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https://www.readbyqxmd.com/read/29779267/%C3%AE-synuclein-activates-innate-immunity-but-suppresses-interferon-%C3%AE-expression-in-murine-astrocytes
#1
Jintang Wang, Zheng Chen, Jeremy Walston, Peisong Gao, Maolong Gao, Sean X Leng
Glial activation and neuroinflammation contribute to pathogenesis of neurodegenerative diseases, linked to neuron loss and dysfunction. α-Synuclein (α-syn), as a metabolite of neuron, can induce microglia activation to trigger innate immune response. However, whether α-syn, as well as its mutants (A53T, A30P and E46K), induces astrocyte activation and inflammatory response is not fully elucidated. In this study, we used A53T mutant and wildtype α-syns to stimulate primary astrocytes in dose- and time-dependent manners (0...
May 19, 2018: European Journal of Neuroscience
https://www.readbyqxmd.com/read/29779228/prevalence-and-clinical-profile-of-rotavirus-a-infection-among-diarrheal-children-and-phylogenetic-analysis-with-vaccine-strains-in-chengdu-west-china-2009-2014
#2
Yu-Hang Chen, Fan Chen, Tao Zhou, Jia-Yi Chen, Tian-Li Zheng, Xin Xu, Xiao-Fang Pei
OBJECTIVES: Rotaviruses are the most common cause of severe diarrheal disease in young children. However, little is known about the epidemiological and clinical profile of rotavirus A (RVA) in diarrheal children or the efficacy of Lanzhou lamb rotavirus vaccine (LLR) in Chengdu, China. This study aimed to determine the prevalence and clinical profile of RVA in diarrheal children and provide gene analysis information for RVA vaccination programs. METHODS: 1121 fecal samples were collected from outpatient children with diarrhea between 2009 and 2014...
May 19, 2018: Tropical Medicine & International Health: TM & IH
https://www.readbyqxmd.com/read/29779214/cyanidin-3-glucoside-inhibits-inflammatory-activities-in-human-fibroblast-like-synoviocytes-and-in-mice-with-collagen-induced-arthritis
#3
Yan Sun, Lingling Li
Rheumatoid arthritis (RA) is a chronic autoimmune disease characterized by joint tissue inflammation. Cyanidin-3-glucoside (C3G) is a major component in the flavonoid family and has shown anti-inflammatory, anti-oxidant and anti-tumor activity. In this study, we investigated the effects of C3G on lipopolysaccharides (LPS)-induced inflammation on human rheumatoid fibroblast-like synoviocytes (FLS) and on collagen-induced arthritis (CIA) mice model. We treated FLS with C3G followed by LPS induction, the expressions of tumor necrosis factor alpha (TNF-α), interleukin 1 beta (IL-1β) and IL-6 and the activation of nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) and mitogen-activated protein kinase (MAPK) signaling pathway were analyzed...
May 19, 2018: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/29779213/differential-toxicity-of-tdp-43-isoforms-depends-on-their-sub-mitochondrial-localization-in-neuronal-cells
#4
Illari Salvatori, Alberto Ferri, Silvia Scaricamazza, Ilaria Giovannelli, Alessia Serrano, Simona Rossi, Nadia D'Ambrosi, Mauro Cozzolino, Andrea Di Giulio, Sandra Moreno, Cristiana Valle, Maria Teresa Carrì
TAR DNA binding protein 43 (TDP-43) is an RNA binding protein and a major component of protein aggregates found in Amyotrophic Lateral Sclerosis and several other neurodegenerative diseases. TDP-43 exists as a full length protein and as two shorter forms of 25 and 35 kDa. Full length mutant TDP-43s found in ALS patients re-localize from the nucleus to the cytoplasm and in part to mitochondria, where they exert a toxic role associated with neurodegeneration. However, induction of mitochondrial damage by TDP-43 fragments is yet to be clarified...
May 20, 2018: Journal of Neurochemistry
https://www.readbyqxmd.com/read/29779175/anthocyanins-improve-hippocampus-dependent-memory-function-and-prevent-neurodegeneration-via-jnk-akt-gsk3%C3%AE-signaling-in-lps-treated-adult-mice
#5
Muhammad Sohail Khan, Tahir Ali, Min Woo Kim, Myeung Hoon Jo, Jong Il Chung, Myeong Ok Kim
Microglia plays a critical role in the brain and protects neuronal cells from toxins. However, over-activation of microglia leads to deleterious effects. Lipopolysaccharide (LPS) has been reported to affect neuronal cells via activation of microglia as well as directly to initiate neuroinflammation. In the present study, we evaluated the anti-inflammatory and anti-oxidative effect of anthocyanins against LPS-induced neurotoxicity in an animal model and in cell cultures. Intraperitoneal injections of LPS (250 μg/kg/day for 1 week) induce ROS production and promote neuroinflammation and neurodegeneration which ultimately leads to memory impairment...
