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Related Experiment Video

Updated: Dec 26, 2025

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Adiponectin and Cognitive Decline.

Maria Rosaria Rizzo1, Renata Fasano1, Giuseppe Paolisso1

  • 1Department of Advanced Medical and Surgical Sciences, University of Campania "Luigi Vanvitelli", Piazza Miraglia 2, 80138 Naples, Italy.

International Journal of Molecular Sciences
|March 20, 2020
PubMed
Summary

Adiponectin (ADPN) shows neuroprotective effects by reducing inflammation and may improve cognitive decline. This review explores ADPN

Area of Science:

  • Neuroscience
  • Endocrinology
  • Metabolic Syndrome

Background:

  • Adiponectin (ADPN), a key adipose-derived protein, exhibits pleiotropic anti-diabetic, anti-atherogenic, and anti-inflammatory effects.
  • ADPN receptors (AdipoR1, AdipoR2) are expressed in brain regions like the hypothalamus and hippocampus, suggesting central nervous system (CNS) roles.
  • ADPN's neuroprotective potential is linked to reduced inflammation and potential insulin-sensitizing actions relevant to cognitive function.

Purpose of the Study:

  • To review the mechanisms and CNS effects of Adiponectin (ADPN).
  • To explore the relationship between plasma ADPN levels and cognitive performance.
  • To specifically examine ADPN's role in cognitive decline in menopausal women.

Main Methods:

  • Literature review synthesizing existing research on Adiponectin (ADPN) and its CNS functions.
Keywords:
MCIadiponectincognitive functiondementia

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  • Analysis of studies investigating ADPN's impact on neural pathways, inflammation, and insulin signaling.
  • Evaluation of research correlating ADPN levels with cognitive performance, particularly in menopausal women.

    • Main Results:

    • ADPN exerts neuroprotection by modulating inflammatory markers (e.g., IL-6, TNF-α) and oxidative stress via AdipoR1/AMPK and AdipoR2/PPARα pathways.
    • Reduced insulin signaling in the brain is linked to cognitive impairment, and ADPN's insulin-sensitizing action may counteract this.
    • Lower ADPN levels are observed in postmenopausal women, especially those with obesity and insulin resistance, coinciding with increased cognitive decline risk.

    Conclusions:

    • Adiponectin (ADPN) plays a significant role in CNS health, offering neuroprotection and potentially improving cognitive function.
    • Investigating ADPN's mechanism in restoring brain insulin signaling is crucial for developing pharmacological treatments for cognitive decline.
    • Further research on ADPN's link to cognitive performance in menopausal women is warranted due to hormonal changes and reduced ADPN levels.