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A monoclonal antibody reactive with human peripheral blood monocytes.

Breard, J, Reinherz, E L, Kung, P C, Goldstein, G, Schlossman, S F·1980·The Journal of Immunology

Abstract

A monoclonal antibody directed at a determinant on human peripheral blood monocytes was produced and characterized. This hybridoma antibody, termed OKM1, was reactive by indirect immunofluorescence and complement- (C) mediated lysis with adherent mononuclear cells. OKM1 was unreactive with lymphocytes, thymocytes, lymphoblastoid cell lines, and tumor cells of the T or B cell lineage. In contrast, acute myelomonocytic leukemia cells and granulocytes were reactive with the antibody. Pretreatment of peripheral blood mononuclear cells with OKM1 and C before culture with soluble antigens totally abolished their antigen-induced proliferative response. This function was restored by addition of 1% adherent cells. These findings provided additional support for the notion that OKM1 was reactive with monocytes. In addition, OKM1 appeared to define two distinct populations of monocytes; an adherent population of large cells bearing surface Ia determinants and a nonadherent population of small, Ia-negative cells. These OKM1+ Ia- cells were found to be a contaminant of most fractionated mononuclear cell subsets including the E-SIg-Null cell population.

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Metadata

Authors
Breard, J., Reinherz, E. L., Kung, P. C., Goldstein, G., & Schlossman, S. F.
Venue
The Journal of Immunology
Published
1980-04-01
Volume
124
Issue
4
Pages
1943-1948
ISSN
  • 0022-1767 (ISSN-L)
  • 1550-6606
OpenAlex
W1924778996
Cited by
829
References
0
FWCI
137.84
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: A monoclonal antibody reactive with human peripheral blood monocytes. https://app.cochat.ai/papers/10.4049/jimmunol.124.4.1943
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Breard, J., Reinherz, E. L., Kung, P. C., Goldstein, G., & Schlossman, S. F. (1980). A monoclonal antibody reactive with human peripheral blood monocytes. The Journal of Immunology. https://doi.org/10.4049/jimmunol.124.4.1943

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.