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Related Experiment Videos

Transglutaminases in disease.

Soo Youl Kim1, Thomas M Jeitner, Peter M Steinert

  • 1Laboratory of Skin Biology, NIAMS, NIH, MD, USA. sykim@burke.org

Neurochemistry International
|December 12, 2001
PubMed
Summary
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Transglutaminases (TGases) are enzymes crucial for tissue stabilization. Aberrant TGase activation contributes to diseases like Alzheimer's, Parkinson's, and celiac disease by forming protein aggregates or autoantibodies.

Area of Science:

  • Biochemistry
  • Enzymology
  • Molecular Biology

Background:

  • Transglutaminases (TGases) are essential enzymes involved in tissue stabilization.
  • Enzyme dysfunction, due to mutations or aberrant activation, is linked to various health conditions.

Purpose of the Study:

  • To review the diverse roles and activation mechanisms of transglutaminases (TGases) in human diseases.
  • To explore the involvement of TGases in both loss-of-function disorders and aberrant activation-related pathologies.

Main Methods:

  • Literature review of scientific studies on transglutaminases.
  • Analysis of enzyme activity in relation to disease pathogenesis.
  • Examination of molecular mechanisms underlying TGase involvement in disease.

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Main Results:

  • Mutations leading to TGase inactivity cause specific genetic disorders.
  • Aberrant TGase activation contributes to protein aggregate formation in neurodegenerative diseases (e.g., Alzheimer's, Huntington's).
  • TGases play a role in autoantibody generation in celiac disease and are implicated in Parkinson's and progressive supranuclear palsy.

Conclusions:

  • Transglutaminases are critical enzymes with dual roles in health and disease.
  • Aberrant TGase activation, potentially driven by oxidative stress and inflammation, is a significant factor in multiple disease pathologies.
  • Understanding TGase function is vital for developing therapeutic strategies for associated disorders.