Decoding Paradoxical Links of Cytokine Markers in Cognition: Cross talk between Physiology, Inflammaging, and Alzheimer's Disease- Related Cognitive Decline.

Recent research has revolutionized our understanding of memory consolidation by emphasizing the critical role of astrocytes, microglia, and immune cells in through cytokine signaling. Cytokines, compact proteins, play pivotal roles in neuronal development, synaptic transmission, and normal aging. This review explores the cellular mechanisms contributing to cognitive decline in inflammaging and Alzheimer's disease, highlighting the paradoxical effects of most studied cytokines (IL-1, IL-6, TNF-α) in brain function, which act as a double-edged sword in brain physiology, acting both as facilitators of healthy cognitive function and as a potential contributor to cognitive decline.

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Declaration of Competing Interest All the authors declare there is no conflict of interest. Declaration of Competing Interest There is no conflict of interest.