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Diabetes and cognition

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https://www.readbyqxmd.com/read/28088029/an-updated-meta-analysis-of-cohort-studies-diabetes-and-risk-of-alzheimer-s-disease
#1
REVIEW
Jieyu Zhang, Chunxiang Chen, Shuizhen Hua, Hairong Liao, Meixiang Wang, Yan Xiong, Fei Cao
BACKGROUND: In recently, several large longitudinal population-based studies have shown that the rate of cognitive decline is accelerated in elderly people with diabetes mellitus. But the relation between diabetes and AD is still an area of controversy. The objective of this review was to update the evidence for or against diabetes as a risk factor of AD. METHODS: We searched the literature from their inception to May 2016 without restriction of language. We included all longitudinal population-based studies examining the association between diabetes and risk of AD...
November 9, 2016: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28086765/health-related-quality-of-life-hrqol-and-its-associated-factors-in-children-with-type-1-diabetes-mellitus-t1dm
#2
Marta Murillo, Joan Bel, Jacobo Pérez, Raquel Corripio, Gemma Carreras, Xavier Herrero, Josep-Maria Mengibar, Dolors Rodriguez-Arjona, Ulrike Ravens-Sieberer, Hein Raat, Luis Rajmil
BACKGROUND: The objective of the study was to describe the baseline health-related quality of life (HRQOL) in a cohort of children and adolescents with type 1 diabetes mellitus (T1DM), and analyze its associated clinical and sociodemographic factors, assessing HRQOL through internet. METHODS: This was a descriptive study of 136 patients with T1DM from 5 hospitals in Catalonia, Spain (72 girls, mean age 13.4 years (range 8-19). Inclusion criteria were more than 6 months from diagnosis, more than 8 years old and without cognitive problems...
January 13, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/28086759/urinary-incontinence-and-its-association-with-functional-physical-and-cognitive-health-among-female-nursing-home-residents-in-switzerland
#3
Lea F Schumpf, Nathan Theill, David A Scheiner, Daniel Fink, Florian Riese, Cornelia Betschart
BACKGROUND: Specific knowledge of urinary incontinence (UI) and its interrelation with physical and cognitive health is essential to working towards prevention of UI and to improving quality of treatment and care. The purpose of this study was to determine the association between UI and the activities of daily living (ADL) hierarchy scale, the cognitive performance scale (CPS) and comorbid conditions. METHODS: The cross-sectional retrospective analysis of 357 nursing homes in Switzerland was based on data of the Minimum Data Set of the Resident Assessment Instrument 2...
January 13, 2017: BMC Geriatrics
https://www.readbyqxmd.com/read/28080100/metabolic-control-and-academic-achievement-over-time-among-adolescents-with-type-1-diabetes
#4
Joel B Winnick, Cynthia A Berg, Deborah J Wiebe, Barbara A Schaefer, Pui-Wa Lei, Jonathan E Butner
The relation between metabolic control (HbA1c) and achievement (grade point average [GPA]) was examined over a period of 2.5 years (every 6 months) employing a dynamical systems approach that allowed for the examination of whether HbA1c was associated with change in subsequent GPA and vice versa. Metabolic control tends to deteriorate (i.e., with higher HbA1c reflecting poorer metabolic control) during adolescence. It was hypothesized that these higher levels of HbA1c would limit subsequent increases in GPA...
January 12, 2017: School Psychology Quarterly
https://www.readbyqxmd.com/read/28079229/the-transcription-factor-xbp1-in-memory-and-cognition-implications-in-alzheimer-disease
#5
Moustapha Cissé, Eric Duplan, Frédéric Checler
X-box binding protein 1 (XBP1) is a unique basic region leucine zipper transcription factor isolated two decades ago in a search for regulators of major histocompatibility complex class II gene expression. XBP1 is a very complex protein regulating many physiological functions, including immune system, inflammatory responses, and lipid metabolism. Evidence over the past few years suggests that XBP1 also plays important roles in pathological settings since its activity as transcription factor has profound effects on the prognosis and progression of diseases such as cancer, neurodegeneration, and diabetes...
