BACKGROUND: Lung cancer is one of the most fatal human cancers both in males and females. This type of cancer is categorized to different subtypes among them is non-small cell lung cancer (NSCLC). NSCLC accounts for about 80% of all cases. Long non-coding RNAs (lncRNAs) have been shown to influence the pathogenic course of lung cancer. However, the contribution of LINC01433 lncRNA in this type of cancer in Iranian patients is not clear. PURPOSE: In the current project, we evaluated expression of LINC01433 in 42 NSCLC samples and their paired non-tumoral tissues using quantitative real time polymerase chain reaction method. Samples were collected from patients admitted to Labbafinejad Hospital during 2016-2017. RESULTS: There was no significant difference in the expression of LINC01433 between tumoral and non-tumoral tissues (expression ratio 0.67, p = 0.42). Expression of this lncRNA was not associated with any of clinical and demographic data including age, gender, smoking history, stage or cancer subtype. CONCLUSION: Based on the similar expression levels of this lncRNA between tumoral and non-tumoral tissues and lack of association between expression levels and clinical data, this lncRNA is not a possible contributor to lung cancer in Iranian patients. However, expression analysis of this lncRNA in larger sample sizes is needed to verify our results.

Department of Basic Medical Sciences Neyshabur University of Medical Sciences Neyshabur Iran

Department of Cell and Molecular Biology Faculty of Life Sciences Kharazmi University Tehran Iran

Department of Medical Genetics Shahid Beheshti University of Medical Sciences Tehran Iran

Geniran Lab Tehran Iran

Neyshabur Endemic Diseases Research Center Neyshabur University of Medical Sciences Neyshabur Iran

Urogenital Stem Cell Research Center Shahid Beheshti University of Medical Sciences Tehran Iran

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