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The Eyes Absent proteins in development and in developmental disorders.

Upendra Kumar Soni1, Kaushik Roychoudhury1, Rashmi S Hegde1

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Eyes Absent (EYA) proteins regulate cell fate and organ development through transcriptional and phosphatase activities. Dysregulation of EYA proteins is linked to developmental disorders and cancers, impacting key signaling pathways.

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Area of Science:

  • Developmental Biology
  • Molecular Biology
  • Biochemistry

Background:

  • Eyes Absent (EYA) proteins are crucial transactivator-phosphatase enzymes involved in cell-fate determination and organogenesis.
  • EYA proteins possess dual activities: transcriptional regulation and protein tyrosine phosphatase function, independently influencing cellular processes.
  • Aberrant EYA activity is implicated in various developmental disorders and cancers, highlighting their critical role in health and disease.

Purpose of the Study:

  • To provide a comprehensive overview of the multifaceted roles of EYA proteins in embryonic development.
  • To elucidate the molecular signaling pathways associated with EYA-mediated organ development.
  • To highlight the connection between EYA protein dysregulation and human developmental disorders.

Main Methods:

  • Literature review of existing research on EYA protein functions.
  • Analysis of studies detailing EYA's involvement in cell proliferation, differentiation, and morphogenesis.
  • Examination of signaling pathways modulated by EYA proteins in various developmental contexts.

Main Results:

  • EYA proteins contribute to proliferation, differentiation, morphogenesis, and tissue homeostasis through distinct biochemical activities.
  • EYA proteins interact with and modulate a wide array of cellular signaling pathways critical for development.
  • Disruptions in EYA levels or activity correlate with a spectrum of syndromic and non-syndromic developmental abnormalities.

Conclusions:

  • EYA proteins are vital regulators of development, acting through both transcriptional and enzymatic functions.
  • Understanding EYA-associated signaling pathways is key to deciphering the etiology of developmental disorders and cancers.
  • Further research into EYA proteins offers potential therapeutic targets for developmental abnormalities and related diseases.