Dynorphin A (1-10), an endogenous opioid neuropeptide, binds to extracellular loop 2 of the κ-opioid receptor. Dynorphin A (1-10) also blocks NMDA-activated current with an IC50 of 42.0 μM.
Dynorphin A TFA, 作为一种内源性阿片肽,主要在中枢神经系统(CNS)中发挥抑制性神经传导的作用。该化合物不仅是kappa阿片受体(KOR)的高效激动剂,还能激活其他阿片受体,包括mu(MOR)和delta(DOR)。Dynorphin A TFA具有诱导神经元死亡的能力,因此在神经系统疾病的研究中具有应用价值。
Dynorphins are a class of opioid peptides that arise from the precursor protein prodynorphin. When prodynorphin is cleaved during processing by proprotein convertase 2 (PC2), multiple active peptides are released: dynorphin A, dynorphin B, and α/β-neo-end
Porcine dynorphin A (1-13) is a potent, endogenous κ-opioid receptor agonist that exhibits antinociceptive effects at physiological concentrations. Exposure to dynorphin A (1-13) causes acute increases in [Ca2+]i in individual neurons, similar to increases observed with acute exposure to other agents.