Abstract:
:The immaturity of the neonatal immune system in mice is associated with defective IFN-gamma production and Th2-biased immune responses. In this study, infants vaccinated at birth with BCG produced similar concentrations of IFN-gamma in response to PPD and showed similar frequencies of IFN-gamma-producing lymphocytes as compared to immune adults. Infants and adults produced only low concentrations of IL-4 and IL-5. CD4+ T lymphocytes were the main source of IFN-gamma. Similar proportions of Th1 and Th0 PPD-specific T cell clones were observed in infants and adults. This study demonstrates that the human neonatal immune response to BCG is not biased towards Th2 and is characterized by the predominant production of IFN-gamma by CD4+ T lymphocytes.
journal_name
Eur J Immunoljournal_title
European journal of immunologyauthors
Vekemans J,Amedei A,Ota MO,D'Elios MM,Goetghebuer T,Ismaili J,Newport MJ,Del Prete G,Goldman M,McAdam KP,Marchant Adoi
10.1002/1521-4141(200105)31:5<1531::AID-IMMU1531>3keywords:
subject
Has Abstractpub_date
2001-05-01 00:00:00pages
1531-5issue
5eissn
0014-2980issn
1521-4141journal_volume
31pub_type
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