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Updated: Aug 8, 2025

miRNA Expression Analyses in Prostate Cancer Clinical Tissues
Published on: September 8, 2015
The importance of hsa-miR-28 in human malignancies
Seyede Fatemeh Hosseini1, Setareh Javanshir-Giv2, Hanieh Soleimani3
1Faculty Member, Tabas School of Nursing, Birjand University of Medical Sciences, Birjand, Iran.
Abstract:
MicroRNA production in tumorigenesis is dysregulated by a variety of processes, such as proliferation and removal of microRNA genes, aberrant transcriptional regulation of microRNAs, disrupted epigenetic alterations, and failures in the miRNA biogenesis machinery. Under some circumstances, miRNAs may act as tumorigenic and maybe anti-oncogenes. Tumor aspects such as maintaining proliferating signals, bypassing development suppressors, delaying apoptosis, stimulating metastasis and invasion, and promoting angiogenesis have been linked to dysfunctional and dysregulated miRNAs. MiRNAs have been found as possible biomarkers for human cancer in a great deal of research, which requires additional evaluation and confirmation. It is known that hsa-miR-28 can function as an oncogene or tumor suppressor in many malignancies, and it does this by modulating the expression of several genes and the downstream signaling network. MiR-28-5p and miR-28-3p, which originate from the same RNA hairpin precursor miR-28, have essential roles in a variety of cancers. This review outlines the function and mechanisms of miR-28-3p and miR-28-5p in human cancers and illustrates the miR-28 family's potential utility as a diagnostic biomarker for prognosis and early detection of cancers.
Insights
Dysfunctional microRNAs (miRNAs) drive cancer by affecting cell growth and spread. This review highlights miR-28-3p and miR-28-5p as potential diagnostic biomarkers for early cancer detection and prognosis.
Area of Science:
- Oncology
- Molecular Biology
- Genetics
Background:
- MicroRNA (miRNA) production is frequently dysregulated in tumorigenesis through various mechanisms.
- Dysfunctional miRNAs can promote cancer hallmarks like proliferation, metastasis, and angiogenesis, acting as oncogenes or tumor suppressors.
- miRNAs are emerging as potential biomarkers for human cancers, requiring further validation.
Purpose of the Study:
- To review the roles and mechanisms of miR-28-3p and miR-28-5p in human cancers.
- To illustrate the potential of the miR-28 family as diagnostic biomarkers for cancer prognosis and early detection.
Main Methods:
- Literature review of studies on microRNA function in cancer.
- Analysis of the roles of specific microRNAs (miR-28-3p and miR-28-5p) in various malignancies.
- Evaluation of the miR-28 family as potential cancer biomarkers.
Main Results:
- hsa-miR-28 acts as an oncogene or tumor suppressor by modulating gene expression and signaling networks in malignancies.
- MiR-28-5p and miR-28-3p, derived from the same precursor, play critical roles in diverse cancers.
- The miR-28 family shows promise for cancer diagnosis and prognosis.
Conclusions:
- Dysregulated microRNAs are implicated in cancer development and progression.
- miR-28-3p and miR-28-5p are key players in various cancers with oncogenic or tumor-suppressive functions.
- The miR-28 family holds significant potential as biomarkers for early cancer detection and patient prognosis.
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