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- Title
Sex Differences in the Frequencies of B and T Cell Subpopulations of Human Cord Blood.
- Authors
Bous, Michelle; Schmitt, Charline; Hans, Muriel Charlotte; Weber, Regine; Nourkami-Tutdibi, Nasenien; Tenbruck, Sebastian; Haj Hamoud, Bashar; Wagenpfeil, Gudrun; Kaiser, Elisabeth; Solomayer, Erich-Franz; Zemlin, Michael; Goedicke-Fritz, Sybelle
- Abstract
Cord blood represents a link between intrauterine and early extrauterine development. Cord blood cells map an important time frame in human immune imprinting processes. It is unknown whether the sex of the newborn affects the lymphocyte subpopulations in the cord blood. Nine B and twenty-one T cell subpopulations were characterized using flow cytometry in human cord blood from sixteen male and twenty-one female newborns, respectively. Except for transitional B cells and naïve B cells, frequencies of B cell counts across all subsets was higher in the cord blood of male newborns than in female newborns. The frequency of naïve thymus-negative Th cells was significantly higher in male cord blood, whereas the remaining T cell subpopulations showed a higher count in the cord blood of female newborns. Our study is the first revealing sex differences in the B and T cell subpopulations of human cord blood. These results indicate that sex might have a higher impact for the developing immune system, urging the need to expand research in this area.
- Subjects
B cells; T cells; CORD blood; LYMPHOCYTE subsets; BLOOD cells; LEUCOCYTES; B cell receptors
- Publication
International Journal of Molecular Sciences, 2023, Vol 24, Issue 14, p11511
- ISSN
1661-6596
- Publication type
Article
- DOI
10.3390/ijms241411511