The comprehensive landscape of miR-34a in cancer research

MicroRNA-34 (miR-34) plays central roles in human diseases, especially cancers. Inactivation of miR-34 is detected in cancer cell lines and tumor tissues versus normal controls, implying its potential tumor-suppressive effect. Clinically, miR-34 has been identified as promising prognostic indicators...

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Bibliographic Details
Published in:Cancer and metastasis reviews 2021-09, Vol.40 (3), p.925-948
Main Authors: Li, Sijing, Wei, Xiaohui, He, Jinyong, Cao, Quanquan, Du, Danyu, Zhan, Xiaoman, Zeng, Yuqi, Yuan, Shengtao, Sun, Li
Format: Article
Language:English
Subjects:
1-Phosphatidylinositol 3-kinase
AKT protein
Analysis
Animals
Apoptosis
Biomedical and Life Sciences
Biomedicine
Cancer
Cancer Research
Cell cycle
Cell Line, Tumor
Chemotherapy
Development and progression
Diagnosis
DNA binding proteins
DNA Methylation
Gene Expression Regulation, Neoplastic
Humans
MAP kinase
Medical colleges
Medical research
Methylation
MicroRNAs
MicroRNAs - genetics
MicroRNAs - metabolism
miRNA
Neoplasms - genetics
Non-Thematic Review
Oncology
Oncology, Experimental
p53 Protein
Phosphatidylinositol 3-Kinases - metabolism
Physiological aspects
Protein turnover
Radiation therapy
Signal transduction
Transcription factors
Tumor cell lines
Tumor proteins
Tumors
Wnt protein
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Summary:MicroRNA-34 (miR-34) plays central roles in human diseases, especially cancers. Inactivation of miR-34 is detected in cancer cell lines and tumor tissues versus normal controls, implying its potential tumor-suppressive effect. Clinically, miR-34 has been identified as promising prognostic indicators for various cancers. In fact, members of the miR-34 family, especially miR-34a, have been convincingly proved to affect almost the whole cancer progression process. Here, a total of 512 (miR-34a, 10/21), 85 (miR-34b, 10/16), and 114 (miR-34c, 10/14) putative targets of miR-34a/b/c are predicted by at least ten miRNA databases, respectively. These targets are further analyzed in gene ontology (GO), KEGG pathway, and the Reactome pathway dataset. The results suggest their involvement in the regulation of signal transduction, macromolecule metabolism, and protein modification. Also, the targets are implicated in critical signaling pathways, such as MAPK, Notch, Wnt, PI3K/AKT, p53, and Ras, as well as apoptosis, cell cycle, and EMT-related pathways. Moreover, the upstream regulators of miR-34a, mainly including transcription factors (TFs), lncRNAs, and DNA methylation, will be summarized. Meanwhile, the potential TF upstream of miR-34a/b/c will be predicted by PROMO, JASPAR, Animal TFDB 3.0, and GeneCard databases. Notably, miR-34a is an attractive target for certain cancers. In fact, miR-34a-based systemic delivery combined with chemotherapy or radiotherapy can more effectively control tumor progression. Collectively, this review will provide a panorama for miR-34a in cancer research.
ISSN:0167-7659
1573-7233
DOI:10.1007/s10555-021-09973-3