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M9620676.TXT
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1996-02-26
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Document 0676
DOCN M9620676
TI Lymphocyte subset determination using a hematology analyzer.
DT 9602
AU Hudson JC; Brunhouse RF; Garrison C; Rodriguez CM; Zwerner R; Russell
TR; Coulter Corporation, Miami, FL 33116-9015, USA.
SO Cytometry. 1995 Jun 15;22(2):150-3. Unique Identifier : AIDSLINE
MED/96090299
AB Anti-CD4 antibody (T4)-coated microspheres were used to label CD4 cells
in whole blood. The mixture was lysed and analyzed by a modified Coulter
VCS hematology analyzer, which differentiated microsphere-labeled cells
by a change in Coulter volume, conductance, and light scatter.
%CD3+/CD4+ fluorescent values from a profile were compared to %CD4
values using the VCS-microsphere method. CD3 gating was used to exclude
CD4+ monocytes from the 90LS-FALS lymphocyte gate. The results
correlated well (R = 0.996). The percentage of CD4+ lymphocytes from
profile scatterplots and VCS scatterplots showed a line of regression
close to the equivalence line (n = 76, slope = 0.96) when CD3 gating was
used for the profile. These results suggest that CD3 gating, though
necessary for 90LS-FALS scatterplots, may not be necessary for
volume-conductance-light scatterplots.
DE Antibody Specificity Autoanalysis/*INSTRUMENTATION Binding,
Competitive Blood Donors Cell Size Comparative Study Electric
Conductivity Female *Flow Cytometry Hematology/*INSTRUMENTATION
Human HIV Seropositivity/*IMMUNOLOGY Light *Lymphocyte Subsets Male
Microspheres Scattering, Radiation CLINICAL TRIAL JOURNAL ARTICLE
RANDOMIZED CONTROLLED TRIAL
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).