Abstract
In the myoblasts differentiation process of C2C12 cells, it is imperative to research the expression and synthesis of the myogenic regulatory factors in extremely low-frequency pulsed electromagnetic fields (ELF-PEMFs) exposure. In the present study, using a cell cultivation method of C2C12 cells, the subcultured cells were divided into control and ELF-PEMF treated: A (0[Formula: see text]mT), B (0.5[Formula: see text]mT), C (1.0[Formula: see text]mT) and D (1.5[Formula: see text]mT) groups for five consecutive days training. Furthermore, cells were analyzed using immunochemical staining to detect the cell phenotypic changes, and RT-PCR and Western blot were used to test the expression levels of the myogenic regulatory factor D (MyoD) and the myogenic regulatory factor 5 (Myf5) genes and proteins synthesis in the process of myblasts differentiation. The results indicated that compared with the control group, different intensities of extremely low-frequency pulse electromagnetic fields could induce myoblast nuclear fusion, amplify MyoD and Mfy5 expression, and particularly the 1.5[Formula: see text]mT group at the 5th day exhibited the highest expression of these genes. Our study can pave a way for the development of a non-invasive and effective clinical prevention and treatment strategy in serious disorders like skeletal muscle atrophy.
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