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Stress in dementia

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https://www.readbyqxmd.com/read/28440093/turmeric-curcuma-longa-l-extract-may-prevent-the-deterioration-of-spatial-memory-and-the-deficit-of-estimated-total-number-of-hippocampal-pyramidal-cells-of-trimethyltin-exposed-rats
#1
Sapto Yuliani, Mustofa, Ginus Partadiredja
CONTEXT: Protection of neurons from degeneration is an important preventive strategy for dementia. Much of the dementia pathology implicates oxidative stress pathways. Turmeric (Curcuma longa L.) contains curcuminoids which has anti-oxidative and neuro-protective effects. These effects are considered to be similar to those of citicoline which has been regularly used as one of standard medications for dementia. OBJECTIVE: This study aimed at investigating the effects of turmeric rhizome extract on the hippocampus of trimethyltin (TMT)-treated Sprague-Dawley rats...
April 25, 2017: Drug and Chemical Toxicology
https://www.readbyqxmd.com/read/28438530/ferulic-acid-attenuates-brain-microvascular-endothelial-cells-damage-caused-by-oxygen-glucose-deprivation-via-punctate-mitochondria-dependent-mitophagy
#2
Jun-Li Chen, Wen-Jun Duan, Si Luo, Shi Li, Xiao-Hui Ma, Bo-Nan Hou, Shu-Yi Cheng, Shu-Huan Fang, Qi Wang, Shui-Qing Huang, Yun-Bo Chen
Ferulic acid (FA) has an important effect on scavenging free radicals, which is related to the alleviation of various neurodegenerative diseases. However, there are few studies about its effects on vascular dementia. In this study, we demonstrated the effect of FA on oxidative damage of brain microvascular endothelial cells (BMECs) which underwent oxygen-glucose deprivation (OGD) for 2 hours. Our data showed that FA significantly reversed the oxidative stress state of OGD-treated BMECs and reduced mitochondrial dysfunction...
April 21, 2017: Brain Research
https://www.readbyqxmd.com/read/28437250/ionizing-radiation-reduces-adam10-expression-in-brain-microvascular-endothelial-cells-undergoing-stress-induced-senescence
#3
Lucinda S McRobb, Matthew J McKay, Jennifer R Gamble, Michael Grace, Vaughan Moutrie, Estevam D Santos, Vivienne S Lee, Zhenjun Zhao, Mark P Molloy, Marcus A Stoodley
Cellular senescence is associated with aging and is considered a potential contributor to age-associated neurodegenerative disease. Exposure to ionizing radiation increases the risk of developing premature neurovascular degeneration and dementia but also induces premature senescence. As cells of the cerebrovascular endothelium are particularly susceptible to radiation and play an important role in brain homeostasis, we investigated radiation-induced senescence in brain microvascular endothelial cells (EC). Using biotinylation to label surface proteins, streptavidin enrichment and proteomic analysis, we analyzed the surface proteome of stress-induced senescent EC in culture...
April 17, 2017: Aging
https://www.readbyqxmd.com/read/28436694/acculturation-level-and-caregiver-outcomes-from-a-randomized-intervention-trial-to-enhance-caregivers-health-evidence-from-reach-ii
#4
Oanh L Meyer, Xiaoyan Lucia Liu, Daniel Tancredi, A Susana Ramirez, Richard Schulz, Ladson Hinton
OBJECTIVE: Latinos comprise a growing segment of the caregiver population and vary widely in acculturation, yet little is known regarding how acculturation might affect caregiver stress or intervention outcomes. This study examined the relationship between acculturation and burden, bother, and depression in Latino dementia caregivers at baseline and following an intervention. METHODS: This was a secondary data analysis of 211 Latino caregivers of older adults with dementia from Resources for Enhancing Alzheimer's Caregiver Health (REACH) II, a multisite randomized trial of caregiver interventions...
April 24, 2017: Aging & Mental Health
https://www.readbyqxmd.com/read/28435163/progranulin-lysosomal-regulation-and-neurodegenerative-disease
#5
REVIEW
Aimee W Kao, Andrew McKay, Param Priya Singh, Anne Brunet, Eric J Huang
The discovery that heterozygous and homozygous mutations in the gene encoding progranulin are causally linked to frontotemporal dementia and lysosomal storage disease, respectively, reveals previously unrecognized roles of the progranulin protein in regulating lysosome biogenesis and function. Given the importance of lysosomes in cellular homeostasis, it is not surprising that progranulin deficiency has pleiotropic effects on neural circuit development and maintenance, stress response, innate immunity and ageing...
