![]() |
|
|
Vol. 294, Issue 2, 588-597, August 2000
Laboratories of Neuropsychopharmacology (L.A., K.H.S., M.J.O.) and
Stress Neurobiology (K.V.T., P.M.P.), Department of Psychiatry and
Behavioral Sciences, Emory University School of Medicine, Atlanta,
Georgia; and the Department of Neuroscience (D.W.S.), Pfizer Central
Research, Groton, Connecticut
Corticotropin-releasing factor 1 (CRF1) receptor
antagonists may represent a novel group of drugs for the
pharmacotherapy of depression and/or anxiety disorders. We have
investigated the behavioral, endocrine, and neurochemical effects of
chronic administration of a selective CRF1 receptor
antagonist, CP-154,526. After 9 to 10 days of treatment with CP-154,526
(3.2 mg/kg/day), defensive withdrawal behavior was significantly
decreased suggesting anxiolytic activity. In animals treated for 14 days with the low dose of CP-154,526, serum corticosterone
concentrations returned to baseline levels faster after application of
an airpuff startle. Using in situ hybridization, no changes in
CRF1 receptor mRNA expression were detected in parietal
cortex, basolateral amygdala, or cerebellum after chronic treatment
with CP-154,526. A dose-dependent decrease in CRF mRNA expression was
observed in the hypothalamic paraventricular nucleus (PVN) and the
Barrington's nucleus, an effect that was significant at the high but
not the low dose of CP-154,526. CP-154,526 did not alter central
CRF2A receptor binding or mRNA expression, or urocortin
mRNA expression. The present findings suggest that chronic
administration of CP-154,526 produces anxiolytic-like effects but no
evidence of adrenal insufficiency. Previous postmortem studies revealed
increased CRF peptide and mRNA levels in the PVN of depressed patients,
which may mediate the hyperactivity of the
hypothalamic-pituitary-adrenal axis observed in such patients. In view
of a possible use for CRF1 receptor antagonists in the treatment of depression, the present finding that CP-154,526 decreases CRF synthesis in the PVN is of considerable interest.
This article has been cited by other articles:
![]() |
R. Pastor, C. S. McKinnon, A. C. Scibelli, S. Burkhart-Kasch, C. Reed, A. E. Ryabinin, S. C. Coste, M. P. Stenzel-Poore, and T. J. Phillips From the Cover: Corticotropin-releasing factor-1 receptor involvement in behavioral neuroadaptation to ethanol: A urocortin1-independent mechanism PNAS, July 1, 2008; 105(26): 9070 - 9075. [Abstract] [Full Text] [PDF] |
||||
![]() |
S. Le, J. A. Gruner, J. R. Mathiasen, M. J. Marino, and H. Schaffhauser Correlation between ex Vivo Receptor Occupancy and Wake-Promoting Activity of Selective H3 Receptor Antagonists J. Pharmacol. Exp. Ther., June 1, 2008; 325(3): 902 - 909. [Abstract] [Full Text] [PDF] |
||||
![]() |
M. Larauche, S. Bradesi, M. Million, P. McLean, Y. Tache, E. A. Mayer, and J. A. McRoberts Corticotropin-releasing factor type 1 receptors mediate the visceral hyperalgesia induced by repeated psychological stress in rats Am J Physiol Gastrointest Liver Physiol, April 1, 2008; 294(4): G1033 - G1040. [Abstract] [Full Text] [PDF] |
||||
![]() |
