“Selective protection of normal cells may transform therapy of cancer.”
BUFFALO, NY- March 13, 2023 – A new review paper was published in Oncotarget’s Volume 14 on March 11, 2023, entitled, “Selective protection of normal cells from chemotherapy, while killing drug-resistant cancer cells.”
Cancer therapy is limited by toxicity in normal cells and drug-resistance in cancer cells. In his latest review, Mikhail V. Blagosklonny, M.D., Ph.D., from Roswell Park Comprehensive Cancer Center discusses the theory that cancer resistance to certain therapies can be exploited for protection of normal cells—simultaneously enabling the selective killing of resistant cancer cells by using antagonistic drug combinations, which include cytotoxic and protective drugs.
“No cancer cell, no matter how resistant it is, can survive chemotherapy in a cell culture. In the organism, however, therapy of cancer is limited by killing or damaging normal cells. Selective protection of normal cells from chemotherapy would increase the therapeutic window, improving the therapeutic outcome. Needless to say, reduction of side effects and better quality of life are very important for a cancer patient.”
Depending on the mechanisms of drug-resistance in cancer cells, the protection of normal cells can be achieved with inhibitors of CDK4/6, caspases, Mdm2, mTOR, and mitogenic kinases. When normal cells are protected, the selectivity and potency of multi-drug combinations can be further enhanced by adding synergistic drugs, in theory, eliminating the deadliest cancer clones with minimal side effects.
“I also discuss how the recent success of Trilaciclib may foster similar approaches into clinical practice, how to mitigate systemic side effects of chemotherapy in patients with brain tumors and how to ensure that protective drugs would only protect normal cells (not cancer cells) in a particular patient.”
Read the full review: DOI: https://doi.org/10.18632/oncotarget.28382
Correspondence to: Mikhail V. Blagosklonny
Emails: Blagosklonny@oncotarget.com, Blagosklonny@rapalogs.com
Keywords: oncology, resistance, cyclotherapy, trilaciclib, rapamycin
About Oncotarget: Oncotarget (a primarily oncology-focused, peer-reviewed, open access journal) aims to maximize research impact through insightful peer-review; eliminate borders between specialties by linking different fields of oncology, cancer research and biomedical sciences; and foster application of basic and clinical science.
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Journal
Oncotarget
DOI
10.18632/oncotarget.28382
Method of Research
Literature review
Subject of Research
People
Article Title
Selective protection of normal cells from chemotherapy, while killing drug-resistant cancer cells
Article Publication Date
11-Mar-2023
