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van Setten A, Uleman JF, Melis RJF, Lawlor B, Riksen NP, Claassen JAHR, de Heus RAA. No association between markers of systemic inflammation and endothelial dysfunction with Alzheimer's disease progression: a longitudinal study. GeroScience 2024:10.1007/s11357-024-01294-x. [PMID: 39085534 DOI: 10.1007/s11357-024-01294-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Accepted: 07/18/2024] [Indexed: 08/02/2024] Open
Abstract
INTRODUCTION Systemic inflammation and endothelial dysfunction are potentially modifiable factors implicated in Alzheimer's disease (AD), which offer potential therapeutic targets to slow disease progression. METHODS We investigated the relationship between baseline circulating levels of inflammatory (TNF-α, IL-1ß) and endothelial cell markers (VCAM-1, ICAM-1, E-selectin) and 18-month cognitive decline (ADAS-cog12) in 266 mild-to-moderate AD patients from the NILVAD study. We employed individual growth models to examine associations, potential mediation, and interaction effects while adjusting for confounders. RESULTS The average increase in ADAS-cog12 scores over all patients was 8.1 points in 18 months. No significant association was found between the markers and the rate of cognitive decline. Mediation analysis revealed no mediating role for endothelial cell markers, and interaction effects were not observed. DISCUSSION Our results do not support the role of systemic inflammation or endothelial dysfunction in progression in persons with AD.
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Affiliation(s)
- Arne van Setten
- Department of Geriatric Medicine, Radboudumc Alzheimer Center, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Jeroen F Uleman
- Copenhagen Health Complexity Center, Department of Public Health, University of Copenhagen, Oster Farimagsgade 5, 1353, Copenhagen K, Denmark.
| | - René J F Melis
- Department of Geriatric Medicine, Radboudumc Alzheimer Center, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Brian Lawlor
- Global Brain Health Institute, Trinity College, Dublin, Ireland
| | - Niels P Riksen
- Department of Internal Medicine, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Jurgen A H R Claassen
- Department of Geriatric Medicine, Radboudumc Alzheimer Center, Radboud University Medical Center, Nijmegen, The Netherlands
- Department of Cardiovascular Sciences, University of Leicester, Leicester, UK
| | - Rianne A A de Heus
- Department of Geriatric Medicine, Radboudumc Alzheimer Center, Radboud University Medical Center, Nijmegen, The Netherlands
- Department of Primary and Community Care, Radboud University Medical Center, Nijmegen, The Netherlands
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Tahsin CT, Michopoulos V, Powers A, Park J, Ahmed Z, Cullen K, Jenkins NDM, Keller-Ross M, Fonkoue IT. Sleep efficiency and PTSD symptom severity predict microvascular endothelial function and arterial stiffness in young, trauma-exposed women. Am J Physiol Heart Circ Physiol 2023; 325:H739-H750. [PMID: 37505472 PMCID: PMC10642999 DOI: 10.1152/ajpheart.00169.2023] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 07/13/2023] [Accepted: 07/28/2023] [Indexed: 07/29/2023]
Abstract
Posttraumatic stress disorder (PTSD) is linked to sleep disturbances and significantly higher risk of developing cardiovascular disease (CVD). Furthermore, vascular dysfunction and sleep are independently associated with CVD. Uncovering the link between PTSD symptom severity, sleep disturbances, and vascular function could shine a light on mechanisms of CVD risk in trauma-exposed young women. The purpose of the present study was to investigate the individual and combined effects of sleep efficiency and PTSD symptom severity on vascular function. We recruited 60 otherwise healthy women [age, 26 ± 7 yr and body mass index (BMI), 27.7 ± 6.5 kg/m2] who had been exposed to trauma. We objectively quantified sleep efficiency (SE) using actigraphy, microvascular endothelial function via Framingham reactive hyperemia index (fRHI), and arterial stiffness via pulse-wave velocity (PWV). PTSD symptom severity was assessed using the PTSD checklist for fifth edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-5) (PCL5). PWV was correlated with age (r = 0.490, P < 0.001) and BMI (r = 0.484, P < 0.001). In addition, fRHI was positively correlated with SE (r = 0.409, P = 0.001) and negatively correlated with PTSD symptoms (r = -0.382, P = 0.002). To explore the predictive value of SE and PTSD symptoms on PWV and fRHI, we conducted two multivariate linear regression models. The model predicting PWV was significant (R2 = 0.584, P < 0.001) with age, BMI, blood pressure, and SE emerging as predictors. Likewise, the model predicting fRHI was significant (R2 = 0.360, P < 0.001) with both PTSD symptoms and SE as significant predictors. Our results suggest that although PTSD symptoms mainly impact microvascular endothelial function, sleep efficiency is additionally associated with arterial stiffness in young trauma-exposed women, after controlling for age and BMI.NEW & NOTEWORTHY This is the first study to investigate the individual and combined impacts of objective sleep and PTSD symptoms severity on arterial stiffness and microvascular endothelial function in young premenopausal women. We report that in young trauma-exposed women, although low sleep efficiency is associated with overall vascular function (i.e., microvascular endothelial function and arterial stiffness), the severity of PTSD symptoms is specifically associated with microvascular endothelial function, after accounting for age and body mass index.
