Postsynaptic density protein 95 antisense oligodeoxynucleotides inhibits the activation of MLK3 and JNK3 via the GluR6.PSD-95.MLK3 signaling module after transient cerebral ischemia in rat hippocampus.

Abstract:

:In this study, we investigated the effect of PSD-95 antisense oligodeoxynucleotides on the phosphorylation of MLK3, JNK3 and interactions of MLK3 and PSD-95 with kainate receptor (GluR6) by immunoprecipitation and immunoblotting. Transient (15 min) brain ischemia was induced by the four-vessel occlusion in Sprague-Dawley rats. The antisense oligodeoxynucleotides of PSD-95 were administrated to the SD rats once per day for 3 days before ischemia. Our data show that the antisense oligodeoxynucleotides could inhibit phosphorylation of MLK3 and JNK3 and decrease the interactions of MLK3 and PSD-95 with GluR6. These results indicate that PSD-95 plays an important role in the formation of the GluR6.PSD-95.MLK3 signaling module and MLK3 and JNK3 activation in postischemic rat hippocampus.

journal_name

Neurosci Lett

journal_title

Neuroscience letters

authors

Pei DS,Sun YF,Guan QH,Hao ZB,Xu TL,Zhang GY

doi

10.1016/j.neulet.2004.05.082

keywords:

subject

Has Abstract

pub_date

2004-08-26 00:00:00

pages

71-5

issue

1

eissn

0304-3940

issn

1872-7972

pii

S0304394004006780

journal_volume

367

pub_type

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