C. Doyon, P. Samson, J. Lalonde, and D. Richard Effects of the CRF1 receptor antagonist SSR125543 on energy balance and food deprivation-induced neuronal activation in obese Zucker rats J. Endocrinol., April 1, 2007; 193(1): 11 - 19. [Abstract] [Full Text] [PDF] |
||||
![]() |
A. R. Ayala, J. Pushkas, J. D. Higley, D. Ronsaville, P. W. Gold, G. P. Chrousos, K. Pacak, K. A. Calis, M. Gerald, S. Lindell, et al. Behavioral, Adrenal, and Sympathetic Responses to Long-Term Administration of an Oral Corticotropin-Releasing Hormone Receptor Antagonist in a Primate Stress Paradigm J. Clin. Endocrinol. Metab., November 1, 2004; 89(11): 5729 - 5737. [Abstract] [Full Text] [PDF] |
||||
![]() |
A. Chen, J. Vaughan, and W. W. Vale Glucocorticoids Regulate the Expression of the Mouse Urocortin II Gene: A Putative Connection between the Corticotropin-Releasing Factor Receptor Pathways Mol. Endocrinol., August 1, 2003; 17(8): 1622 - 1639. [Abstract] [Full Text] [PDF] |
||||
![]() |
Y.-W. Li, G. Hill, H. Wong, N. Kelly, K. Ward, M. Pierdomenico, S. Ren, P. Gilligan, S. Grossman, G. Trainor, et al. Receptor Occupancy of Nonpeptide Corticotropin-Releasing Factor 1 Antagonist DMP696: Correlation with Drug Exposure and Anxiolytic Efficacy J. Pharmacol. Exp. Ther., April 1, 2003; 305(1): 86 - 96. [Abstract] [Full Text] [PDF] |
||||
![]() |
D. A. Gutman, M. J. Owens, K. H. Skelton, K. V. Thrivikraman, and C. B. Nemeroff The Corticotropin-Releasing Factor1 Receptor Antagonist R121919 Attenuates the Behavioral and Endocrine Responses to Stress J. Pharmacol. Exp. Ther., February 1, 2003; 304(2): 874 - 880. [Abstract] [Full Text] [PDF] |
||||
![]() |
M. A. Pelleymounter, M. Joppa, N. Ling, and A. C. Foster Pharmacological Evidence Supporting a Role for Central Corticotropin-Releasing Factor2 Receptors in Behavioral, but not Endocrine, Response to Environmental Stress J. Pharmacol. Exp. Ther., July 1, 2002; 302(1): 145 - 152. [Abstract] [Full Text] [PDF] |
||||
![]() |
D. Gully, M. Geslin, L. Serva, E. Fontaine, P. Roger, C. Lair, V. Darre, C. Marcy, P.-E. Rouby, J. Simiand, et al. 4-(2-Chloro-4-methoxy-5-methylphenyl)-N-[(1S)-2-cyclopropyl-1-(3-fluoro-4-methylphenyl)ethyl]5-methyl-N-(2-propynyl)-1,3-thiazol-2-amine Hydrochloride (SSR125543A): A Potent and Selective Corticotrophin-Releasing Factor1 Receptor Antagonist. I. Biochemical and Pharmacological Characterization J. Pharmacol. Exp. Ther., April 1, 2002; 301(1): 322 - 332. [Abstract] [Full Text] [PDF] |
||||
![]() |
G. Griebel, J. Simiand, R. Steinberg, M. Jung, D. Gully, P. Roger, M. Geslin, B. Scatton, J.-P. Maffrand, and P. Soubrie 4-(2-Chloro-4-methoxy-5-methylphenyl)-N-[(1S)-2-cyclopropyl-1-(3-fluoro-4-methylphenyl)ethyl]5-methyl-N-(2-propynyl)-1, 3-thiazol-2-amine Hydrochloride (SSR125543A), a Potent and Selective Corticotrophin-Releasing Factor1 Receptor Antagonist. II. Characterization in Rodent Models of Stress-Related Disorders J. Pharmacol. Exp. Ther., April 1, 2002; 301(1): 333 - 345. [Abstract] [Full Text] [PDF] |
||||
![]() |
C. Keller, A. Bruelisauer, M. Lemaire, and A. Enz Brain Pharmacokinetics of a Nonpeptidic Corticotropin-Releasing Factor Receptor Antagonist Drug Metab. Dispos., February 1, 2002; 30(2): 173 - 176. [Abstract] [Full Text] [PDF] |
||||