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Affiliation(s)
- Chowdhury Tasnova Tahsin
- Division of Physical Therapy, Department of Rehabilitation Medicine, University of Minnesota Medical School, Minneapolis, Minnesota, United States
- Division of Rehabilitation Science, Department of Rehabilitation Medicine, University of Minnesota Medical School, Minneapolis, Minnesota, United States
| | - Vasiliki Michopoulos
- Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, Georgia, United States
| | - Abigail Powers
- Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, Georgia, United States
| | - Jeanie Park
- Division of Renal Medicine, Department of Medicine, Emory University School of Medicine, Atlanta, Georgia, United States
- Department of Veterans Affairs, Research Service Line, Atlanta Veterans Affairs Healthcare Systems, Decatur, Georgia, United States
| | - Zynab Ahmed
- Division of Physical Therapy, Department of Rehabilitation Medicine, University of Minnesota Medical School, Minneapolis, Minnesota, United States
- Division of Rehabilitation Science, Department of Rehabilitation Medicine, University of Minnesota Medical School, Minneapolis, Minnesota, United States
| | - Kathryn Cullen
- Department of Psychiatry, University of Minnesota Medical School, Minneapolis, Minnesota, United States
| | - Nathaniel D M Jenkins
- Department of Health and Human Physiology, University of Iowa, Iowa City, Iowa, United States
- Abboud Cardiovascular Research Center, University of Iowa, Iowa City, Iowa, United States
| | - Manda Keller-Ross
- Division of Physical Therapy, Department of Rehabilitation Medicine, University of Minnesota Medical School, Minneapolis, Minnesota, United States
- Division of Rehabilitation Science, Department of Rehabilitation Medicine, University of Minnesota Medical School, Minneapolis, Minnesota, United States
| | - Ida T Fonkoue
- Division of Physical Therapy, Department of Rehabilitation Medicine, University of Minnesota Medical School, Minneapolis, Minnesota, United States
- Division of Rehabilitation Science, Department of Rehabilitation Medicine, University of Minnesota Medical School, Minneapolis, Minnesota, United States
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Wiley E, Brooks D, MacDermid JC, Sakakibara B, Stratford PW, Tang A. Does peak expiratory flow moderate trajectories of cognitive function among individuals with lung diseases? A longitudinal analysis of the National Health and Aging Trends Study. Respir Med 2023; 207:107120. [PMID: 36646395 DOI: 10.1016/j.rmed.2023.107120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 01/11/2023] [Accepted: 01/13/2023] [Indexed: 01/15/2023]
Abstract
INTRODUCTION Impaired cognitive function can co-exist in chronic respiratory diseases. However, it is not clear if peak expiratory flow (PEF) impacts changes in cognitive function. Our objective was to explore whether peak expiratory flow moderates trajectories of memory, visuospatial abilities, and executive function in individuals with chronic respiratory diseases. METHODS This was an analysis of individuals with lung diseases from the National Health and Aging Trends Study. Multivariable-adjusted generalized linear mixed models were used to estimate trajectories of immediate and delayed recall, and clock drawing over a 10-year follow-up. The interaction between PEF and time were plotted using sex-specific values for peak expiratory flow at 10th, 50th and 90th percentiles. RESULTS In females, interactions of time-by-PEF were found for both immediate (n = 489, t = 2.73, p<0.01) and delayed recall (n = 489, t = 3.38, p<0.01). Females in the 10th vs. 90th percentile of PEF declined in immediate recall at 0.14 vs. 0.065 words/year, and 0.17 vs. 0.032 words/year for delayed recall. Among males, recall declined linearly over 10 years (immediate recall: n = 296, t = -3.08, p < 0.01; delayed recall: n = 292, t = -2.46, p = 0.02), with no interaction with PEF. There were no time-by-PEF interactions nor declines over time in clock drawing scores in both sexes (females: n = 484, t = 0.25, p = 0.81; males: n = 291, t = -0.61, p = 0.55). CONCLUSION Females with the lowest PEF values experienced the greatest rates of decline in immediate and delayed recall over 10 years of follow-up, whereas males experienced similar declines in memory outcomes across all levels of PEF. Clock drawing scores remained stable over 10 years in both sexes.
