Abstract
After binding to the specific insulin-like growth factor 1 receptor (IGF1R) on the surface of target tissue cells, IGF can regulate physiological processes such as apoptosis, proliferation and senescence, which are closely related to growth and development of the body, and occurrence and development of diseases. The binding between IGF1 and IGF1Rα can cause conformational changes of the beta subunit of IGF1R, lead to activation of receptor tyrosine kinase, initiation of the downstream phosphatidylinositol 3-kinase pathway and mitogen-activated protein kinase pathway, and finally participate in the occurrence of acne, psoriasis and other skin diseases. This review summarizes research advances in the role of the IGF1R signaling pathway in the pathogenesis of related skin diseases. Key words: Insulin-like growth factor Ⅰ; Phosphatidylinositol 3-kinases; MAP kinase signaling system; Skin diseases
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