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Peptides. 2006 Aug;27(8):1956-69. Epub 2006 Jul 5.

Cocaine and amphetamine regulated transcript (CART) and the stress response.

Author information

1
Ege University Center for Brain Research, Department of Physiology, Bornova, 35100 Izmir, Turkey. ersin.koylu@ege.edu.tr

Abstract

CART is expressed abundantly in the hypothalamic paraventricular nucleus and locus coeruleus, major corticotropin releasing factor (CRF) and noradrenaline sources, respectively. There is a bidirectional relation between CART and hypothalamo-pituitary-adrenal axis activity. CART stimulates CRF, adrenocorticotropic hormone and glucocorticoid secretion, whereas CRF and glucocorticoids increase the transcriptional activity of the CART gene; adrenalectomy declines CART expression in the hypothalamus. Stress exposure modulates CART expression in hypothalamus and amygdala in rat brain in a region and sex specific manner. CART may be a mediator peptide in the interaction between stress, drug abuse, and feeding. The review discusses the established role of CART as it relates to the stress response.

PMID:
16822586
DOI:
10.1016/j.peptides.2006.03.032
[Indexed for MEDLINE]

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