Human KGF protein (FGF-7)  is a member of the FGF family secreted by mesenchymal cells and has a paracrine effect on neighbouring epithelial cells.¹ KGF protein is used in the culture of lung, breast, liver, and bladder organoids.² In vivo, KGF is involved in wound healing and development of kidney, thymus, and hippocampus.¹High purity and bioactivity 19 kDa human FGF-7 / KGF protein, animal-origin free (AOF) and carrier-protein free (CF).