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Associations of cytokines, sleep patterns, and neurocognitive function in youth with HIV infection

Samuel B Foster1, Ming Lu, Daniel G Glaze

  • 1Baylor College of Medicine, Department of Pediatrics and Texas Children's Hospital, Houston, TX 77030, USA.

Clinical Immunology (Orlando, Fla.)
|June 5, 2012
PubMed

Insights

Youth with HIV often experience sleep issues and neurocognitive problems, linked to elevated cytokine levels. This study highlights these connections to improve quality of life for HIV-infected youth.

Area of Science:

  • Immunology
  • Neuroscience
  • Pediatrics

Background:

  • HIV infection in youth can lead to sleep disturbances, neurocognitive deficits, and psychosocial dysfunction.
  • Elevated blood cytokine levels are suspected contributors to these conditions, impacting quality of life.

Purpose of the Study:

  • To identify molecular pathways associated with sleep and neurocognitive disorders in youth with HIV.
  • To evaluate the relationship between intracellular cytokine levels, sleep patterns, and neurodevelopmental abilities in HIV-infected youth.

Main Methods:

  • A longitudinal study over 18 months involving 38 HIV-infected and 35 uninfected youth.
  • Assessment of intracellular cytokine levels (TNF-α, IFN-γ, IL-12), sleep patterns/duration, and neurodevelopmental factors.

Main Results:

  • HIV infection was significantly associated with altered intracellular pro-inflammatory cytokines.
  • Significant associations were found between HIV infection and disrupted sleep (total sleep time, daytime patterns).
  • HIV-infected youth showed neurocognitive deficits in socio-emotional, behavioral, executive functions, memory, and sustained attention.

Conclusions:

  • HIV infection is linked to significant alterations in immune markers, sleep, and neurocognition in youth.
  • Understanding these relationships can inform targeted interventions for improving health outcomes.
  • Further research may lead to pharmacologic and procedural strategies to mitigate these debilitating effects.

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