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题目:: Inhibition of activated Ras suppresses multiple oncogenic Hub genes in human epithelial tumors.
作者:: Cao(Lei),Wang(Ping),Luo(Hui),Wang(Xi-Rui),Wang(Xie-Feng),Zhang(Jun-Xia),Wang(Ying-Yi),Yao(Lei),Liu(Ning),You(Yong-Ping)
状态:: 发布时间2014-09-05 , 更新时间 2014-09-05
期刊:: Int J Oncol
摘要:: Cancer cells may involve diverse mutations, but they often rely on continued expression of a single oncoprotein for survival, as a response to targeting this protein. Generally, Ras is overexpressed in human epithelial tumors and cancellation of activated Ras inhibits carcinoma cell proliferation and differentiation ability, and induces apoptotosis of tumor cells. However, the mechanisms of inhibition of activated Ras that suppress the malignancy activity of human epithelial tumors remain to be illuminated. We utilized text-mining of MEDLINE abstracts with natural language processing to establish the Ras biologic association network, and identified several interactions of this network with the Ras pathway. Our investigation not only examined the expression of Ras and Hub genes (PIK3CA, MDM2, CCND1, EGFR, JUN, MYC, VEGFA, ERK1 and ERK2) but also confirmed inhibition of activated Ras reduced expression of multiple oncogene in vitro studies. Our studies provide strong support for the conclusion that cancellation of activated Ras specifically regulates defective Ras pathways in human tumor cells.
语言:: eng
DOI:: 10.3892/ijo.2014.2532

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