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Cognitive and d vitamin

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https://www.readbyqxmd.com/read/27911294/deleterious-effect-of-butyrylcholinesterase-k-variant-in-donepezil-treatment-of-mild-cognitive-impairment
#1
Sophie Sokolow, Xiaohui Li, Lucia Chen, Kent D Taylor, Jerome I Rotter, Robert A Rissman, Paul S Aisen, Liana G Apostolova
BACKGROUND: Donepezil is an acetylcholinesterase inhibitor frequently prescribed for the treatment of mild cognitive impairment (MCI) though not approved by the Food and Drug Administration for this indication. In Alzheimer's disease, butyrylcholinesterase (BChE) activity increases with disease progression and may replace acetylcholinesterase function. The most frequent polymorphism of BChE is the K-variant, which is associated with lower acetylcholine-hydrolyzing activity. BChE-K polymorphism has been studied in Alzheimer's disease progression and donepezil therapy, and has led to contradictory results...
November 29, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27902586/neurological-psychological-and-cognitive-disorders-in-patients-with-chronic-kidney-disease-on-conservative-and-replacement-therapy
#2
Silvia Lai, Oriano Mecarelli, Patrizia Pulitano, Roberto Romanello, Leonardo Davi, Alessia Zarabla, Amalia Mariotti, Maria Carta, Giorgia Tasso, Luca Poli, Anna Paola Mitterhofer, Massimo Testorio, Nicla Frassetti, Paola Aceto, Alessandro Galani, Carlo Lai
Chronic kidney disease (CKD) is a highly prevalent condition in the world. Neurological, psychological, and cognitive disorders, related to CKD, could contribute to the morbidity, mortality, and poor quality of life of these patients. The aim of this study was to assess the neurological, psychological, and cognitive imbalance in patients with CKD on conservative and replacement therapy.Seventy-four clinically stable patients affected by CKD on conservative therapy, replacement therapy (hemodialysis (HD), peritoneal dialysis (PD)), or with kidney transplantation (KT) and 25 healthy controls (HC), matched for age and sex were enrolled...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27895486/factors-associated-with-vitamin-d-status-of-low-income-hospitalized-psychiatric-patients-results-of-a-retrospective-study
#3
Alessandra N Bazzano, Lisa Littrell, Stephen Lambert, Cody Roi
BACKGROUND: Recent evidence has indicated a potential role of vitamin D3 in a range of neuropsychiatric outcomes, as well as on cognitive function, but conflicting data have left that role uncertain. Understanding potential associations of vitamin D status with psychiatric illness will allow clinicians to better assess therapeutic options. Few studies have examined vitamin D status among a racially diverse group of psychiatric patients who have been hospitalized, and none has done so in the southern US where socioeconomic inequality is high...
2016: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/27876835/folic-acid-supplementation-improves-cognitive-function-by-reducing-the-levels-of-peripheral-inflammatory-cytokines-in-elderly-chinese-subjects-with-mci
#4
Fei Ma, Tianfeng Wu, Jiangang Zhao, Aili Song, Huan Liu, Weili Xu, Guowei Huang
This study aimed to evaluate whether folic acid supplementation would improve cognitive performance by reducing serum inflammatory cytokine concentrations. This RCT was performed in Tianjin, China. Participants with mild cognitive impairment (MCI) were randomly assigned to the folic acid (400 μg/day) or conventional treatment groups. Neuropsychological tests were administered, and folate, homocysteine, vitamin B12, IL-6, TNF-α, Aβ-42, and Aβ-40 were measured at baseline and at 6- and 12-month time points...
November 23, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27856775/genetically-decreased-vitamin-d-and-risk-of-alzheimer-disease
#5
Lauren E Mokry, Stephanie Ross, John A Morris, Despoina Manousaki, Vincenzo Forgetta, J Brent Richards
OBJECTIVE: To test whether genetically decreased vitamin D levels are associated with Alzheimer disease (AD) using mendelian randomization (MR), a method that minimizes bias due to confounding or reverse causation. METHODS: We selected single nucleotide polymorphisms (SNPs) that are strongly associated with 25-hydroxyvitamin D (25OHD) levels (p < 5 × 10(-8)) from the Study of Underlying Genetic Determinants of Vitamin D and Highly Related Traits (SUNLIGHT) Consortium (N = 33,996) to act as instrumental variables for the MR study...
