A monoclonal antibody against human kidney gamma-glutamyl transpeptidase: Preparation, immunochemical, and immunohistochemical characterization

M. Shiozawa, S. Yamashita, Sadakazu Aiso, K. Yasuda

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

To perform immunohistochemical study of the distribution of γ-glutamyl transpeptidase in human organs, a highly specific antibody against the human enzyme is required. We prepared monoclonal antibody against γ-glutamyl transpeptidase from human kidney, using the hybridoma technique. The antibody was of the IgG1 type and the light chain belonged to the κ class. The antibody reacted specifically with the 63 KD heavy subunit of the enzyme. Examination of the specificity of the antibody performed by immunohistochemical staining of human kidney sections revealed that the antigen was localized on the brush border and along the basolateral membrane of the epithelial cells of both the convoluted and the straight portions of the proximal tubule. This antibody was also reactive in several human organs other than kidney, including epididymis, prostate, seminal vesicle, pancreas, and normal liver, and in human hepatoma. These findings indicate the existence of an antigenic determinant common to human kidney and other organs. The monoclonal antibody did not crossreact with mouse, rat, guinea pig, rabbit, or pig kidney.

Original languageEnglish
Pages (from-to)1053-1061
Number of pages9
JournalJournal of Histochemistry and Cytochemistry
Volume37
Issue number7
DOIs
Publication statusPublished - 1989 Jan 1
Externally publishedYes

ASJC Scopus subject areas

  • Anatomy
  • Histology

Cite this

A monoclonal antibody against human kidney gamma-glutamyl transpeptidase : Preparation, immunochemical, and immunohistochemical characterization. / Shiozawa, M.; Yamashita, S.; Aiso, Sadakazu; Yasuda, K.

In: Journal of Histochemistry and Cytochemistry, Vol. 37, No. 7, 01.01.1989, p. 1053-1061.

Research output: Contribution to journalArticle

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