Procollagen Type 1 N-Terminal Propeptide Products

Procollagen type I N-terminal propeptide, also called P1NP, is a bone formation marker that is indicative of type I collagen disposition (1). P1NP is generated from the major bone protein Type I Collagen and is cleaved by proteases at the amino (N) terminal and released into the bloodstream (1-3). Typically, P1NP is released in a trimeric form, consisting of two alpha-1 chains and one alpha-2 chain, prior to being broken-down into monomers or fragments (1). Antibodies to P1NP commonly detect ...