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https://www.readbyqxmd.com/read/29143483/the-impact-of-mental-health-comorbidities-on-adherence-to-buprenorphine-a-claims-based-analysis
#1
Megan Litz, Douglas Leslie
BACKGROUND AND OBJECTIVES: Previous research has been inconclusive about whether opioid-dependent patients with psychiatric comorbidities have shorter treatment retention and higher relapse rates. This study aims to evaluate the impact of mental health comorbidities on adherence to buprenorphine using a large, national health insurance claims data base. METHODS: We used MarketScan® data from 2012 to 2014 to perform this analysis. Inclusion criteria included all patients with an opioid use disorder-related ICD-9 code who had been prescribed buprenorphine (n = 2947)...
November 16, 2017: American Journal on Addictions
https://www.readbyqxmd.com/read/29142140/imaging-and-csf-analyses-effectively-distinguish-cjd-from-its-mimics
#2
Peter Rudge, Harpreet Hyare, Alison Green, John Collinge, Simon Mead
OBJECTIVE: To review clinical and investigation findings in patients referred to a specialist prion clinic who were suspected to have sporadic Creutzfeldt-Jakob disease (sCJD) and yet were found to have an alternative final diagnosis. METHODS: Review the clinical findings and investigations in 214 patients enrolled into the UK National Prion Monitoring Cohort Study between October 2008 and November 2015 who had postmortem confirmed sCJD and compare these features with 50 patients referred over the same period who had an alternative final diagnosis (CJD mimics)...
November 15, 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/29137897/elevated-serum-levels-of-endothelin-1-in-patients-with-chronic-inflammatory-demyelinating-polyneuropathy
#3
Chun-Wei Chang, Hsiu-Chuan Wu, Rong-Kuo Lyu, Yen-Shi Lo, Chiung-Mei Chen, Long-Sun Ro, Hong-Shiu Chang, Ching-Chang Huang, Ming-Feng Liao, Yih-Ru Wu, Hong-Chou Kuo, Chun-Che Chu, Yi-Ching Weng, Pei-Tsi Wei, Ai-Lun Lo, Kuo-Hsuan Chang
INTRODUCTION: A Chronic inflammatory demyelinating polyneuropathy (CIDP) is an acquired, or non-hereditary, chronic demyelinating neuropathy. Currently, there is no reliable molecular biomarker that can identify CIDP patients as well as monitor disease severity. MATERIAL AND METHODS: We measured serum levels of endothelin-1 (ET-1), a factors involved in vasoconstrictive, inflammatory and nerve regenerative processes, in the serum of 20 CIDP, 21 acute inflammatory demyelinating polyneuropathy (AIDP), 37 multiple sclerosis (MS), and 10 Alzheimer's disease (AD) patients, as well as 26 healthy control (HC) subjects...
November 11, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/29134122/platelet-phosphorylated-tdp-43-an-exploratory-study-for-a-peripheral-surrogate-biomarker-development-for-alzheimer-s-disease
#4
Rodger Wilhite, Jessica M Sage, Abdurrahman Bouzid, Tyler Primavera, Abdulbaki Agbas
Aim: Alzheimer's disease (AD) and other forms of dementia create a noncurable disease population in world's societies. To develop a blood-based biomarker is important so that the remedial or disease-altering therapeutic intervention for AD patients would be available at the early stage. Materials & methods: TDP-43 levels were analyzed in postmortem brain tissue and platelets of AD and control subjects. Results: We observed an increased TDP-43 (<60%) in postmortem AD brain regions and similar trends were also observed in patient's platelets...
November 2017: Future Science OA
https://www.readbyqxmd.com/read/29125485/cognitive-variability-predicts-incident-alzheimer-s-disease-and-mild-cognitive-impairment-comparable-to-a-cerebrospinal-fluid-biomarker
#5
Carey E Gleason, Derek Norton, Eric D Anderson, Michelle Wahoske, Danielle T Washington, Emre Umucu, Rebecca L Koscik, N Maritza Dowling, Sterling C Johnson, Cynthia M Carlsson, Sanjay Asthana
BACKGROUND: Alzheimer's disease (AD) biomarkers are emerging as critically important for disease detection and monitoring. Most biomarkers are obtained through invasive, resource-intense procedures. A cognitive marker, intra-individual cognitive variability (IICV) may provide an alternative or adjunct marker of disease risk for individuals unable or disinclined to undergo lumbar puncture. OBJECTIVE: To contrast risk of incident AD and mild cognitive impairment (MCI) associated with IICV to risk associated with well-established biomarkers: cerebrospinal fluid (CSF) phosphorylated tau protein (p-tau181) and amyloid-β 42 (Aβ42) peptide...
