Glutamate-based depression GBD.

Abstract:

:We describe a new term: glutamate-based depression (GBD). GBD is defined as a chronic depressive illness associated with environmental stress and diseases associated with altered glutamate neurotransmission. We hypothesize that glutamate-induced over-activation of extrasynaptic NMDA receptors in the subgenual cingulate area called Brodmann's 25 plays an important role in the etiology of depression and may be responsible for the high incidence of co-morbid depression associated in diseases with glutamate etiology. While depression is a syndrome with multiple possible etiologies, we propose that a disruption in glutamatergic neurotransmission may underline a substantial proportion of clinically observed depression. The high rates of depressive symptoms associated with various disorders in which altered glutamatergic functions have been identified, may suggest a common pathophysiological mechanism is underlying the diverse clinical presentations.

journal_name

Med Hypotheses

journal_title

Medical hypotheses

authors

McCarthy DJ,Alexander R,Smith MA,Pathak S,Kanes S,Lee CM,Sanacora G

doi

10.1016/j.mehy.2012.02.009

subject

Has Abstract

pub_date

2012-05-01 00:00:00

pages

675-81

issue

5

eissn

0306-9877

issn

1532-2777

pii

S0306-9877(12)00075-8

journal_volume

78

pub_type

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