Cited by 154Genetic and Clinical Aspects of Sex Determination and Chromosomal AbnormalitiesSexual Differentiation and DisordersSex and Gender in Healthcare

A primer on the use of mouse models for identifying direct sex chromosome effects that cause sex differences in non-gonadal tissues

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Burgoyne, Paul S., Arnold, Arthur P.·2016·Biology of Sex Differences

Abstract

In animals with heteromorphic sex chromosomes, all sex differences originate from the sex chromosomes, which are the only factors that are consistently different in male and female zygotes. In mammals, the imbalance in Y gene expression, specifically the presence vs. absence of Sry , initiates the differentiation of testes in males, setting up lifelong sex differences in the level of gonadal hormones, which in turn cause many sex differences in the phenotype of non-gonadal tissues. The inherent imbalance in the expression of X and Y genes, or in the epigenetic impact of X and Y chromosomes, also has the potential to contribute directly to the sexual differentiation of non-gonadal cells. Here, we review the research strategies to identify the X and Y genes or chromosomal regions that cause direct, sexually differentiating effects on non-gonadal cells. Some mouse models are useful for separating the effects of sex chromosomes from those of gonadal hormones. Once direct “sex chromosome effects” are detected in these models, further studies are required to narrow down the list of candidate X and/or Y genes and then to identify the sexually differentiating genes themselves. Logical approaches to the search for these genes are reviewed here.

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Authors
Burgoyne, P. S., & Arnold, A. P.
Affiliations
  • National Institute for Medical Research (GB)
  • University of California, Los Angeles (US)
Corresponding author
Arnold, Arthur P.
Venue
Biology of Sex Differences
Published
2016-12
Volume
7
Issue
1
Pages
68-68
ISSN
2042-6410 (ISSN-L)
OpenAlex
W2563939294
Cited by
154
References
144
Citations by year
2026: 17 · 2025: 11 · 2024: 34 · 2023: 14 · 2022: 23 · 2021: 17 · 2020: 14 · 2019: 7 · 2018: 9 · 2017: 8
FWCI
1.07
Type
journal article
Language
en
Open access
Locations
  • Biology of Sex Differences (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Figshare (submittedVersion, cc-by)
  • The Francis Crick Institute (cc-by)
Funders
  • UK Medical Research Council (U117532009)
  • NIMH (MH59268)
  • National Institute on Deafness and Other Communication Disorders (DC000217)
  • National Institute of Neurological Disorders and Stroke (NS045966, NS043196,)
  • NIDDK (DK083561)
  • National Institute of Child Health and Human Development (HD076125)
  • National Heart, Lung, and Blood Institute (HL119886, HL131182)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic and Clinical Aspects of Sex Determination and Chromosomal Abnormalities
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Sexual Differentiation and Disorders
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Sex and Gender in Healthcare
Keywords
sex differences, mouse model, SRY, Y chromosome, X chromosome, gonadal hormones, sexual differentiation, candidate gene identification, sex chromosome inactivation

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