Keratinocyte Growth Factor-2 (KGF-2), also known as Fibroblast Growth Factor 10 (FGF-10), is a member of the fibroblast growth factor family. This family includes at least 23 related peptides that play crucial roles in various biological processes, including cell growth, development, and tissue repair .
KGF-2 is a single, non-glycosylated polypeptide chain containing 170 amino acids, with a molecular mass of approximately 19,300 Daltons . It shares 57% sequence homology with KGF-1 (FGF-7) and binds to the same receptor . The human recombinant version of KGF-2 is often produced in E. coli and tagged with a His (histidine) tag to facilitate purification and detection .
KGF-2 is known for its role in stimulating the proliferation and migration of epithelial cells, particularly keratinocytes. It is involved in various physiological processes, including wound healing, tissue repair, and embryonic development . KGF-2 is expressed in the limb mesenchyme and is induced shortly after skin injury, promoting re-epithelialization and tissue regeneration .
The recombinant form of KGF-2, tagged with His, is widely used in research and therapeutic applications. It is utilized in studies related to wound healing, tissue engineering, and regenerative medicine. The His tag allows for easy purification and detection, making it a valuable tool for researchers .