Identification of Novel Piperidine and Pyrrolidine Derivatives as Potent Inhibitors of Pancreatic Lipase-Based Molecular Docking and In Vitro Testing by unknow

Author:unknow
Format: pdf
Tags: Obesity is a major global health concern associated with increased risks of chronic diseases and mortality. Inhibiting pancreatic lipase, a key enzyme in dietary fat absorption, presents a promising therapeutic approach. This study aimed to evaluate the inhibitory potential of piperidine derivatives (1 and 2) and pyrrolidine derivatives (3–13) against pancreatic lipase (PL) through both enzymatic assays and molecular docking simulations. Among the tested compounds, compound 12 demonstrated the highest PL inhibitory activity with IC50 0.143 0.001 mg/mL and the strongest binding energy (-8.24 kcal/mol), attributed to extensive hydrogen bonding with Gly76, Phe77, Asp79, and His151. Compounds 10 and 13 also exhibited notable inhibitory activity, attributed to their extensive hydrogen bond network with residues Gly76, Phe77, Asp79, and His151. Particularly the presence and position of hydroxy and carbonyl groups and the length of alkyl side chains critically influenced binding stability and specificity. These findings demonstrate that specific structural modifications in pyrrolidine derivatives significantly affect pancreatic lipase inhibition. Compound 12, with its optimal molecular architecture and interaction profile, stands out as the most promising candidate for further development as an anti-obesity agent, with compounds 10 and 13 offering additional scaffolds for future optimization., pancreatic lipase; molecular docking; anti-obesity; piperidine; pyrrolidine


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