PMID- 32612525 OWN - NLM STAT- PubMed-not-MEDLINE LR - 20200928 IS - 1663-4365 (Print) IS - 1663-4365 (Electronic) IS - 1663-4365 (Linking) VI - 12 DP - 2020 TI - Aberrant Brain Spontaneous Activity and Synchronization in Type 2 Diabetes Mellitus Patients: A Resting-State Functional MRI Study. PG - 181 LID - 10.3389/fnagi.2020.00181 [doi] LID - 181 AB - The study aimed to investigate the aberration of brain spontaneous activity and synchronization in type 2 diabetes mellitus (T2DM) patients homozygous for the apolipoprotein E (APOE)-epsilon3 allele. In the APOE-epsilon3 homozygotes, 37 T2DM patients and 37 well-matched healthy controls (HC) were included to acquire blood sample measurements, neuropsychological tests, and brain functional MRI data. The amplitude of low-frequency fluctuations (ALFF) analysis was conducted to identify the brain areas with abnormal spontaneous activity. Then, the identified brain areas were taken as seeds to compute their functional connectivity (FC) with other brain regions. The two-sample t-test or the Mann-Whitney U test were applied to reveal significant differences in acquired measurements between the two groups. The potential correlations among the three types of measurements were explored using partial correlation analysis in the T2DM group. The T2DM group had elevated glycemic levels and scored lower on the cognitive assessment but higher on the anxiety and depression tests (p < 0.05). The T2DM group exhibited higher ALFF in the left middle occipital gyrus, and the left middle occipital gyrus had lower FC with the left caudate nucleus and the left inferior parietal gyrus (p < 0.05). No significant correlations were observed. T2DM patients homozygous for the APOE-epsilon3 allele exhibited aberrant brain spontaneous activity and synchronization in brain regions associated with vision-related information processing, executive function, and negative emotions. The findings may update our understanding of the mechanisms of brain dysfunction in T2DM patients in a neuroimaging perspective. CI - Copyright (c) 2020 Liu, Duan, Wei, Chen, Wang and Zhang. FAU - Liu, Daihong AU - Liu D AD - Department of Medical Imaging, Chongqing University Cancer Hospital, Chongqing, China. FAU - Duan, Shanshan AU - Duan S AD - Department of Endocrinology, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China. FAU - Wei, Ping AU - Wei P AD - Department of Endocrinology, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China. FAU - Chen, Lihua AU - Chen L AD - Department of Radiology, PLA 904 Hospital, Wuxi, China. FAU - Wang, Jian AU - Wang J AD - Department of Radiology, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China. FAU - Zhang, Jiuquan AU - Zhang J AD - Department of Medical Imaging, Chongqing University Cancer Hospital, Chongqing, China. LA - eng PT - Journal Article DEP - 20200616 PL - Switzerland TA - Front Aging Neurosci JT - Frontiers in aging neuroscience JID - 101525824 PMC - PMC7308457 OTO - NOTNLM OT - APOE-epsilon3 homozygotes OT - amplitude of low-frequency fluctuations OT - functional connectivity OT - resting-state functional magnetic resonance imaging OT - type 2 diabetes mellitus EDAT- 2020/07/03 06:00 MHDA- 2020/07/03 06:01 PMCR- 2020/01/01 CRDT- 2020/07/03 06:00 PHST- 2020/03/17 00:00 [received] PHST- 2020/05/25 00:00 [accepted] PHST- 2020/07/03 06:00 [entrez] PHST- 2020/07/03 06:00 [pubmed] PHST- 2020/07/03 06:01 [medline] PHST- 2020/01/01 00:00 [pmc-release] AID - 10.3389/fnagi.2020.00181 [doi] PST - epublish SO - Front Aging Neurosci. 2020 Jun 16;12:181. doi: 10.3389/fnagi.2020.00181. eCollection 2020.