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← Human Body & HealthWhy does chronic inflammation sometimes persist despite the presence of anti-inflammatory cytokines in tissues?
A)Increased pro-inflammatory cytokine half-life
B)Direct macrophage pro-inflammatory polarization shift
C)Regulatory T cell functional impairment✓
D)Reduced cytokine receptor expression on cells
💡 Explanation
Inflammation can persist if regulatory T cells, normally suppressing immune responses, become functionally impaired; because these cells lose their ability to effectively dampen inflammation, the anti-inflammatory cytokines become insufficient. Therefore, inflammation continues rather than being resolved by normal regulatory mechanisms.
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