Volume 10, Issue 2 (Vol.10 No.2 Jul 2021)                   rbmb.net 2021, 10(2): 327-333 | Back to browse issues page

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Bakhtiyari N, Sharifi A, Aftabi Y, Gilani N, Zafari V, Zafari V, et al . Association Between NOX4 And Nrf2 Genes in Non-Small-Cell Lung Carcinoma: A Case-Control Study. rbmb.net. 2021; 10 (2) :327-333
URL: http://rbmb.net/article-1-705-en.html
Tuberculosis and Lung Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
Abstract:   (708 Views)
Background: Epithelial malignancy in lung cancer, which is initiated with myofibroblast differentiation and remodeling, promotes hypoxia and intracellular ROS generation most affected by the prototypical enzyme, NADPH oxidase 4 (NOX4). In addition, nuclear factor erythroid 2-related factor 2 (Nrf2) acts as a critical transcription factor by stimulating antioxidant proteins as redox homeostasis regulators. The aim of this study was to investigate a possible correlation between lung tissue NOX4 and Nrf2 genes (NOX4 and Nrf2) mRNA expression and bronchoalveolar lavage fluid (BALF) protein expression in non-small-cell lung carcinoma (NSCLC) patients.

Methods: Samples from 25 patients with various NSCLC types and stages and 20 healthy controls were collected. NOX4 and Nrf2 mRNA were measured by qRT-PCR, and protein by western blot analysis.

Results: NOX4 mRNA and protein expression was significantly up-regulated in NSCLC patients’ lung tissues and BALFs (p= 0.03 and 0.01, respectively). In addition, by adjusting for age, sex, and NSCLC types and stages, a significant and positive correlation was observed between NOX4 and Nrf2 mRNA expression (r= 0.927, p= 0.001). This was also true when not adjusted as above (r= 0.944, p< 0.001).

Conclusions: NOX4 mRNA and protein expression is significantly up-regulated in NSCLC patients’ lung tissues and BALFs, and NOX4 and Nrf2 mRNA expression is positively correlated in NSCLC tissues.
Full-Text [PDF 305 kb]   (345 Downloads)    
Type of Article: Original Article | Subject: Molecular Biology
Received: 2021/05/14 | Accepted: 2021/05/25 | Published: 2021/08/26

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