Diabetes Mellitus is associated with systemic inflammation and oxidative stress, which may play a central role in the development of diabetic complications. In this study, combined preparations of Kalanchoe pinnata and metformin were investigated to determine the effects on inflammatory activity in human skeletal muscle myoblasts (HSMMs) and human diabetic skeletal muscle myoblasts (DHSMMs). Results showed that combinatorial preparations sustained cell viability for 3 days in both HSMM and DHSMM cells. However, a significant decrease in cellular viability occurred for both cell lines on day 5. Results also indicate that combinatorial preparations of K. pinnata may modulate immune responses by significantly upregulating proinflammatory markers, interleukin (IL) 2, and tumor necrosis factor-alpha, and upregulating the anti-inflammatory marker, IL-10, in HSMM and DHSMM cells. The combined preparations significantly downregulated the anti-inflammatory glycoprotein IL-6 in both diabetic and nondiabetic human skeletal muscle cells. The findings suggest that combined preparations of K. pinnata and metformin might be a potential immune-modulating agent that may promote inflammation and adversely affect the outcome of diabetic patients.
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