PQ 401, a novel diarylurea compound, is an inhibitor of insulin-like growth factor 1 receptor (IGF-1R) autophosphorylation. Also used as a potential testing agent in the treatment of breast and other IGF-1-sensitive cancers.
[1]. gable kl, maddux ba, penaranda c, zavodovskaya m, campbell mj, lobo m, robinson l, schow s, kerner ja, goldfine id, youngren jf. diarylureas are small-molecule inhibitors of insulin-like growth factor i receptor signaling and breast cancer cell growth. mol cancer ther. 2006 apr;5(4):1079-86.
[2]. wang h, qin j, gong s, feng b, zhang y, tao j. insulin-like growth factor-1 receptor-mediated inhibition of a-type k(+) current induces sensory neuronal hyperexcitability through the phosphatidylinositol 3-kinase and extracellular signal-regulated kinase 1/2 pathways, independently of akt. endocrinology. 2014 jan;155(1):168-79.