Antibody and cell-mediated immune responses to booster immunization with a new acellular pertussis vaccine in school children. 1998

N N Tran Minh, and K Edelman, and Q He, and M K Viljanen, and H Arvilommi, and J Mertsola
National Public Health Institute, Department in Turku, Finland. tranminh@utu.fi

235 healthy 10-12 years old school children were randomly immunized with either a booster dose of diphtheria-tetanus-acellular pertussis (dTap) or diphtheria-tetanus (dT) vaccine. For this booster immunization designed for school children and adults, the quantities of Bordetella pertussis antigens in the dTap vaccine had been reduced to one third of those of the Infanrix vaccine (SmithKline Beecham) commonly used for infants. IgG antibodies and cell-mediated immune (CMI) responses to pertussis toxin (PT), pertactin (PRN) and filamentous hemagglutinin (FHA) were assessed by an enzyme immunosorbent assay and in vitro proliferation of peripheral blood mononuclear cells, respectively. Before immunization, 55%, 80% and 99% of children had detectable serum IgG antibodies to PT, PRN and FHA, whereas CMI response was found in 35%, 27% and 50% of children, respectively. After immunization, a 20-30-fold increase in geometric mean level (GML) of antibodies to the pertussis antigens occurred and CMI response to PT, PRN and FHA was seen in 88%, 94% and 100% of children, respectively. Adverse reactions following the immunization were rare. The results show that booster immunization with an acellular pertussis vaccine with reduced concentrations of antigens induces both antibody and CMI responses and support further studies of this pertussis vaccine in school children.

UI MeSH Term Description Entries
D007117 Immunization, Secondary Any immunization following a primary immunization and involving exposure to the same or a closely related antigen. Immunization, Booster,Revaccination,Secondary Immunization,Booster Immunization,Booster Immunizations,Immunizations, Booster,Immunizations, Secondary,Revaccinations,Secondary Immunizations
D008213 Lymphocyte Activation Morphologic alteration of small B LYMPHOCYTES or T LYMPHOCYTES in culture into large blast-like cells able to synthesize DNA and RNA and to divide mitotically. It is induced by INTERLEUKINS; MITOGENS such as PHYTOHEMAGGLUTININS, and by specific ANTIGENS. It may also occur in vivo as in GRAFT REJECTION. Blast Transformation,Blastogenesis,Lymphoblast Transformation,Lymphocyte Stimulation,Lymphocyte Transformation,Transformation, Blast,Transformation, Lymphoblast,Transformation, Lymphocyte,Activation, Lymphocyte,Stimulation, Lymphocyte
D008297 Male Males
D010567 Pertussis Vaccine A suspension of killed Bordetella pertussis organisms, used for immunization against pertussis (WHOOPING COUGH). It is generally used in a mixture with diphtheria and tetanus toxoids (DTP). There is an acellular pertussis vaccine prepared from the purified antigenic components of Bordetella pertussis, which causes fewer adverse reactions than whole-cell vaccine and, like the whole-cell vaccine, is generally used in a mixture with diphtheria and tetanus toxoids. (From Dorland, 28th ed) Vaccine, Pertussis
D001886 Bordetella pertussis A species of gram-negative, aerobic bacteria that is the causative agent of WHOOPING COUGH. Its cells are minute coccobacilli that are surrounded by a slime sheath. Bacterium tussis-convulsivae,Haemophilus pertussis,Hemophilus pertussis
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000907 Antibodies, Bacterial Immunoglobulins produced in a response to BACTERIAL ANTIGENS. Bacterial Antibodies

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