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Complex Phenotypes: Mechanisms Underlying Variation in Human Stature.

Pushpanathan Muthuirulan1, Terence D Capellini2,3

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Human height variation results from complex genetic, environmental, and evolutionary factors. Recent advances in genomics and evolutionary biology reveal new insights into skeletal growth control and height determination.

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Area of Science:

  • Genetics
  • Evolutionary Biology
  • Anthropometry

Background:

  • Human height is a variable trait influenced by numerous factors.
  • Historically, research focused on growth plate chondrocytes.
  • Current understanding involves complex interactions of genetic, environmental, and evolutionary elements.

Purpose of the Study:

  • To comprehensively review mechanisms of human stature variation.
  • To highlight new findings in skeletal growth control.
  • To discuss evolutionary influences on height.

Main Methods:

  • Review of recent genetic studies (GWAS).
  • Analysis of functional genomics breakthroughs (WES, methylation, ATAC-seq, CRISPR).
  • Inclusion of an evolutionary perspective.

Main Results:

  • Advances in genetics and functional genomics illuminate novel pathways in height variation.
  • Evolutionary perspectives reveal mechanisms shaping global height differences.
  • New insights into skeletal growth control influencing normal and pathological height.

Conclusions:

  • Human height variation is multifactorial, involving intricate genetic, environmental, and evolutionary interactions.
  • Genomic and evolutionary research continues to expand our understanding of height determination.
  • Future research will further elucidate the complex biological underpinnings of stature.