Abstract
Advanced glycation end-products (AGEs) from non-enzymatic glycation are implicated in several degenerative diseases, including being a crucial contributor in secondary complications of diabetes. This has garnered significant scientific interest in inhibiting agents of AGEs to prevent and remediate disorders arising due to glycation. In the current study, inhibitory effects on AGEs formation were investigated using bio-enzymatically synthesized nanoformulations of gold (AuNPs) and silver (AgNPs) by physiologically important enzyme, β galactosidase. Human serum albumin, most abundant protein in human blood plasma, was glycated by incubating with glucose leading to AGEs formation. The AGEs formation was significantly minimized with both AuNPs and AgNPs, as confirmed by various biophysical and biochemical techniques. Circular dichroism and Fourier transform infrared spectroscopy further affirmed antiglycation potential of AuNPs and AgNPs. The results were corroborated with thiol group, free lysine and carbonyl content estimation for native, glycated and nanoparticles (NPs) treated samples. Confocal microscopic imaging was performed to exhibit glycation inhibiting potential of the NPs. The inhibition of AGEs was observed to be slightly stronger in case of AgNPs than AuNPs with both exhibiting promising results as potential anti-glycating agents. The study sheds light on potential of non-toxic NPs being utilized as controlling agents against hyperglycemic conditions and diabetes management.
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