Resistin enhances angiogenesis in osteosarcoma via the MAPK signaling pathway

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Title:	Resistin enhances angiogenesis in osteosarcoma via the MAPK signaling pathway
Authors:	Ts, Hsiao-Chi;Tsai, Hsiao-Chi;Ch, Shih-Ping;Cheng, Shih-Ping;韓建國;Han, Chien-Kuo;黃元勵;HUANG, YUAN-LI;Wan, Shih-Wei;Wang, Shih-Wei;Lee, Jie-Jen;Lee, Jie-Jen;Lai, Cheng-Ta;Lai, Cheng-Ta;Fong, Yi-Chin;Fong, Yi-Chin;湯智昕;Chih-Hsin, Tang
Contributors:	醫學檢驗暨生物技術學系
Keywords:	MAPK;VEGF-A;angiogenesis;osteosarcoma;resistin.
Date:	2019-11
Issue Date:	2020-09-01 06:48:14 (UTC+0)
Publisher:	亞洲大學
Abstract:	Over the last two decades, there have been no significant changes in patient outcomes in relation to the treatment of osteosarcoma, an aggressive malignant neoplasm. It is known that vascular endothelial growth factor-A (VEGF-A) plays a crucial role in angiogenesis and in osteosarcoma. Moreover, VEGF-A expression correlates with clinical stages of osteosarcoma. The adipokine resistin exhibits proinflammatory, proangiogenic and metastatic properties, and evidence suggests that resistin may serve as a prognostic biomarker linking obesity and inflammation to cancer. However, whether resistin has a role in osteosarcoma angiogenesis is unclear. This investigation shows that resistin promotes VEGF-A expression in human osteosarcoma cells and activates the extracellular signal-regulated kinase (ERK), c-Jun N-terminal kinase (JNK) and p38 signaling pathways, while ERK, JNK, and p38 inhibitors or their small interfering RNAs (siRNAs) inhibit resistin-induced VEGF-A expression as well as endothelial progenitor cell (EPC) migration and tube formation. We also found that resistin upregulates VEGF-A expression by enhancing activation of the transcription factor nuclear factor-kappa B (NF-κB). Finally, resistin promotes angiogenesis in the chick chorioallantoic membrane (CAM) model. Resistin appears to be a promising target for human osteosarcoma.
Relation:	Aging-US
Appears in Collections:	[Department of Medical Laboratory Science and Biotechnology] Journal Article

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