Cited by 28Olfactory and Sensory Function StudiesNeurogenesis and neuroplasticity mechanismsHypothalamic control of reproductive hormones

Opposite-sex attraction in male mice requires testosterone-dependent regulation of adult olfactory bulb neurogenesis

Open access
Schellino, Roberta, Trova, Sara, Cimino, Irene, Farinetti, Alice, Jongbloets, Bart C., Pasterkamp, R. Jeroen, Panzica, Giancarlo, Giacobini, Paolo +2 more·2016·Scientific Reports

Abstract

Opposite-sex attraction in most mammals depends on the fine-tuned integration of pheromonal stimuli with gonadal hormones in the brain circuits underlying sexual behaviour. Neural activity in these circuits is regulated by sensory processing in the accessory olfactory bulb (AOB), the first central station of the vomeronasal system. Recent evidence indicates adult neurogenesis in the AOB is involved in sex behaviour; however, the mechanisms underlying this function are unknown. By using Semaphorin 7A knockout (Sema7A ko) mice, which show a reduced number of gonadotropin-releasing-hormone neurons, small testicles and subfertility, and wild-type males castrated during adulthood, we demonstrate that the level of circulating testosterone regulates the sex-specific control of AOB neurogenesis and the vomeronasal system activation, which influences opposite-sex cue preference/attraction in mice. Overall, these data highlight adult neurogenesis as a hub for the integration of pheromonal and hormonal cues that control sex-specific responses in brain circuits.

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Authors
Schellino, R., Trova, S., Cimino, I., Farinetti, A., Jongbloets, B. C., Pasterkamp, R. J., Panzica, G., Giacobini, P., De Marchis, S., & Peretto, P.
Affiliations
  • Neuroscience Institute Cavalieri Ottolenghi (IT)
  • University of Turin (IT)
  • University Medical Center Utrecht (NL)
  • Inserm (FR)
Corresponding author
Peretto, Paolo
Venue
Scientific Reports
Published
2016-10-26
Volume
6
Issue
1
Pages
36063-36063
ISSN
2045-2322 (ISSN-L)
OpenAlex
W2545110727
Cited by
28
References
72
Citations by year
2026: 1 · 2025: 2 · 2024: 4 · 2023: 2 · 2022: 1 · 2021: 3 · 2020: 4 · 2019: 2 · 2018: 4 · 2017: 5
FWCI
2.72
Type
journal article
Language
en
Open access
Locations
  • Scientific Reports (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Institutional Research Information System University of Turin (University of Turin) (submittedVersion, cc-by)
  • Utrecht University Repository (Utrecht University) (submittedVersion, other-oa)
Funders
  • Agence Nationale de la Recherche (ANR-14-CE12-0015)
  • Università degli Studi di Torino
Topics
  • Life Sciences › Neuroscience › Sensory Systems › Olfactory and Sensory Function Studies
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Health Sciences › Medicine › Reproductive Medicine › Hypothalamic control of reproductive hormones
Keywords
opposite-sex attraction, accessory olfactory bulb, vomeronasal system, testosterone, gonadal hormones, pheromones, sexual behavior, GnRH neurons, castration, male mice
MeSH terms
Animals, Male, Olfactory Bulb, Sexual Behavior, Animal, Testosterone, Antigens, CD, Mice, Knockout, Semaphorins, Mice, Neurogenesis

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