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Related Experiment Videos

Tenascin expression in basal cell carcinoma.

A A Verstraeten1, E J Mackie, P C Hageman

  • 1Department of Obstetrics and Gynaecology, Free University Hospital, Amsterdam, The Netherlands.

The British Journal of Dermatology
|December 1, 1992
PubMed
Summary

Researchers developed a new antibody, T2H5, to detect tenascin (an extracellular matrix protein) in skin diseases. This antibody identified tenascin in basal cell carcinoma, revealing distinct molecular forms.

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Area of Science:

  • Biochemistry
  • Immunology
  • Dermatology

Background:

  • Tenascin (hexabrachion, cytotactin) is an extracellular matrix glycoprotein.
  • Its expression is elevated in hyperproliferative skin conditions.

Purpose of the Study:

  • To develop and validate a new monoclonal antibody (T2H5) for detecting human tenascin.
  • To analyze tenascin expression in basal cell carcinoma using the T2H5 antibody.

Main Methods:

  • Monoclonal antibody production and characterization (T2H5).
  • Immunoprecipitation for antibody specificity validation.
  • Western blotting to analyze tenascin molecular forms in basal cell carcinoma and fibroblasts.

Main Results:

  • The T2H5 antibody specifically recognized human tenascin.

Related Experiment Videos

  • Western blotting revealed two tenascin forms (210 kDa and 300 kDa) in basal cell carcinoma.
  • Cultured human skin fibroblasts predominantly expressed the high molecular weight (300 kDa) tenascin form.

    • Conclusions:

    • The T2H5 monoclonal antibody is a specific tool for tenascin detection.
    • Tenascin exhibits distinct molecular forms in basal cell carcinoma, differing from normal fibroblasts.
    • This finding contributes to understanding tenascin's role in skin pathology.