Journal
BIOIMPACTS
Volume -, Issue -, Pages -Publisher
TABRIZ UNIV MEDICAL SCIENCES & HEALTH SERVICES
DOI: 10.34172/bi.2023.27618
Keywords
Imidazo[1,2-a]pyridine; Curcumin; NF-& kappa;B; Inflammation; Breast Cancer; Ovarian Cancer
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This study aimed to synthesize a novel imidazo[1,2-a]pyridine derivative (MIA) and evaluate its anti-inflammatory activity and effects on NF-κB and STAT3 pathways in MDA-MB-231 and SKOV3 cell lines. The results showed that MIA exerted its anti-inflammatory activity by suppressing NF-κB and STAT3 signaling pathways, and curcumin enhanced all the anti-inflammatory effects of MIA.
Introduction: Imidazo[1,2-a]pyridine derivatives with diverse pharmacological properties and Curcumin, as a potential natural anti-inflammatory compound, are promising compounds for cancer treatment. This study aimed to synthesize a novel imidazo[1,2-a]pyridine derivative, (MIA), and evaluate its anti-inflammatory activity and effects on nuclear factor-kB (NF -.KB) and signal transducer and activator of transcription 3 (STAT3) pathways, and their target genes, alone and in combination with curcumin, in MDA-MB-231 and SKOV3 cell lines.Methods: We evaluated the interaction between imidazo[1,2-a]pyridine ligand, curcumin, and NF .KB p50 protein using the molecular docking studies. MTT assay was used to investigate the impacts of compounds on cell viability. To evaluate the NF -.KB DNA binding activity and the level of inflammatory cytokines in response to the compounds, ELISA-based methods were performed. In addition, quantitative polymerase chain reaction (qPCR) and western blotting were carried out to analyze the expression of genes and investigate NF -.KB and STAT3 signaling pathways.Results: Molecular docking studies showed that MIA docked into the NF -.KB p50 subunit, and curcumin augmented its binding. The MTT assay results indicated that MIA and its combination with curcumin reduced cell viability. According to the results of the ELISA-based methods, MIA lowered the levels of inflammatory cytokines and suppressed NF -.KB activity. In addition, real-time PCR and Griess test results showed that the expression of cyclooxygenase-2 (COX-2) and inducible NO synthase (iNOS) genes, and nitrite production were reduced by MIA. Furthermore, the western blotting analysis demonstrated that MIA increased the expression of inhibitory ?B (I?Ba) and B-cell lymphoma 2 (Bcl-2)-associated X proteins (BAX), and suppressed the STAT3 phosphorylation, and Bcl-2 expression. Our findings revealed that curcumin had a potentiating role and enhanced all the anti-inflammatory effects of MIA.Conclusion: This study indicated that the anti-inflammatory activity of MIA is exerted by suppressing the NF-?B and STAT3 signaling pathways in MDA-MB-231 and SKOV3 cancer cell lines.
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