A novel monoclonal antibody against rodent common Thy- 1.1 Epitope

Miyuki Kinebuchi, Akihiro Matsuura, Toshimitu Uede, Yoshifumi Ishii, Kokichi Kikuchi

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


Here we report a new anti-rat Thy-1 monoclonal antibody (MAb) 12C5 that recognized a novel epitope on a GPI-anchored Thy-1 antigen. In rat thymocytes, MAb 12C5 reacted with 25 kDa Thy-1 antigen purified with MAb OX7. In rats, MAb 12C5 was expressed on 94% of thymocytes, 46% of spleen cells, 31% of mesenteric lymphnode cells, 76% of bone marrow cells, and 24% of splenic T cells. Furthermore, MAb 12C5 reacted with the hematopoietic cells in Mongolian gerbils, hamsters, and AKR mice (Thy-1.1) as in rats. In AKR mice, almost all bone marrow cells reacted with MAb 12C5. Thus, MAb 12C5 recognized a novel epitope of Thy-1 that was widespread in hematopoietic cells of rats and mice, as well as other rodents.

Original languageEnglish
Pages (from-to)457-462
Number of pages6
Issue number5
Publication statusPublished - 1998

All Science Journal Classification (ASJC) codes

  • Immunology
  • Genetics


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