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A growth-promoting activity released from activated platelets, the platelet-derived growth factor, was discovered and characterized while the cellular and molecular mechanisms underlying the formation of the lesions of atherosclerosis were being investigated. This review provides a personal account of the different challenges we faced 3 decades ago in this undertaking and describes how our path was influenced by our focus on a disease process and by the evolving general understanding of the molecular effectors of cell proliferation.
Bowen‐Pope et al. (Wed,) studied this question.