Article ID Journal Published Year Pages File Type
2463206 Veterinary Immunology and Immunopathology 2007 11 Pages PDF
Abstract

Three hundred and seventy six monoclonal antibodies (mAbs) raised against human leukocyte surface antigens were analyzed by flow cytometry for cross reactivities against mink leukocytes. We found 53 mAbs (14%) to cross react. This study defined cross reactions to the following human markers: CD1a, CD9 (4 mAbs), CD10, CD11a (2 mAbs), CD14 (3 mAbs), CD18 (5 mAbs), CD20 (atypical reaction), CD21, CD25 (atypical reaction), CD29 (3 mAbs), CD32, CD41, CD42a, CD44 (4 mAbs), CD45, CD45RO, CD47 (2 mAbs), CD49d (3 mAbs), CD61 (2 mAbs), CD62P, CD66abcd, CD71, CD75s, CD79b (2 mAbs), CD86, CD88, CD104 (atypical reaction), CD172a, CD236R (glycophorin C, (atypical reaction)), Xg(a) carbohydrate antigen, Rhesus antigen and two unspecified PAN-reactive mAbs.In order to characterize the molecular mass of the corresponding cross reacting mink markers, the mAbs were used to immunoprecipitate the surface antigens. Fourteen mAbs out of the 53 mAbs reactive with mink leukocytes gave reproducible IP findings. The masses of the precipitated antigens were generally in good agreement with those of the homologous human markers. We also performed immunohistochemical staining analyses on formalin fixed, paraffin embedded mink tissue from lymph node and spleen, and found 7 out of 22 mAbs to give a positive signal. Generally, the immunohistological analyses resulted in expected staining patterns.

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