January 4, 2017: Molecular Medicine
https://www.readbyqxmd.com/read/28078553/expression-of-apoptosis-regulatory-genes-in-the-hippocampus-of-rat-neonates-born-to-mothers-with-diabetes
#6
Hossein Haghir, Javad Hami, Nassim Lotfi, Mostafa Peyvandi, Simagol Ghasemi, Mehran Hosseini
Diabetes during pregnancy impairs the development of the central nervous system (CNS) and causes cognitive and behavioral abnormalities in offspring. However, the exact mechanism by which the maternal diabetes affects the development of the brain remains to be elucidated. The aim of the present study was to investigate the effects of maternal diabetes in pregnancy on the expression of Bcl-2 and Bax genes and the numerical density of degenerating dark neurons (DNs) in the hippocampus of offspring at the first postnatal two weeks...
January 11, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28077829/-development-of-a-psychological-insulin-resistance-scale-for-korean-patients-with-diabetes
#7
Youngshin Song, Younghee Jeon, Jeonghwa Cho, Bohyun Kim
PURPOSE: This study was done to develop and validate a measure to evaluate the Korean version of psychological insulin resistance (K-PIR) in patients with diabetes in Korea. METHODS: Items were initially generated from literature reviews and interviews with 19 patients with diabetes. The content validity of the items was evaluated by experts. Participants were 424 patients with diabetes recruited through convenience sampling. A cross-sectional survey was designed for item-analysis, exploratory factor analysis with principal axis factoring, and confirmatory factor analysis...
December 2016: Journal of Korean Academy of Nursing
https://www.readbyqxmd.com/read/28077315/inhibition-of-inos-alleviates-cognitive-deficits-and-depression-in-diabetic-mice-through-downregulating-the-no-sgc-cgmp-pkg-signal-pathway
#8
Xiao Yan Zhou, Fang Zhang, Chang Jiang Ying, Jing Chen, Ling Chen, Jing Dong, Yue Shi, Mang Tang, Xiao Tong Hu, Zhi Hua Pan, Na Na Xu, Kui Yang Zheng, Ren Xian Tang, Yuan Jian Song
Diabetes mellitus often results in a number of complications involving impaired brain function, including cognitive deficits and depression. However, the potential mechanisms for diabetes-related cognitive deficits and depression are not fully understood. Neurons in the hippocampal, cortical and amygdala functional regions are more susceptible to damage during hyperglycemia. Neuroprotection in the brain can rescue cognitive deficits and depression induced by hyperglycemia. This study investigated the potential mechanisms underlying diabetes-related congnitive deficits and depression, determined whether the inflammatory factor inducible nitric oxide synthase (iNOS) and the nitric oxide (NO)/soluble guanylyl cyclases (sGC)/cyclic guanosine monophosphate (cGMP)/protein kinase G (PKG) pathway, play key roles in cognitive deficits and depression associated...
January 8, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28073935/brain-structure-and-function-associated-with-younger-adults-in-growth-hormone-receptor-deficient-humans
#9
Kaoru Nashiro, Jaime Guevara-Aguirre, Meredith N Braskie, George W Hafzalla, Rico Velasco, Priya Balasubramian, Min Wei, Paul M Thompson, Mara Mather, Marvin D Nelson, Alexandra Guevara, Enrique Teran, Valter D Longo
: Growth hormone receptor deficiency (GHRD) results in short stature, enhanced insulin sensitivity, and low circulating levels of insulin and insulin-like growth factor 1 (IGF-1). Previous studies in mice and humans suggested that GHRD has protective effects against age-related diseases, including cancer and diabetes. Whereas GHRD mice show improved age-dependent cognitive performance, the effect of GHRD on human cognition remains unknown. Using magnetic resonance imaging (MRI), we compared brain structure, function, and connectivity between 13 people with GHRD and 12 unaffected relatives...
January 10, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28071980/metabolic-syndrome-hypertension-and-nervous-system-injury-epidemiological-correlates
#10
Giovanna Ricci, Isabel Pirillo, Daniele Tomassoni, Ascanio Sirignano, Iolanda Grappasonni
: Metabolic syndrome (MetS) is a common and complex disorder combining hypertension, obesity, dyslipidemia, and insulin resistance. MetS represents a risk factor for changes in cognitive functions in older age, and several studies have suggested that MetS may be linked to dementia. This article reviews the main evidences about the relationship between MetS and neurodegenerative disease. Starting from an epidemiological point of view, the article analyzes medico-social aspects related to MetS, considering the reduction of work capacity and the condition of disability that it involves...
