NCIt definition : A recombinant therapeutic agent which is chemically identical to or similar to endogenous
human insulin. In lispro insulin, the amino acid proline at B-28 and the amino acid
lysine at B-29 are reversed, resulting in the rapid dissolution of this insulin to
a monomer that is absorbed rapidly after subcutaneous administration. Lispro insulin
is equipotent to human insulin on a molar basis but its effects are faster and of
shorter duration. Endogenous insulin, a pancreatic hormone composed of two polypeptide
chains, is important in the normal metabolism of carbohydrates, proteins and fats,
promoting glucose utilization and protein synthesis; it has anabolic effects on many
types of tissues. (NCI04);