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Recent advances in understanding ichthyosis pathogenesis.

Nareh V Marukian1, Keith A Choate2

  • 1Department of Dermatology, Yale University School of Medicine, New Haven, CT, 06511, USA.

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|July 14, 2016
PubMed
Summary
This summary is machine-generated.

Ichthyoses, or disorders of keratinization (DOK), are skin diseases characterized by scaling due to abnormal barrier function. Recent genetic discoveries are advancing our understanding of both syndromic and nonsyndromic forms.

Keywords:
hyperproliferationichthyosiskeratinizationpathogenesis

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Area of Science:

  • Dermatology
  • Genetics
  • Molecular Biology

Background:

  • Ichthyoses, also known as disorders of keratinization (DOK), are a group of skin diseases characterized by abnormal skin barrier function leading to scaling.
  • Common symptoms include xerosis, erythroderma, palmoplantar keratoderma, hypohydrosis, and recurrent infections.
  • A 2009 consensus classified DOK into nonsyndromic (skin-limited) and syndromic (multi-organ) forms.

Purpose of the Study:

  • To review recent advancements in understanding syndromic and nonsyndromic ichthyoses.
  • To highlight novel genetic discoveries and their impact on disease pathogenesis.
  • To discuss phenotypic expansion associated with new genetic findings.

Main Methods:

  • Review of current literature on ichthyoses and disorders of keratinization.
  • Analysis of recent findings from next-generation sequencing technologies.
  • Integration of genetic data with clinical manifestations and pathophysiology.

Main Results:

  • Identification of novel genetic mutations causing DOK.
  • Expansion of known phenotypes for various ichthyosis subtypes.
  • Improved understanding of the genetic basis for abnormal skin barrier function and hyperproliferation.
  • Insights into the pathogenesis of both syndromic and nonsyndromic ichthyoses.

Conclusions:

  • Next-generation sequencing has accelerated the identification of genetic causes for DOK.
  • New genetic discoveries are expanding the phenotypic spectrum of ichthyoses.
  • Understanding these genetic underpinnings is crucial for advancing disease pathogenesis insights and potential therapeutic strategies.