Endometriosis occurs when estrogen-sensitive endometrial cells that are shed to distal sites manage to attach and survive in a foreign, inflammatory environment. A new study reports a unique interaction between a cleaved form of steroid receptor coactivator 1 (SRC-1) and caspase 8 that blocks apoptosis in endometriotic cells, allowing them to survive (pages 1102–1111).
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Dyson, M., Bulun, S. Cutting SRC-1 down to size in endometriosis. Nat Med 18, 1016–1018 (2012). https://doi.org/10.1038/nm.2855
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DOI: https://doi.org/10.1038/nm.2855
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