Sleep in host defense.
Level 5 - mechanism / opinion, no new human data
Narrative review of mechanistic pathways and clinical observations with no systematic synthesis.
PubMed 12615185 · doi:10.1016/s0889-1591(02)00065-x
What was done
This narrative review summarizes the neurobiological and molecular mechanisms connecting sleep with host defense, focusing on brain cytokine cascades involved in the acute phase response to infection, normal spontaneous sleep regulation, and sleep disruptions in cancer and cytokine therapy.
What was found
The abstract reports no quantitative data or numerical values. It describes that sleep alterations are key components of the acute phase response to infection; that molecular regulators including interleukin-1, tumor necrosis factor, growth hormone releasing hormone, prolactin, nitric oxide, and nuclear factor kappaB mediate both normal sleep and infection-induced sleep changes; and that sleep disturbances and fatigue are prevalent in cancer patients and those receiving cytokine therapy.
Why it matters
The paper outlines the shared molecular architecture linking immune signaling to sleep regulation, providing a mechanistic context for fatigue and sleep disruption during infection and cytokine-based therapies.
Limits
The abstract contains no empirical data, sample sizes, or formal review methodology. It represents a narrative overview and does not systematically evaluate study quality or quantify clinical outcomes.
Cited by
- supports Infecting an animal produces an immune antibody response and a cytokine cascade involving TNF-alpha, IL-1, and IL-6 that directly signals the hypothalamus to trigger sleep.