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Targeting NF-κB mediated cell signaling pathway and inflammatory mediators by 1,2-diazole in A549 cells in vitro
Venugopal Vinod Prabhu1, Perumal Elangovan1, Sivasithambaram Niranjali Devaraj1
1Department of Biochemistry, University of Madras, Guindy Campus, Chennai, 600025, Tamil Nadu, India.
Abstract:
Lung cancer is the leading cause of cancer deaths globally. The objective of this study was to investigate the effect of 1,2-diazole (pyrazole) as an anti-cancer drug on human non-small cell lung carcinoma A549 cells. We attempt to examine the expression level of pro-inflammatory proteins such as TNF-α, NF-κB-p65, MMP-2 and E-Cadherin which are commonly associated with an inflammatory response in epithelial cells and apoptosis in A549 cells. The LPS-induced cytokines and inflammatory mediators include TNF-α, IL-6, iNOS and COX-2 levels in A549 cells and the effect of pyrazole was studied. The present study reveals that, pyrazole inhibits A549 cells by suppressing TNF-α induced MMP-2 expression, thereby inhibiting the nuclear translocation of NF-κB-p65. Pyrazole significantly up-regulate the E-cadherin level and down-regulated MMP-2 expression that could probably preventing A549 cancer cells to invade. The study further substantiated the anti-cancer property of pyrazole by regulating the above mentioned level of LPS-induced cytokines and inflammatory mediators. The observations of the present study open a possibility for the development of an effective therapeutic agent that targets inflammatory and signaling pathway mediators to challenge human non-small cell lung carcinoma.
Insights
Pyrazole demonstrates anti-cancer effects against human non-small cell lung carcinoma (NSCLC) by inhibiting inflammatory proteins and cell invasion. This study highlights pyrazole
Area of Science:
- Oncology
- Pharmacology
- Molecular Biology
Background:
- Lung cancer is a leading global cause of cancer mortality.
- Inflammatory pathways and protein expression are critical in non-small cell lung carcinoma (NSCLC) progression.
Purpose of the Study:
- To investigate the anti-cancer effects of 1,2-diazole (pyrazole) on human NSCLC A549 cells.
- To examine pyrazole's impact on pro-inflammatory proteins (TNF-α, NF-κB-p65, MMP-2, E-Cadherin) and LPS-induced cytokines (IL-6, iNOS, COX-2).
Main Methods:
- Treatment of A549 cells with pyrazole.
- Assessment of pro-inflammatory protein expression levels (TNF-α, NF-κB-p65, MMP-2, E-Cadherin).
- Evaluation of lipopolysaccharide (LPS)-induced cytokine and inflammatory mediator levels.
Main Results:
- Pyrazole inhibited A549 cell proliferation by suppressing TNF-α-induced MMP-2 expression and NF-κB-p65 nuclear translocation.
- Pyrazole significantly upregulated E-cadherin and downregulated MMP-2 expression, potentially inhibiting cancer cell invasion.
- Pyrazole regulated LPS-induced cytokines and inflammatory mediators, substantiating its anti-cancer properties.
Conclusions:
- Pyrazole exhibits significant anti-cancer activity against NSCLC A549 cells.
- Pyrazole targets key inflammatory and signaling pathways involved in cancer progression and invasion.
- Pyrazole presents a potential therapeutic agent for human non-small cell lung carcinoma.
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