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Antibody Transfection into Neurons as a Tool to Study Disease Pathogenesis

Published on: September 26, 2012

[Antibody-induced immunosuppression: a possible mechanism for tetanus immunization failure in infants (author's

C H Wirsing von König, J Ströder, H Finger

    Immunitat Und Infektion
    |September 1, 1981
    PubMed

    Insights

    High levels of maternal antibodies against tetanus toxin in newborns may hinder infant immunization. Delaying tetanus shots until 6-7 months is recommended for infants born to mothers immunized during pregnancy.

    Area of Science:

    • Immunology
    • Pediatrics
    • Vaccinology

    Background:

    • Neonatal tetanus immunization is critical for preventing infant mortality.
    • Maternal tetanus immunization during pregnancy is a common strategy to protect newborns.
    • Passively transferred maternal antibodies can interfere with active immunization responses in infants.

    Purpose of the Study:

    • To investigate the impact of maternally derived antibodies on the efficacy of infant tetanus immunization.
    • To determine the optimal timing for tetanus immunization in infants born to immunized mothers.

    Main Methods:

    • Serum analysis of neonatal antibody concentrations against tetanus toxin.
    • Comparative analysis of tetanus immunization schedules and serological responses in infants.
    • Retrospective cohort study evaluating immunization outcomes.

    Main Results:

    • A high concentration of passively transferred maternal antibodies against tetanus toxin was observed in neonates.
    • This high antibody level correlated with reduced efficacy of early infant tetanus immunization.
    • Delayed immunization until 6-7 months of age showed improved response.

    Conclusions:

    • Passively transferred maternal antibodies likely contribute to tetanus immunization failure in young children.
    • Postponing infant tetanus immunization to 6-7 months is recommended for infants born to mothers immunized shortly before or during pregnancy.
    • This adjusted schedule may enhance the effectiveness of tetanus vaccination in vulnerable infants.

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