Cited by 286Genetic and Clinical Aspects of Sex Determination and Chromosomal AbnormalitiesGenetics and Neurodevelopmental DisordersSexual Differentiation and Disorders

PHOG, a candidate gene for involvement in the short stature of Turner syndrome

Ellison, J.·1997·Human Molecular Genetics

Abstract

The abnormalities seen in Turner syndrome (monosomy X) presumably result from haploinsufficiency of certain genes on the X chromosome. Gene dosage considerations lead to the prediction that the culpable genes escape X inactivation and have functional homologs on the Y chromosome. Among the genes with these characteristics are those residing in the pseudoautosomal regions (PAR) of the sex chromosomes. A pseudoautosomal location for a dosage-sensitive locus involved in stature has been suggested based on the analyses of patients with deletions of a specific segment of the short arm PAR; hemizygosity for this putative locus probably also contributes to the short stature in Turner individuals. We have isolated a gene from the critical deleted region that encodes a novel homeodomain-containing transcription factor and is expressed at highest levels in osteogenic cells. We have named the gene PHOG, for pseudoautosomal homeobox-containing osteogenic gene. Its deletion in patients with short stature, the predicted altered dosage in 45,X individuals, along with the nature of the encoded protein and its expression pattern, make PHOG an attractive candidate for involvement in the short stature of Turner syndrome. We have also found that the mouse homolog of PHOG is autosomal, which may help to explain the lack of a growth abnormality in mice with monosomy X.

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Crossref · 10.1093/hmg/6.8.1341

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  • Absence of the SHOX gene in the pseudo-autosomal regions of the X chromosome is primarily responsible for the short stature and skeletal dysplasia in TS.

    “Absence of the short stature homeobox-containing (SHOX) gene in the pseudo-autosomal regions of the X chromosome is primarily responsible for the short stature and skeletal dysplasia in TS.7,145”

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Authors
Ellison, J.
Affiliations
University of California, San Francisco (US)
Corresponding author
Ellison, J.
Venue
Human Molecular Genetics
Published
1997-08-01
Volume
6
Issue
8
Pages
1341-1347
ISSN
  • 0964-6906 (ISSN-L)
  • 1460-2083
OpenAlex
W2166669288
Cited by
286
References
35
Citations by year
2026: 2 · 2025: 2 · 2024: 5 · 2023: 5 · 2022: 5 · 2021: 5 · 2020: 2 · 2019: 8 · 2018: 7 · 2017: 4 · 2016: 12 · 2015: 4 · 2014: 10 · 2013: 12 · 2012: 10
FWCI
7.88
Type
journal article
Language
en
Open access
closed
Locations
  • Human Molecular Genetics (publishedVersion)
  • PubMed (publishedVersion)
  • HighWire Press Open Archive (submittedVersion)
Funders
  • National Institutes of Health (5p30hd028825-10)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (HD-28825)
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 › Genetics › Genetics and Neurodevelopmental Disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Sexual Differentiation and Disorders
Keywords
Turner syndrome, short stature, PHOG, pseudoautosomal region, X chromosome, haploinsufficiency, homeodomain transcription factor, osteogenic cells, gene dosage, monosomy X, mouse homolog, candidate genes
MeSH terms
Short Stature Homeobox Protein, Amino Acid Sequence, Animals, Base Sequence, Chromosome Mapping, Cloning, Molecular, Humans, Molecular Sequence Data, Transcription Factors, Turner Syndrome, Gene Expression, Sequence Homology, Amino Acid, DNA, Complementary, Homeodomain Proteins, Mice

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