April 24, 2017: Nature Reviews. Neuroscience
https://www.readbyqxmd.com/read/28433549/influence-of-negative-life-events-and-widowhood-on-risk-for-dementia
#6
Lotte Gerritsen, Hui-Xin Wang, Chandra A Reynolds, Laura Fratiglioni, Margaret Gatz, Nancy L Pedersen
OBJECTIVE: The aim of the current study was to examine the effect of negative life events and widowhood on the incidence of dementia. METHODS: Data were from four Swedish longitudinal cohort studies with a total of nearly 2,000 participants and 8-25 years of follow-up. Seven stressful events were examined for which data were available in all cohorts. Clinical dementia diagnoses were made through medical and psychological examinations. Cox proportional hazards models were used to estimate the association between life events and dementia, adjusting for lifestyle and cardiovascular risk factors...
March 16, 2017: American Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/28432115/effects-of-exercise-on-vascular-function-structure-and-health-in-humans
#7
Daniel J Green, Kurt J Smith
Physical activity has profound impacts on the vasculature in humans. Acute exercise induces immediate changes in artery function, whereas repeated episodic bouts of exercise induce chronic functional adaptation and, ultimately, structural arterial remodeling. The nature of these changes in function and structure are dependent on the characteristics of the training load and may be modulated by other factors such as exercise-induced inflammation and oxidative stress. The clinical implications of these physiological adaptations are profound...
April 21, 2017: Cold Spring Harbor Perspectives in Medicine
https://www.readbyqxmd.com/read/28430672/lamotrigine-uses-in-psychiatric-practice-beyond-bipolar-prophylaxis-a-hope-or-hype
#8
Ahmed Naguy, Najah Al-Enezi
BACKGROUND: Lamotrigine (LAM), an antiepileptic, with panoply of indications and uses in neurology, is FDA approved, in psychiatry, for bipolar prophylaxis. Apart from this indication, trend of its use in psychiatry is on the rise addressing a multitude of disorders. STUDY QUESTION: LAM remains one of only few psychotropic drugs with antiglutamate activity. This might render LAM a potential therapeutic option in treatment-resistant major psychiatric disorders. We reviewed LAM pharmacology and its diverse indications while examining the extant evidence...
April 19, 2017: American Journal of Therapeutics
https://www.readbyqxmd.com/read/28422298/bridging-type-2-diabetes-and-alzheimer-s-disease-assembling-the-puzzle-pieces-in-the-quest-for-the-molecules-with-therapeutic-and-preventive-potential
#9
REVIEW
Ana Marta de Matos, Maria Paula de Macedo, Amélia Pilar Rauter
Type 2 diabetes (T2D) and Alzheimer's disease (AD) are two age-related amyloid diseases that affect millions of people worldwide. Broadly supported by epidemiological data, the higher incidence of AD among type 2 diabetic patients led to the recognition of T2D as a tangible risk factor for the development of AD. Indeed, there is now growing evidence on brain structural and functional abnormalities arising from brain insulin resistance and deficiency, ultimately highlighting the need for new approaches capable of preventing the development of AD in type 2 diabetic patients...
April 19, 2017: Medicinal Research Reviews
https://www.readbyqxmd.com/read/28420962/dysregulation-of-rna-binding-protein-aggregation-in-neurodegenerative-disorders
#10
REVIEW
Brandon Maziuk, Heather I Ballance, Benjamin Wolozin
The unique biology of RNA binding proteins is altering our view of the genesis of protein misfolding diseases. These proteins use aggregation of low complexity domains (LCDs) as a means to regulate the localization and utilization of RNA by forming RNA granules, such as stress granules, transport granules and P-bodies. The reliance on reversible aggregation as a mechanism for biological regulation renders this family of proteins highly vulnerable to promoting diseases of protein misfolding. Mutations in RNA binding proteins are associated with many neurodegenerative disorders, such as amyotrophic lateral sclerosis (ALS) and frontotemporal lobar dementia (FTLD)...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28420470/-explore-objective-clinical-variables-for-detecting-delirium-in-icu-patients-a-prospective-case-control-study
#11
Xiaojiang Liu, Jie Lyu, Youzhong An
OBJECTIVE: The aim of this case-control study is to explore clinical objective variables for diagnosing delirium of intensive care unit (ICU) patients. METHODS: According to the method of prospective case-control study, critical adult postoperative patients who were transferred to ICU of Peking University People's Hospital from October 2015 to May 2016 and needed mechanical ventilation were included. After evaluating the Richmond agitation sedation scale score (RASS), the patients whose score were -2 or greater were sorted into two groups, delirium and non-delirium, according to the confusion assessment method for the ICU (CAM-ICU)...
