Patent ID: 9453841
Filing Date: 2016-09-27
CPC Classification: C07K,G01N,Y10T

Claim Text:
1. A method for detecting whether fetal red blood cells or their nucleated precursor cells are present in a sample comprising: (a) contacting a sample with a monoclonal antibody which is (i) produced by the hybridoma 4B9 deposited with the Deutsche Sammlung von Mikroorganismen and Zellkulturen GmbH under accession number DSM ACC 2666 and (ii) fluorescently labeled, under conditions in which the antibody binds to fetal red blood cells and their nucleated precursor cells if present in the sample; and (b) detecting cells bound by said fluorescently labeled antibody if present in the sample, wherein binding of the antibody indicates that the cell is a fetal red blood cell or a nucleated precursor cell thereof.