期刊
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
卷 22, 期 18, 页码 -出版社
MDPI
DOI: 10.3390/ijms221810065
关键词
genome engineering; CRISPR; DNA; leukemia
资金
- Romanian Ministry of Education and Research, CNCS-UEFISCDI [PN-III-P4-ID-PCE-2020-1928, PCE 72/2021]
Genome engineering allows precise manipulation of DNA sequences in cells, starting from Meganucleases to more advanced tools like ZFNs, TALENs, and CRISPR. CRISPR, guided by RNA recognition and precise DNA cleavage, has revolutionized genome engineering with applications in epigenetics and functional genomics.
Genome engineering makes the precise manipulation of DNA sequences possible in a cell. Therefore, it is essential for understanding gene function. Meganucleases were the start of genome engineering, and it continued with the discovery of Zinc finger nucleases (ZFNs), followed by Transcription activator-like effector nucleases (TALENs). They can generate double-strand breaks at a desired target site in the genome, and therefore can be used to knock in mutations or knock out genes in the same way. Years later, genome engineering was transformed by the discovery of clustered regularly interspaced short palindromic repeats (CRISPR). Implementation of CRISPR systems involves recognition guided by RNA and the precise cleaving of DNA molecules. This property proves its utility in epigenetics and genome engineering. CRISPR has been and is being continuously successfully used to model mutations in leukemic cell lines and control gene expression. Furthermore, it is used to identify targets and discover drugs for immune therapies. The descriptive and functional genomics of leukemias is discussed in this study, with an emphasis on genome engineering methods. The CRISPR/Cas9 system's challenges, viewpoints, limits, and solutions are also explored.
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