NDLI: Comparison of ApoE-related brain connectivity differences in early MCI and normal aging populations: an fMRI study

Content Provider	Springer Nature Link
Author	McKenna, Faye Koo, Bang Bon Killiany, Ronald
Copyright Year	2015
Abstract	In this study, we used resting-state functional magnetic resonance imaging (rs-fMRI) scans from subjects with early mild cognitive impairment (EMCI) and control subjects to study functional network connectivity. The scans were acquired by the Alzheimer’s Disease Neuroimaging Initiative (ADNI). We used genetic data from the ADNI database to further subdivide the EMCI and control groups into genotype groups with or without the Apolipoprotein E allele e4 (APOE e4). Region of interest (ROI)-to-ROI resting-state functional connectivity was measured using Freesurfer and the Functional Connectivity Toolbox for Matlab (CONN). In our analysis, we compared whole-brain ROI connectivity strength and ROI-to-ROI functional network connectivity strength between EMCI, control and genotype subject groups. We found that the ROI network properties were disrupted in EMCI and APOE e4 carrier groups. Notably, we show that (1) EMCI disrupts functional connectivity strength in many important functionally-linked areas; (2) APOE e4 disrupts functional connectivity strength in similar areas to EMCI; and (3) the differences in functional connectivity between groups shows a multifactor contribution to functional network dysfunction along the trajectory leading to dementia.
Starting Page	970
Ending Page	983
Page Count	14
File Format	PDF
ISSN	19317557
Journal	Brain Imaging and Behavior
Volume Number	10
Issue Number	4
e-ISSN	19317565
Language	English
Publisher	Springer US
Publisher Date	2015-09-26
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	EMCI Dementia RS-fMRI APOE e4 Neurosciences Neuroradiology Neuropsychology Psychiatry
Content Type	Text
Resource Type	Article
Subject	Neurology Radiology, Nuclear Medicine and Imaging Cognitive Neuroscience Behavioral Neuroscience Neurology (clinical) Cellular and Molecular Neuroscience Psychiatry and Mental Health

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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