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  • 1
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    Release of luteinizing hormone in male mice during exposure to females: habituation of the response (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-11-30
    Description: Male mice release luteinizing hormone when exposed for a short time to a female. In this experiment, multiple blood samples were withdrawn by atrial cannulas from tethered males during either continuous or intermittent exposure to nonreceptive females. After an immediate, transient release of luteinizing hormone, continuous exposure to the same female was accompanied by only random, spontaneous elevations in plasma levels of this hormone. Successive presentations of the same female at 2-hour intervals elicited gradually diminishing luteinizing hormone responses. Exposing such unresponsive males to novel, diestrous females, however, dramatically stimulated their release of the hormone. These results demonstrate habituation of a socially induced, neuroendocrine response involving reproductive hormones.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Coquelin, A -- Bronson, F H -- New York, N.Y. -- Science. 1979 Nov 30;206(4422):1099-101.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/573924" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arousal/physiology ; Diestrus ; Female ; Habituation, Psychophysiologic/*physiology ; Luteinizing Hormone/*metabolism ; Male ; Mice ; Pregnancy ; Sexual Behavior, Animal/physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Sexual characteristics of adult female mice are correlated with their blood testosterone levels during prenatal development (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-05-09
    Description: Mice produce litters containing many pups, and the female fetuses that develop between male fetuses have significantly higher concentrations of the male sex steroid testosterone in both their blood and amniotic fluid than do females that develop between other female fetuses. These two types of females differ during later life in many sexually related characteristics. Thus, individual variation in sexual characteristics of adult female mice may be traceable to differential exposure to testosterone during prenatal development because of intrauterine proximity to male fetuses.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉vom Saal, F S -- Bronson, F H -- New York, N.Y. -- Science. 1980 May 9;208(4444):597-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7367881" target="_blank"〉PubMed〈/a〉
    Keywords: Age Factors ; Amniotic Fluid/*metabolism ; Animals ; Estradiol/blood ; Estrus ; Female ; Fetal Blood/*metabolism ; Male ; Mice/*embryology ; Pregnancy ; Progesterone/blood ; *Sex Differentiation ; Sex Ratio ; Sexual Behavior, Animal/*physiology ; Testosterone/*blood
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 3
    Electronic Resource
    Electronic Resource
    Strange Male Block to Pregnancy: its Absence in Inbred Mouse Strains (1965)
    [s.l.] : Nature Publishing Group
    Nature 207 (1965), S. 878-878 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We felt that the physiological mechanisms involved in this phenomenon could be studied most effectively using highly inbred strains of mice, both because of a high degree of genetic control and because strains might differ in manifestation of the pregnancy block. Therefore a preliminary survey was ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/207878a0
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  • 4
    Electronic Resource
    Electronic Resource
    Experiential and Endocrine Dependence of Gonadotropin Responses in Male Mice to Conspecific Urine (1987)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 510 (1987), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1987.tb43512.x
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  • 5
    Electronic Resource
    Electronic Resource
    The effects of running activity on the reproductive axes of rodents (1994)
    Springer
    Journal of comparative physiology 174 (1994), S. 741-746 
    Details
    ISSN: 1432-1351
    Keywords: Photoresponsiveness ; Seasonal breeding ; Gonadal recrudescence ; Luteinizing hormone ; Exercise
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Access to a running wheel causes gonadal recrudescence in Syrian hamsters whose reproductive axes have been suppressed by housing them under short day lengths (Borer et al. 1983). The first experiment tested the generality of this phenomenon in a population of rodents that is genetically heterogeneous for reproductive photoresponsiveness. Male meadow voles (Microtus pennsylvanicus) of the two extreme phenotypes — reproductively photoresponsive and non-responsive — were either provided with a running wheel or housed without one. After 4 weeks with a wheel, the responsive voles had recovered full reproductive function, while the reproductive axes of responsive voles housed without wheels remained suppressed. Three experiments queried whether the use of a wheel would have reproductively stimulative effects in other rodents. First, intact male mice given access to wheels showed no increase in testis size when compared to mice housed without wheels. Likewise, locomotor activity had no effect on male rats whose testes were partially regressed in response to testosterone implants or on female mice whose estrous cycles were pheromonally suppressed by housing them in groups. Thus the neuroendocrine pathway used by locomotor activity to enhance the secretion of gonadotropin is specifically allied with the pathway used by photoperiod to control GnRH secretion.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00192723
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  • 6
    Electronic Resource
    Electronic Resource
    Pregnancy blocking capacity and inbreeding in laboratory mice (1968)
    Springer
    Cellular and molecular life sciences 24 (1968), S. 199-200 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Résumé Des expériences sur l'inhibition de l'implantation normale de l'oeuf fertilisé dans la paroi utérine (l'effetBruce), faites avec plusieurs générations de souris consanguines ainsi qu'avec un groupe hétérosanguin, indiquent que la disparition de cette inhibition est due à la sélection plutôt qu'à l'homozygosité. L'odeur provoquant cette inhibition et celle qui favorise la synchronisation estrogénique (l'effetWhitten), semblent être des émanations urinaires différentes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02146987
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  • 7
    Electronic Resource
    Electronic Resource
    Genetic selection for reproductive photoresponsiveness in deer mice (1986)
    [s.l.] : Nature Publishing Group
    Nature 322 (1986), S. 172-173 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In the northern United States and southern Canada, members of the rodent genus Peromyscus usually exhibit a well-defined breeding season. Reproduction is largely limited to the spring and summer when food is plentiful, the climate benign and photoperiod long2'3. Several northern populations of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/322172a0
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  • 8
    Electronic Resource
    Electronic Resource
    Success of smell (1991)
    [s.l.] : Nature Publishing Group
    Nature 349 (1991), S. 576-576 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] MOST mammals routinely broadcast self-identifying chemical signals while going about their daily activities. This can be done passively while urinating, defecating or expelling breath; alternatively, it may involve the deliberate marking of objects in the mammal's environment with secretions of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/349576a0
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  • 9
    Electronic Resource
    Electronic Resource
    Rapid deposition of subcutaneous areolar tissue in response to sexual stimulation in mice (1979)
    [s.l.] : Nature Publishing Group
    Nature 281 (1979), S. 301-302 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The phenomenon is illustrated in Fig. 1. In these preliminary experiments, CF1 female mice were weaned at 21-24 d and immediately housed in a room free of males. When they weighed 16-17 g, the females were either regrouped in the same room or paired individually with adult males in another room, a ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/281301a0
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  • 10
    Electronic Resource
    Electronic Resource
    Adrenal-oestrous Relationships in Grouped or Isolated Female Mice (1968)
    [s.l.] : Nature Publishing Group
    Nature 218 (1968), S. 483-484 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The primary purpose of the work reported here was to evaluate social stress as a possible basis for the suppression of oestrus frequently found among groups consisting only of females. Initial experiments, however, showed heavier adrenals in isolated than in grouped females. Concentrations of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/218483a0
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