Research Article

Necroptosis Mediates TNF-Induced Toxicity of Hippocampal Neurons

Figure 1

The regulation of RIP3 in TNF-α-induced toxicity of hippocampal neurons in vivo. (a) Nissl staining of hippocampal neurons 72 h after treatment. Wild-type (WT) and RIP3 knockout (KO) mice received intracerebroventricular injection of PBS or the indicated dose of TNF-α. The neurons of brain sections from WT and KO mice were analyzed by Nissl staining ( ) and morphology of hippocampal CA3 region was shown. Arrows indicate the loss of hippocampal neurons. (b) and (c) Expressions of RIP1, RIP3, and caspase-3 in the hippocampus after TNF- α treatment. Proteins extracted from hippocampus in the wild-type mice treated with PBS or TNF-α were analyzed by western blot using indicated antibodies. PC: MEF cells were treated with staurosporine at 150 nM for 15 hours. The results shown here are representative of five mice.
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