Cited by 39Congenital limb and hand anomaliesDevelopmental Biology and Gene RegulationCongenital heart defects research

Mouse Tbx3 Mutants Suggest Novel Molecular Mechanisms for Ulnar-Mammary Syndrome

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Frank, Deborah U., Emechebe, Uchenna, Thomas, Kirk R., Moon, Anne M.·2013·PLoS ONE

Abstract

The transcription factor TBX3 plays critical roles in development and TBX3 mutations in humans cause Ulnar-mammary syndrome. Efforts to understand how altered TBX3 dosage and function disrupt the development of numerous structures have been hampered by embryonic lethality of mice bearing presumed null alleles. We generated a novel conditional null allele of Tbx3: after Cre-mediated recombination, no mRNA or protein is detectable. In contrast, a putative null allele in which exons 1-3 are deleted produces a truncated protein that is abnormally located in the cytoplasm. Heterozygotes and homozygotes for this allele have different phenotypes than their counterparts bearing a true null allele. Our observations with these alleles in mice, and the different types of TBX3 mutations observed in human ulnar-mammary syndrome, suggest that not all mutations observed in humans generate functionally null alleles. The possibility that mechanisms in addition to TBX3 haploinsufficiency may cause UMS or other malformations merits investigation in the human UMS population.

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Crossref · 10.1371/journal.pone.0067841

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  • Mutations in the human TBX3 and TBX5 genes cause ulnar-mammary syndrome and Holt-Oram syndrome, respectively.

    “Mutations in the human TBX3 and TBX5 genes cause ulnar-mammary syndrome (UMS, OMIM 181450) and Holt-Oram syndrome (HOS, OMIM 142900), respectively.”

    From The oncoprotein TBX3 is controlling severity in experimental arthritis (2019) · cites this paper as [22]

    The Introduction states that people with TBX3 mutations have ulnar-mammary syndrome, and the Abstract says TBX3 mutations cause it. The paper’s References link TBX5 with Holt-Oram syndrome, but no passage in our copy states that human TBX5 mutations cause the syndrome. Page numbers are unavailable in our copy. (LLM, conf=0.88)

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2 of the 21 references couldn’t be matched to a known paper.

Research works printed but not linked: 1

  1. [19]Herrmann BG (1991) Expression pattern of the Brachyury gene in whole-mount TWis/TWis mutant embryos. Development 113: 913– 917. 1821859

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Authors
Frank, D. U., Emechebe, U., Thomas, K. R., & Moon, A. M.
Affiliations
University of Utah (US)
Corresponding author
Moon, Anne M.
Venue
PLoS ONE
Published
2013-07-02
Volume
8
Issue
7
Pages
e67841
ISSN
1932-6203 (ISSN-L)
OpenAlex
W2084647989
Cited by
39
References
21
Citations by year
2026: 1 · 2025: 1 · 2024: 2 · 2023: 4 · 2022: 4 · 2021: 3 · 2020: 5 · 2019: 5 · 2018: 2 · 2016: 4 · 2015: 5 · 2014: 3
FWCI
3.08
Type
journal article
Language
en
Open access
Locations
  • PLoS ONE (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
Funders
  • March of Dimes Foundation
  • National Institutes of Health
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (R01HD046767, K12HD047349)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Developmental Biology › Congenital limb and hand anomalies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Congenital heart defects research
Keywords
TBX3, ulnar-mammary syndrome, truncated protein, haploinsufficiency, mouse mutants, transcription factor dosage, developmental malformations
MeSH terms
Abnormalities, Multiple, Animals, Breast Diseases, Female, Genotype, Heart, Hindlimb, Humans, Immunohistochemistry, Male, Mice, Inbred Strains, Mutation, Myocardium, Ulna, Mice, Knockout, Gene Expression Regulation, Developmental, Reverse Transcriptase Polymerase Chain Reaction, T-Box Domain Proteins, Mice, Mice, 129 Strain

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