[The electrophysiological properties of voltage-gated potassium channels on cultivated porcine retinal ganglion cells irradiated with continuous near-infrared laser].

Objective: To investigate the influence of continuous near-infrared (CNI) laser to potassium ion channels on retinal ganglion cell (RGC).

Methods: Experiment study. Porcine RGC was cultured with enzymatic digestion method in vitro by taking off the retina from the piglets.

Effects of Resibufogenin and Cinobufagin on voltage-gated potassium channels in primary cultures of rat hippocampal neurons.

Outward delayed rectifier potassium channel and outward transient potassium channel have multiple important roles in maintaining the excitability of hippocampal neurons. The present study investigated the effects of two bufadienolides, Resibufogenin (RBG) and Cinobufagin (CBG), on the outward delayed rectifier potassium current (IK) and outward transient potassium current (IA) in rat hippocampal neurons. RBG and CBG have similar structures and both were isolated from the venom gland of toad skin.