November 16, 2016: Neurology
https://www.readbyqxmd.com/read/27846770/the-relationship-between-balance-and-vitamin-25-oh-d-in-fibromyalgia-patients
#6
Meliha Kasapoğlu Aksoy, Lale Altan, Burcu Ökmen Metin
: INTRODUCTİON: Fibromyalgia syndrome (FMS) is a chronic disease characterized by diffuse pain of unknown cause, fatigue, sleep disorders, cognitive dysfunction and sensitivity. Fibromyalgia was shown to be associated with balance problems and increased incidence of falls. There are many theoretical mechanisms related to the impact of vitamin D on postural control. The aim of the current study was to investigate the relationship between vitamin 25(OH)D levels and pain, balance and daily activities in patients with FMS...
November 16, 2016: Modern Rheumatology
https://www.readbyqxmd.com/read/27827293/vitamin-d-deficiency-behavioral-atypicality-anxiety-and-depression-in-children-with-chromosome-22q11-2-deletion-syndrome
#7
L Kelley, A F P Sanders, E A Beaton
Chromosome 22q11.2 deletion syndrome (22q11.2DS) is a complex developmental disorder with serious medical, cognitive and emotional symptoms across the lifespan. This genetic deletion also imparts a lifetime risk for developing schizophrenia that is 25-30 times that of the general population. The origin of this risk is multifactorial and may include dysregulation of the stress response and immunological systems in relation to brain development. Vitamin D is involved in brain development and neuroprotection, gene transcription, immunological regulation and influences neuronal signal transduction...
December 2016: Journal of Developmental Origins of Health and Disease
https://www.readbyqxmd.com/read/27812859/palliative-care-of-cancer-in-the-older-patient
#8
REVIEW
Lodovico Balducci, Dawn Dolan
The scope of palliative care includes goal setting, symptom management, and care of the care giver. Palliative care is essential for patient-centered care of the older cancer patients. The diversity of this population in terms of life expectancy, treatment tolerance, function, disability, and social support mandates personalized treatment plans. The assessment of physiologic age is currently based on a comprehensive geriatric assessment (CGA). A number of biologic markers of aging including the inflammatory index, the genomic clock, the expression of p16INKa4, and the circulating levels of vitamin D may complement the CGA and fine-tune the determination of physiologic age...
December 2016: Current Oncology Reports
https://www.readbyqxmd.com/read/27812184/vitamin-d-fibroblast-growth-factor-23-and-incident-cognitive-impairment-findings-from-the-regards-study
#9
Bhupesh Panwar, Suzanne E Judd, Virginia J Howard, Nancy S Jenny, Virginia G Wadley, Orlando M Gutiérrez
Vitamin D protects against cognitive decline in animals but evidence in humans has been inconsistent. Fibroblast growth factor 23 (FGF23) is a hormone that inhibits vitamin D activation yet few studies examined whether FGF23 is associated with cognitive impairment. The objective of this study was to examine associations of 25(OH)D and FGF23 with incident cognitive impairment in the Reasons for Geographic and Racial Differences in Stroke (REGARDS) study, a cohort of black and white adults ≥45 years old. FGF23 and 25(OH)D were measured in 474 incident impairment cases and 561 controls...
2016: PloS One
https://www.readbyqxmd.com/read/27792245/malnutrition-and-risk-of-structural-brain-changes-seen-on-magnetic-resonance-imaging-in-older-adults
#10
Marian A E de van der Schueren, Sabine Lonterman-Monasch, Wiesje M van der Flier, Mark H Kramer, Andrea B Maier, Majon Muller
OBJECTIVES: To study the associations between protein energy malnutrition, micronutrient malnutrition, brain atrophy, and cerebrovascular lesions. DESIGN: Cross-sectional. SETTING: Geriatric outpatient clinic. PARTICIPANTS: Older adults (N = 475; mean age 80 ± 7). MEASUREMENTS: Nutritional status was assessed using the Mini Nutritional Assessment (MNA) and according to serum micronutrient levels (vitamins B1, B6, B12, D; folic acid)...
