Dynorphin B (1-9) 是一种神经肽，是Dynorphin B 的 N 端裂解产物。Dynorphin B(1-9) 的形成被半胱氨酸肽酶的非选择性抑制剂 N-乙基马来酰亚胺 (N-ethylmaleimide) 阻断。

Highly potent integrin α1β1 inhibitor (IC50 = 0.8 nM for α1β1 binding to type IV collagen). Selective for α1β1 over α2β1, αIIbβ3, αvβ3, α4β1, α5β6, α9β1 and α4β7. Inhibits FGF2-stimulated angiogenesis in the chicken chorioallantoic model. Displays antitumor efficacy in a synergistic mouse model of Lewis lung carcinoma; blocks human melanoma growth in nude mice.

Secretin, porcine TFA (Porcine secretin TFA) is a 27-amino acid peptide, acting on pancreatic acinar cells and ductal epithelial cells stimulating the production of bicarbonate rich fluid.Secretin porcine stimulates pancreatic and gastric secretions to aid in the diagnosis of pancreatic exocrine dysfunction and the diagnosis of gastrinoma.