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Diabetes and cognition

Grace Guerrero-Ramírez, Eduardo Cumba-Avilés
OBJECTIVE: People with type 1 diabetes (T1D) may experience significant changes in their daily routines due to this condition, which frequently results in depressive symptoms and the deterioration of their quality of life. We examined the factors associated with suicidal ideation (SI) and diabetes-related quality of life (DRQOL) in adolescents (aged 12 to 17) with T1D. METHODS: The sample consisted of 51 youths (29 girls) recruited during a treatment study for depression...
2018: Puerto Rico Health Sciences Journal
Karen E Assmann, Moufidath Adjibade, Nitin Shivappa, James R Hébert, Michael D Wirth, Mathilde Touvier, Tasnime Akbaraly, Serge Hercberg, Pilar Galan, Chantal Julia, Emmanuelle Kesse-Guyot
Background: While low-grade chronic inflammation has been suggested as a major modulator of healthy aging (HA), no study has yet investigated the link between the inflammatory potential of the diet and multidimensional concepts of HA. Objective: We aimed to evaluate the association between the inflammatory potential of the diet at midlife, as measured by the Dietary Inflammatory Index (DII), and HA assessed 13 y later. Methods: We analyzed data from 2796 participants in the French Supplémentation en Vitamines et Minéraux Antioxydants (SU...
March 1, 2018: Journal of Nutrition
Vinícius Viana Abreu Montanaro, Thiago Falcão Hora, Creuza Maria da Silva, Carla Verônica de Viana Santos, Maria Inacia Ruas Lima, Edson Marcio Negrão, Daniele Sebestyan Martins Ribeiro, Eleonora Maria de Jesus Oliveira, Gabriel R de Freitas
BACKGROUND: Chagas disease is related to ischemic stroke (IS), although few epidemiological studies have evaluated the associated mortality and recurrence. Our objective is to determine factors associated with mortality and recurrence of IS in patients with IS and Chagas disease. METHODS: We retrospectively studied data obtained from electronic medical records of patients admitted at SARAH Hospitals across Brazil between 2009 and 2013. Using Cox regression analysis for mortality and logistic regression for recurrence, we assessed primary population characteristics and statistical associations between risk factors and outcomes...
March 14, 2018: European Neurology
Rachael S Allen, Adam M Hanif, Marissa A Gogniat, Brian C Prall, Raza Haider, Moe H Aung, Megan C Prunty, Lukas M Mees, Monica M Coulter, Cara T Motz, Jeffrey H Boatright, Machelle T Pardue
Diabetic retinopathy is a leading cause of vision loss. Treatment options for early retinopathy are sparse. Exercise protects dying photoreceptors in models of retinal degeneration, thereby preserving vision. We tested the protective effects of exercise on retinal and cognitive deficits in a Type 1 diabetes model and determined whether the TrkB pathway mediates this effect. This article is protected by copyright. All rights reserved.
March 14, 2018: European Journal of Neuroscience
Eunyoung Bang, Boyoung Lee, Joon-Oh Park, Yooncheol Jang, Aekyong Kim, Sungwuk Kim, Hee-Sup Shin
In recent years, as the aging population grows, aging-induced cognitive impairments including dementia and Alzheimer's disease (AD) have become the biggest challenges for global public health and social care. Therefore, the development of potential therapeutic drugs for aging-associated cognitive impairment is essential. Metabolic dysregulation has been considered to be a key factor that affects aging and dementia. Adenosine monophosphate (AMP)-activated protein kinase (AMPK) is a primary sensor of cellular energy states and regulates cellular energy metabolism...
February 2018: Experimental Neurobiology
Ellen M McCreedy, Robert L Kane, Sarah E Gollust, Nathan D Shippee, Kirby D Clark
BACKGROUND: Clinicians strive to deliver individualized, patient-centered care. However, these intentions are understudied. This research explores how patient characteristics associated with an high risk-to-benefit ratio with hypoglycemia medications affect decision making by primary care clinicians. METHODS: Using a vignette-based survey, we queried primary care clinicians on their intended management of geriatric patients with diabetes. The patients' ages, disease durations, and comorbidities were systematically varied...
March 2018: Journal of the American Board of Family Medicine: JABFM
Marion Waite, Clare Martin, Rachel Franklin, David Duce, Rachel Harrison
BACKGROUND: People with type 1 diabetes (T1D) undertake self-management to prevent short and long-term complications. Advanced technology potentially supports such activities but requires consideration of psychological and behavioral constructs and usability issues. Economic factors and health care provider capacity influence access and uptake of advanced technology. Previous reviews have focused upon clinical outcomes or were descriptive or have synthesized studies on adults with those on children and young people where human factors are different...
