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Tumor-Educated Platelet Lncrna Malat-1; Expression Levels and Clinical Potential As a Biomarker in Colorectal Cancer



Talebzadeh M ; Eshkiki Z S ; Masoodi M ; Agah S ; Namazi A ; Tabaeian S P ; Beigi S N ; Ali S B ; Akbari A
Authors

Source: Govaresh Published:2026

Abstract

Background: Long non-coding RNAs (lncRNAs) have more and more investigated as novel and valuable biomarkers in cancers. We aimed to examine the expression and potential diagnostic value of two oncogenic lncRNAs, MALAT-1 and ROR, in tumor-educated platelets (TEPs) of patients with colorectal cancer (CRC). Materials and Methods: The expression levels of TEP lncRNAs were analyzed in 68 patients with CRC and 68 healthy individuals by a quantitative real-time PCR (qPCR). The differential expression of lncRNAs was examined, and diagnostic values were obtained. Results: TEP lncRNA MALAT-1 expression levels were significantly increased (P=0.044) in patients with CRC compared to healthy individuals. The expression levels of lncRNA ROR did not show a significant change (P=0.672) between patients with CRC and healthy individuals. Moreover, a significant correlation between MALAT-1 and tumor differentiation and lymphovascular invasion (P<0.05) was detected. TEP lncRNA MALAT-1 showed a diagnostic potential by sensitivity 63% and specificity 66% with AUC 0.66. Conclusion: LncRNA MALAT-1 is upregulated in TEPs from patients with CRC and has potential clinical value as a cancer biomarker. © (2026), (Iranian Association of Gastroenterology and Hepatology). All rights reserved.