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https://www.readbyqxmd.com/read/28527212/apolipoprotein-e4-gender-body-mass-index-inflammation-insulin-resistance-and-air-pollution-interactions-recipe-for-alzheimer-s-disease-development-in-mexico-city-young-females
#1
Lilian Calderón-Garcidueñas, Suzanne M de la Monte
Given the epidemiological trends of increasing Alzheimer's disease (AD) and growing evidence that exposure and lifestyle factors contribute to AD risk and pathogenesis, attention should be paid to variables such as air pollution, in order to reduce rates of cognitive decline and dementia. Exposure to fine particulate matter (PM2.5) and ozone (O3) above the US EPA standards is associated with AD risk. Mexico City children experienced pre- and postnatal high exposures to PM2.5, O3, combustion-derived iron-rich nanoparticles, metals, polycyclic aromatic hydrocarbons, and endotoxins...
May 17, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28527083/shared-mechanisms-of-epilepsy-migraine-and-affective-disorders
#2
Davide Zarcone, Simona Corbetta
Since the nineteenth century several clinical features have been observed in common between migraine and epilepsy (such as episodic attacks, triggering factors, presence of aura, frequent familiarity), but only in recent years researchers have really engaged in finding a common pathogenic mechanism. From studies of disease incidence, we understand how either migraine among patients with epilepsy or epilepsy among migraine patients are more frequent than in the general population. This association may result from a direct causality, by the same environmental risk factors and/or by a common genetic susceptibility...
May 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28526925/polyphenolic-extract-attenuates-fatty-acid-induced-steatosis-and-oxidative-stress-in-hepatic-and-endothelial-cells
#3
Laura Vergani, Giulia Vecchione, Francesca Baldini, Elena Grasselli, Adriana Voci, Piero Portincasa, Pier Francesco Ferrari, Bahar Aliakbarian, Alessandro A Casazza, Patrizia Perego
PURPOSE: Phenolic compounds (PC) of virgin olive oil exert several biochemical and pharmacological beneficial effects. Some dietary PC seem to prevent/improve obesity and metabolic-related disorders such as non-alcoholic fatty liver disease (NAFLD). We investigated the possible effects of PC extracted from olive pomace (PEOP) and of the main single molecules present in the extract (tyrosol, apigenin, oleuropein, p-coumaric and caffeic acid) in protecting hepatocytes and endothelial cells against triglyceride accumulation and oxidative stress...
May 19, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28526528/gluten-degrading-bacteria-are-present-in-the-human-small-intestine-of-healthy-volunteers-and-celiac-patients
#4
Alexandra R Herrán, Jénifer Pérez-Andrés, Alberto Caminero, Esther Nistal, Santiago Vivas, José María Ruiz de Morales, Javier Casqueiro
Gluten is the only known environmental factor that triggers celiac disease. Several studies have described an imbalance between the intestinal microbiota of different individuals based on diagnoses. Moreover, recent studies have suggested that human bacteria may play an important role in gluten hydrolysis. However, there has been no research focusing on the small intestine. This study aimed to characterize the adult small intestine microbiota possibly implicated in gluten hydrolysis. Duodenal biopsies from different diagnosed individuals were cultured in a gluten-containing medium, and the grown microbiota was analyzed by culture dependent/independent methods...
May 16, 2017: Research in Microbiology
https://www.readbyqxmd.com/read/28526043/management-of-rare-diseases-of-the-head-neck-and-teeth-results-of-a-french-population-based-prospective-8-year-study
#5
Lisa Friedlander, Rémy Choquet, Eva Galliani, Myriam de Chalendar, Claude Messiaen, Amélie Ruel, Marie-Paule Vazquez, Ariane Berdal, Corinne Alberti, Muriel De La Dure Molla
BACKGROUND: In the last ten years, national rare disease networks have been established in France, including national centres of expertise and regional ones, with storage of patient data in a bioinformatics tool. The aim was to contribute to the development and evaluation of health strategies to improve the management of patients with rare diseases. The objective of this study has been to provide the first national-level data concerning rare diseases of the head, neck and teeth and to assess the balance between demand and supply of care in France...
