Immunosuppression effected by macrophage surfaces

Ptak, W.; Gershon, R.K.

Journal of Immunology 115(5): 1346-1350

1975


ISSN/ISBN: 0022-1767
PMID: 809511
Document Number: 95423
Heat-killed macrophages (but not six other types of cells tested) suppress Mishell-Dutton cultures by a mechanism that does not adversely affect cell viability. The suppressive effect is abolished by treatments that inactivate receptors for cytophilic antibody. We suggest macrophages may absorb, and thus render inoperative, factors which are necessary for lymphocyte cooperation.

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