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首页> 外文期刊>Cancer Cell >A case of mistaken identity? Nonductal origins of pancreatic 'ductal' cancers.
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A case of mistaken identity? Nonductal origins of pancreatic 'ductal' cancers.

机译:遇错身份?胰腺“导管”癌的非导管起源。

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摘要

In this issue of Cancer Cell, Guerra and colleagues provide important new insights regarding the ability of specific pancreatic cell types to generate invasive pancreatic cancer. First, they demonstrate that classical pancreatic "ductal" neoplasia can be induced by activation of oncogenic Kras in nonductal exocrine cells. Second, they show that, while Kras activation in immature acinar and centroacinar cells is readily able to induce ductal neoplasia, Kras-mediated tumorigenesis in mature exocrine pancreas requires the induction of chronic epithelial injury. The results shed new light on the "cell of origin" of pancreatic ductal cancer and demonstrate that chronic pancreatitis provides a permissive environment for Kras-induced pancreatic neoplasia.
机译:在本期《癌细胞》中,Guerra及其同事提供了有关特定胰腺细胞类型产生侵袭性胰腺癌的能力的重要新见解。首先,他们证明了经典的胰腺“导管”肿瘤可以通过非导管外分泌细胞中致癌性Kras的激活来诱导。其次,他们表明,虽然未成熟的腺泡和中央棘突细胞中的Kras活化很容易诱导导管瘤形成,但成熟的外分泌胰腺中Kras介导的肿瘤发生需要诱导慢性上皮损伤。结果为胰腺导管癌的“起源细胞”提供了新的思路,并证明了慢性胰腺炎为Kras诱导的胰腺肿瘤形成提供了一种允许的环境。

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