Specific Antisera Against Human Blood Cells Applicable in the Indirect Immunofluorescence Technique

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Abstract
The preparation of antisera against various cells of the human peripheral blood applicable in the indirect immunofluorescence technique (IIFT) is described. Such antisera will be a great interest for the study of cell-specific membrane antigens, for example during haematopoiesis. Purified erythrocytes, lymphocytes, neutrophils, monocytes, and thrombocytes from healthy donors were injected into rabbits. The antisera thus produced were not spontaneously specific. Only by extensive absorption of the crude antisera with purified cells from healthy donors was it possible to obtain antisera that were specific for erythrocytes, lymphocytes, and thrombocytes. By injection of small doses of leukocyte lysate and by absorption of the resulting antiserum with mononclear cells a specific antineutrophil serum was produced. So far it has not been possible to prepare a specific anti-monocyte antiserum. The specific antisera were applicable in the IIFT on paraformaldehyde-fixed cells in suspension and on cells on slides.