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Table 1 Characteristics of the reviewed cross-sectional studies

From: Associations of AT(N) biomarkers with neuropsychiatric symptoms in preclinical Alzheimer’s disease and cognitively unimpaired individuals

No.

Author

Study population (cohort)

AT(N) Biomarkers

Biomarker method / assay

NPS instrument

NPS with association

Significant findings

1

Binette et al. 2020 [45]

117 ADAD mutation carriers (DIAN)

A

PiB-PET, global SUVR

IPIP-NEO-120, NPI-Q

NPI-Q score

• ↑ A associated with ↑ NPI-Q score

2

Gatchel et al. 2017 [46]

111 CU - 5 with depression

(HABS)

A

T

PiB PET, DVR cut-off > 1.20

[18F]T807-PET

GDS

GDS score

• ↑ T associated with ↑ GDS score

3

Kim et al. 2018 [47]

667 CU

(NACC)

A

T

Pathology: neuritic plaques (T) and neurofibrillary tangles (A)

NPI-Q

Psychosis

• ↑ T associated with ↑ psychosis

• No association between A and NPI-Q score

4

Krell-Roesch et al. 2017 [48]

1038 CU

(MCSA)

A

PiB-PET, SUVR cut-off ≥1.40

BAI, BDI-II

Anxiety symptoms, depressive symptoms

• ↑ A associated with ↑ anxiety and ↑ depressive symptoms

5

Lussier et al. 2020 [49]

96 CU

(TRIAD – McGill University)

A

T

N (GM volume)

[18F]AZD4694-PET, SUVR cut-off by visual inspection

[18F]MK6240-PET

3 T MRI

MBI-C

MBI-C score

• A linearly correlated with total MBI-C score

• No association between T, N and MBI-C score

6

Sun et al. 2008 [50]

995 CU and MCI - 348 depressed

(NAME cohort)

A

Sandwich Aβ ELISA

CES-D

Depression

• ↑ A associated with depression (findings likely driven by subjects with MCI)

7

Yasuno et al. 2016 [51]

30 CU

A

PiB-PET, BPND categorized by tertiles

GDS-S

GDS-S score

• ↑ A associated with ↑ GDS-S score

8

Krell-Roesch et al. 2016 [52]

668 CU

(MCSA)

N (Glucose metabolism)

FDG-PET, SUVR cut-off < 1.32 in AD-signature ROI

NPI-Q, BAI, BDI-II

Depression, anxiety

• ↓ Glucose metabolism associated with depression, especially in APOE ε4 carriers

• ↓ Glucose metabolism associated with ↑ depression and ↑ anxiety symptoms

9

Donovan et al. 2015 [53]

248 CU

(HABS)

N (HV, glucose metabolism)

A

3 T MRI, FDG-PET

PiB-PET, DVR cut-off > 1.20

GDS

Depression

• ↓ HV and ↓ glucose metabolism associated with ↑ GDS score

• ↓ HV associated with ↑ dysphoria and ↑ apathy-anhedonia scores

• ↓ Glucose metabolism associated with ↑ apathy-anhedonia scores

• No association between A and GDS score

  1. ↑: higher/greater; ↓ lower/lesser; A: amyloid-β; Aβ: amyloid-β; Aβ40: amyloid-β 1–40; Aβ42: amyloid-β 1–42; ADAD autosomal dominant Alzheimer’s disease, BAI Beck Anxiety Inventory, BDI-II Beck Depression Inventory-II, BPND binding potential (BP) estimates relative to nondisplaceable (ND) binding, CES-D Center for Epidemiological Studies Depression Scale, CU cognitively unimpaired, DIAN Dominantly Inherited Alzheimer Network, DVR distribution volume ratio, ELISA enzyme linked immunosorbent assay, FDG fluorodeoxyglucose, GDS geriatric depression scale, GDS-S geriatric depression scale short form, GM grey matter, HABS Harvard Aging Brain Study, HV hippocampal volume, IPIP-NEO-120 International Personality Item Pool Representation of the NEO PI, MBI-C Mild Behavioural Impairment Checklist, MCSA Mayo Clinic Study of Aging, MRI magnetic resonance imaging, N neurodegeneration, NACC National Alzheimer’s Coordinating Center, NAME Nutrition, Aging and Memory in the Elderly study, NPI-Q Neuropsychiatric Inventory Questionnaire, OR odds ratio, PET positron emission tomography, PiB Pittsburgh Compound B, ROI region of interest, T tau, SUVR standardized uptake value ratio, TRIAD Translational Biomarkers of Aging and Dementia cohort