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Reference ranges of lymphocyte subsets of healthy adults in Turkey
Akgun Yaman1, Salih Cetiner, Filiz Kibar
1Department of Microbiology, Faculty of Medicine, Cukurova University, Balcali-Adana, Turkey. kyaman@cu.edu.tr
Unlabelled:
The aim of this study was to determine the reference ranges of lymphocyte subsets in serologically HIV-negative healthy adults in Turkey.
Materials And Methods:
Blood samples from 220 healthy adults, 105 female and 115 male, collected into tubes containing EDTA were investigated for lymphocyte subsets using flow cytometry. The age range was 18-80 years (44.80 +/- 16.69).
Results:
The mean percentage and absolute values of the lymphocyte subsets were as follows: CD3: 72.70 +/- 8.44%, 1,680 +/- 528 cells/microl; CD4: 47.37 +/- 9.10%, 1,095 +/- 391 cells/microl; CD8: 28.99 +/- 5.99%, 669 +/- 239 cells/microl; CD19: 10.96 +/- 4.44%, 254 +/- 122 cells/microl and CD56: 7.03 +/- 3.26%, 161 +/- 92 cells/microl, respectively. The ratio of CD4/CD8 was 1.68 +/- 0.43. There was no statistically significant difference in the percentages and absolute values of lymphocyte subsets between the genders (p > 0.05).
Conclusion:
Immunophenotyping has been used to establish reference values of lymphocyte subsets in normal healthy adults in Turkey.
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