April 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28419991/effect-of-melatonin-and-resveratrol-against-memory-impairment-and-hippocampal-damage-in-a-rat-model-of-vascular-dementia
#12
Dongfang Shen, Xiaoyan Tian, Wenxu Sang, Rongrong Song
OBJECTIVES: This study was intended to investigate whether treatment with resveratrol and melatonin alone or in combination can exert neurorestorative effects in a rat model of vascular dementia. METHODS: Briefly, male Wistar rats were subjected to permanent bilateral common carotid artery occlusion (BCCAO) by surgery. After 4 weeks, the cognitive deficits were assessed using the Morris water maze and novel object recognition tests. The biochemical parameters of oxidative stress and inflammation were also assessed...
April 19, 2017: Neuroimmunomodulation
https://www.readbyqxmd.com/read/28411508/interventions-to-support-people-with-dementia-and-their-caregivers-during-the-transition-from-home-care-to-nursing-home-care-a-systematic-review
#13
REVIEW
Christian Müller, Sindy Lautenschläger, Gabriele Meyer, Astrid Stephan
BACKGROUND: During the transition of people with dementia from home to nursing home family caregivers often feel burdened. OBJECTIVES: We aimed to 1) identify interventions which support people with dementia and their caregivers in the transition from home care to nursing home care, 2) synthesize the evidence for efficacy of these interventions, and 3) examine whether the identified interventions have been systematically developed, evaluated and implemented according to the Medical Research Council guidance on complex interventions...
April 3, 2017: International Journal of Nursing Studies
https://www.readbyqxmd.com/read/28398193/mitochondrial-involvement-in-memory-impairment-induced-by-scopolamine-in-rats
#14
Maylin Wong-Guerra, Javier Jiménez-Martin, Gilberto L Pardo-Andreu, Luis A Fonseca-Fonseca, Diogo O Souza, Adriano M de Assis, Jeney Ramirez-Sanchez, Roberto Menéndez-Soto Del Valle, Yanier Nuñez-Figueredo
OBJECTIVE: Scopolamine (SCO) administration to rats induces molecular features of AD and other dementias, including impaired cognition, increased oxidative stress, and imbalanced cholinergic transmission. Although mitochondrial dysfunction is involved in different types of dementias, its role in cognitive impairment induced by SCO has not been well elucidated. The aim of this work was to evaluate the in vivo effect of SCO on different brain mitochondrial parameters in rats to explore its neurotoxic mechanisms of action...
April 11, 2017: Neurological Research
https://www.readbyqxmd.com/read/28397504/-chemotherapy-related-cognitive-impairment-in-patients-with-hodgkin-lymphoma-pathophysiology-and-risk-factors
#15
D Fayette, Ľ Gahérová, H Móciková, J Marková, T Kozák, J Horáček
BACKGROUND: Cognitive impairment (impairment of memory, attention, or concentration) is documented in 17-75% of patients with various malignancies treated with chemotherapeutic agents that worsen quality of life. CRCI affects patients of all ages. The impairment of cognitive function in connection with chemotherapy is usually mild, but an event. relationship with dementia remains to be confirmed. Chemotherapy in combination with radiotherapy in Hodgkin lymphoma can cure 80-90% of patients...
