Role of transgelin-2 in diabetes-associated pancreatic ductal adenocarcinoma.
Role of transgelin-2 in diabetes-associated pancreatic ductal adenocarcinoma.
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Transgelin-2 在糖尿病相关胰腺导管腺癌中的作用
DOI:
10.18632/oncotarget.17519
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发表时间:
2017-07-25
期刊:
影响因子:
--
通讯作者:
Hu Y
中科院分区:
文献类型:
--
作者:
Sun Y;He W;Luo M;Zhou Y;Chang G;Ren W;Wu K;Li X;Shen J;Zhao X;Hu Y
Pancreatic ductal adenocarcinoma (PDAC) is an aggressive malignancy with poor prognosis. Diabetes is a significant risk factor for PDAC and >50% of PDAC patients have concomitant diabetes. How diabetes influences the initiation and progression of PDAC remains elusive. Here, we show that transgelin-2 is dominantly expressed in PDAC tissues compared with adjacent normal tissues. The high level of transgelin-2 indicates poor survival of patients with PDAC. Remarkably, transgelin-2 expression is correlated with diabetic status. Hyperinsulinemia is frequently observed in type 2 diabetes. Our results indicate that upregulation of transgelin-2 is induced by insulin via sterol regulatory element-binding protein (SREBP)-1-mediated transcription in PDAC cells. Transgelin-2 is a novel target of SREBP-1. Our data support a novel mechanism in diabetes-associated PDAC by which transgelin-2 mediates proliferation of PDAC cells upon insulin stimulation. The insulin/SREBP-1/transgelin-2 network should be further explored as a diagnostic marker or a novel therapeutic target for diabetes-associated PDAC.
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