The association between high-molecular-weight adiponectin, ghrelin and leptin and age-related cognitive decline: Results from longitudinal aging study Amsterdam

M. van Andel, N.M. van Schoor, N.C. Korten, H.C. Comijs, A.C. Heijboer, M.L. Drent

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Abstract

Background: Age-related cognitive decline has large-scale functional and economic consequences and understanding its' pathophysiological mechanisms is therefore essential. Previous research has suggested associations between hormones adiponectin, ghrelin and leptin and neurodegenerative disease. However, their association with age-related cognitive decline has not been fully described. We examine the association between serum high-molecular-weight (HMW) adiponectin, ghrelin and leptin and age-related cognitive decline in older adults.
Methods: The associations between HMW adiponectin, ghrelin and leptin and the Mini-Mental-State-Examination, Coding task (Coding), 15 Words Test (15WT) and composite Z-score (general cognitive function) were analyzed by means of a sex-stratified multivariable linear regression analysis in a population-based cohort of 898 older adults at baseline and after 3 years of follow-up.
Results: In women, we found a positive association between HMW adiponectin and general cognitive function at baseline (fully adjusted model composite Z-score standardized regression co-efficient beta [β] =.089, p =.025). After 3 years of follow-up, HMW adiponectin was associated with more decline in general cognitive function and information processing speed (fully adjusted model composite Z-score β = −.123, p =.018; Coding β = −.116, p =.027). Ghrelin and leptin were significantly associated with memory in a baseline subgroup analysis of older women. For men, we found no significant associations at baseline or follow-up.
Conclusion: Our results show variable associations between hormones HMW adiponectin, ghrelin and leptin and age-related cognitive decline in women but not in men. As there was no clear trend, all our results should be interpreted with caution.
Original languageEnglish
Pages (from-to)131-140
Number of pages9
JournalJournals of Gerontology - Series A Biological Sciences and Medical Sciences
Volume76
Issue number1
Early online date24 May 2020
DOIs
Publication statusPublished - Jan 2021

Funding

The Longitudinal Aging Study Amsterdam is supported by a grant from Ministerie van Volksgezondheid, Welzijn en Sport, Directie Langdurige Zorg, Nederland.

FundersFunder number
Ministerie van Volksgezondheid, Welzijn en Sport

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