PMID: 8971932Jan 1, 1996Paper

Ovarian hormones alter the behavioral response of the medial preoptic anterior hypothalamus to arginine-vasopressin

Peptides
H E AlbersD C Whitman

Abstract

In Syrian hamsters (Mesocricetus auratus) arginine-vasopressin (AVP) within the medial preoptic-anterior hypothalamus (MPOA-AH) plays a critical role in the control of a hormone-dependent behavior called flank marking. The present study investigated whether ovarian hormones influence flank marking by altering the response of the MPOA-AH to AVP. The amount of flank marking stimulated by microinjection of AVP (9 microM in 200 nl saline) into the MPOA-AH varied significantly over the 4 days of the estrous cycle with the lowest levels of flank marking observed on estrus. A second experiment demonstrated that administration of progesterone significantly reduced AVP-stimulated flank marking in estradiol-treated ovariectomized hamsters. These data support the hypothesis that the changing levels of estradiol and progesterone during the estrous cycle influence flank marking by altering the sensitivity or response of the MPOA-AH to AVP.

References

May 1, 1975·Proceedings of the Society for Experimental Biology and Medicine·K Ridley, G S Greenwald
Jun 12, 1992·Annals of the New York Academy of Sciences·H E AlbersD C Whitman
Sep 13, 1988·European Journal of Pharmacology·C F FerrisH E Albers
Mar 1, 1973·Endocrinology·R Baranczuk, G S Greenwald
Aug 31, 1981·Brain Research·P C Doherty, P J Sheridan
Jan 1, 1981·Behavioral and Neural Biology·R E Johnston
Mar 13, 1995·Brain Research·A E JohnsonH E Albers

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Citations

Feb 28, 2004·Brain Research·Heather K Caldwell, H Elliott Albers
Jun 26, 2001·Brain Research. Brain Research Reviews·J L Goodson, A H Bass
Dec 11, 2002·Journal of Neuroendocrinology·A C HarmonH E Albers

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