新知识谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=100, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/mONcle9pic3zMoyicyo6ia9f4IuLQAwZoxD6Hx4ibd5CMcOCYhStY6oDibbKK6O2X8iaicldO5ib8j1iapOIobIKCGiczU2A/0, createdBy=56251941490, createdName=虈亣靌, createdTime=Mon Mar 20 19:06:44 CST 2017, time=2017-03-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=181464, encodeId=ea23181464f9, content=该研究进一步利用PDX模型,在体内证明了CAR-PSCA和CAR-MUC1嵌合抗原受体T细胞可以有效抑制PDX模型中肿瘤的生长速度,而且CAR-PSCA和CAR-MUC1 T细胞联合使用后,对肿瘤生长的抑制程度更加明显。, beContent=null, objectType=article, channel=null, level=null, likeNumber=97, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=fd301464769, createdName=Albert Wu, createdTime=Mon Mar 20 17:53:05 CST 2017, time=2017-03-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=181448, encodeId=c22a181448c1, content=贾森基德你的并不多, beContent=null, objectType=article, channel=null, level=null, likeNumber=126, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/PiajxSqBRaEKXpC8j9TaoCpG4yIB3skibUZ0ricmVQ6KKIVpqYQxINrmlibsPZSia7GOUupzuINf8UITMib8awsjjkPw/0, createdBy=abbf1713451, createdName=zt123, createdTime=Mon Mar 20 16:10:16 CST 2017, time=2017-03-20, status=1, ipAttribution=)]
    2017-09-01 仁者大医
  2. [GetPortalCommentsPageByObjectIdResponse(id=1781149, encodeId=5c921e8114901, content=<a href='/topic/show?id=8ce8405907' target=_blank style='color:#2F92EE;'>#CAR-#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=60, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4059, encryptionId=8ce8405907, topicName=CAR-)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=8e886, createdName=仁者大医, createdTime=Fri Sep 01 18:43:00 CST 2017, time=2017-09-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=181939, encodeId=e6091819398c, content=学习一下, beContent=null, objectType=article, channel=null, level=null, likeNumber=97, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo6KcicAVC1MwuOgo3iaicb1Imgk1yIfnvr6oXzibcAFB6puAyNJXbzWhNuLqaFYBVRWjh7rghkvFLPxMAfD5ib3nXwVD/0, createdBy=bed21972958, createdName=wxl882001, createdTime=Wed Mar 22 12:20:49 CST 2017, time=2017-03-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=181474, encodeId=a33b1814e453, content=学习新知识谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=100, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/mONcle9pic3zMoyicyo6ia9f4IuLQAwZoxD6Hx4ibd5CMcOCYhStY6oDibbKK6O2X8iaicldO5ib8j1iapOIobIKCGiczU2A/0, createdBy=56251941490, createdName=虈亣靌, createdTime=Mon Mar 20 19:06:44 CST 2017, time=2017-03-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=181464, encodeId=ea23181464f9, content=该研究进一步利用PDX模型,在体内证明了CAR-PSCA和CAR-MUC1嵌合抗原受体T细胞可以有效抑制PDX模型中肿瘤的生长速度,而且CAR-PSCA和CAR-MUC1 T细胞联合使用后,对肿瘤生长的抑制程度更加明显。, beContent=null, objectType=article, channel=null, level=null, likeNumber=97, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=fd301464769, createdName=Albert Wu, createdTime=Mon Mar 20 17:53:05 CST 2017, time=2017-03-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=181448, encodeId=c22a181448c1, content=贾森基德你的并不多, beContent=null, objectType=article, channel=null, level=null, likeNumber=126, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/PiajxSqBRaEKXpC8j9TaoCpG4yIB3skibUZ0ricmVQ6KKIVpqYQxINrmlibsPZSia7GOUupzuINf8UITMib8awsjjkPw/0, createdBy=abbf1713451, createdName=zt123, createdTime=Mon Mar 20 16:10:16 CST 2017, time=2017-03-20, status=1, ipAttribution=)]
    2017-03-22 wxl882001

