Breast Cancer Transcriptional Regulatory Network Reprogramming by using the CRISPR/Cas9 System: An Oncogenetics Perspective
- Authors
- Singh, Desh Deepak; Verma, Ravi; Tripathi, Subhash K.; Sahu, Rajnish; Trivedi, Poonam; Yadav, Dharmendra Kumar
- Issue Date
- Sep-2021
- Publisher
- BENTHAM SCIENCE PUBL LTD
- Keywords
- Breast cancer; Gene network; Tumorigenesis; Metastasis; Mutations; Transcription factor; Triple negative breast cancer; Anticancer drug resistance; CRISPR; Cas9
- Citation
- CURRENT TOPICS IN MEDICINAL CHEMISTRY, v.21, no.31, pp.2800 - 2813
- Journal Title
- CURRENT TOPICS IN MEDICINAL CHEMISTRY
- Volume
- 21
- Number
- 31
- Start Page
- 2800
- End Page
- 2813
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/83013
- DOI
- 10.2174/1568026621666210902120754
- ISSN
- 1568-0266
- Abstract
- Breast cancer (BC) is the second most commonly diagnosed cancer in the world. BC develops due to dysregulation of transcriptional profiles, substantial interpatient variations, genetic mutations, and dysregulation of signaling pathways in breast cells. These events are regulated by many genes such as BRCA1/2, PTEN, TP53, mTOR, TERT, AKT, PI3K and others genes. Treatment options for BC remain a hurdle, which warrants a comprehensive understanding that establishes an interlinking connection between these genes in BC tumorigenesis. Consequently, there is an increasing demand for alternative treatment approaches and the design of more effective treatments. In this regard, it is crucial to build the corresponding transcriptional regulatory networks governing BC by using advanced genetic tools and techniques. In the past, several molecular editing technologies have been used to edit genes with several limitations. Clustered Regularly Interspaced Short Palindromic Repeats (CRISPR)/CRISPR Associated Protein 9 (CRISPR/Cas9) recently received wise attention due to its potential in biomedical and therapeutic applications. Here, we review the role of various molecular signalling pathways dysregulated in BC development such as PTEN/PI3K/AKT/mTOR as well as BRCA1/BRCA2/TP53/TERT and their interplay between the related gene networks in BC initiation, progression and development of resistance against available targeted therapeutic agents. Use of CRISPR/Cas9 gene-editing technology to generate BC gene-specific transgenic cell lines and animal models to decipher their role and interactions with other gene products has been employed successfully. Moreover, the significance of using CRISPR/Cas9 technology to develop early BC diagnostic tools and treatments is discussed here.
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