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Chem Senses


Title:Effect of Ovarian Hormones and Mating Experience on the Preference of Female Mice to Investigate Male Urinary Pheromones
Author(s):McCarthy EA; Naik AS; Coyne AF; Cherry JA; Baum MJ;
Address:"Department of Biology, Boston University, Boston, MA, USA. Department of Psychological and Brain Sciences, Boston University, Boston, MA, USA"
Journal Title:Chem Senses
Year:2018
Volume:43
Issue:2
Page Number:97 - 104
DOI: 10.1093/chemse/bjx073
ISSN/ISBN:1464-3553 (Electronic) 0379-864X (Print) 0379-864X (Linking)
Abstract:"In female mice, the expression of receptive lordosis behavior requires estradiol and progesterone actions in the nervous system; however, the contribution of these hormones to females' motivation to seek out male pheromones is less clear. In an initial experiment, sexually naive ovary-intact female mice preferred to investigate (make nasal contact with) testes-intact male as opposed to estrous female urine, provided they were in vaginal estrus. In a second experiment, groups of sexually naive and mating-experienced, ovariectomized females were tested for urinary pheromone preference first without and then with ovarian hormone replacement. Without hormone replacement, sexually naive ovariectomized females showed no preference for male over female urinary pheromones whereas mating-experienced females preferred to investigate male pheromones. Ovariectomized females in both groups preferred male over female urine after sequential s.c. injections with estradiol benzoate followed 2 days later with progesterone and after prolonged (7 days) exposure to estradiol alone. Our results indicate that in sexually naive female mice estradiol, perhaps aided by progesterone, is required to motivate a preference to seek out male pheromones whereas after mating experience females' preference to investigate male pheromones persists even in the absence of ovarian hormone action"
Keywords:"Animals Estrogens/*administration & dosage Estrus Female Injections, Subcutaneous Male Mating Preference, Animal/*physiology Mice, Inbred C57BL Ovariectomy Ovary/*metabolism Progesterone/*administration & dosage Sex Attractants/*urine *Sex Factors female;"
Notes:"MedlineMcCarthy, Elizabeth A Naik, Ajay S Coyne, Allison F Cherry, James A Baum, Michael J eng Research Support, N.I.H., Extramural England 2017/12/07 Chem Senses. 2018 Feb 2; 43(2):97-104. doi: 10.1093/chemse/bjx073"

 
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