May 19, 2017: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/28525574/a-schizophrenia-related-deletion-leads-to-kcnq2-dependent-abnormal-dopaminergic-modulation-of-prefrontal-cortical-interneuron-activity
#6
Se Joon Choi, Jun Mukai, Mirna Kvajo, Bin Xu, Anastasia Diamantopoulou, Pothitos M Pitychoutis, Bin Gou, Joseph A Gogos, Hui Zhang
Altered prefrontal cortex function is implicated in schizophrenia (SCZ) pathophysiology and could arise from imbalance between excitation and inhibition (E/I) in local circuits. It remains unclear whether and how such imbalances relate to genetic etiologies. We used a mouse model of the SCZ-predisposing 22q11.2 deletion (Df(16)A+/- mice) to evaluate how this genetic lesion affects the excitability of layer V prefrontal pyramidal neurons and its modulation by dopamine (DA). Df(16)A+/- mice have normal balance between E/I at baseline but are unable to maintain it upon dopaminergic challenge...
May 19, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/28524769/machine-learning-for-epigenetics-and-future-medical-applications
#7
Lawrence B Holder, M Muksitul Haque, Michael K Skinner
Understanding epigenetic processes holds immense promise for medical applications. Advances in Machine Learning (ML) are critical to realize this promise. Previous studies used epigenetic data sets associated with the germline transmission of epigenetic transgenerational inheritance of disease and novel ML approaches to predict genome-wide locations of critical epimutations. A combination of Active Learning (ACL) and Imbalanced Class Learning (ICL) was used to address past problems with ML to develop a more efficient feature selection process and address the imbalance problem in all genomic data sets...
May 19, 2017: Epigenetics: Official Journal of the DNA Methylation Society
https://www.readbyqxmd.com/read/28524744/sphingosine-1-phosphate-signaling-in-bone-remodeling-multifaceted-roles-and-therapeutic-potential
#8
Anastasia Meshcheryakova, Diana Mechtcheriakova, Peter Pietschmann
Sphingolipids belong to a complex class of lipid molecules that are crucially involved in the regulation of important biological processes including proliferation, migration and apoptosis. Given the significant progress made in understanding the sphingolipid pathobiology of several diseases, sphingolipid-related checkpoints emerge as attractive targets. Recent data indicate the multifaceted contribution of the sphingolipid machinery to osteoclast - osteoblast crosstalk, representing one of the pivotal interactions underlying bone homeostasis...
May 19, 2017: Expert Opinion on Therapeutic Targets
https://www.readbyqxmd.com/read/28524654/polyethylenimine-insulativity-dominant-charge-injection-balance-for-highly-efficient-inverted-quantum-dot-light-emitting-diodes
#9
Ke Ding, Hongting Chen, Lianwei Fan, Bo Wang, Zhi Huang, Shaoqing Zhuang, Bin Hu, Lei Wang
Quantum dot light emitting diode (QLED) with an inverted architecture always suffers charge injection imbalance and severe quantum dot charging, which degrades device performance. Blocking excess injected electrons into quantum dots (QDs) is crucial for efficient inverted QLEDs. It is found that Polyethylenimine (PEI) has two opposite effect on electron injection, one is blocking electron injection by its intrinsic insulativity and the other one is promoting electron injection by the reduced work function of ZnO/PEI...
May 19, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28524627/weight-loss-interventions-and-gut-microbiota-changes-in-overweight-and-obese-patients-a-systematic-review
#10
REVIEW
F B Seganfredo, C A Blume, M Moehlecke, A Giongo, D S Casagrande, J V N Spolidoro, A V Padoin, B D Schaan, C C Mottin
Imbalances in the gut microbiota, the bacteria that inhabit the intestines, are central to the pathogenesis of obesity. This systematic review assesses the association between the gut microbiota and weight loss in overweight/obese adults and its potential manipulation as a target for treating obesity. This review identified 43 studies using the keywords 'overweight' or 'obesity' and 'microbiota' and related terms; among these studies, 17 used dietary interventions, 11 used bariatric surgery and 15 used microbiota manipulation...
