The present invention relates to an antibody for the detection quantification,
or isolation of basophils, mast cells, the precursor cells of basophils or mast
cells, or a surface structure of basophils or mast cells. This antibody corresponds
to an antibody with the designation 97A6, produced and released by hybridoma cells
that were deposited in accordance with the Budapest Treaty on Feb. 12, 1997 under
accession number DSM ACC 2297 at Deutsche Sammlung von Mikroorganismen und Zellkulturen
GmbH (DSMZ).