Plaque-forming cells in human cord blood: studies on T and B cell function.
Fewer plaque-forming cells (PFC) were found in the cord blood than in adult blood. B cells of newborns seem to be functionally mature. T cells of newborns provide enough help but exert increased suppressor activity.
D000328:Adult; D001402:B-Lymphocytes / Q000276:immunology*; D002470:Cell Survival; D002478:Cells, Cultured; D005312:Fetal Blood / Q000276:immunology*; D006462:Hemolytic Plaque Technique; D006801:Humans; D007231:Infant, Newborn; D007958:Leukocyte Count; D013601:T-Lymphocytes / Q000276:immunology*; D050378:T-Lymphocytes, Regulatory / Q000276:immunology