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[Secretory IgA in amniotic fluid]

K N Prozorovskaia, D V Stefani, L V Antonova

    Zhurnal Mikrobiologii, Epidemiologii I Immunobiologii
    |February 1, 1977
    PubMed
    Summary
    This summary is machine-generated.

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    Secretory Immunoglobulin A (IgA) is present in amniotic fluid early in pregnancy, but rarely in newborn urine. This suggests amniotic membranes may synthesize IgA or its fragments.

    Area of Science:

    • Immunology
    • Perinatology
    • Biochemistry

    Context:

    • Investigating immunoglobulin composition in perinatal samples.
    • Analyzing amniotic fluid (AF) and newborn urine for IgA presence.
    • Examining early pregnancy markers.

    Purpose:

    • To determine the presence and levels of Immunoglobulin A (IgA) in amniotic fluid and compare it with newborn urine.
    • To investigate the potential site of IgA synthesis during pregnancy.

    Summary:

    • Immunoglobulin A (IgA) was detected in 50 out of 57 amniotic fluid samples using anti-secretory component serum.
    • IgA was found in only 2 out of 21 newborn urine samples within the first 24 hours postpartum.
    • The presence of secretory IgA in early amniotic fluid suggests synthesis within the amniotic membranes.

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    Impact:

    • Provides evidence for potential IgA synthesis in amniotic membranes.
    • Offers insights into the immunological role of amniotic fluid during gestation.
    • Contributes to understanding neonatal immune system development.