January 10, 2017: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/28070703/nmr-based-metabolomics-reveals-brain-region-specific-metabolic-alterations-in-streptozotocin-induced-diabetic-rats-with-cognitive-dysfunction
#11
Hong Zheng, Qiuting Lin, Dan Wang, Pengtao Xu, Liangcai Zhao, Wenyi Hu, Guanghui Bai, Zhihan Yan, Hongchang Gao
Diabetes mellitus (DM) can result in cognitive dysfunction, but its potential metabolic mechanisms remain unclear. In the present study, we analyzed the metabolite profiling in eight different brain regions of the normal rats and the streptozotocin (STZ)-induced diabetic rats accompanied by cognitive dysfunction using a (1)H NMR-based metabolomic approach. A mixed linear model analysis was performed to assess the effects of DM, brain region and their interaction on metabolic changes. We found that different brain regions in rats displayed significant metabolic differences...
January 9, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28067945/effect-of-a-long-term-intensive-lifestyle-intervention-on-cognitive-function-action-for-health-in-diabetes-study
#12
Stephen R Rapp, Jose A Luchsinger, Laura D Baker, George L Blackburn, Helen P Hazuda, Kathryn E Demos-McDermott, Robert W Jeffery, Jeffrey N Keller, Jeanne M McCaffery, Nicholas M Pajewski, Mary Evans, Thomas A Wadden, Steven E Arnold, Mark A Espeland
OBJECTIVES: To assess whether randomization to 10 years of lifestyle intervention to induce and maintain weight loss improves cognitive function. DESIGN: Randomized controlled clinical trial. SETTING: Data obtained as part of the Action for Health in Diabetes (Look AHEAD) trial (NCT00017953) and Look AHEAD Continuation study (U01 DK057136-15). PARTICIPANTS: Overweight and obese individuals with type 2 diabetes mellitus aged 45 to 76 (N = 3,751)...
January 9, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28065206/iowa-gambling-task-performance-prospectively-predicts-changes-in-glycemic-control-among-adolescents-with-type-1-diabetes
#13
Yana Suchy, Tara L Queen, Bryce Huntbach, Deborah J Wiebe, Sara L Turner, Jonathan Butner, Caitlin S Kelly, Perrin C White, Mary Murray, Michael Swinyard, Cynthia A Berg
OBJECTIVES: Good glycemic control is an important goal of diabetes management. Late adolescents with type 1 diabetes (T1D) are at risk for poor glycemic control as they move into young adulthood. For a subset of these patients, this dysregulation is extreme, placing them at risk for life-threatening health complications and permanent cognitive declines. The present study examined whether deficiency in emotional decision making (as measured by the Iowa Gambling Task; IGT) among teens with T1D may represent a neurocognitive risk factor for subsequent glycemic dysregulation...
January 9, 2017: Journal of the International Neuropsychological Society: JINS
https://www.readbyqxmd.com/read/28063597/living-near-major-roads-and-the-incidence-of-dementia-parkinson-s-disease-and-multiple-sclerosis-a-population-based-cohort-study
#14
Hong Chen, Jeffrey C Kwong, Ray Copes, Karen Tu, Paul J Villeneuve, Aaron van Donkelaar, Perry Hystad, Randall V Martin, Brian J Murray, Barry Jessiman, Andrew S Wilton, Alexander Kopp, Richard T Burnett
BACKGROUND: Emerging evidence suggests that living near major roads might adversely affect cognition. However, little is known about its relationship with the incidence of dementia, Parkinson's disease, and multiple sclerosis. We aimed to investigate the association between residential proximity to major roadways and the incidence of these three neurological diseases in Ontario, Canada. METHODS: In this population-based cohort study, we assembled two population-based cohorts including all adults aged 20-50 years (about 4·4 million; multiple sclerosis cohort) and all adults aged 55-85 years (about 2·2 million; dementia or Parkinson's disease cohort) who resided in Ontario, Canada on April 1, 2001...
January 4, 2017: Lancet
https://www.readbyqxmd.com/read/28063267/diabetes-glycemia-and-risk-of-post-operative-cognitive-dysfunction-a-meta-analysis
#15
I Feinkohl, G Winterer, T Pischon
BACKGROUND: Post-operative cognitive dysfunction (POCD) occurs frequently after surgery, particularly among older people. Diabetes, chronic hyperglycemia and a history of hypoglycemia are related to cognitive impairment, but little is known about their roles in POCD. Here, we estimated their associations with risk of POCD on the basis of published epidemiological research. METHODS: The PubMed and Cochrane databases were searched for longitudinal studies of adults undergoing surgery with reporting of associations of diabetes status, glycemic levels and/or a history of hypoglycemia with risk of POCD as relative risks or odds ratios...
