Two phenotypically distinct B lymphocytes (IgM(high)IgD(low) and IgM(low)IgD(high)) in chronic gastric ulcer in the rat

N. Ohmiya, M. Ito, M. Ohbayashi, T. Arisawa, H. Goto, Y. Tsukamoto, T. Hayakawa

研究成果: Article

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We determined the kinetics and phenotypes of infiltrating B cells in gastric ulcer in the rat induced by gastric injection of acetic acid (day 0). Few B cells were found in the lesion in the early stages of ulceration. On day 40, two kinds of B cells with phenotypes of IgM(high)IgD(low)OX33 (CD45)+OX19 (CD5)- and IgM(low)IgD(high)OX33 (CD45)+OX19 (CD5)- were scattered in the granulation tissue of open ulcers, but not in the healed scar tissue. On day 180, those two kinds of B cells formed primary follicles in the granulation tissue of open ulcers, but were absent from the healed scar tissue. The IgM(high)IgD(low)OX33 (CD45)+OX19 (CD5)- B cell was considered to be identical to the marginal zone B cell of rat spleen. This phenotype of B cell might be associated with inflammatory process in chronic gastric ulcer.

元の言語English
ページ(範囲)151-156
ページ数6
ジャーナルClinical and Experimental Immunology
100
発行部数1
出版物ステータスPublished - 01-01-1995
外部発表Yes

All Science Journal Classification (ASJC) codes

  • Immunology and Allergy
  • Immunology

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