Effect of abdominal adipose tissue glucose uptake on brain aging

Author:

Lu Weizhao1,Duan Yanhua2,Li Kun2,Cheng Zhaoping2,Qiu Jianfeng1

Affiliation:

1. School of Radiology Shandong First Medical University & Shandong Academy of Medical Sciences Taian China

2. Department of Nuclear Medicine the First Affiliated Hospital of Shandong First Medical University, Shandong Provincial Qianfoshan Hospital Affiliated to Shandong University Jinan China

Abstract

AbstractINTRODUCTIONAbdominal adipose tissue (AT) mass has adverse effects on the brain. This study aimed to investigate the effect of glucose uptake by abdominal AT on brain aging.METHODSThree‐hundred twenty‐five participants underwent total‐body positron emission tomography scan. Brain age was estimated in an independent test set (n = 98) using a support vector regression model that was built using a training set (n = 227). Effects of abdominal subcutaneous and visceral AT (SAT/VAT) glucose uptake on brain age delta were evaluated using linear regression.RESULTSHigher VAT glucose uptake was linked to negative brain age delta across all subgroups. Higher SAT glucose uptake was associated with negative brain age delta in lean individuals. In contrast, increased SAT glucose uptake demonstrated positive trends with brain age delta in female and overweight/obese participants.DISCUSSIONIncreased glucose uptake of the abdominal VAT has positive influences on the brain, while SAT may not have such influences, except for lean individuals.Highlights Higher glucose uptake of the visceral adipose tissue was linked to decelerated brain aging. Higher glucose uptake of the subcutaneous adipose tissue (SAT) was associated with negative brain age delta in lean individuals. Faster brain aging was associated with increased glucose uptake of the SAT in female and overweight and obese individuals.

Funder

Natural Science Foundation of Shandong Province

Publisher

Wiley

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