November 8, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29125327/obstructive-sleep-apnea-severity-affects-amyloid-burden-in-cognitively-normal-elderly-a-longitudinal-study
#6
Ram A Sharma, Andrew W Varga, Omonigho M Bubu, Elizabeth Pirraglia, Korey Kam, Ankit Parekh, Margaret Wohlleber, Margo D Miller, Andreia Andrade, Clifton Lewis, Samuel Tweardy, Maja Buj, Po L Yau, Reem Sadda, Lisa Mosconi, Yi Li, Tracy Butler, Lidia Glodzik, Els Fieremans, James S Babb, Kaj Blennow, Henrik Zetterberg, Shou E Lu, Sandra G Badia, Sergio Romero, Ivana Rosenzweig, Nadia Gosselin, Girardin Jean-Louis, David M Rapoport, Mony J de Leon, Indu Ayappa, Ricardo S Osorio
RATIONALE: Recent evidence suggests that Obstructive Sleep Apnea (OSA) may be a risk factor for developing Mild Cognitive Impairment and Alzheimer's disease. However, how sleep apnea affects longitudinal risk for Alzheimer's disease is less well understood. OBJECTIVE: To test the hypothesis that there is an association between severity of OSA and longitudinal increase in amyloid burden in cognitively normal elderly. METHODS: Data was derived from a 2-year prospective longitudinal study that sampled community-dwelling healthy cognitively normal elderly...
November 10, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29121998/circulating-brain-enriched-micrornas-as-novel-biomarkers-for-detection-and-differentiation-of-neurodegenerative-diseases
#7
Kira S Sheinerman, Jon B Toledo, Vladimir G Tsivinsky, David Irwin, Murray Grossman, Daniel Weintraub, Howard I Hurtig, Alice Chen-Plotkin, David A Wolk, Leo F McCluskey, Lauren B Elman, John Q Trojanowski, Samuil R Umansky
BACKGROUND: Minimally invasive specific biomarkers of neurodegenerative diseases (NDs) would facilitate patient selection and disease progression monitoring. We describe the assessment of circulating brain-enriched microRNAs as potential biomarkers for Alzheimer's disease (AD), frontotemporal dementia (FTD), Parkinson's disease (PD), and amyotrophic lateral sclerosis (ALS). METHODS: In this case-control study, the plasma samples were collected from 250 research participants with a clinical diagnosis of AD, FTD, PD, and ALS, as well as from age- and sex-matched control subjects (n = 50 for each group), recruited from 2003 to 2015 at the University of Pennsylvania Health System, including the Alzheimer's Disease Center, the Parkinson's Disease and Movement Disorders Center, the Frontotemporal Degeneration Center, and the Amyotrophic Lateral Sclerosis Clinic...
November 9, 2017: Alzheimer's Research & Therapy
https://www.readbyqxmd.com/read/29114370/taming-alzheimer-s-disease-new-perspectives-newer-horizons
#8
REVIEW
Debraj Sen, Anusree Majumder, Vijinder Arora, Neha Yadu, Ritwik Chakrabarti
Alzheimer's disease (AD) is the leading cause of dementia. However, current therapies do not prevent progression of the disease. New research into the pathogenesis of the disease has brought about a greater understanding of the "amyloid cascade" and associated receptor abnormalities, the role of genetic factors, and revealed that the disease process commences 10 to 20 years prior to the appearance of clinical signs. This greater understanding of the disease has prompted development of novel disease-modifying therapies (DMTs) which may prevent onset or delay progression of the disease...
July 6, 2017: Iranian Journal of Neurology
https://www.readbyqxmd.com/read/29114218/periodontitis-microbiomes-and-their-role-in-alzheimer-s-disease
#9
Anna B Pritchard, StJohn Crean, Ingar Olsen, Sim K Singhrao
As far back as the eighteenth and early nineteenth centuries, microbial infections were responsible for vast numbers of deaths. The trend reversed with the introduction of antibiotics coinciding with longer life. Increased life expectancy however, accompanied the emergence of age related chronic inflammatory states including the sporadic form of Alzheimer's disease (AD). Taken together, the true challenge of retaining health into later years of life now appears to lie in delaying and/or preventing the progression of chronic inflammatory diseases, through identifying and influencing modifiable risk factors...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/29113468/hippocampal-cholinergic-neurostimulating-peptide-as-a-possible-modulating-factor-against-glutamatergic-neuronal-disability-by-amyloid-oligomers
#10
Toyohiro Sato, Yoshiaki Ohi, Daisuke Kato, Masayuki Mizuno, Hiroshi Takase, Tetsuko Kanamori, Cesar V Borlongan, Akira Haji, Noriyuki Matsukawa
Despite having pathological changes in the brain associated with Alzheimer's disease (AD), some patients have preserved cognitive function. A recent epidemiological study has shown that diet, exercise, cognitive training, and vascular risk monitoring interventions may reduce cognitive decline in at-risk elderly people in the general population. However, the details of molecular mechanisms underlying this cognitive function preservation are still unknown. Previous reports have demonstrated that enriched environments prevent the impairment of hippocampal long-term potentiation (LTP) through β2-adrenergic signals, when LTP is incompletely suppressed by synthetic amyloid-β (Aβ) oligomers...
