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Fazeli M, Pourhossein B. MiR-21 in Colorectal Cancer: Biological Promise, Mechanistic Gaps, Clinical Caution. Multidiscip Cancer Investig 2024;
URL: http://mcijournal.com/article-1-421-en.html
1- Advanced Therapy Medicinal Product (ATMP) Department, National Cancer Institute, Academic Center for Education, Culture and Research (ACECR), Tehran, Iran
2- Pharmaceutical Sciences Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran , pourhossein.b@sbmu.ac.ir
Abstract:   (8 Views)
MicroRNA‑21 (miR‑21) is frequently upregulated in colorectal cancer (CRC) and has been associated with tumor progression and poor prognosis. However, its clinical and biological roles remain complex and context‑dependent. Evidence indicates that miR‑21 is dysregulated in multiple diseases, limiting its specificity as a standalone diagnostic biomarker for CRC. Moreover, recent studies suggest that miR‑21 participates in diverse processes including modulation of inflammatory signaling, remodeling of the tumor microenvironment, immune regulation, and chemotherapy resistance. Despite promising experimental findings, therapeutic targeting of miR‑21 has not yet progressed to clinical trials due to challenges in delivery and specificity. Future studies using advanced models such as CRISPR‑based gene editing and patient‑derived organoids may clarify the functional significance of miR‑21 and determine its potential as a clinically actionable target in CRC.
Full-Text [PDF 217 kb]   (4 Downloads)    
Select article type: Letters to the Editor | Subject: Prevention, Early Detection and Screening
Received: 2024/09/4 | Accepted: 2024/10/13 | ePublished: 2024/10/22

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