β-Like DNA polymerases and prospects for their use as targets in chemotherapy of tumors

  
Davydov V.V.1 , Bukhvostov A.A.1, Kuznetsov D.A.1

1. Pirogov Russian National Research Medical University, Moscow, Russia
Section: Review
DOI: 10.18097/PBMC20236903145      PubMed Id: 37384906
Year: 2023  Volume: 69  Issue: 3  Pages: 145-155
DNA polymerases β are enzymes that perform repair of damaged DNA. In the cells of malignant tumors, there is a change in the production and properties of these enzymes, which is accompanied by altered viability of tumor cells. Analysis of the publications available in Russian and international databases (Pubmed, Elsevier) on the structure and properties of DNA polymerases β and their role in cell growth and proliferation, published over the past 20 years, has shown overexpression of genes encoding β-like DNA polymerases in many types of malignant tumors cells. This explains the maintenance of their viability and proliferative activity. Targeted inhibition of β-like DNA polymerases is accompanied by antiproliferative and antitumor effects. Stable paramagnetic isotopes of magnesium (25Mg2+) or other divalent metals (43Ca2+ and 67Zn2+) with uncompensated nuclear spin isotopes, as well as short single-stranded polydeoxyribonucleotides, can be used as promising antitumor pharmacophores.
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Keywords: β-like DNA polymerase, magnetic isotope effect, 25Mg2+, single-stranded polydeoxyribonucleotides, chemotherapy of malignant tumor
Citation:

Davydov, V. V., Bukhvostov, A. A., Kuznetsov, D. A. (2023). β-Like DNA polymerases and prospects for their use as targets in chemotherapy of tumors. Biomeditsinskaya Khimiya, 69(3), 145-155.
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