    学习一下

    0

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    2017-03-20 虈亣靌

    学习新知识谢谢分享

    0

  4. [GetPortalCommentsPageByObjectIdResponse(id=1781149, encodeId=5c921e8114901, content=<a href='/topic/show?id=8ce8405907' target=_blank style='color:#2F92EE;'>#CAR-#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=60, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4059, encryptionId=8ce8405907, topicName=CAR-)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=8e886, createdName=仁者大医, createdTime=Fri Sep 01 18:43:00 CST 2017, time=2017-09-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=181939, encodeId=e6091819398c, content=学习一下, beContent=null, objectType=article, channel=null, level=null, likeNumber=97, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo6KcicAVC1MwuOgo3iaicb1Imgk1yIfnvr6oXzibcAFB6puAyNJXbzWhNuLqaFYBVRWjh7rghkvFLPxMAfD5ib3nXwVD/0, createdBy=bed21972958, createdName=wxl882001, createdTime=Wed Mar 22 12:20:49 CST 2017, time=2017-03-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=181474, encodeId=a33b1814e453, content=学习新知识谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=100, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/mONcle9pic3zMoyicyo6ia9f4IuLQAwZoxD6Hx4ibd5CMcOCYhStY6oDibbKK6O2X8iaicldO5ib8j1iapOIobIKCGiczU2A/0, createdBy=56251941490, createdName=虈亣靌, createdTime=Mon Mar 20 19:06:44 CST 2017, time=2017-03-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=181464, encodeId=ea23181464f9, content=该研究进一步利用PDX模型,在体内证明了CAR-PSCA和CAR-MUC1嵌合抗原受体T细胞可以有效抑制PDX模型中肿瘤的生长速度,而且CAR-PSCA和CAR-MUC1 T细胞联合使用后,对肿瘤生长的抑制程度更加明显。, beContent=null, objectType=article, channel=null, level=null, likeNumber=97, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=fd301464769, createdName=Albert Wu, createdTime=Mon Mar 20 17:53:05 CST 2017, time=2017-03-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=181448, encodeId=c22a181448c1, content=贾森基德你的并不多, beContent=null, objectType=article, channel=null, level=null, likeNumber=126, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/PiajxSqBRaEKXpC8j9TaoCpG4yIB3skibUZ0ricmVQ6KKIVpqYQxINrmlibsPZSia7GOUupzuINf8UITMib8awsjjkPw/0, createdBy=abbf1713451, createdName=zt123, createdTime=Mon Mar 20 16:10:16 CST 2017, time=2017-03-20, status=1, ipAttribution=)]
    2017-03-20 Albert Wu

    该研究进一步利用PDX模型,在体内证明了CAR-PSCA和CAR-MUC1嵌合抗原受体T细胞可以有效抑制PDX模型中肿瘤的生长速度,而且CAR-PSCA和CAR-MUC1 T细胞联合使用后,对肿瘤生长的抑制程度更加明显。

    0

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    2017-03-20 zt123

    贾森基德你的并不多

    0

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提高肺癌早诊早筛 加快建立规范诊疗流程

据国家癌症中心数据显示,2015年,我国新增癌症患者429万,死亡人数超过280万。癌症如此高的发病率和死亡率,引起了国家和全社会的高度关注,因病致贫、因癌返贫的现象,不单单是医疗问题,已经成为社会共同关注的热点问题。中国抗癌协会科普宣传部部长、首都医科大学宣武医院胸外科主任支修益教授近日接受新华网专访时表示,国务院在《健康中国2030规划纲要》中提出到2030年,实现总体癌症5年生存率提高15。

如何治疗肺癌更有效?

目前,一种把放射治疗和免疫系统检查点(ICPIs)相结合的治疗方法证明对胸腔内肿瘤更加有效,研究结果在 2017 年多学科胸癌症研讨会中发布。肿瘤细胞中的蛋白质会破坏身体自身免疫系统抗击疾病的能力,一种治疗方法就是使用 ICPIs,通过阻隔这些蛋白质来阻止癌细胞的生长,这样的话,免疫细胞不会受到伤害,可以正常的攻击疾病。然而,这种治疗方法的一个缺点就在于,在免疫细胞消灭肿瘤细胞的同时,健康

Sci Rep:mRNA剪接相关基因的变异与肺癌相关!

mRNA剪接是调节mRNA表达的重要机制。这个过程的异常调节可能导致肺癌的发生。近期,一项发表在杂志Sci Rep上的研究调查了206 mRNA剪接相关基因与肺癌风险关联的11,966个单核苷酸多态性(SNPs)。研究者们从六个已发表的肺癌(TRICL)跨学科全基因组关联研究(GWASs)(12,160例病例和16,838例对照),另外两个哈佛大学的肺癌GWAS(984例病例和970例对照)以及d

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