Nat Commun:胰岛素瘤或将告别手术

2014-01-14 黄辛 中国科学报

1月6日,记者从上海交大医学院附属瑞金医院获悉,该院内分泌科宁光、王卫庆带领的研究团队在对胰岛素瘤病人的研究中发现病因,并已找到针对性的药物,今后胰岛素瘤患者有望告别手术,仅需药物治疗即可。相关论文日前在《自然—通讯》上发表。 胰岛素瘤是由胰岛细胞增生引起的一种肿瘤,和乔布斯所患的胰腺神经内分泌瘤属同一类疾病,此病患者容易产生头晕、冷汗、昏迷等低血糖症状甚至精神症状。以往针对此病的治疗方法就是手

1月6日,记者从上海交大医学院附属瑞金医院获悉,该院内分泌科宁光、王卫庆带领的研究团队在对胰岛素瘤病人的研究中发现病因,并已找到针对性的药物,今后胰岛素瘤患者有望告别手术,仅需药物治疗即可。相关论文日前在《自然—通讯》上发表。【原文下载

胰岛素瘤是由胰岛细胞增生引起的一种肿瘤,和乔布斯所患的胰腺神经内分泌瘤属同一类疾病,此病患者容易产生头晕、冷汗、昏迷等低血糖症状甚至精神症状。以往针对此病的治疗方法就是手术切除。然而胰腺手术创伤大、恢复慢,风险很高。

阴阳基因是广泛存在于人和动物细胞核内的双重转录因子,在恶性肿瘤的发生、发展和转移中起到重要作用。瑞金医院科研人员在对胰岛素瘤病人进行肿瘤二代测序的过程中,发现30%的病人是因为“阴阳基因”中同一个位点T327R发生了突变而致病的,这不但首次揭示了YY1基因对于胰岛细胞瘤发生的重要作用,还可用于揭示胰岛细胞瘤的分型诊断,并为寻找药物治疗的靶点找到方向。

据专家介绍,此前有研究发现,药物依维莫司对部分胰岛细胞瘤有效,但并不明确原因。“这次发现提供了依维莫司在胰岛细胞瘤中的药物作用靶点,将加快推进依维莫司在临床上进行靶向治疗胰岛素瘤的进程。”该团队研究人员曹亚南博士表示,“胰岛细胞的增生和减少引起的正是胰岛素瘤和糖尿病,此次研究揭示了阴阳基因在胰岛细胞中的作用,不但可以治疗胰岛素瘤,将来也可能为糖尿病的治疗提供潜在治疗靶点。”

原文出处

Cao Y, Gao Z, Li L, Jiang X, Shan A, Cai J, Peng Y, Li Y, Jiang X, Huang X, Wang J, Wei Q, Qin G, Zhao J, Jin X, Liu L, Li Y, Wang W, Wang J, Ning G.Whole exome sequencing of insulinoma reveals recurrent T372R mutations in YY1.Nat Commun. 2013 Dec 10【原文下载

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    2014-05-05 baoya
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    2014-10-05 liye789132251
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    2014-04-04 liuli5079
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