September 2017: Cell Transplantation
https://www.readbyqxmd.com/read/29109280/oxalate-curcumin-based-probe-for-micro-and-macroimaging-of-reactive-oxygen-species-in-alzheimer-s-disease
#11
Jian Yang, Xueli Zhang, Peng Yuan, Jing Yang, Yungen Xu, Jaime Grutzendler, Yihan Shao, Anna Moore, Chongzhao Ran
Alzheimer's disease (AD) is an irreversible neurodegenerative disorder that has a progression that is closely associated with oxidative stress. It has long been speculated that the reactive oxygen species (ROS) level in AD brains is much higher than that in healthy brains. However, evidence from living beings is scarce. Inspired by the "chemistry of glow stick," we designed a near-IR fluorescence (NIRF) imaging probe, termed CRANAD-61, for sensing ROS to provide evidence at micro- and macrolevels. In CRANAD-61, an oxalate moiety was utilized to react with ROS and to consequentially produce wavelength shifting...
November 6, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29107091/the-hypothalamus-as-the-primary-brain-region-of-metabolic-abnormalities-in-app-ps1-transgenic-mouse-model-of-alzheimer-s-disease
#12
Hong Zheng, Qi Zhou, Yao Du, Chen Li, Pengtao Xu, Li Lin, Jian Xiao, Hongchang Gao
Alzheimer's disease (AD) is an amyloid-related neurodegenerative disorder and is also considered to be a metabolic disease. Thus, investigation of metabolic mechanisms of amyloid pathology progression is of substantial importance for the diagnosis, prevention and treatment of AD. In the present study, cognitive function and brain metabolism were explored in the transgenic APP/PS1 mouse model of amyloid pathology at different ages. Using an NMR-based metabolomic approach, we examined metabolic changes in six different brain regions of wild-type and APP/PS1 mice at 1, 5 and 10months of age...
October 26, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29103291/current-and-future-uses-of-transcranial-focused-ultrasound-in-neurosurgery
#13
David S Hersh, Howard M Eisenberg
Focused ultrasound (FUS) produces a region of high intensity at the focal zone of the beam but with minimal effects at adjacent areas, allowing the sonication of deep targets throughout the body. Despite early obstacles to transmitting ultrasound energy through the skull, recent advances in ultrasound technology, software, and real-time monitoring have resulted in a renewed interest in the clinical applications of transcranial FUS. Following extensive pre- clinical studies, ultrasound-induced thermal ablation has been approved by several countries for the treatment of essential tremor, Parkinson's disease, obsessive-compulsive disorder, depression, and neuropathic pain...
November 3, 2017: Journal of Neurosurgical Sciences
https://www.readbyqxmd.com/read/29103040/association-of-low-level-ozone-with-cognitive-decline-in-older-adults
#14
Ekaterina Galkina Cleary, Manuel Cifuentes, Georges Grinstein, Doug Brugge, Thomas B Shea
Increasing evidence points to an association of airborne pollutant exposure with respiratory, cardiovascular, and neurological pathology. We examined whether or not ground-level ozone or fine particulate matter ≤ 2.5 μm in diameter (PM2.5) was associated with accelerated cognitive decline. Using repeated measures mixed regression modeling, we analyzed cognitive performance of a geographically diverse sampling of individuals from the National Alzheimer's Coordinating Center between 2004-2008. Ambient air concentrations of ozone and PM2...
November 1, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29102244/an-uhplc-ms-ms-method-for-simultaneous-quantification-of-human-amyloid-beta-peptides-a%C3%AE-1-38-a%C3%AE-1-40-and-a%C3%AE-1-42-in-cerebrospinal-fluid-using-micro-elution-solid-phase-extraction
#15
Ping-Ping Lin, Wei-Li Chen, Fei Yuan, Lei Sheng, Yu-Jia Wu, Wei-Wei Zhang, Guo-Qing Li, Hong-Rong Xu, Xue-Ning Li
Amyloid beta (Aβ) peptides in cerebrospinal fluid are extensively estimated for identification of Alzheimer's disease (AD) as diagnostic biomarkers. Unfortunately, their pervasive application is hampered by interference from Aβ propensity of self-aggregation, nonspecifically bind to surfaces and matrix proteins, and by lack of quantitive standardization. Here we report on an alternative Ultra-high performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) method for simultaneous measurement of human amyloid beta peptides Aβ1-38, Aβ1-40 and Aβ1-42 in cerebrospinal fluid (CSF) using micro-elution solid phase extraction (SPE)...