October 28, 2016: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/27792188/the-impact-of-vitamin-e-and-other-fat-soluble-vitamins-on-alzheimer%C3%A2-s-disease
#11
REVIEW
Marcus O W Grimm, Janine Mett, Tobias Hartmann
Alzheimer's disease (AD) is the most common cause of dementia in the elderly population, currently affecting 46 million people worldwide. Histopathologically, the disease is characterized by the occurrence of extracellular amyloid plaques composed of aggregated amyloid-β (Aβ) peptides and intracellular neurofibrillary tangles containing the microtubule-associated protein tau. Aβ peptides are derived from the sequential processing of the amyloid precursor protein (APP) by enzymes called secretases, which are strongly influenced by the lipid environment...
October 26, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27783938/vitamin-d-promotes-protein-homeostasis-and-longevity-via-the-stress-response-pathway-genes-skn-1-ire-1-and-xbp-1
#12
Karla A Mark, Kathleen J Dumas, Dipa Bhaumik, Birgit Schilling, Sonnet Davis, Tal Ronnen Oron, Dylan J Sorensen, Mark Lucanic, Rachel B Brem, Simon Melov, Arvind Ramanathan, Bradford W Gibson, Gordon J Lithgow
Vitamin D has multiple roles, including the regulation of bone and calcium homeostasis. Deficiency of 25-hydroxyvitamin D, the major circulating form of vitamin D, is associated with an increased risk of age-related chronic diseases, including Alzheimer's disease, Parkinson's disease, cognitive impairment, and cancer. In this study, we utilized Caenorhabditis elegans to examine the mechanism by which vitamin D influences aging. We found that vitamin-D3-induced lifespan extension requires the stress response pathway genes skn-1, ire-1, and xbp-1...
October 25, 2016: Cell Reports
https://www.readbyqxmd.com/read/27772736/vitamin-d-receptor-gene-polymorphisms-and-cognitive-decline-in-parkinson-s-disease
#13
Nicole M Gatto, Kimberly C Paul, Janet S Sinsheimer, Jeff M Bronstein, Yvette Bordelon, Rebecca Rausch, Beate Ritz
We and others have suggested that vitamin D receptor gene (VDR) polymorphisms influence susceptibility for Parkinson's disease (PD), Alzheimer's disease (AD), mild cognitive impairment (MCI) or overall cognitive functioning. Here we examine VDR polymorphisms and cognitive decline in patients with PD. Non-Hispanic Caucasian PD patients (n=190) in the Parkinson Environment Gene (PEG) study were successfully genotyped for seven VDR polymorphisms. Cognitive function was assessed with the Mini-Mental State Exam (MMSE) at baseline and at a maximum of three follow-up exams...
November 15, 2016: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/27770020/early-micronutrient-supplementation-protects-against-early-stress-induced-cognitive-impairments
#14
Eva F G Naninck, J Efraim Oosterink, Kit-Yi Yam, Lennart P de Vries, Henk Schierbeek, Johannes B van Goudoever, Rikst-Nynke Verkaik-Schakel, Josèe A Plantinga, Torsten Plosch, Paul J Lucassen, Aniko Korosi
Early-life stress (ES) impairs cognition later in life. Because ES prevention is problematic, intervention is needed, yet the mechanisms that underlie ES remain largely unknown. So far, the role of early nutrition in brain programming has been largely ignored. Here, we demonstrate that essential 1-carbon metabolism-associated micronutrients (1-CMAMs; i.e., methionine and B vitamins) early in life are crucial in programming later cognition by ES. ES was induced in male C57Bl/6 mice from postnatal d (P)2-9. 1-CMAM levels were measured centrally and peripherally by using liquid chromatography-mass spectroscopy...
October 21, 2016: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/27767993/effect-size-analyses-of-souvenaid-in-patients-with-alzheimer-s-disease
#15
Jeffrey Cummings, Philip Scheltens, Ian McKeith, Rafael Blesa, John E Harrison, Paulo H F Bertolucci, Kenneth Rockwood, David Wilkinson, Wouter Wijker, David A Bennett, Raj C Shah
BACKGROUND: Souvenaid® (uridine monophosphate, docosahexaenoic acid, eicosapentaenoic acid, choline, phospholipids, folic acid, vitamins B12, B6, C, and E, and selenium), was developed to support the formation and function of neuronal membranes. OBJECTIVE: To determine effect sizes observed in clinical trials of Souvenaid and to calculate the number needed to treat to show benefit or harm. METHODS: Data from all three reported randomized controlled trials of Souvenaid in Alzheimer's disease (AD) dementia (Souvenir I, Souvenir II, and S-Connect) and an open-label extension study were included in analyses of effect size for cognitive, functional, and behavioral outcomes...
