A Clostridium histolyticum collagenase ColH (Glu451Asp) melts adipose tissue when injected into selected regions of the body. This protein product melts fat pads effectively in fat rat experiments, with very little side effects. Very little hemorrhage was observed. We also invent a new version of ColH mutant by linking a peptide motif CKGGRAKDC-G (varying from 2 to 6 Gs) (SEQ ID NO: 2) in front of ColH (Glu451Asp) (called topical ColH-FM), which can target to white fat vasculature. By combining with novel transdermal technology (such as Hydroxysome technology), we develop a topical protein cream that can melt fat. This product can be used as cellulite cream and for chemical liposuction. This topical ColH-FM can also be injected into adipose tissue as a replacement for liposuction or as an adjunct method with liposuction. Since raise scar is formed by overgrowth of collagen, our topical ColH-FM cream is shown to have application in scar reduction.

Huang; Lan

Cang; Yong

cellulite/hemorrhage

Modified mutant collagenase and its use in fat melting and in scar reduction

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