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Nat Cell Biol:重磅!可能用于胰腺癌治疗新方法

2017-04-19 枫丹白露 medicalxpress

【什么促使胰腺癌细胞如此活跃?】胰腺癌是最具侵袭性的肿瘤类型之一,因为它早期开始形成转移。然而,癌症本身通常只被发现得很晚,进而导致了较高的病人死亡率。弗里德里希亚力山大大学(FAU)的研究人员现在已经发现为什么胰腺癌和其他恶性肿瘤类型可以如此迅速地传播。研究结果现已发表在著名的《自然细胞生物学》杂志上。由Thomas Brabletz博士和实验医学主席Marc Stemmler博士领导的FAU研

什么促使胰腺癌细胞如此活跃?

胰腺癌是最具侵袭性的肿瘤类型之一,因为它早期开始形成转移。然而,癌症本身通常只被发现得很晚,进而导致了较高的病人死亡率。

弗里德里希亚力山大大学(FAU)的研究人员现在已经发现为什么胰腺癌和其他恶性肿瘤类型可以如此迅速地传播。研究结果现已发表在著名的《自然细胞生物学》杂志上。

由Thomas Brabletz博士和实验医学主席Marc Stemmler博士领导的FAU研究人员与医学系血液与肿瘤学,大学外科学系Erlangen的外科系和遗传学主席合作在研究发现了这种侵略性类型的肿瘤激活了胚胎程序的关键因素。这个称为Zeb1的因子控制细胞如何在早期胚胎发育过程中迁移和存活。正常,完全发育的细胞中,Zeb1被阻断。但是,当这个因素在癌细胞中被重新激活时,它具有致命的后果:肿瘤细胞会遍布全身,迅速适应新环境中不断变化的状况。然后它们可以发展成转移并形成继发性肿瘤。癌症呈积极发展态势。

然而,如果Zeb1没有被激活,癌细胞就不能再容易地适应他们的新环境。这又导致胰腺癌变体的发展,其具有显着更低的转移能力。在其他肿瘤中也观察到这种机制,例如乳腺癌的侵略性形式。研究人员现在希望这些发现将有助于他们开发新的治疗策略,以对抗胰腺癌和其他侵袭性肿瘤的转移。

原始出处:

Krebs AM, Mitschke J, Losada ML, et al. The EMT-activator Zeb1 is a key factor for cell plasticity and promotes metastasis in pancreatic cancer. Nat Cell Biol. 2017 Apr 17.

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    2018-01-24 sunylz
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    2017-12-26 liye789132251
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    2017-08-18 维他命
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    2017-04-21 xxxx1054

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