October 20, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27729011/environmental-risk-factors-for-dementia-a-systematic-review
#16
Lewis O J Killin, John M Starr, Ivy J Shiue, Tom C Russ
BACKGROUND: Dementia risk reduction is a major and growing public health priority. While certain modifiable risk factors for dementia have been identified, there remains a substantial proportion of unexplained risk. There is evidence that environmental risk factors may explain some of this risk. Thus, we present the first comprehensive systematic review of environmental risk factors for dementia. METHODS: We searched the PubMed and Web of Science databases from their inception to January 2016, bibliographies of review articles, and articles related to publically available environmental data...
October 12, 2016: BMC Geriatrics
https://www.readbyqxmd.com/read/27716664/normal-vitamin-levels-and-nutritional-indices-in-alzheimer-s-disease-patients-with-mild-cognitive-impairment-or-dementia-with-normal-body-mass-indexes
#17
Ingun Ulstein, Thomas Bøhmer
Evidence supports an association between vitamin deficiencies and cognitive decline in Alzheimer's disease (AD). If vitamin deficiencies are causative for AD development, they should be detectable during very early stages of AD. Here we investigated nutritional factors among home-living patients diagnosed with mild cognitive impairment (MCI) or mild dementia due to AD, compared to healthy controls. Our study included 73 patients with AD (25 with MCI, 48 with dementia) and 63 cognitively intact age-matched controls...
October 5, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27709233/vitamin-c-supplementation-apoe4-genotype-and-cognitive-functioning-in-a-rural-dwelling-cohort
#18
K Chaudhari, N Sumien, L Johnson, D D'Agostino, M Edwards, R J Paxton, J R Hall, S O'Bryant
OBJECTIVE: Apolipoprotein E4 (APOE4) genotype has been implicated as a moderating factor in cognitive function studies. Although prior studies have suggested that vitamin C is associated with better cognitive function in elders, link between the two has been mixed. Limited data exist as to whether the APOE4 genotype influences these associations. Therefore, this study sought to determine whether the association between vitamin C and cognition in a rural community dwelling cohort differs by the APOE4 genotype...
2016: Journal of Nutrition, Health & Aging
https://www.readbyqxmd.com/read/27651008/vitamin-d-and-cognition-in-older-adults-international-consensus-guidelines
#19
Cédric Annweiler, Erdinç Dursun, Francois Féron, Duygu Gezen-Ak, Allan V Kalueff, Thomas Littlejohns, David Llewellyn, Pascal Millet, Tammy Scott, Katherine L Tucker, Selma Yilmazer, Olivier Beauchet
Hypovitaminosis D, a common condition in older adults, is associated with brain changes and dementia. Given the fast growing contribution of literature in this research field, clear guidance is needed for clinicians and researchers. International experts met at the invitational summit on "Vitamin D and cognition in older adults" in Boston, MA, July 2013. Based upon literature and expert opinion, the task force focused on key questions on the role of vitamin D in Alzheimer disease and related disorders. Each question was discussed and voted using a Delphi-like approach...
September 1, 2016: Gériatrie et Psychologie Neuropsychiatrie du Vieillissement
https://www.readbyqxmd.com/read/27643909/dementia
#20
Peter A Ljubenkov, Michael D Geschwind
Dementia often is defined as a progressive cognitive disturbance leading to a loss of independent function. Most clinicians are familiar with the typical pattern of amnestic Alzheimer's disease, the most common neurodegenerative presentation of dementia. Atypical dementia presentations, including atypical Alzheimer's variants, however, may pose a diagnostic challenge for even experienced clinicians. In this article the authors discuss clinical "pearls" for the diagnosis of various neurodegenerative dementia syndromes...
August 2016: Seminars in Neurology
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