Description_x000D_ Amino Acid Sequence_x000D_ Glp-His-Trp-Ser-Tyr-Lys-Leu-Arg-Pro-Gly-NH2_x000D_ Application_x000D_ Luteinizing-hormone-releasing hormone (LHRH) (GnRH) is a decapeptide (pyroQHWSYKLRPG-NH2) trophic hormone that regulates the release of follicle-stimulating hormone (FSH) and luteinizing hormone (LH) from the anterior pituitary. Various analogues have been developed using D-amino acids to increase resistance to degradation. These analogues are used as potential targeting agents in the development of chemotherapies and as possible agonists and antagonist of the LHRH receptor.