Molecular characterization of seizure-related genes isolated by differential screening.

Abstract:

:To isolate seizure-related genes, we applied differential screening technique to the cDNA library which constructed from primary cultured cerebral cortical cells treated with pentylenetetrazol (PTZ). Northern blotting analysis of mRNA levels in the cerebra after systemic administration of PTZ confirmed the results of differential screening procedure: 6 clones showed increased mRNA level and 3 clones showed decreased expression with PTZ. Interestingly, 4 genes which were isolated by this technique were related to intracellular calcium action. They were cytosolic phospholipase A2, 78 kDa glucose regulated protein, SEZ-15 which has an EF hand motif and PTZ-17 that causes calcium current in Xenopus oocyte with PTZ application. These data and our previous results suggest that intracellular calcium may play an important role for seizure-related pathophysiological changes in neuronal cells.

authors

Kajiwara K,Nagawawa H,Shimizu-Nishikawa S,Ookuri T,Kimura M,Sugaya E

doi

10.1006/bbrc.1996.0313

subject

Has Abstract

pub_date

1996-02-27 00:00:00

pages

795-9

issue

3

eissn

0006-291X

issn

1090-2104

pii

S0006291X96903137

journal_volume

219

pub_type

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