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Ageing promotes metastasis via activation of the integrated stress response

6 days 11 hours ago
Lung cancer predominantly affects older individuals, yet how physiological ageing influences tumour evolution remains poorly understood¹. Here we show that ageing reprograms the evolutionary trajectory of KRAS-driven lung adenocarcinoma, limiting primary tumour growth while promoting metastatic dissemination through epigenetic activation of the integrated stress response (ISR). The ISR effector ATF4 drives epithelial and metabolic plasticity, conferring metastatic competence. Mechanistically,...
Angana A H Patel