Characterization and expression of H‐2I region gene products on bone marrow‐derived macrophages

Lawrence B Schook, Eve L. Bingham, David H. Gutmann, John E. Niederhuber

Research output: Contribution to journalArticle

Abstract

Antigen-presenting macrophages (MΦ) were derived from day 7 cultures of bone marrow stem cells using L cell conditioned medium. The adherent bone marrow-derived macrophages (BMMΦ) were 100% esterase-positive, 95% positive for C3 receptors, 93% positive for Fc receptors, and 95% actively phagocytic. Indirect immunofluorescence using anti-Ia monoclonal antibodies resulted in 60% Ia-positive BMMΦ on day 7 of stem cell culture. BMMΦ could stimulate mixed lymphocyte reaction (MLR) proliferation across an I-A subregion difference, but not across I-J subregion differences. This contrasted with splenic MΦ which stimulated MLR proliferation across both an I-A and I-J subregion difference. The apparent lack of I-J subregion determinants on BMMΦ correlated with their ability to function as antigen-presenting cells. In these experiments, BMMΦ effectively reconstituted the trinitrophenyl-specific IgM plaque-forming cell (PFC) response of B cells but not the primary burro red blood cell (BRBC)-specific IgM-PFC response of MΦ-depleted spleen cells. When BMMΦ were added to BRBC-primed T and B cells, they reconstituted the secondary IgG PFC response to levels obtained using splenic MΦ. These experiments relate the differential expression of H-2I region determinants on antigen-presenting cells with their functional capacity.

Original languageEnglish (US)
Pages (from-to)991-997
Number of pages7
JournalEuropean Journal of Immunology
Volume12
Issue number12
DOIs
StatePublished - Jan 1 1982
Externally publishedYes

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Macrophages
Bone and Bones
Genes
Mixed Lymphocyte Culture Test
Antigen-Presenting Cells
Immunoglobulin M
B-Lymphocytes
Stem Cells
Erythrocytes
Fc Receptors
Esterases
Indirect Fluorescent Antibody Technique
Conditioned Culture Medium
Bone Marrow Cells
Spleen
Cell Culture Techniques
Immunoglobulin G
Monoclonal Antibodies
T-Lymphocytes
Antigens

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology

Cite this

Characterization and expression of H‐2I region gene products on bone marrow‐derived macrophages. / Schook, Lawrence B; Bingham, Eve L.; Gutmann, David H.; Niederhuber, John E.

In: European Journal of Immunology, Vol. 12, No. 12, 01.01.1982, p. 991-997.

Research output: Contribution to journalArticle

Schook, Lawrence B ; Bingham, Eve L. ; Gutmann, David H. ; Niederhuber, John E. / Characterization and expression of H‐2I region gene products on bone marrow‐derived macrophages. In: European Journal of Immunology. 1982 ; Vol. 12, No. 12. pp. 991-997.
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