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Rapid purification of human lymphocyte subpopulations is an essential step in order to elucidate their interactions and/or contributions in various disease states. Cell purification using a Magnetic Activated Cell Sorter (MACS) is a relatively new technology which has been shown to be rapid and...
Only few studies devoted to quantitative analysis of tissue architecture have been performed. The analysis of neighborhood relationships between cells, using graphs and mathematical morphology (MM), constitutes one approach. We propose to analyse quantitatively the architecture of a tissue with...
A method for automatic lineage assignment of acute leukemias was developed. Input are eight list mode data files acquired with a FACScan flow cytometer. For each cell, four parameters are measured: forward light scatter, orthogonal light scatter, fluorescein fluorescence, and phycoerythrin...
Using flow or image cytometry, we compared the DNA distribution of cells from bladder washings from 52 patients with bladder cancer. For image cytometry, urothelial nuclei (recognized visually) were analyzed for DNA content using polymorphonuclear nuclei as internal diploid reference. For flow...
Flow cytometric bivariate DNA/PCNA analysis was performed to investigate the expression of PCNA during the cell cycle and the implication in DNA replication in HeLa cells, using a monoclonal antibody (PC10) to PCNA. The expression of PCNA was evident in almost all cells growing exponentially,...
An improved method of releasing cell nuclei from paraffin‐embedded highly keratinized squamous cell carcinomas by pretreatment with 85% formic acid‐0.3% H2O2 followed by enzymatic treatment with subtilisin Carlsberg is described. After DAPI staining the resulting suspensions of cell nuclei...
Oxyrrhis marina (Dujardin) is a predatory marine dinoflagellate that feeds phagocytically on live phytoplanktonic “prey” cells from the surrounding environment. A rapid method was developed to separate the cell cycle characteristics of these predators from their prey cells in order to study...
By sequentially staining for leukocyte differentiation antigens with monoclonal antibodies and for stainable DNA content with propidium iodide, we have evaluated the DNA ratios of normal peripheral blood and bone marrow subpopulations. In 19 peripheral blood samples the relative DNA content of...
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