2017: Klinická Onkologie: Casopis Ceské a Slovenské Onkologické Spolecnosti
https://www.readbyqxmd.com/read/28396624/granulostasis-protein-quality-control-of-rnp-granules
#16
REVIEW
Simon Alberti, Daniel Mateju, Laura Mediani, Serena Carra
Ribonucleoprotein (RNP) granules transport, store, or degrade messenger RNAs, thereby indirectly regulating protein synthesis. Normally, RNP granules are highly dynamic compartments. However, because of aging or severe environmental stress, RNP granules, in particular stress granules (SGs), convert into solid, aggregate-like inclusions. There is increasing evidence that such RNA-protein inclusions are associated with several age-related neurodegenerative diseases, such as amyotrophic lateral sclerosis (ALS), fronto-temporal dementia (FTD) and Alzheimer's disease (AD)...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28393627/linking-senile-dementia-to-type-2-diabetes-role-of-oxidative-stress-markers-c-reactive-protein-and-tumor-necrosis-factor-%C3%AE
#17
Merhan Mamdouh Ragy, Nashwa Nabil Kamal
Diabetes is considered an independent risk factor for cognitive impairments. OBJECTIVES: The aim of this study was to evaluate the cognitive disorder of elderly outpatients with and without type 2 diabetes (T2DM) in releationto oxidative stress markers and some inflammatory markers Methodology: Two hundred and twelve participants were classified into four groups according to their fasting blood glucose level, glycosylated hemoglobin (HbA1c) and mini-mental state examination (MMSE) score...
April 9, 2017: Neurological Research
https://www.readbyqxmd.com/read/28387812/gene-based-association-studies-report-genetic-links-for-clinical-subtypes-of-frontotemporal-dementia
#18
Aniket Mishra, Raffaele Ferrari, Peter Heutink, John Hardy, Yolande Pijnenburg, Danielle Posthuma
Genome-wide association studies in frontotemporal dementia showed limited success in identifying associated loci. This is possibly due to small sample size, allelic heterogeneity, small effect sizes of single genetic variants, and the necessity to statistically correct for testing millions of genetic variants. To overcome these issues, we performed gene-based association studies on 3348 clinically identified frontotemporal dementia cases and 9390 controls (discovery, replication and joint-cohort analyses). We report association of APOE and TOMM40 with behavioural variant frontotemporal dementia, and ARHGAP35 and SERPINA1 with progressive non-fluent aphasia...
April 5, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28383687/neuropsychiatric-symptoms-in-alzheimer-s-disease-associations-with-caregiver-burden-and-treatment-outcomes
#19
Chao Tung Chen, Chiung-Chih Chang, Wen-Neng Chang, Nai-Wen Tsai, Chih-Cheng Huang, Ya-Ting Chang, Hung-Chen Wang, Chia-Te Kung, Yu-Jih Su, Wei-Che Lin, Ben-Chung Cheng, Chih-Min Su, Sheng-Yuan Hsiao, Che-Wei Hsu, Cheng-Hsien Lu
Background: Caregivers play a major role in providing care for patients with Alzheimer's disease (AD) and are themselves at higher risk of health comorbidities. Aim: To address the impact of neuropsychiatric symptoms of patients in different stages of AD on their caregivers' burden. Design: This prospective study enrolled 260 AD patients with clinical dementia rating of 0.5, 1, and 2 at a tertiary medical center. Methods: All patients were tested using the Mini-Mental State Examination (MMSE), the Cognitive Abilities Screening Instrument (CASI), the Neuropsychiatric Inventory (NPI), and the Clinical Dementia Rating scale (CDR)...
April 5, 2017: QJM: Monthly Journal of the Association of Physicians
https://www.readbyqxmd.com/read/28381420/continuum-beliefs-and-stigmatising-beliefs-about-mental-illness-results-from-an-asian-community-survey
#20
Mythily Subramaniam, Edimansyah Abdin, Louisa Picco, Shazana Shahwan, Anitha Jeyagurunathan, Janhavi Ajit Vaingankar, Siow Ann Chong
OBJECTIVES: To establish the prevalence and correlates of continuum beliefs for five mental illnesses in a multiethnic population and to explore its association with stigma. DESIGN: A community-based, cross-sectional study. SETTING: A national study in a multiethnic Asian country. PARTICIPANTS: A comprehensive study of 3006 Singapore residents (Singapore citizens and permanent residents) aged 18-65 years who were living in Singapore at the time of the survey...
April 5, 2017: BMJ Open
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