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Brain amyloid accumulation and glucose hypometabolism in Chinese Alzheimer’s disease population
Author(s) -
Ren Shuhua,
Huang Qi,
Jiang Donglang,
Huang Lin,
Wang Ying,
Guan Yihui,
Guo Qihao,
Xie Fang
Publication year - 2020
Publication title -
alzheimer's and dementia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 6.713
H-Index - 118
eISSN - 1552-5279
pISSN - 1552-5260
DOI - 10.1002/alz.043567
Subject(s) - precuneus , temporal cortex , cortex (anatomy) , population , alzheimer's disease , neuroscience , superior frontal gyrus , anterior cingulate cortex , posterior cingulate , psychology , medicine , cuneus , pathology , cognition , disease , environmental health
Background Amyloid is the main pathology for Alzheimer’s disease (AD), amyloid and glucose metabolism alternation are very important to investigate the progress of Alzheimer’s disease. However, not so many results were reported in Chinese population. In this study, we try to figure out the brain structure, function alternation and brain network alternation in Chinese subjective cognitive decline (SCD), mild cognition impairment (MCI) and Alzheimer’s disease (AD) from the data of Chinese preclinical Alzheimer’s disease (C‐PAS), which is initiated by us. Method 200 participants were enrolled in this study, including 93 normal cognition (NC) healthy volunteers, 37 SCD, 34 MCI and 36 AD patients.6 types of neuropsychological tests from 3 cognitive domains and MMSE, Moca B were performed. FDG and amyloid PET (18F‐Flortabetapir) were conducted in these participants. 18F‐FDG and 18F‐Flortabetapir PET images were coregistered to the individual structural MRI images and then spatially normalized into MNI space. To assess the regional pattern of the 4 group, one‐way ANOVA followed by two sample t test for post hoc analysis were performed, The statistical level was set at p<0.05 with FDR correction and a minimum cluster extent Ke>20 voxels. Results In Chinese population, changed glucosemetabolism were present in Superior temporalcortex, inferior temporal cortex, superior occipital cortex, precuneus, frontal cortex, supra‐marginal gyrus, anterior cingulate cortex, insula in a multiple comparison of AD MCI, SCD, and NC. And amyloid plaque were found in temporal cortex, frontal cortex, middle occipital cortex, inferior parietal cortex, insular, lingual gyrus, calcarine fissure and surrounding cortex, cingulate gyrus, fusiform gyrus, gyrus rectus, angular gyrus in these participants. Most of these changes were from AD patients, but slight hypometabolism, and amyloid accumulation were found among NC, SCD, MCI. Conclusion Cortex and cingulate gyrus were the main regions for amyloid accumulation and glucose hypometabolism for Chinese AD patients. However, slight change was observed in NC, SCD, MCI participants.