Lymphocyte subpopulations in healthy newborn infants: comparison of cord blood values with values five days after birth.

Raes, M; Alliet, P; Gillis, P; Zimmermann, A; Kortleven, J; Magerman, K; Peeters, V; Rummens, J L · J Pediatr · 1993

cross_sectional · Level IV

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Abstract

Significant differences (p < 0.0001) were demonstrated in lymphocyte subpopulations both in cord blood and in venous blood samples obtained at day 5 from the same healthy infants. Numbers of T lymphocytes increased, especially CD4+/CD45RA+ cells, whereas numbers of B lymphocytes and natural killer cells decreased without changes in CD8+ and other cytotoxic cells.

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