Entorhinal cortex lesioning protects hippocampal CA3 neurons from stress-induced damage

Sunanda, ; Meti, B. L. ; Raju, T. R. (1997) Entorhinal cortex lesioning protects hippocampal CA3 neurons from stress-induced damage Brain Research, 770 (1-2). pp. 302-306. ISSN 0006-8993

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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S00068...

Related URL: http://dx.doi.org/10.1016/S0006-8993(97)00888-3

Abstract

The role of the entorhinal cortex (EC) in stress-induced damage in terms of dendritic branching points and intersections of hippocampal CA3 neurons has been investigated. Following bilateral electrolytic lesions of the EC, the rats were subjected to restraint stress, 6 h per day for 21 days. Chronic restraint stress resulted in the atrophy of hippocampal CA3 neurons and the lesioning of the EC prior to stress significantly (P<0.001) reduced this dendritic atrophy. These results show that the neuronal vulnerability to chronic stress can be attenuated by entorhinal glutamatergic denervation.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
Keywords:Chronic Restraint Stress; Dendritic Atrophy; Entorhinal Cortex; Hippocampus
ID Code:38507
Deposited On:30 Apr 2011 08:51
Last Modified:30 Apr 2011 08:51

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