March 15, 2018: JMIR Human Factors
Diego Z Carvalho, Erik K St Louis, David S Knopman, Bradley F Boeve, Val J Lowe, Rosebud O Roberts, Michelle M Mielke, Scott A Przybelski, Mary M Machulda, Ronald C Petersen, Clifford R Jack, Prashanthi Vemuri
Importance: Aging is associated with excessive daytime sleepiness (EDS), which has been linked to cognitive decline in the elderly. However, whether EDS is associated with the pathologic processes of Alzheimer disease remains unclear. Objective: To investigate whether EDS at baseline is associated with a longitudinal increase in regional β-amyloid (Aβ) accumulation in a cohort of elderly individuals without dementia. Design, Setting, and Participants: This prospective analysis included participants enrolled in the Mayo Clinic Study of Aging, a longitudinal population-based study in Olmsted County, Minnesota...
March 12, 2018: JAMA Neurology
Christine M Embury, Alex I Wiesman, Amy L Proskovec, Elizabeth Heinrichs-Graham, Timothy J McDermott, Grace H Lord, Kaitlin L Brau, Andjela T Drincic, Cyrus V Desouza, Tony W Wilson
It is now generally accepted that diabetes increases the risk for cognitive impairment, but the precise mechanisms are poorly understood. A critical problem in linking diabetes to cognitive impairment is that patients often have multiple comorbidities (e.g., obesity, hypertension) that have been independently linked to cognitive deficits. Herein, we focus on young adults with and without type 1 diabetes who were virtually free of such comorbidities. The two groups were matched on major health and demographic factors, and all participants completed a verbal working memory task during magnetoencephalographic (MEG) brain imaging...
March 12, 2018: Diabetes
David A Scott, Lisbeth Evered, Paul Maruff, Andrew MacIsaac, Sarah Maher, Brendan S Silbert
BACKGROUND: Hospital procedures have been associated with cognitive change in older patients. This study aimed to document the prevalence of mild cognitive impairment in individuals undergoing left heart catheterization (LHC) before the procedure and the incidence of cognitive decline to 3 months afterwards. METHODS AND RESULTS: We conducted a prospective, observational, clinical investigation of elderly participants undergoing elective LHC. Cognition was assessed using a battery of written tests and a computerized cognitive battery before the LHC and then at 3 months afterwards...
March 10, 2018: Journal of the American Heart Association
Janet L MacNeil Vroomen, Ling Han, Joan K Monin, Kasia J Lipska, Heather G Allore
OBJECTIVES: To estimate the associations between diabetes, heart disease, and dementia, which may increase the difficulty of self-care; model functional disability trajectories jointly with attrition (death or dropout) over 5 years. DESIGN: Population-based complex survey design. SETTING: National Health and Aging Trends Study. PARTICIPANTS: Community-dwelling Medicare beneficiaries aged 65 and older (N=7,609). MEASUREMENTS: National estimates were generated using sampling weights...
March 9, 2018: Journal of the American Geriatrics Society
Michael J Hurley, Robert M J Deacon, Katrin Beyer, Elena Ioannou, Agustin Ibáñez, Jessica L Teeling, Patricia Cogram
Alzheimer's disease (AD) is a multifactorial progressive neurodegenerative disease. Despite decades of research, no disease modifying therapy is available and a change of research objectives and/or development of novel research tools may be required. Much AD research has been based on experimental models using animals with a short lifespan that have been extensively genetically manipulated and do not represent the full spectrum of late-onset AD, which make up the majority of cases. The aetiology of AD is heterogeneous and involves multiple factors associated with the late-onset of the disease like disturbances in brain insulin, oxidative stress, neuroinflammation, metabolic syndrome, retinal degeneration and sleep disturbances which are all progressive abnormalities that could account for many molecular, biochemical and histopathological lesions found in brain from patients dying from AD...
March 4, 2018: Pharmacology & Therapeutics
Yadong Zhai, Xiangbao Meng, Yun Luo, Yongmei Wu, Tianyuan Ye, Ping Zhou, Shilan Ding, Min Wang, Senbao Lu, Lili Zhu, Guibo Sun, Xiaobo Sun
Numerous researches supported that oxidative stress and inflammation play important roles in the development of diabetic encephalopathy (DEP). Notoginsenoside R1 (NGR1), one major component of Panax notoginseng , is believed to have anti-oxidative, anti-inflammatory and neuroprotective properties. However, its neuroprotective effects against DEP and underlying mechanisms are still unknown. In this study, db/db mice as well as high-glucose (HG)-treated HT22 hippocampal neurons were used as in vivo and in vitro models to estimate NGR1 neuroprotection...
