Establishment by the rat lymph node method of epitope-defined monoclonal antibodies recognizing the six different α chains of human type IV collagen

Yoshikazu Sado, Megumi Kagawa, Yumiko Kishiro, Katsuyuki Sugihara, Ichiro Naito, Jerome M. Seyer, Manabu Sugimoto, Toshitaka Oohashi, Yoshifumi Ninomiya

Research output: Contribution to journalArticle

200 Citations (Scopus)

Abstract

A group of rat monoclonal antibodies recognizing the six different α chains of human type IV collagen have been established by our novel method. The method is designated the rat lymph node method in which enlarged medial iliac lymph nodes of a rat injected with an antigen emulsion via hind footpads are used as a source of B cells for cell fusion to produce hybridomas. The immunogens used were synthetic peptides having non-consensus amino acid sequences near the carboxyl termini of type IV collagen α chains. Hybridomas were screened both by ELISA with synthetic peptides and by indirect immunofluorescence with cryostat sections of human kidneys. Because the epitopes of all antibodies were determined by multipin-peptide scanning, they were confirmed to be isoform-specific. They are useful for identification of α chains of type IV collagen at the protein level in normal and abnormal conditions. The combined use of synthetic peptides as immunogens, the rat lymph node method as making monoclonal antibodies, and the multipin-peptide scanning as epitope mapping is found to be a strong tool for identification of peptides and proteins whose amino acid sequences are known or have been deduced.

Original languageEnglish
Pages (from-to)267-275
Number of pages9
JournalHistochemistry and Cell Biology
Volume104
Issue number4
DOIs
Publication statusPublished - Oct 1 1995

ASJC Scopus subject areas

  • Histology
  • Molecular Biology
  • Medical Laboratory Technology
  • Cell Biology

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