May 19, 2017: Obesity Reviews: An Official Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28524624/pulmonary-arterial-hypertension-progress-in-understanding-the-disease-and-prioritizing-strategies-for-drug-development
#11
REVIEW
P Ghataorhe, C J Rhodes, L Harbaum, M Attard, J Wharton, M R Wilkins
Pulmonary arterial hypertension (PAH), at one time a largely overlooked disease, is now the subject of intense study in many academic and biotech groups. The availability of new treatments has increased awareness of the condition. This in turn has driven a change in the demographics of PAH, with an increase in the mean age at diagnosis. The diagnosis of PAH in more elderly patients has highlighted the need for careful phenotyping of patients and for further studies to understand how best to manage pulmonary hypertension associated with, for example, left heart disease...
May 19, 2017: Journal of Internal Medicine
https://www.readbyqxmd.com/read/28524238/psychosocial-work-factors-and-low-back-pain-in-taxi-drivers
#12
Barbara J Burgel, Rami A Elshatarat
INTRODUCTION: Taxi drivers are at high risk for low back pain (LBP). AIM: Identify the association between psychosocial-work factors (Job strain, Iso-strain, effort-reward imbalance [ERI], unfairness, and mental exertion) and LBP in taxi drivers. METHODS: A cross-sectional study was done with 129 taxi drivers. RESULTS: Approximately 63% reported LBP in the prior 12 months. Chi square or t-test analyses identified the associations between demographic, work, health, and psychosocial work factors, and self-report of LBP in the prior 12 months...
May 19, 2017: American Journal of Industrial Medicine
https://www.readbyqxmd.com/read/28523536/microenvironment-of-liver-regeneration-in-liver-cancer
#13
Han-Min Li, Zhi-Hua Ye
The occurrence and development of liver cancer are essentially the most serious outcomes of uncontrolled liver regeneration. The progression of liver cancer is inevitably related to the abnormal microenvironment of liver regeneration. The deterioration observed in the microenvironment of liver regeneration is a necessary condition for the occurrence, development and metastasis of cancer. Therefore, the use of a technique to prevent and treat liver cancer via changes in the microenvironment of liver regeneration is a novel strategy...
May 18, 2017: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/28523521/in-vitro-and-in-vivo-characterization-of-a-novel-h1n1-2009-influenza-virus-reassortant-with-an-ns-gene-from-a-highly-pathogenic-h5n1-virus-isolated-from-a-human
#14
Shengbing Liu, Liangyan Zhang, Zhidong Yao, Li Xing, Kun Liu
The triple-reassortant H1N1/2009 influenza A virus, which caused the first influenza pandemic of the 21(st) century, is generally associated with mild disease and a relatively low mortality rate comparable to that of seasonal influenza virus outbreaks. There is a growing concern about the potential for reassortment between the low-mortality H1N1/2009 and other high-mortality influenza viruses. Here, we describe and characterize a novel reassortant H1N1/2009 influenza virus, isolated from a human sample, that contained an NS gene from a highly pathogenic H5N1 virus...
May 18, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28523372/dietary-eicosapentaenoic-acid-normalizes-hippocampal-omega-3-and-6-polyunsaturated-fatty-acid-profile-attenuates-glial-activation-and-regulates-bdnf-function-in-a-rodent-model-of-neuroinflammation-induced-by-central-interleukin-1%C3%AE-administration
#15
Yilong Dong, Min Xu, Allan V Kalueff, Cai Song
PURPOSE: Interleukin (IL)-1β can activate glial cells to trigger neuroinflammation and neurodegeneration. Lower omega (n)-3 polyunsaturated fatty acids (PUFAs) and lower n-3/n-6 PUFA ratios occur in the brain of patients with Alzheimer's disease (AD). We have previously reported that an n-3 PUFA, eicosapentaenoic acid (EPA), can improve memory and attenuate neurodegeneration-like changes in animal models of AD. However, whether and how EPA modulates glial cell activity and functions remains unclear...
