Histocompatibility antigens controlled by the I region of the murine H-2 complex - III. Blocking with antisera of the in vitro response

Jan Klein, Chin Lee Chiang, Edward K. Wakeland

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Abstract

Spleen cells from A.TH mice, presensitized in vivo by skin grafting, were restimulated in vitro by A.TL lymphocytes, and A.TH anti-A.TL effector cells were generated. The effector cells lysed, in the CML assay, A.TL blasts. This reaction, which was against I-region antigens, could be inhibited by the addition to the reaction mixture of anti-La sera directed against A.TL antigens. The inhibition was specific, since normal mouse serum, reciprocal antiserum (A.TL anti-A.TH), and anti-H-2 sera did not have a significant effect on the reaction. The Ia antibodies also specifically inhibited the reaction of A.TH anti-A.TL effector cells against CBA targets. Con A blasts were significantly poorer targets in I-region CML than LPS blasts. As CML targets, macrophages and cells of a mammary adenocarcinoma were as good as, if not better than, the LPS blasts. The experiments support the notion that Ia antigens are the targets in the I-region CML.

Original languageEnglish (US)
Pages (from-to)445-451
Number of pages7
JournalImmunogenetics
Volume5
Issue number1
DOIs
StatePublished - Dec 1977

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Histocompatibility Antigens
Electron Transport Complex III
Immune Sera
Serum
Skin Transplantation
Histocompatibility Antigens Class II
Adenocarcinoma
Breast
Spleen
Macrophages
In Vitro Techniques
Lymphocytes
Antigens
Antibodies

ASJC Scopus subject areas

  • Immunology
  • Genetics

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Histocompatibility antigens controlled by the I region of the murine H-2 complex - III. Blocking with antisera of the in vitro response. / Klein, Jan; Lee Chiang, Chin; Wakeland, Edward K.

In: Immunogenetics, Vol. 5, No. 1, 12.1977, p. 445-451.

Research output: Contribution to journalArticle

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AB - Spleen cells from A.TH mice, presensitized in vivo by skin grafting, were restimulated in vitro by A.TL lymphocytes, and A.TH anti-A.TL effector cells were generated. The effector cells lysed, in the CML assay, A.TL blasts. This reaction, which was against I-region antigens, could be inhibited by the addition to the reaction mixture of anti-La sera directed against A.TL antigens. The inhibition was specific, since normal mouse serum, reciprocal antiserum (A.TL anti-A.TH), and anti-H-2 sera did not have a significant effect on the reaction. The Ia antibodies also specifically inhibited the reaction of A.TH anti-A.TL effector cells against CBA targets. Con A blasts were significantly poorer targets in I-region CML than LPS blasts. As CML targets, macrophages and cells of a mammary adenocarcinoma were as good as, if not better than, the LPS blasts. The experiments support the notion that Ia antigens are the targets in the I-region CML.

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