October 23, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/29093372/-development-of-spect-probes-for-in-vivo-imaging-of-%C3%AE-amyloid-and-tau-aggregates-in-the-alzheimer-s-disease-brain
#16
Hiroyuki Watanabe
 Alzheimer's disease (AD) is the most common form of irreversible dementia among elderly people. In the postmortem brains of AD patients, the deposition of senile plaques composed of β-amyloid (Aβ) peptides and neurofibrillary tangles composed of highly phosphorylated tau proteins are two neuropathological hallmarks. Therefore, the in vivo imaging of Aβ and tau aggregates with positron-emission tomography (PET) or single-photon emission computed tomography (SPECT) would promote drug development, early diagnosis, and monitoring of the disease status in AD patients...
2017: Yakugaku Zasshi: Journal of the Pharmaceutical Society of Japan
https://www.readbyqxmd.com/read/29089884/systemic-and-disease-specific-risk-factors-in-vascular-dementia-diagnosis-and-prevention
#17
Efraim Jaul, Oded Meiron
In order to prevent the onset of vascular dementia (VaD) in aging individuals, it is critical to detect clinically relevant vascular and systemic pathophysiological changes to signal the onset of its preceding prodromal stages. Identifying behavioral and neurobiological markers that are highly sensitive to VaD classification vs. other dementias is likely to assist in developing novel preventive treatment strategies that could delay the onset of disruptive psychomotor symptoms, decrease hospitalizations, and increase the quality of life in clinically-high-risk aging individuals...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/29089874/mistakes-too-few-to-mention-impaired-self-conscious-emotional-processing-of-errors-in-the-behavioral-variant-of-frontotemporal-dementia
#18
Carole S Scherling, Jessica Zakrzewski, Samir Datta, Robert W Levenson, Arthur P Shimamura, Virginia E Sturm, Bruce L Miller, Howard J Rosen
Anosognosia, or lack of awareness of one's deficits, is a core feature of the behavioral variant of frontotemporal dementia (bvFTD). We hypothesized that this deficit has its origins in failed emotional processing of errors. We studied autonomic and facial emotional reactivity to errors in patients with bvFTD (n = 17), Alzheimer's disease (AD, n = 20), and healthy controls (HC, n = 35) during performance of a timed two-alternative-choice button press task. Performance-related behavioral responses to errors were quantified using rates of error correction and post-error slowing of reaction times...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/29089568/alzheimer-s-disease-and-cigarette-smoke-components-effects-of-nicotine-pahs-and-cd-ii-cr-iii-pb-ii-pb-iv-ions-on-amyloid-%C3%AE-peptide-aggregation
#19
Cecilia Wallin, Sabrina B Sholts, Nicklas Österlund, Jinghui Luo, Jüri Jarvet, Per M Roos, Leopold Ilag, Astrid Gräslund, Sebastian K T S Wärmländer
Cigarette smoking is a significant risk factor for Alzheimer's disease (AD), which is associated with extracellular brain deposits of amyloid plaques containing aggregated amyloid-β (Aβ) peptides. Aβ aggregation occurs via multiple pathways that can be influenced by various compounds. Here, we used AFM imaging and NMR, fluorescence, and mass spectrometry to monitor in vitro how Aβ aggregation is affected by the cigarette-related compounds nicotine, polycyclic aromatic hydrocarbons (PAHs) with one to five aromatic rings, and the metal ions Cd(II), Cr(III), Pb(II), and Pb(IV)...
October 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29079970/prosaccade-and-antisaccade-paradigms-in-persons-with-alzheimer-s-disease-a-meta-analytic-review
#20
REVIEW
Naomi Kahana Levy, Michal Lavidor, Eli Vakil
Persons with Mild Cognitive Impairment (MCI) are at high Alzheimer's Disease (AD) risk but the development of sensitive measures to assess subtle cognitive decline in this population poses a major challenge for clinicians and researchers. Eye movement monitoring is a non-invasive, sensitive way to assess subtle cognitive processes in clinical populations. We conducted a critical review and a meta-analysis of the literature on pro and antisaccade paradigm in AD/MCI. The meta-analysis included 20 studies, all of which used the prosaccade paradigm and 13 of which studied the antisaccade paradigm as well...
October 27, 2017: Neuropsychology Review
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