Cannabidiol improves glucose utilization and modulates glucose-induced dysmetabolic activities in isolated rats' peripheral adipose tissues
Abstract
Reduced glucose uptake and utilization, with concomitant lipolysis in adipose tissues has been linked to the pathogenesis of obesity and its complications. The present study investigated the effect of cannabinoid-stimulated glucose uptake on redox imbalance, glucose and lipid metabolisms, as well as cholinergic and purinergic dysfunctions in isolated rats' adipose tissues. Freshly Isolated rats' adipose tissues were incubated with glucose and different concentrations of cannabidiol for 2 h at 37 °C. The negative control consisted of incubation without cannabidiol, while normal control consisted of incubations without glucose and/or cannabidiol and Metformin served as the standard drug. Cannabidiol caused an increase in adipose-glucose uptake, with concomitant elevation of glutathione, triglyceride level, superoxide dismutase, catalase and 5'nucleoidase activities. It also caused suppression in malondialdehyde and cholesterol levels, acetylcholinesterase, ENTPDase, fructose-1,6-biphosphatase, glucose 6-phosphatase, glycogen phosphorylase, and lipase activities. In silico studies revealed a strong molecular interaction of cannabidiol with adipose triglyceride lipase, hormone-sensitive lipase, and monoglyceride lipase. These results indicate that cannabidiol-enhanced glucose uptake in adipose tissues is associated with enhanced antioxidative activities, concomitant modulation of cholinergic and purinergic dysfunctions, and improved glucose - lipid homeostasis.
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