Abstract Fibroblasts derived from the progeroid Werner syndrome show reduced replicative lifespan and a "stressed" morphology. both alleviated using the MAP kinase inhibitor SB203580. However. interpretation of these data is problematical because although SB203580 has the stress-activated kinases p38 and JNK1/2 as its preferred targets. https://www.herbsdailyes.shop/product-category/medical-and-ambulatory-supplies-body-pressure-relief-and-positioning/