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Related Experiment Videos

Structural basis for SH2D1A mutations in X-linked lymphoproliferative disease.

I Lappalainen1, S Giliani, R Franceschini

  • 1Institute of Medical Technology, University of Tampere, Tampere, FIN-33014, Finland.

Biochemical and Biophysical Research Communications
|March 1, 2000
PubMed
Summary

X-linked lymphoproliferative disease (XLP) is a severe immune disorder. Researchers identified SH2D1A gene mutations in XLP patients and developed a mutation analysis assay and a comprehensive online registry.

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Area of Science:

  • Immunology
  • Genetics
  • Molecular Biology

Background:

  • X-linked lymphoproliferative disease (XLP) is a rare, severe immune deficiency.
  • XLP is characterized by abnormal immune responses, particularly to Epstein-Barr virus.
  • The SH2D1A gene, responsible for XLP, encodes a protein crucial for T and NK cell signaling.

Purpose of the Study:

  • To develop and describe a single-strand conformation polymorphism (SSCP) assay for SH2D1A gene mutation analysis in XLP patients.
  • To report novel SH2D1A mutations in four XLP patients.
  • To establish a comprehensive online registry (SH2D1Abase) for SH2D1A mutations and discuss the structural impact of these mutations.

Main Methods:

  • Single-strand conformation polymorphism (SSCP) assay for mutation detection.

Related Experiment Videos

  • Analysis of SH2D1A gene mutations in four novel XLP patients.
  • Development of a 3D homology model of the SH2 domain of the SH2D1A protein.

    • Main Results:

    • Identification and characterization of four novel SH2D1A mutations in XLP patients.
    • Establishment of the SH2D1Abase registry, compiling known SH2D1A mutations.
    • Development of a 3D structural model to analyze the consequences of disease-causing mutations.

    Conclusions:

    • The developed SSCP assay is effective for SH2D1A mutation analysis in XLP.
    • The SH2D1Abase registry provides a valuable resource for researchers studying XLP.
    • Understanding the structural impact of SH2D1A mutations aids in comprehending XLP pathogenesis.