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Breast Cancer Cells Adapt in Brain, Reveal New Vulnerability

1/5/2026

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Summary

Story summary

Tel Aviv University researchers report in Nature Genetics that breast cancer cells adapt to survive in the brain.
The loss of the short arm of chromosome 17, including p53, raises the risk of brain metastases.
Without functional p53, cancer cells boost fatty acid production to thrive in the brain's environment.
Stearoyl-CoA desaturase 1 (SCD1) is identified as a vulnerability and inhibiting SCD1 slows growth of brain metastatic cells.

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Story summary

Tel Aviv University researchers report in Nature Genetics that breast cancer cells adapt to survive in the brain.
The loss of the short arm of chromosome 17, including p53, raises the risk of brain metastases.
Without functional p53, cancer cells boost fatty acid production to thrive in the brain's environment.
Stearoyl-CoA desaturase 1 (SCD1) is identified as a vulnerability and inhibiting SCD1 slows growth of brain metastatic cells.