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Alteration in the expression of microRNA-21 regulated target genes: Role in breast cancer

PRIYANKA THAKUR1, REENA V. SAINI2,3,*, ANIL K. CHHILLAR4, NEERAJ K. SAINI5, VIJAY KUMAR THAKUR6, SAMARJEET SINGH SIWAL7, ADESH K. SAINI2,3,*

1 Faculty of Sciences, Shoolini University, Solan, 173229, India
2 Department of Biotechnology, MMEC, Maharishi Markandeshwar (Deemed to be University), Ambala, 133207, India
3 Maharishi Markandeshwar University, Solan, 173229, India
4 Centre of Biotechnology, Maharshi Dayanand University, Rohtak, 124001, India
5 School of Biotechnology, Jawaharlal Nehu University, New Delhi, 110067, India
6 Biorefining and Advanced Materials Research Center, Scotland’s Rural College (SRUC), Edinburgh, EH9 3JG, UK
7 Department of Chemistry, MMEC, Maharishi Markandeshwar (Deemed to be University), Ambala, 133207, India

* Corresponding Authors: REENA V. SAINI. Email: email; ADESH K. SAINI. Email: email

(This article belongs to the Special Issue: Noncoding RNAs & Associated Human Diseases)

BIOCELL 2022, 46(2), 309-324. https://doi.org/10.32604/biocell.2022.016916

Abstract

Breast cancer, also recognized as the principal cause of cancer-related deaths among women, is the second most familiar and prevalent form of cancer. New diagnostic and prognostic biomarkers that are highly specific are urgently needed for its early prognosis. MicroRNAs (miRNAs), a class of non-coding RNAs, are known to control the biological processes involving transcription, post-transcriptional and covalent modifications, splicing, translation, cell differentiation, proliferation, apoptosis, cancer progression, and invasion. Any dysregulation in miRNA expression, demonstrating their oncogenic and tumor-suppressive functions, contributes to cancer progression. MicroRNA-21 (miR-21), an ‘onco-miR’ in breast cancer, is involved in tumor progression and metastasis by suppressing the activity of the target gene via its interaction with the 3’UTR of the target gene. The upregulation of miR-21 is observed in many instances of breast cancer. Our review aims to summarize the current understanding of miR-21 in the regulation of important cellular functions via regulation of its target genes. We discuss its biosynthesis, oncogenic function in breast cancer, and different methods used for its detection. This will increase the current understanding of the role of miR-21 in breast cancer tumorigenesis, which will offer a perception of using miR-21 as an early detection molecular prognostic and diagnostic biomarker and as a therapeutic target in breast cancer care.

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APA Style
THAKUR, P., SAINI, R.V., CHHILLAR, A.K., SAINI, N.K., THAKUR, V.K. et al. (2022). Alteration in the expression of microrna-21 regulated target genes: role in breast cancer. BIOCELL, 46(2), 309-324. https://doi.org/10.32604/biocell.2022.016916
Vancouver Style
THAKUR P, SAINI RV, CHHILLAR AK, SAINI NK, THAKUR VK, SIWAL SS, et al. Alteration in the expression of microrna-21 regulated target genes: role in breast cancer. BIOCELL . 2022;46(2):309-324 https://doi.org/10.32604/biocell.2022.016916
IEEE Style
P. THAKUR et al., "Alteration in the expression of microRNA-21 regulated target genes: Role in breast cancer," BIOCELL , vol. 46, no. 2, pp. 309-324. 2022. https://doi.org/10.32604/biocell.2022.016916

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cc This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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