May 19, 2018: Molecular Neurobiology
https://www.readbyqxmd.com/read/29779164/update-on-endothelin-receptor-antagonists-in-hypertension
#6
REVIEW
Michel Burnier
To review the most recent data on the development of endothelin receptor antagonists (ERAs) for the treatment of hypertension and the management of diabetic nephropathy RECENT FINDINGS: Recent reviews and meta-analyses of experimental and clinical data obtained with ERAs confirmed that endothelin receptor blockade is associated with significant decreases in blood pressure in essential hypertension but also in resistant hypertension. In addition, in patients with diabetic nephropathy, ERAs induce significant 30-40% decreases in albuminuria when administered on top of blockers of the renin-angiotensin system...
May 19, 2018: Current Hypertension Reports
https://www.readbyqxmd.com/read/29779156/adolescent-isolation-rearing-produces-a-prepulse-inhibition-deficit-correlated-with-expression-of-the-nmda-glun1-subunit-in-the-nucleus-accumbens
#7
Megan L Fitzgerald, Virginia M Pickel
Adolescence is a transition period during which social interaction is necessary for normal brain and behavior development. Severely abnormal social interactions during adolescence can increase the incidence of lifelong psychiatric disease. Decreased prepulse inhibition (PPI) is a quantifiable hallmark of some psychiatric illnesses in humans and can be elicited in rodents by isolation rearing throughout the adolescent transition period. PPI is a measure of sensorimotor gating in which the nucleus accumbens (Acb) is crucially involved...
May 19, 2018: Brain Structure & Function
https://www.readbyqxmd.com/read/29779126/animal-models-of-chronic-migraine
#8
REVIEW
Tse-Ming Chou, Shih-Pin Chen
PURPOSE OF REVIEW: Chronic migraine (CM) is a recalcitrant subtype of migraine which causes high degrees of disability, poor treatment responses, and frequent recurrences in sufferers. However, the pathophysiological mechanisms underlying the development and chronification of migraine attacks remain incompletely understood. A validated animal model could help to decipher the pathogenic mechanism of the disease, facilitating the development of possible therapeutic strategies for CM. In this review, we aimed to summarize current animal models of CM and discuss the validity of these models...
May 19, 2018: Current Pain and Headache Reports
https://www.readbyqxmd.com/read/29779083/identifying-nonalcoholic-fatty-liver-disease-advanced-fibrosis-in-the-veterans-health-administration
#9
Yuval A Patel, Elizabeth J Gifford, Lisa M Glass, Marsha J Turner, Byungjoo Han, Cynthia A Moylan, Steve Choi, Ayako Suzuki, Dawn Provenzale, Christine M Hunt
BACKGROUND: Nonalcoholic fatty liver disease (NAFLD) is the most common cause of chronic liver disease. Severe NAFLD with advanced fibrosis results in substantial morbidity and mortality. Associated with metabolic syndrome, NAFLD is often initially clinically silent, yet intensive lifestyle intervention with 7% or greater weight loss can improve or resolve NAFLD. Using a Veterans Health Administration (VHA) liver biopsy cohort, we evaluated simple noninvasive fibrosis scoring systems to identify NAFLD with advanced fibrosis (or severe disease) to assist providers...
May 19, 2018: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/29779071/steady-state-perg-adaptation-a-conspicuous-component-of-response-variability-with-clinical-significance
#10
P Monsalve, S Ren, G Triolo, L Vazquez, A D Henderson, M Kostic, P Gordon, W J Feuer, V Porciatti
PURPOSE: To investigate within-test variability of the steady-state PERG (SS-PERG). METHODS: SS-PERGs were recorded in response to black-white horizontal gratings (1.6 cycles/deg, 98% contrast, 15.63 reversals/s, LED display, 25 deg square field, 800 cd/sqm mean luminance) using skin electrodes. PERG and noise (± reference) signals were averaged over 1024 epochs (~ 2.2 min) and Fourier analyzed to retrieve SS-PERG amplitude and phase. SS-PERGs were split into 16 partial averages (samples) of 64 epochs each, and corresponding amplitudes and phases combined in polar coordinates to assess their dispersion (within-test variability)...
