Docking, Synthesis and Anti-Diabetic Activity of Novel Sulfonylhydrazone Derivatives Designed as PPAR-Gamma Agonists

Author(s): Gisele Zapata-Sudo, Lidia M. Lima, Sharlene L. Pereira, Margarete M. Trachez, Filipe P. da Costa, Beatriz J. Souza, Carlos E. S. Monteiro, Nelilma C. Romeiro, Everton D. D’Andrea, Roberto T. Sudo, Eliezer J. Barreiro

Journal Name: Current Topics in Medicinal Chemistry

Volume 12 , Issue 19 , 2012

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Diabetes is a metabolic disorder characterized by hyperglycemia. When not properly controlled, complications include neuropathy, coronary artery disease, and renal failure. Several drugs are approved for diabetes treatment; however their use is associated with side effects and lack of efficacy in attenuating the development of long-term complications. This work describes the virtual screening and synthesis of a novel series of sulfonylhydrazone derivatives designed as peroxisome proliferator-activated receptor gamma (PPARγ) agonists and investigation of the analogs for hypoglycemic activity in a murine model of diabetes. Docking studies identified LASSBio-331 (5) as having theoretical affinity for PPARγ similar to the prototype (S)-rosiglitazone. Several structural modifications were proposed for the structure of LASSBio-331, resulting in the synthesis of five novel compounds, which showed experimental affinity for PPARγ. Among these new compounds, LASSBio-1471 (15) had the best theoretical binding energy for PPARγ and was selected for testing in STZ-induced diabetes. Four weeks after single intravenous injection of STZ (60 mg/kg), Wistar rats were treated with vehicle (DMSO) or LASSBio-1471 (20 mg/kg, i.p.) for 7 days. The blood glucose levels of rats treated with LASSBio-1471 were reduced from 548.4 ± 26.0 mg/dL before treatment to 259.6 ± 73.1 mg/dL (P < 0.05). Paw withdrawal threshold was significantly reduced in diabetic rats and was restored from 21.9 ± 1.7 g to 36.7 ± 1.2 g after 7 days of treatment with LASSBio-1471 (P < 0.05). Thus, the novel sulfonylhydrazone derivative is a PPARγ ligand that is effective for treatment of diabetic neuropathy in STZ-injected rats.

Keywords: Diabetic neuropathy, virtual screening, sulfonylhydrazone, hypoglycemic activity, PPARγ, metabolic disorder, Diabetes mellitus (DM), coronary heart disease, hyperglycemia, antidiabetic agents, postural hypotension.

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Article Details

Year: 2012
Page: [2037 - 2048]
Pages: 12
DOI: 10.2174/1568026611212190002
Price: $65

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