Honey-induced
macrophage stimulation: AP-1 and NF-κB activation and cytokine production are
unrelated to LPS content of honey
Int
Immunopharmacol, 2013 Oct 11
Honey is
well known for its wound healing properties although the cellular and molecular
mechanisms underlying honey-stimulated healing process are still poorly
understood. The present study was intended to characterize the stimulation of
Raw 264.7 murine macrophages in response to thyme honey.
Honey induces
significant increase in PGE2 production, and overexpression of both COX-2 and
TNF-α (p < 0.001). This increase was concomitant with overexpression and
activation of the AP-1 and NF-κB transcription factor subunits. The small LPS
content of honey could not, by itself, account for the reported observations.
These
results suggest that other thyme honey components participate in the
stimulation of cytokine production required for effective wound healing
process.
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