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Affiliation(s)
- Elise Wiley
- School of Rehabilitation Science, McMaster University, Hamilton, ON, L8S 1C7, Canada.
| | - Dina Brooks
- School of Rehabilitation Science, McMaster University, Hamilton, ON, L8S 1C7, Canada; Respiratory Medicine, West Park Healthcare Centre, Toronto, ON, M6M 2J5, Canada; Department of Physical Therapy, University of Toronto, Toronto, ON, M5G 1V7, Canada.
| | - Joy C MacDermid
- School of Rehabilitation Science, McMaster University, Hamilton, ON, L8S 1C7, Canada; School of Physical Therapy, Western University, London, ON, N6A 1H1, Canada.
| | - Brodie Sakakibara
- Department of Occupational Science & Occupational Therapy, Centre for Chronic Disease Prevention and Management, Southern Medical Program, University of British Columbia, Kelowna, BC, V1V 1V7, Canada.
| | - Paul W Stratford
- School of Rehabilitation Science, McMaster University, Hamilton, ON, L8S 1C7, Canada.
| | - Ada Tang
- School of Rehabilitation Science, McMaster University, Hamilton, ON, L8S 1C7, Canada.
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Luyten LJ, Dockx Y, Madhloum N, Sleurs H, Gerrits N, Janssen BG, Neven KY, Plusquin M, Provost EB, De Boever P, Nawrot TS. Association of Retinal Microvascular Characteristics With Short-term Memory Performance in Children Aged 4 to 5 Years. JAMA Netw Open 2020; 3:e2011537. [PMID: 32706383 PMCID: PMC7382002 DOI: 10.1001/jamanetworkopen.2020.11537] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
IMPORTANCE Neurocognitive functions develop rapidly in early childhood and depend on the intrinsic cooperation between cerebral structures and the circulatory system. The retinal microvasculature can be regarded as a mirror image of the cerebrovascular circulation. OBJECTIVE To investigate the association between retinal vessel characteristics and neurological functioning in children aged 4 to 5 years. DESIGN, SETTING, AND PARTICIPANTS In this cohort study, mother-child pairs were recruited at birth from February 10, 2010, to June 24, 2014, and renewed consent at their follow-up visit from December 10, 2014, to July 13, 2018. Participants were followed up longitudinally within the prospective Environmental Influence on Aging in Early Life birth cohort. A total of 251 children underwent assessment for this study. Data were analyzed from July 17 to October 30, 2019. MAIN OUTCOMES AND MEASURES Retinal vascular diameters, the central retinal arteriolar equivalent (CRAE), central retinal venular equivalent (CRVE), vessel tortuosity, and fractal dimensions were determined. Attention and psychomotor speed, visuospatial working memory, and short-term visual recognition memory were assessed by the Cambridge Neuropsychological Test Automated Battery, including the following tasks: Motor Screening (MOT), Big/Little Circle (BLC), Spatial Span (SSP), and Delayed Matching to Sample (DMS). RESULTS Among the 251 children included in the assessment (135 girls [53.8%]; mean [SD] age, 4.5 [0.4] years), for every 1-SD widening in CRVE, the children performed relatively 2.74% (95% CI, -0.12 to 5.49; P = .06) slower on the MOT test, had 1.76% (95% CI, -3.53% to -0.04%; P = .04) fewer correct DMS assessments in total, and made 2.94% (95% CI, 0.39 to 5.29; P = .02) more errors given a previous correct answer in the DMS task on multiple linear regression modeling. For every 1-SD widening in CRAE, the total percentage of errors and errors given previous correct answers in the DMS task increased 1.44% (95% CI, -3.25% to 0.29%; P = .09) and 2.30% (95% CI, -0.14% to 4.61%; P = .07), respectively. A 1-SD higher vessel tortuosity showed a 4.32% relative increase in latency in DMS task performance (95% CI, -0.48% to 9.12%; P = .07). Retinal vessel characteristics were not associated with BLC and SSP test outcomes. CONCLUSIONS AND RELEVANCE These findings suggest that children's microvascular phenotypes are associated with short-term memory and that changes in the retinal microvasculature may reflect neurological development during early childhood.
