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Related Concept Videos

  • Biomedical And Clinical Sciences
  • Paediatrics
  • Infant And Child Health
  • Dynamics Of Viral Replication In Infants With Vertically Acquired Human Immunodeficiency Virus Type 1 Infection
  • Biomedical And Clinical Sciences
  • Paediatrics
  • Infant And Child Health
  • Dynamics Of Viral Replication In Infants With Vertically Acquired Human Immunodeficiency Virus Type 1 Infection

    • Related Experiment Videos

    Dynamics of viral replication in infants with vertically acquired human immunodeficiency virus type 1 infection

    A De Rossi1, S Masiero, C Giaquinto

    • 1Institute of Oncology, InterUniversity Center for Cancer Research, AIDS Reference Center, University of Padova, Italy.

    The Journal of Clinical Investigation
    |January 15, 1996

    View abstract on PubMed

    Summary
    This summary is machine-generated.

    Early human immunodeficiency virus type 1 (HIV-1) replication patterns in infants predict disease progression. Rapid viral replication correlates with early acquired immunodeficiency syndrome (AIDS) development, while slower patterns indicate better outcomes.

    Related Experiment Videos

    Area of Science:

    • Virology
    • Immunology
    • Pediatrics

    Background:

    • Vertical transmission of human immunodeficiency virus type 1 (HIV-1) leads to acquired immunodeficiency syndrome (AIDS) in a significant proportion of infants.
    • Disease progression varies among vertically HIV-1 infected infants, with some developing AIDS rapidly and others experiencing slower progression.

    Purpose of the Study:

    • To investigate the correlation between early-life HIV-1 replication patterns and subsequent disease outcome in vertically infected infants.
    • To identify predictive markers for disease progression in infants with vertical HIV-1 infection.

    Main Methods:

    • Sequential study of eleven vertically HIV-1 infected infants from birth.
    • Measurement of viral load in plasma (RNA) and peripheral blood mononuclear cells (PBMC) (proviral DNA) using sensitive competitive PCR-based methods.
    • Categorization of viral replication patterns into three distinct groups based on viral load dynamics within the first 2-3 months of life.

    Main Results:

    • All infants exhibited an initial increase in viral replication indices within the first weeks of life.
    • Three distinct patterns of viral replication were observed: rapid increase to high steady-state levels, initial rapid increase followed by decline, and significantly lower viral increase.
    • Infants with rapid viral replication and high steady-state levels developed early AIDS, whereas those with declining or lower viral loads showed slower clinical progression.

    Conclusions:

    • The pattern of viral replication and clearance in the first 2-3 months of life is a strong predictor of disease evolution in vertically HIV-1 infected infants.
    • Early viral dynamics can stratify infants into different risk groups for rapid or slow acquired immunodeficiency syndrome (AIDS) development.