January 7, 2017: Diabetes/metabolism Research and Reviews
https://www.readbyqxmd.com/read/28062372/uric-acid-may-be-protective-against-cognitive-impairment-in-older-adults-but-only-in-those-without-cardiovascular-risk-factors
#16
Busra Tuven, Pinar Soysal, Gulcin Unutmaz, Derya Kaya, Ahmet Turan Isik
Uric acid (UA) may not only prevent development of cognitive dysfunction owing to its antioxidant efficacy, but also may worsen cognitive functions by gaining pro-oxidant character. The present study attempts to uncover this paradoxical association between UA and cognitive impairment in elderly. 1374 elderly patients were retrospectively evaluated and included in the study. Participants underwent determination of circulating UA levels and comprehensive geriatric assessment. A serum UA concentration≥7.0mg/dL in males and ≥5...
January 3, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28062257/liraglutide-prevents-cognitive-decline-in-a-rat-model-of-streptozotocin-induced-diabetes-independently-from-its-peripheral-metabolic-effects
#17
Caterina Palleria, Antonio Leo, Francesco Andreozzi, Rita Citraro, Michelangelo Iannone, Rosangela Spiga, Giorgio Sesti, Andrew Constanti, Giovambattista De Sarro, Franco Arturi, Emilio Russo
Diabetes has been identified as a risk factor for cognitive dysfunctions. Glucagone like peptide 1 (GLP-1) receptor agonists have neuroprotective effects in preclinical animal models. We evaluated the effects of GLP-1 receptor agonist, liraglutide (LIR), on cognitive decline associated with diabetes. Furthermore, we studied LIR effects against hippocampal neurodegeneration induced by streptozotocin (STZ), a well-validated animal model of diabetes and neurodegeneration associated with cognitive decline. Diabetes and/or cognitive decline were induced in Wistar rats by intraperitoneal or intracerebroventricular injection of STZ and then rats were treated with LIR (300μg/kg daily subcutaneously) for 6 weeks...
January 3, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28062133/cognitive-ability-lifestyle-risk-factors-and-two-year-survival-in-first-myocardial-infarction-men-a-swedish-national-registry-study
#18
John Wallert, Guy Madison, Claes Held, Erik Olsson
BACKGROUND: General cognitive ability (CA) is positively associated with later physical and mental health, health literacy, and longevity. We investigated whether CA estimated approximately 30years earlier in young adulthood predicted lifestyle-related risk factors and two-year survival in first myocardial infarction (MI) male patients. METHODS: Young adulthood CA estimated through psychometric testing at age 18-20years was obtained from the mandatory military conscript registry (INSARK) and linked to national quality registry SWEDEHEART/RIKS-HIA data on smoking, diabetes, hypertension, obesity (BMI>30kg/m(2)) in 60years or younger Swedish males with first MI...
December 28, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/28061969/role-of-nitric-oxide-in-stress-induced-anxiety-from-pathophysiology-to-therapeutic-target
#19
A Kumar, P Chanana
Stress is often marked by a state of hyperarousal to aid the initiation of necessary stress response for the successful management of stressful stimuli. It can be manifested as a challenge (stimulus) that requires behavioral, psychological, and physiological adaptations for the maintenance of a state of homeostasis in response to stressful stimuli. In an organism, miscellaneous stressors trigger a wide spectrum of alterations in hormonal and neuronal physiologies, resulting in behavioral (anxiety and depression disorders, diminished food intake and gastrointestinal dysfunctions, decline in sexual behavior, diabetes, and loss of cognitive function) and other physiological responses...
2017: Vitamins and Hormones
https://www.readbyqxmd.com/read/28060530/prevalence-of-hypotension-and-its-association-with-cognitive-function-among-older-adults
#20
Yadollah Abolfathi Momtaz, Tengku Aizan Hamid, Sharifah Azizah Haron, Mohamad Fazdillah Bagat, Fatemeh Mohammadi
BACKGROUND AND OBJECTIVE: The negative effect of hypertension has overshadowed possible health problems associated with hypotension. The purposes of this study were to describe the prevalence of hypotension in older adults and to determine the association between hypotension and cognitive function, after adjusting for possible covariates. METHODOLOGY: The data for the study consisting of 1067 community-dwelling older adults were obtained from a national survey entitled "Identifying Psychosocial and Identifying Economic Risk Factor of Cognitive Impairment among Elderly", conducted in Malaysia...
January 6, 2017: Aging & Mental Health
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