Cl(-)-dependent excitotoxicity is associated with 3H2O influx in chick embryonic retina.

Abstract:

:The aim of this study was to show that Cl(-)-dependent excitotoxicity, with its characteristic cell swelling, involves actual water influx into the intracellular compartment. Taking advantage of the Ca2+ omission paradigm of Cl(-)-dependent excitotoxicity, in the chick embryonic neural retina ex vivo, which is associated with toxicity levels (lactate dehydrogenase (LDH) release) considerably higher than those seen after simple exposure of the retinas to glutamate agonists, we have demonstrated that an intracellular water intake of 4.2 microl into retinal cells is associated with 13.3% total retinal LDH release. The fact that mannitol blocks both water inflow and LDH release appears to link both events from a pathogenic point of view.

journal_name

Neuroreport

journal_title

Neuroreport

authors

Burgos JS,Barat A,Ramirez G

doi

10.1097/00001756-200011270-00037

subject

Has Abstract

pub_date

2000-11-27 00:00:00

pages

3779-82

issue

17

eissn

0959-4965

issn

1473-558X

journal_volume

11

pub_type

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