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- W4280492067 abstract "Abstract Tumorigenesis begins with cells that have normal mutation rates. As the cells become immortal and accumulate different numbers of mutations along the way, current literature splits in two describing if and how mutation rates increase as the cancer progresses. Some argue that as the mutation rates are small (mutation rate in healthy cells is per nucleotide site per cell division) and malignant cells are loaded with thousands of different types of mutations, they must have acquired a mutator phenotype early in their development. Others argue that immortality of malignant cells, and their rate of proliferation is responsible for their genetic instability and number of mutations observed in their genome. We conduct a review of the literature with the key words “mutation rate” and “cancer” in their title. We review 123 papers and found that description of mutation rates varied in the published work. This leads to estimates of mutation rates in cancer from per nucleotide site per cell division. Some of this variation in mutational rates arises across different organs of the body, for instance liver cells have a higher mutation rate than heart and brain. Cancer treatments such as chemotherapy influence mutation rate, and mutation rate of drug and multidrug resistance cancer cell is higher than newly diagnosed cancer cells. Further, mutation rate is defined differently in different literature, some papers measure the mutation rate in a population or a gene, some calculate it per base pair, genome, or mitosis. Here we provide a comprehensive picture of published mutation rates across different cancer types in order to inform cancer models and treatment plans for individual patients. We propose a unified framework for discussing and reporting mutation rate of cancer cells and formulations on how to switch between definitions. Citation Format: Fargam Neinavaie, Andrew Kramer. Does mutation rate of cancer cells change as the stage of the disease advances? [abstract]. In: Proceedings of the AACR Special Conference on the Evolutionary Dynamics in Carcinogenesis and Response to Therapy; 2022 Mar 14-17. Philadelphia (PA): AACR; Cancer Res 2022;82(10 Suppl):Abstract nr A038." @default.
- W4280492067 created "2022-05-22" @default.
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- W4280492067 date "2022-05-15" @default.
- W4280492067 modified "2023-10-17" @default.
- W4280492067 title "Abstract A038: Does mutation rate of cancer cells change as the stage of the disease advances?" @default.
- W4280492067 doi "https://doi.org/10.1158/1538-7445.evodyn22-a038" @default.
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