May 19, 2018: Documenta Ophthalmologica. Advances in Ophthalmology
https://www.readbyqxmd.com/read/29779043/glis1-3-transcription-factors-critical-roles-in-the-regulation-of-multiple-physiological-processes-and-diseases
#11
REVIEW
Anton M Jetten
Krüppel-like zinc finger proteins form one of the largest families of transcription factors. They function as key regulators of embryonic development and a wide range of other physiological processes, and are implicated in a variety of pathologies. GLI-similar 1-3 (GLIS1-3) constitute a subfamily of Krüppel-like zinc finger proteins that act either as activators or repressors of gene transcription. GLIS3 plays a critical role in the regulation of multiple biological processes and is a key regulator of pancreatic β cell generation and maturation, insulin gene expression, thyroid hormone biosynthesis, spermatogenesis, and the maintenance of normal kidney functions...
May 19, 2018: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/29779041/the-potential-importance-of-myeloid-derived-suppressor-cells-mdscs-in-the-pathogenesis-of-alzheimer-s-disease
#12
REVIEW
Antero Salminen, Kai Kaarniranta, Anu Kauppinen
The exact cause of Alzheimer's disease (AD) is still unknown, but the deposition of amyloid-β (Aβ) plaques and chronic inflammation indicates that immune disturbances are involved in AD pathogenesis. Recent genetic studies have revealed that many candidate genes are expressed in both microglia and myeloid cells which infiltrate into the AD brains. Invading myeloid cells controls the functions of resident microglia in pathological conditions, such as AD pathology. AD is a neurologic disease with inflammatory component where the immune system is not able to eliminate the perpetrator, while, concurrently, it should prevent neuronal injuries induced by inflammation...
May 19, 2018: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/29779033/genome-wide-association-study-of-renal-function-traits-results-from-the-japan-multi-institutional-collaborative-cohort-study
#13
Asahi Hishida, Masahiro Nakatochi, Masato Akiyama, Yoichiro Kamatani, Takeshi Nishiyama, Hidemi Ito, Isao Oze, Yuichiro Nishida, Megumi Hara, Naoyuki Takashima, Tanvir Chowdhury Turin, Miki Watanabe, Sadao Suzuki, Rie Ibusuki, Ippei Shimoshikiryo, Yohko Nakamura, Haruo Mikami, Hiroaki Ikezaki, Norihiro Furusyo, Kiyonori Kuriki, Kaori Endoh, Teruhide Koyama, Daisuke Matsui, Hirokazu Uemura, Kokichi Arisawa, Tae Sasakabe, Rieko Okada, Sayo Kawai, Mariko Naito, Yukihide Momozawa, Michiaki Kubo, Kenji Wakai
BACKGROUND: Chronic kidney disease (CKD) is a rapidly growing, worldwide public health problem. Recent advances in genome-wide-association studies (GWAS) revealed several genetic loci associated with renal function traits worldwide. METHODS: We investigated the association of genetic factors with the levels of serum creatinine (SCr) and the estimated glomerular filtration rate (eGFR) in Japanese population-based cohorts analyzing the GWAS imputed data with 11,221 subjects and 12,617,569 variants, and replicated the findings with the 148,829 hospital-based Japanese subjects...
May 18, 2018: American Journal of Nephrology
https://www.readbyqxmd.com/read/29779026/uromodulin-mrna-from-urinary-extracellular-vesicles-correlate-to-kidney-function-decline-in-type-2-diabetes-mellitus
#14
Cindy M Yamamoto, Taku Murakami, Melanie L Oakes, Masato Mitsuhashi, Colleen Kelly, Robert R Henry, Kumar Sharma
BACKGROUND: Extracellular vesicles (EVs) enclose mRNA derived from their cell of origin and are considered a source of potential biomarkers. We examined urinary EV mRNA from individuals with diabetic kidney disease (DKD), chronic kidney disease, type 2 diabetes (T2DM), and obese and healthy controls to determine if such biomarkers had the potential to classify kidney disease and predict patients at higher risk of renal function decline. METHODS: A total of 242 participants enrolled in this study...
May 18, 2018: American Journal of Nephrology
https://www.readbyqxmd.com/read/29779024/a-randomized-clinical-trial-of-metformin-to-treat-autosomal-dominant-polycystic-kidney-disease
#15
Stephen L Seliger, Kaleab Z Abebe, Kenneth R Hallows, Dana C Miskulin, Ronald D Perrone, Terry Watnick, Kyongtae Tae Bae
BACKGROUND: Metformin inhibits cyclic AMP generation and activates AMP-activated protein kinase (AMPK), which inhibits the cystic fibrosis transmembrane conductance regulator and Mammalian Target of Rapamycin pathways. Together these effects may reduce cyst growth in autosomal dominant polycystic kidney disease (ADPKD). METHODS: A phase II, double-blinded randomized placebo-controlled trial of 26 months duration. Participants will include nondiabetic adults (n = 96) aged 18-60 years, with an estimated glomerular filtration rate (eGFR) ≥50 mL/min/1...
