Simultaneous evaluation for terminal deoxynucleotidyl transferase and myeloperoxidase in leukemia
β Scribed by Dr. J. D. Folds; F. J. Bollum; L. Dean; J. Chan; S. A. Stass
- Publisher
- John Wiley and Sons
- Year
- 1982
- Tongue
- English
- Weight
- 791 KB
- Volume
- 12
- Category
- Article
- ISSN
- 0361-8609
No coin nor oath required. For personal study only.
β¦ Synopsis
Abstract
A technique for dual staining of cells using terminal deoxynucleotidyl transferase (TdT) and myeloperoxidase (MPO) is described. The technique has been applied to cells of two patients. One patient had chronic myelomonocytic leukemia evolving into acute myelomonocytic leukemia. The other patient had chronic myelogenous leukemia in blast crisis. Our findings indicate that TdT and MPO are exclusive markers except for a rare precursor cell with dual staining in one patient. This study supports the concept of acute mixed leukemia.
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A staining artefact associated with the terminal deoxynucleotidyl assay for apoptotic cells is described. The artefact is caused by particulate matter in the reconstituted dried milk used in the wash-ing buffer. We recommend filtering the washing buffer before use.