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Related Experiment Videos

"Two-step" pemphigus induction by ACE-inhibitors.

V Ruocco1, R A Satriano, V Guerrera

  • 1Department of Dermatology, First School of Medicine, University of Naples, Italy.

International Journal of Dermatology
|January 1, 1992
PubMed
Summary
This summary is machine-generated.

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Angiotensin-converting enzyme inhibitors like captopril and enalapril may trigger pemphigus. This condition, characterized by blistering skin lesions, can recur and requires steroid treatment, with antibodies detected later.

Area of Science:

  • Dermatology
  • Pharmacology

Background:

  • Pemphigus is a rare autoimmune blistering disease.
  • Angiotensin-converting enzyme (ACE) inhibitors are commonly used for hypertension.

Observation:

  • A patient developed pemphigus lesions while taking captopril.
  • Lesions resolved upon drug withdrawal but recurred with enalapril.
  • Itching and dermographism were noted with enalapril.

Findings:

  • Initial immunofluorescence studies were negative for intercellular antibodies.
  • Repeated studies revealed low-titer intercellular IgG antibodies.
  • Captopril's thiol group may initially induce pemphigus.
  • Kinin system activation and antibody production may cause relapse.

Related Experiment Videos

Implications:

  • ACE inhibitors can potentially induce or exacerbate pemphigus.
  • The mechanism may involve drug properties and immune system activation.
  • Further investigation into ACE inhibitor-induced pemphigus is warranted.