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Isatin thiazoles as antidiabetic: Synthesis, in vitro enzyme inhibitory activities, kinetics, and in silico studies.

Mehwish Solanginull KanwalKhalid Mohammed KhandSridevi ChigurupatiFaiza SaleemUrooj QureshiZaheer Ul-HaqAlmas JabeenShatha G FelembanFatima ZafarShahnaz PerveenMuhammad TahaSaurabh Bhatia
Published in: Archiv der Pharmazie (2022)
Diabetes mellitus is one of the most prevalent diseases nowadays. Several marketed drugs are available for the cure and treatment of diabetes, but there is still a dire need of introducing compatible drug molecules with lesser side effects. The current study is based on the synthesis of isatin thiazole derivatives 4-30 via the Hantzsch reaction. The synthetic compounds were characterized using different spectroscopic techniques and evaluated for their α-amylase and α-glucosidase inhibition potential. Of 27 isatin thiazoles, five (4, 5, 10, 12, and 16) displayed good activities against the α-amylase enzyme with IC 50 values in the range of 22.22 ± 0.02-27.01 ± 0.06 µM, and for α-glucosidase, the IC 50 values of these compounds were in the range of 20.76 ± 0.17-27.76 ± 0.17 µM, respectively. The binding interactions of the active molecules within the active site of enzymes were studied with the help of molecular docking studies. In addition, kinetic studies were carried out to examine the mechanism of action of the synthetic molecules as well. Compounds 3a, 4, 5, 10, 12, and 16 were also examined for their cytotoxic effect and were found to be noncytotoxic. Thus, several molecules were identified as good antihyperglycemic agents, which can be further modified to enhance inhibition ability and to find the lead molecule that can act as a potential antidiabetic agent.
Keyphrases
  • molecular docking
  • molecular dynamics simulations
  • case control
  • type diabetes
  • cardiovascular disease
  • human health
  • emergency department
  • risk assessment
  • binding protein
  • drug induced
  • combination therapy
  • adverse drug