Abstract
Increasing evidence in both experimental and clinical studies suggests that oxidative stress play a major role in the pathogenesis of type-2 diabetes mellitus (T2DM). Abnormally high levels of free radicals and the simultaneous decline of antioxidant defence mechanisms can lead to damage of cellular organelles and enzymes. Riboflavin constitutes an essential nutrient for humans and is also an important food additive for animals. It is a precursor of flavin mononucleotide (FMN) and flavin adenine dinucleotide (FAD) which serves as a coenzyme for several enzymes. The aim of this study was to observe the effects of illuminated and non-illuminated riboflavin in a diabetic mice model. The protocol included treatment of diabetic mice with illuminated RF and a control set without light. To our surprise, group receiving RF without light gave better results in a dose dependent manner. Significant amelioration of oxidative stress was observed with an increased glucose uptake in skeletal muscles and white adipose tissue. Histological studies showed recovery in the liver and kidney tissue injury. Cellular DNA damage was also recovered. Therefore, it is suggested that supplementation with dietary riboflavin might help in the reduction of diabetic complications. A possible mechanism of action is also proposed.
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