IDENTIFICATION OF A NOVEL CELL TYPE IN PERIPHERAL LYMPHOID ORGANS OF MICE

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Abstract
A method of attaching mouse RBCs to mouse macrophages is described. Both cell types were coated with rabbit anti-mouse macrophage F(ab')2, and cross-linkage of cells was effected with sheep F(ab')2 directed against rabbit F(ab')2. 98% of macrophages attached an average of 11 RBCs each. Attachment occurred at 37°C and was stable for at least 4 h. Less than 0.1% of macrophages ingested RBCs under these conditions.