The different compartments of the mammary stem cell hierarchy develop into distinct breast cancer subtypes as a result of specific genetic lesions. A recent study identifies aberrant ERBB3low luminal progenitors with altered proteostasis and translation as the cell of origin of BRCA2-mutant breast cancer.
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Xu, J., Liu, S. Cell origin of BRCA2-mutant breast cancer. Nat Cell Biol 26, 43–44 (2024). https://doi.org/10.1038/s41556-023-01322-6
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DOI: https://doi.org/10.1038/s41556-023-01322-6
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