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Affiliation(s)
- Leen J. Luyten
- Centre for Environmental Sciences, Hasselt University, Hasselt, Belgium
- Unité de Recherche en Biologie Cellulaire–Namur Research Institute for Life Sciences, Namur University, Namur, Belgium
| | - Yinthe Dockx
- Centre for Environmental Sciences, Hasselt University, Hasselt, Belgium
| | - Narjes Madhloum
- Centre for Environmental Sciences, Hasselt University, Hasselt, Belgium
| | - Hanne Sleurs
- Centre for Environmental Sciences, Hasselt University, Hasselt, Belgium
| | - Nele Gerrits
- Health Unit, Flemish Institute for Technological Research, Mol, Belgium
| | - Bram G. Janssen
- Centre for Environmental Sciences, Hasselt University, Hasselt, Belgium
| | - Kristof Y. Neven
- Centre for Environmental Sciences, Hasselt University, Hasselt, Belgium
| | - Michelle Plusquin
- Centre for Environmental Sciences, Hasselt University, Hasselt, Belgium
| | - Eline B. Provost
- Centre for Environmental Sciences, Hasselt University, Hasselt, Belgium
- Health Unit, Flemish Institute for Technological Research, Mol, Belgium
| | - Patrick De Boever
- Centre for Environmental Sciences, Hasselt University, Hasselt, Belgium
- Health Unit, Flemish Institute for Technological Research, Mol, Belgium
| | - Tim S. Nawrot
- Centre for Environmental Sciences, Hasselt University, Hasselt, Belgium
- Department of Public Health and Primary Care, Occupational and Environmental Medicine, Leuven University, Leuven, Belgium
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Smith PJ, Blumenthal JA, Hinderliter AL, Watkins LL, Hoffman BM, Sherwood A. Microvascular Endothelial Function and Neurocognition Among Adults With Major Depressive Disorder. Am J Geriatr Psychiatry 2018; 26:1061-1069. [PMID: 30093218 PMCID: PMC6165686 DOI: 10.1016/j.jagp.2018.06.011] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Revised: 06/12/2018] [Accepted: 06/12/2018] [Indexed: 12/01/2022]
Abstract
BACKGROUND Cardiovascular risk factors (CVRFs) and endothelial dysfunction have been associated independently with poorer neurocognition in middle-aged adults, particularly on tests of frontal lobe function. However, to our knowledge, no studies have examined markers of microvascular dysfunction on neurocognition or the potential interaction between macro- and microvascular biomarkers on neurocognition in middle-aged and older adults with major depressive disorder (MDD). METHODS Participants included 202 adults with MDD who were not receiving mental health treatment. Microvascular endothelial function was assessed using a noninvasive marker of forearm reactive hyperemia velocity while macrovascular endothelial function was assessed using flow-mediated dilation (FMD) of the brachial artery. CVRFs were assessed using the Framingham Stroke Risk Profile and fasting lipid levels. A standardized neurocognitive assessment battery was used to assess three cognitive domains: executive function, working memory, and verbal memory. RESULTS Greater microvascular dysfunction was associated with poorer neurocognition across all three domains. Microvascular function continued to predict verbal memory performance after accounting for background factors and CVRFs. Macro- and microvascular function interacted to predict working memory performance (F = 4.511, 178, p = 0.035), with a similar nonsignificant association for executive function (F = 2.731, 178, p = 0.095), with moderate associations observed between microvascular function and neurocognition in the presence of preserved FMD (r61 = 0.40, p = 0.001), but not when FMD was impaired (r63 = -0.05, p = 0.675). CONCLUSION Greater microvascular dysfunction is associated with poorer neurocognition among middle-aged and older adults. This association was strongest in participants with preserved macrovascular function.
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Affiliation(s)
- PJ Smith
- Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC 27710, USA
| | - JA Blumenthal
- Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC 27710, USA
| | - AL Hinderliter
- Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC
| | - LL Watkins
- Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC 27710, USA
| | - BM Hoffman
- Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC 27710, USA
| | - A Sherwood
- Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC 27710, USA
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