May 18, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28523278/chondrocyte-specific-knockout-of-tsc-1-leads-to-congenital-spinal-deformity-in-mice
#16
Cheng Yang, Yuhui Chen, Zhen Li, He Cao, Keming Chen, Pinglin Lai, Bo Yan, Bin Huang, Jiajun Tang, Shicai Fan, Daozhang Cai, Dadi Jin, Xiaochun Bai, Rongping Zhou
Congenital spinal deformity is the most severe clinical orthopedic issue worldwide. Among all the pathological processes of congenital spinal deformity, the imbalance of endochondral ossification is considered to be the most important developmental cause of spinal dysplasia. We established chondrocyte-specific TSC-1 knockout (KO) mice to overactivate the energy metabolic component, mammalian target of rapamycin complex 1 (mTORC1), and measured the spinal development by general, imaging, histological, and Western-blot assessments...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28522986/retinal-ganglion-cells-and-circadian-rhythms-in-alzheimer-s-disease-parkinson-s-disease-and-beyond
#17
REVIEW
Chiara La Morgia, Fred N Ross-Cisneros, Alfredo A Sadun, Valerio Carelli
There is increasing awareness on the role played by circadian rhythm abnormalities in neurodegenerative disorders such as Alzheimer's disease (AD) and Parkinson's disease (PD). The characterization of the circadian dysfunction parallels the mounting evidence that the hallmarks of neurodegeneration also affect the retina and frequently lead to loss of retinal ganglion cells (RGCs) and to different degrees of optic neuropathy. In the RGC population, there is the subgroup of cells intrinsically photosensitive and expressing the photopigment melanopsin [melanopsin-containing retinal ganglion cells (mRGCs)], which are now well known to drive the entrainment of circadian rhythms to the light-dark cycles...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28522406/therapeutic-effect-of-cryptotanshinone-on-experimental-rheumatoid-arthritis-through-downregulating-p300-mediated-stat3-acetylation
#18
Ying Wang, Chun Zhou, Hui Gao, Cuixian Li, Dong Li, Peiqing Liu, Min Huang, Xiaoyan Shen, Liang Liu
BACKGROUND AND PURPOSE: The balance between T helper 17 (Th17) cells and regulatory T (Treg) cells, plays a critical role in rheumatoid arthritis (RA). The differentiation of Th17 cells requires the activation of STAT3, which determines the balance of Th17/Treg. Here, we investigated the therapeutic effect of Cryptotanshinone (CTS) on collagen induced mouse arthritis and explored the underlying mechanisms. EXPERIMENTAL APPROACH: Arthritis was induced in DBA/1 mice with bovine collagen type II and complete Freund's adjuvant...
May 15, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28522286/increased-proportions-of-functionally-impaired-regulatory-t-cell-subsets-in-systemic-sclerosis
#19
Emese Ugor, Diána Simon, Giovanni Almanzar, Ramóna Pap, József Najbauer, Péter Németh, Péter Balogh, Martina Prelog, László Czirják, Tímea Berki
Treg abnormalities have been implicated in the pathogenesis of systemic sclerosis (SSc). Treg subpopulations and their cytokines, IL-10 and TGF-β in the peripheral blood of early stage SSc patients were investigated. We hypothesized that epigenetically regulated methylation of the FOXP3 promoter and enhancer regions are altered in Tregs of SSc patients, which might be involved in the T cell imbalance. CD4+CD25+Foxp3+CD127- Treg cells were significantly elevated in patients with diffuse cutaneous SSc and in patients with anti-Scl-70/RNA-Pol-III autoantibody positivity and with lung fibrosis...
May 15, 2017: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/28521866/neovascular-deterioration-impaired-nadph-oxidase-and-inflammatory-cytokine-expression-in-adipose-derived-multipotent-cells-from-subjects-with-metabolic-syndrome
#20
Wilfredo Oliva-Olivera, Said Lhamyani, Leticia Coín-Aragüez, Daniel Castellano-Castillo, Juan Alcaide-Torres, Elena María Yubero-Serrano, Rajaa El Bekay, Francisco José Tinahones
OBJECTIVE: Expansion of adipose tissue depends on the growth of its vascular network and it has been shown that adipose tissue dysfunction in obese subjects with the metabolic syndrome is associated with decreased angiogenesis. However, some subjects with a high body mass index do not develop metabolic abnormalities associated with obesity. In this study we examined the neovascular properties, expression levels of proteins involved in cellular redox balance and inflammatory cytokines in adipose-derived multipotent mesenchymal cells (ASCs) of subjects with different metabolic profiles...
June 2017: Metabolism: Clinical and Experimental
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