With the change of production and life style, the change of dietary structure and the aggravation of population aging, the incidence and fatality rate of diabetes mellitus have been increasing year by year. The pathogenesis of diabetes varies and is closely related to many factors, such as genetic factors, environmental factors, eating habits and so on. Those that endanger the life quality and survival of diabetic patients are mostly complications, including various macrovascular complications and microvascular complications, such as diabetic cardiomyopathy, diabetic nephropathy, diabetic encephalopathy and diabetic foot. The related molecular mechanisms of the pathogenesis of diabetic nephropathy, diabetic retinopathy and diabetic foot are discussed in this paper to provide reference for new drug research and clinical treatment.
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