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The T-box family.

Val Wilson1, Frank L Conlon

  • 1Department of Genetics, 220 Fordham Hall, University of North Carolina, Chapel Hill, NC 27599-3280, USA. frank_conlon@med.unc.edu

Genome Biology
|July 3, 2002
PubMed
Summary
This summary is machine-generated.

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T-box transcription factors are crucial for vertebrate development and organogenesis. Mutations in these genes cause severe developmental defects and are linked to human congenital disorders and cancers.

Area of Science:

  • Developmental Biology
  • Genetics
  • Evolutionary Biology

Background:

  • Transcription factors of the T-box family play vital roles in early cell-fate decisions.
  • These factors are essential for establishing the vertebrate body plan and subsequent organogenesis.

Purpose of the Study:

  • To summarize the critical functions of T-box transcription factors in development.
  • To highlight the consequences of T-box gene mutations in various organisms and human diseases.

Main Methods:

  • Review of existing literature on T-box gene function.
  • Analysis of genetic studies in model organisms (mouse, zebrafish).
  • Examination of clinical data linking T-box genes to human syndromes and cancers.

Main Results:

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  • T-box genes are fundamental for early vertebrate development and limb patterning.
  • Mutations lead to significant developmental phenotypes in model organisms.
  • T-box gene alterations are implicated in Holt-Oram, ulnar-mammary, and DiGeorge syndromes.
  • Amplification of T-box genes is observed in certain cancers.

Conclusions:

  • T-box transcription factors are indispensable for vertebrate development, differentiation, and organogenesis.
  • Dysregulation of T-box genes contributes to a range of congenital malformations and oncogenesis.
  • The widespread presence of T-box genes across diverse animal phyla underscores their evolutionary importance.