Fibroblast proliferation is stimulated by?

“TFG-β is practically always involved as an important fibrogenic agent” - Robbins • The most important fibrogenic mediator (causing fibrosis) is transforming growth factor- β. It induces the proliferation of fibroblasts, endothelial cells and specialized fibrogenic cells. It is chemotactic for fibroblasts, neutrophils, macrophages, lymphocytes and smooth muscle cells.