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International Journal of Surgery ; (12): 139-144, 2016.
Article in Chinese | WPRIM | ID: wpr-489593


Epithelial-mesenchymal transition is not only involved in generating normal embryonic development of organs and tissues,but also helps to improve cancer cell invasion and metastasis.When epithelial-nesenchymal is stimulated,cell-cell adhesion and cell polarity are disrupted by disappearance of adhesion molecules such as Ecadherin,resulting in the acquisition of a mesenchymal phenotype.Consequently,cells which have acquired mesenchymal function activate the migratory and invasion capability in cancer.Studies have shown that part of the transcription factors,growth factors and signaling pathways involved in epithelial-nesenchymal process,and miRNA may participates in the proliferation,apoptosis,invasion and metastasis of gastric cancer cells by regulating oncogenes or tumor suppressor genes,which also relates to the regulation of epithelial-nesenchymal.This article will be reviewed in recent years specific miRNA regulatory mechanisms of gastric cancer epithelial-nesenchymal.

International Journal of Surgery ; (12): 66-69, 2016.
Article in Chinese | WPRIM | ID: wpr-489586


Histone methyltransferase SMYD3 (SET and MYND domain containing 3) is a protein which has the function of histone methylation found in recent years,it has an important role in transcriptional regulation.The research shows that SMYD3 inhibit apoptosis and promote cell proliferation,invasion and metastasis.More and more data shows SMYD3 highly expressed in liver cancer and is low in normal tissues which is even undetectable.SMYD3 level was significantly associated with prognosis,and gene silencing experiments in SMYD3 tumor cell growth was inhibited.Therefor,SMYD3 is closely related with the development and prognosis of HCC occurrence,which suggests that people can suppress the expression SMYD3 to block tumor cell growth,migration and improve prognosis to provide new goals and direction for the future of cancer treatment.

Chinese Journal of Digestive Surgery ; (12): 751-754, 2016.
Article in Chinese | WPRIM | ID: wpr-497810


MicroRNA (miRNA) is an endogenous nonprotein-coding short-chain RNA,and it involves in the evolution of a variety of malignant tumors through targeted inhibition of mRNA translation or mRNA cleavage of gene expression regulation cancer or tumor suppressor genes,meanwhile,is also an important molecule in the occurrence and development processes of tumor.In the recent studies,miRNA has played an important role in the proliferation,apoptosis and invasion of cholangiocarcinoma cells,and it maybe become a new biomarker for the early diagnosis,assessment of prognosis and chemotherapy of cholangiocarcinoma.