TGIF1-Twist1 axis in pancreatic ductal adenocarcinoma.

TGIF1-Twist1 axis in pancreatic ductal adenocarcinoma.
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DOI:
10.1016/j.csbj.2020.09.023
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发表时间:
2020
影响因子:
6
通讯作者:
Atfi A
Atfi A
中科院分区:
生物学2区
文献类型:
--
作者:
Razzaque MS;Atfi A

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甘油三酯相互作用因子1通过多水平抑制转化生长因子-β信号转导通路,抑制转化生长因子-ββ信号转导。TGIF1活性对于正常的胚胎发育和器官发育是重要的,但它的失调可能导致肿瘤的发生。例如,在三阴性乳腺癌患者中,TGIF1的表达增加与预后不良相关,TGIF1的增强表达促进了Wnt驱动的乳腺肿瘤的发生,提示TGIF1可能作为一种癌蛋白发挥作用。非常令人惊讶的是,TGIF1最近被证明在胰腺导管腺癌(PDAC)中发挥肿瘤抑制作用,可能是因为它能够拮抗致癌转录因子Twist1。在本文中,我们将简要阐述TGIF1独特的肿瘤抑制功能及其与Twist1在PDAC发病和进展中的功能相互作用的生物学和临床意义。
TG-interacting factor 1 (TGIF1) exerts inhibitory effects on transforming growth factor-beta (TGF-β) signaling by suppressing Smad signaling pathway at multiple levels. TGIF1 activity is important for normal embryogenesis and organogenesis, yet its dysregulation can culminate in tumorigenesis. For instance, increased expression of TGIF1 correlates with poor prognosis in triple-negative breast cancer patients, and enforced expression of TGIF1 facilitates Wnt-driven mammary tumorigenesis, suggesting that TGIF1 might function as an oncoprotein. Quite surprisingly, TGIF1 has recently been shown to function as a tumor suppressor in pancreatic ductal adenocarcinoma (PDAC), possibly owing to its ability to antagonize the pro-malignant transcription factor Twist1. In this article, we will briefly elaborate on the biological and clinical significance of the unique tumor-suppressive function of TGIF1 and its functional interaction with Twist1 in the context of PDAC pathogenesis and progression.
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