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- W2892369916 abstract "Abstract Oxidation of H3 at lysine 4 (H3K4ox) by lysyl oxidase–like 2 (LOXL2) generates an H3 modification with an unknown physiological function. We find that LOXL2 and H3K4ox are higher in triple-negative breast cancer (TNBC) cell lines and patient–derived xenographs (PDXs) than those from other breast cancer subtypes. ChIP-seq revealed that H3K4ox is located primarily in heterochromatin, where it is involved in chromatin compaction. Knocking down LOXL2 reduces H3K4ox levels and causes chromatin decompaction, resulting in a sustained activation of the DNA damage response (DDR) and increased susceptibility to anticancer agents. This critical role that LOXL2 and oxidized H3 play in chromatin compaction and DDR suggests that functionally targeting LOXL2 could be a way to sensitize TNBC cells to conventional therapy." @default.
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- W2892369916 date "2018-09-13" @default.
- W2892369916 modified "2023-10-17" @default.
- W2892369916 title "Reduction of LOXL2-mediated H3K4 oxidation increases chromatin accessibility and promotes chemosensitivity of triple-negative breast cancer cells" @default.
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- W2892369916 doi "https://doi.org/10.1101/416495" @default.
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