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Cox-2 promotes mesenchymal stem cells differentiation into cardiocytes by activating JNK and ERK pathway.

Coronary heart disease and various cardiomyopathys may cause myocardial damage, reducing the number of myocardial cells with complete functions. Cyclooxygenase 2 (Cox-2) has been reported participating in a variety of pathological processes, including tumor invasion and metastasis. In this study, we sought to explore the correlation of Cox-2 with MSCs proliferation, and migration. MSCs were transfected with pcDNA-Cox2 and NS-398 to promote or inhibit the expression of Cox2. Then, MTT, transwell, qRT-PCR and western blot were used to test the influence of Cox2 on cells proliferation, cells migration and cell viability of mesenchymal stem. The results show that Cox-2 promotes directional differentiation of myocardial cells and the overexpression of cox-2 can activate the key factors of JNK and ERK signaling pathway, promotes myocardial cell directional differentiation.

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