The avidin-biotin peroxidase complex (ABCPx) in skin immunoelectron microscopy

E. Berti, M. Monti, S. Cavicchini, R. Caputo

Research output: Contribution to journalArticlepeer-review


The interaction between avidin and biotin can be exploited in immunoperoxidase techniques in three main ways: the labeled avidin-biotin technique (LAB); the bridge avidin-biotin technique (BRAB); the performed avidin-biotin complex (ABCPx). In a comparative study of these three methods and the peroxidase antiperoxidase method using serial dilutions of antinuclear positive serum, the ABCPx method yielded the most intense staining. For this reason, the ABCPx method has been applied in immunoelectron microscopy (IEM) techniques on normal and pathological skin employing monoclonal. OKT4, OKT6, and OKT8 antibodies to detect target membrane antigens. The authors notes that the ANCPx method allows strong staining both in normal and pathological skin and improves tissue preservation.

Original languageEnglish
Pages (from-to)134-138
Number of pages5
JournalArchives of Dermatological Research
Issue number2
Publication statusPublished - Apr 1983


  • Avidin-biotin complex
  • Immunoelectron microscopy
  • Monoclonal antibodies

ASJC Scopus subject areas

  • Dermatology


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