February 6, 2018: Oncotarget
B H Chew, R C Vos, R K Stellato, M Ismail, G E H M Rutten
AIMS: To evaluate the effectiveness of a brief, value-based emotion-cognition-focused educational programme (VEMOFIT) in Malay adults with Type 2 diabetes mellitus compared with a programme of active listening to participants' emotional experiences, social support and their opinion on the health clinic diabetes care services (attention control). METHODS: Malay adults with severe diabetes distress [Diabetes Distress Scale (DDS-17) mean score ≥ 3] were included...
March 5, 2018: Diabetic Medicine: a Journal of the British Diabetic Association
A C Reichelt, L E Stoeckel, L P Reagan, C A Winstanley, K A Page
Obesity is a world-wide crisis with profound healthcare and socio-economic implications and it is now clear that the central nervous system (CNS) is a target for the complications of metabolic disorders like obesity. In addition to decreases in physical activity and sedentary lifestyles, diet is proposed to be an important contributor to the etiology and progression of obesity. Unfortunately, there are gaps in our knowledge base related to how dietary choices impact the structural and functional integrity of the CNS...
March 1, 2018: Physiology & Behavior
Huajie Li, Yi Ren, Keshi Mao, Fei Hua, Yilin Yang, Ning Wei, Chunxian Yue, Dawen Li, Hao Zhang
Diabetes and obesity are commonly associated with Alzheimer's disease (AD). Accumulating evidence show that insulin signaling defects are protentional upstream driver of AD. However, the mechanism by which diabetes and insulin signaling defects contribute to AD remains unknown. Here we show that Fat mass and obesity-associated protein (FTO) is involved the insulin defects-associated AD. Defective insulin signaling in diabetes and obesity in human and mice activated Fto in the brain tissues. Lentivirus-mediated knockdown of Fto reduced the phosphorylation of Tau protein whereas overexpression of FTO promoted the level of phosphorylated Tau in neurons...
March 1, 2018: Biochemical and Biophysical Research Communications
Zhou Zhang, Bing Zhang, Xin Wang, Xin Zhang, Qing X Yang, Zhao Qing, Jiaming Lu, Yan Bi, Dalong Zhu
Type 2 diabetes is reported to be associated with olfactory dysfunction and cognitive decline. However, whether and how olfactory neural circuit abnormalities involve cognitive impairment in diabetes remains uncovered. This study thus aimed to investigate olfactory network alterations and the associations of odor-induced brain activity with cognitive and metabolic parameters in type 2 diabetes. Participants with normal cognition, including 51 type 2 diabetes patients and 41 non-diabetic control subjects, underwent detailed cognitive assessment, olfactory behavior tests and odor-induced functional MRI measurements...
March 2, 2018: Diabetes
Xu Chu, Shuhu Zhou, Ran Sun, Lin Wang, Chunye Xing, Ruqing Liang, Qingxia Kong
Patients with diabetes mellitus are easy to experience diabetic encephalopathy (DE) and other cognition dysfunction, whereas the neural alterations in developing this disease are unknown yet. Chrysophanol (CHR) is one of traditional Chinese medicine which was reported to show protective effects in cognition dysfunction and inflammatory in previously studies. In this current study, whether CHR protects learning and memory dysfunctions induced by diabetes disease or not and underlying mechanisms were studied...
March 1, 2018: Neurochemical Research
Cynthia Shannon Weickert, Debora A Rothmond, Tertia D Purves-Tyson
Schizophrenia is a disabling disease impacting millions of people around the world, for which there is no known cure. Current antipsychotic treatments for schizophrenia mainly target psychotic symptoms, do little to ameliorate social or cognitive deficits, have side-effects that cause weight gain, and diabetes and 30% of people do not respond. Thus, better therapeutics for schizophrenia aimed at the route biologic changes are needed and discovering the underlying neurobiology is key to this quest. Postmortem brain studies provide the most direct and detailed way to determine the pathophysiology of schizophrenia...
2018: Handbook of Clinical Neurology
Yadong Zhai, Xiangbao Meng, Tianyuan Ye, Weijie Xie, Guibo Sun, Xiaobo Sun
Diabetes is associated with a high risk of developing cognitive dysfunction and neuropsychiatric disabilities, and these disease symptomsare termed diabetic encephalopathy (DEP). Inflammation is involved in the development of DEP. The cleavage and maturation of the proinflammatory cytokine interleukin (IL)-1β is regulated by the NLRP3 inflammasome. Obese and type 2 diabetic db/db mice show anxiety- and depression-like behaviors and cognitive disorders associated with hippocampal inflammation. The purpose of this study was to explore the role of NLRP3 inflammasome in DEP...
February 27, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
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