While senescent cells are important in a range of beneficial processes, from cancer suppression, to the Hayflick limit, to wound healing, their presence is temporary in all such cases. Near all are destroyed, either by programmed cell death or by the immune system. Lingering senescent cells, on the other hand, are an entirely different story: they are in fact an important cause of aging and age-related dysfunction. They secrete a potent and inflammatory mix of signals that rouses the immune system to destructive chronic inflammation, degrades surrounding tissue structure and function, and encourages other cells to also become senescent

Quelle: Senolytic Treatment with Dasatinib and Quercetin Confirmed to Reduce the Burden of Senescent Cells in Human Patients – Fight Aging!

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