May 18, 2018: American Journal of Nephrology
https://www.readbyqxmd.com/read/29778909/n-acetylcysteine-protects-against-diabetic-nephropathy-through-control-of-oxidative-and-nitrosative-stress-by-recovery-of-nitric-oxide-in-rats
#16
Guilherme B Nogueira, Giovana R Punaro, Clemerson S Oliveira, Fabiane R Maciel, Thamires O Fernandes, Deyse Y Lima, Adelson M Rodrigues, Margaret G Mouro, Sergio R R Araujo, Elisa M S Higa
The diabetes mellitus (DM) induces several changes, with substantial increase of reactive oxygen species (ROS). The ROS cause damage to systemic and renal microvasculature, which could be one of the mechanisms involved in the development of diabetic nephropathy (DN). The ROS modulate other substances like the nitric oxide (NO), a vasodilator with important role in the renal function. N-acetylcysteine (NAC) is an antioxidant that acts replenishing intracellular cysteine levels, which is essential for glutathione formation...
May 17, 2018: Nitric Oxide: Biology and Chemistry
https://www.readbyqxmd.com/read/29778881/polymerase-chain-reaction-pcr-based-methods-promising-molecular-tools-in-dentistry
#17
REVIEW
Shahriar Shahi, Sepideh Zununi Vahed, Nazanin Fathi, Simin Sharifi
Polymerase chain reaction (PCR) has become a popular diagnosis and research technique in dentistry. Several studies show that its high sensitivity and specificity allow it as a precise, efficient, and rapid method for detection, identification, and quantification of microorganism. Several genetic polymorphisms can be determined along with detection of immune and inflammatory markers, therefore providing the more accurate perception into the mechanisms underlying the dental and periodontal disease. This review paper discusses the application of PCR as a diagnostic technique in periodontology, endodontic infections, implant-related, and peri-implantitis infection, immune and inflammatory markers identification and genetic polymorphism as well as application of next generation sequencing and gene microarray technology in dentistry mentioned...
May 17, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29778845/predictors-of-long-term-mortality-in-status-epilepticus
#18
Somsak Tiamkao, Pawinee Saybungkla, Prapassara Sirikarn, Kittisak Sawanyawisuth
BACKGROUND: There were several studies that have reported on the long-term mortality rate of status epilepticus (SE). However, these studies were conducted mainly in Western countries using small study populations. This study aimed to evaluate predictors for long-term mortality in SE using the Thai national healthcare database. METHODS: This study was conducted using the Thai national Universal Health Coverage (UC) database. The eligibility criteria for this study were that all patients were diagnosed with SE and had been admitted to any hospital between 2005 and 2015...
May 17, 2018: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/29778822/formulation-techniques-for-high-dose-dry-powders
#19
Ashlee D Brunaugh, Hugh D C Smyth
Delivery of drugs to the lungs via dry powder inhaler (DPI) is a promising approach for the treatment of both local pulmonary conditions and systemic diseases. Though DPIs are widely used for the pulmonary deposition of potent bronchodilators, anticholinergics, and corticosteroids, there is growing interest in the utilization of this delivery system for the administration of high drug doses to the lungs, as made evident by recent regulatory approvals for anti-microbial, anti-viral and osmotic agents. However, the formulation of high dose DPIs carries several challenges from both a physiological and physicochemical standpoint...
May 17, 2018: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/29778771/do-serum-markers-of-liver-fibrosis-vary-by-hcv-infection-in-patients-with-alcohol-use-disorder
#20
Arantza Sanvisens, Alvaro Muñoz, Ferran Bolao, Paola Zuluaga, Magí Farré, Inmaculada Jarrin, Jordi Tor, Roberto Muga
INTRODUCTION: HCV infection is frequent in patients with alcohol use disorder (AUD). Ethanol and hepatitis C have a synergistic effect that increases the risk of end-stage liver disease. We aimed to assess fibrosis of the liver in patients admitted to treatment of AUD. METHODS: Data were collected in two hospital units between 2000 and 2014. Liver fibrosis was assessed by serum biomarkers APRI, FIB-4 and Forns, and Advanced Liver Fibrosis (ALF) was defined if APRI > 1...
May 16, 2018: Drug and Alcohol Dependence
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