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).