10.1016/j.bmc.2012.08.012
The study focuses on the discovery and preclinical profile of teneligliptin, a potent, selective, long-lasting, and orally active dipeptidyl peptidase IV (DPP-4) inhibitor, developed for the treatment of type 2 diabetes. The research explores the structure-activity relationship of L-prolylthiazolidines and identifies teneligliptin (compound 8g) as a highly effective DPP-4 inhibitor. The study involves the synthesis and evaluation of various chemical derivatives, including bicyclic heteroarylpiperazines and prolylthiazolidine analogs, to optimize their interaction with the S2 subsite of DPP-4, thereby enhancing both potency and selectivity. The chemicals used serve as DPP-4 inhibitors, aiming to increase the plasma concentration of active glucagon-like peptide-1 (GLP-1), which stimulates insulin secretion and helps in glucose control, thereby offering a potential once-daily treatment option for type 2 diabetes without causing hypoglycemia. The study includes in vitro and in vivo evaluations, pharmacokinetic profiling, and X-ray crystal structure determination to understand the molecular interactions of teneligliptin with DPP-4, ultimately leading to its approval for use in Japan.