ArticleBrain research. Molecular brain research2004
Photoperiodic regulation of androgen receptor and steroid receptor coactivator-1 in Siberian hamster brain.
Article in Brain research. Molecular brain research, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed, 40 citations in OpenAlex.
- Photoperiod, but not testosterone, increases basal metabolic rate in house sparrows.Integrative organismal biology (Oxford, England) · 2026Article
- Steroid receptor coactivator-1: The central intermediator linking multiple signals and functions in the brain and spinal cord.Genes & diseases · 2022Review
- Low Daytime Light Intensity Disrupts Male Copulatory Behavior, and Upregulates Medial Preoptic Area Steroid Hormone and Dopamine Receptor Expression, in a Diurnal Rodent Model of Seasonal Affective Disorder.Frontiers in behavioral neuroscience · 2019Article
- Winning agonistic encounters increases testosterone and androgen receptor expression in Syrian hamsters.Hormones and behavior · 2016Article
- Seasonal changes of androgen receptor, estrogen receptors and aromatase expression in the medial preoptic area of the wild male ground squirrels (Citellus dauricus Brandt).European journal of histochemistry : EJH · 2016Article
- Androgen Receptors Expression in Pituitary of Male Viscacha in relation to Growth and Reproductive Cycle.International journal of endocrinology · 2015Article
- Nuclear receptor coactivators: regulators of steroid action in brain and behaviour.Journal of neuroendocrinology · 2013Review
- Diversity of mechanisms involved in aromatase regulation and estrogen action in the brain.Biochimica et biophysica acta · 2010Review
- Modulation of steroid action in the central and peripheral nervous systems by nuclear receptor coactivators.Psychoneuroendocrinology · 2009Review
- Who's in charge? Nuclear receptor coactivator and corepressor function in brain and behavior.Frontiers in neuroendocrinology · 2009Review
- Nuclear receptor coactivators: essential players for steroid hormone action in the brain and in behaviour.Journal of neuroendocrinology · 2009Review
- Effects of anabolic androgenic steroids on the development and expression of running wheel activity and circadian rhythms in male rats.Physiology & behavior · 2007Article
- Housing condition alters immunological and reproductive responses to day length in Siberian hamsters (Phodopus sungorus).Hormones and behavior · 2007Article
- Cells in behaviourally relevant brain regions coexpress nuclear receptor coactivators and ovarian steroid receptors.Journal of neuroendocrinology · 2007Article
Corrections and comments
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Authors and funding
4 authors at 1 institution in 1 country.
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Abstract
Seasonal changes in the neuroendocrine actions of gonadal steroid hormones are triggered by fluctuations in daylength. The mechanisms responsible for photoperiodic influences upon the feedback and behavioral effects of testosterone in Siberian hamsters are poorly understood. We hypothesized that daylength regulates the expression of androgen receptor (AR) and/or steroid receptor coactivator-1 (SRC-1) in specific forebrain regions. Hamsters were castrated and implanted with either oil-filled capsules or low doses of testosterone; half of the animals remained in 16L/8D and the rest were kept in 10L/14D for the ensuing 70 days. The number of AR-immunoreactive (AR-ir) cells was regulated by testosterone in medial amygdala and caudal arcuate, and by photoperiod in the medial preoptic nucleus and the posterodorsal medial amygdala. A significant interaction between photoperiod and androgen treatment was found in medial preoptic nucleus and posterodorsal medial amygdala. The molecular weight and distribution of SRC-1 were similar to reports in other rodent species, and short days reduced the number of SRC-1-ir cells in posteromedial bed nucleus of the stria terminalis (BNST) and posterodorsal medial amygdala. A significant interaction between androgen treatment and daylength in regulation of SRC-1-ir was found in anterior medial amygdala. The present results indicate that daylength-induced fluctuations in SRC-1 and AR expression may contribute to seasonally changing effects of testosterone.
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