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Determination of plasma cell labelling index with bromodeoxyuridine using a double immunoenzymatic technique
M Ffrench1, J P Magaud, P Duhaut
1Analytic Cytology Laboratory, C. Bernard University, E. Herriot Hospital, Lyon, France.
Stain Technology
|January 1, 1990
Abstract:
Myeloma plasma cells were double stained using peroxidase and alkaline phosphatase labelled monoclonal anti-BrdU and anti-intracytoplasmic immunoglobulins. Samples were methanol fixed; DNA was denatured with formamide. The results allowed easy identification of plasma cells, their cytological examination and the calculation of percentage of plasma cells in S phase. Good correlation was found with the labelling index obtained with tritiated thymidine.