Concurrent loss of the Y chromosome in cancer and T cells impacts outcome
Xingyu Chen,
Yiling Shen,
Suhyeon Choi,
Hany A. Abdel-Hafiz,
Mukta Basu,
Lena Hoelzen,
Martina Tufano,
Saravana Kumar Kailasam Mani,
Maryam Ranjpour,
Jiani Zhu,
V. Krishnan Ramanujan,
Ekaterina K. Koltsova,
Vinicius F. Calsavara,
Simon R. V. Knott () and
Dan Theodorescu ()
Additional contact information
Xingyu Chen: Cedars-Sinai Medical Center
Yiling Shen: Cedars-Sinai Medical Center
Suhyeon Choi: Cedars-Sinai Medical Center
Hany A. Abdel-Hafiz: Cedars-Sinai Medical Center
Mukta Basu: Cedars-Sinai Medical Center
Lena Hoelzen: Cedars-Sinai Medical Center
Martina Tufano: Cedars-Sinai Medical Center
Saravana Kumar Kailasam Mani: Cedars-Sinai Medical Center
Maryam Ranjpour: Cedars-Sinai Medical Center
Jiani Zhu: Cedars-Sinai Medical Center
V. Krishnan Ramanujan: Cedars-Sinai Medical Center
Ekaterina K. Koltsova: Cedars-Sinai Medical Center
Vinicius F. Calsavara: Cedars-Sinai Medical Center
Simon R. V. Knott: Cedars-Sinai Medical Center
Dan Theodorescu: Cedars-Sinai Medical Center
Nature, 2025, vol. 642, issue 8069, 1041-1050
Abstract:
Abstract Loss of the Y chromosome (LOY) in peripheral blood mononuclear cells (PBMCs) is the most common somatic alteration in men and is associated with higher mortality from epithelial cancers1–3. In tumours, epithelial LOY is also associated with poor survival4–7. This raises several fundamental questions, such as why LOY in PBMCs drives cancer mortality and whether there is a relationship between LOY in PBMCs, PBMC-derived immune cells and cancer cells (and, if so, what its consequences are). We sought to answer these questions through a comprehensive pan-cancer analysis of bulk and single-cell RNA sequencing data from 29 human tumour types, along with autochthonous and syngeneic mouse models. In human and mouse tumours, malignant epithelial cells had the highest LOY prevalence, yet LOY was also present in tumour stromal and immune cells, with LOY in malignant epithelial cells predicting LOY in benign cells. LOY also correlated between paired tumour and PBMC samples from patients. Among benign cells, LOY induced the strongest shift in CD4+ and CD8+ T cells, with both showing transcriptomic signatures of immunosuppression. Furthermore, the magnitude of LOY in epithelial cells, CD4+ T cells and CD8+ T cells independently predicts survival, with tumours exhibiting concurrent epithelial and T cell LOY having the worst outcomes. Here we establish a model that links LOY in immune cells to LOY in malignant cells, which may explain in part why LOY in PBMCs is associated with increased cancer mortality.
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:nat:nature:v:642:y:2025:i:8069:d:10.1038_s41586-025-09071-2
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DOI: 10.1038/s41586-025-09071-2
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