European Journal of Medicinal Chemistry
European Journal of Medicinal Chemistry
4 years ago

Anticancer properties of 4-thiazolidinone derivatives depend on peroxisome proliferator-activated receptor gamma (PPARγ)

Anticancer properties of 4-thiazolidinone derivatives depend on peroxisome proliferator-activated receptor gamma (PPARγ)
Peroxisome proliferator-activated receptors (PPARs) play an important role in numerous chronic diseases such as diabetes, obesity, atherosclerosis and cancer, and PPAR modulators are among the approved drugs and drug-candidates for their treatment. The aim of this study was to elucidate the involvement of PPARs in the mechanism of cytotoxic and pro-apoptotic action of novel anticancer 4-thiazolidinone derivatives (Les-2194, Les-3377, Les-3640) and approved 4-thiazolidinones (Rosiglitazone, Pioglitazone) towards the human squamous carcinoma (SCC-15) cell line. Experiments with 4-thiazaolidinone derivatives and PPAR-specific siRNA were conducted and PPARα, PPARβ and PPARγ mRNA expression was studied. Moreover, after PPARα, PPARβ and PPARγ siRNA gene silencing, cell viability, cell metabolism and caspase-3 activity were measured. The results showed a decrease of mRNA expression of the studied PPARs in SCC-15 cells treated with 10 and 50 μM Les-2194, Les-3377 and Les-3640. PPARγ knockdown protected the cells from the cytotoxic effect of the tested compounds (50 μM). It was established that novel anticancer 4-thiazolidinone derivatives act mainly through the PPARγ pathway in SCC-15 cells. Our results suggest that all studied compounds act as PPARs agonists. Interestingly, silencing of PPARγ gene increases the expression of PPARα, PPARβ mRNA in SCC-15 cells. The anticancer potential of new studied compounds was more expressed as compared to Rosiglitazone and Pioglitazone.

Publisher URL: www.sciencedirect.com/science

DOI: S0223523417307869

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