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https://www.readbyqxmd.com/read/28910860/isolation-of-probiotic-piliated-lactobacillus-rhamnosus-strains-from-human-faecal-microbiota-using-spaaantiserum-based-colony-immunoblotting
#1
Zhen-Quan Yang, Yu Xue, Mi Zhang, Sheng-Qi Rao, Lu Gao, Yong-Qi Yin, Da-Wei Chen, Xiao-Hui Zhou, Xin-An Jiao
Piliated Lactobacillus rhamnosus (pLR) strains possess higher adherent capacity than non-piliated strains. The objective of this study was to isolate and characterise probiotic pLR strains in human faecal samples. To this end, mouse polyclonal antiserum (anti-SpaA) against the recombinant pilus protein (SpaA) of L. rhamnosus strain GG (LGG) was prepared and tested for its reactivity and specificity. With the anti-SpaA, a method combining the de Man Rogosa and Sharpe (MRS) agar plating separation and colony immunoblotting (CIB) was developed to isolate pLR from 124 human faecal samples...
September 15, 2017: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28906442/the-role-of-ion-exchange-membranes-in-membrane-capacitive-deionisation
#2
REVIEW
Armineh Hassanvand, Kajia Wei, Sahar Talebi, George Q Chen, Sandra E Kentish
Ion-exchange membranes (IEMs) are unique in combining the electrochemical properties of ion exchange resins and the permeability of a membrane. They are being used widely to treat industrial effluents, and in seawater and brackish water desalination. Membrane Capacitive Deionisation (MCDI) is an emerging, energy efficient technology for brackish water desalination in which these ion-exchange membranes act as selective gates allowing the transport of counter-ions toward carbon electrodes. This article provides a summary of recent developments in the preparation, characterization, and performance of ion exchange membranes in the MCDI field...
September 14, 2017: Membranes
https://www.readbyqxmd.com/read/28905239/expression-and-distribution-of-three-transient-receptor-potential-vanilloid-trpv-channel-proteins-in-human-odontoblast-like-cells
#3
Wen Wen, Kehua Que, Chengcheng Zang, Jing Wen, Guangxu Sun, Zhiying Zhao, Yanzhong Li
Odontoblasts have been suggested to contribute to nociceptive sensation in the tooth via expression of the transient receptor potential (TRP) channels. The TRP channels as a family of nonselective cation permeable channels play an important role in sensory transduction of human. In this study, we examined the expression of transient receptor potential vanilloid-1 (TRPV1), transient receptor potential vanilloid-2 (TRPV2) and transient receptor potential vanilloid-3 (TRPV3) channels in native human odontoblasts (HODs) and long-term cultured human dental pulp cells with odontoblast phenotyoe (LHOPs) obtained from healthy wisdom teeth with the use of immunohistochemistry (IHC), immunofluorescence (IF), quantitative real-time polymerase chain reaction (qRT-PCR),western blotting (WB) and immunoelectron microscopy (IEM) assay...
September 13, 2017: Journal of Molecular Histology
https://www.readbyqxmd.com/read/28902269/development-of-in-house-serological-methods-for-diagnosis-and-surveillance-of-chikungunya
#4
Saira Saborío Galo, Karla González, Yolanda Téllez, Nadezna García, Leonel Pérez, Lionel Gresh, Eva Harris, Ángel Balmaseda
Objective: To develop and evaluate serological methods for chikungunya diagnosis and research in Nicaragua. Methods: Two IgM ELISA capture systems (MAC-ELISA) for diagnosis of acute chikungunya virus (CHIKV) infections, and two Inhibition ELISA Methods (IEM) to measure total antibodies against CHIKV were developed using monoclonal antibodies (mAbs) and hyperimmune serum at the National Virology Laboratory of Nicaragua in 2014-2015. The sensitivity, specificity, predictive values, and agreement of the MAC-ELISAs were obtained by comparing the results of 198 samples (116 positive; 82 negative) with the Centers for Disease Control and Prevention's IgM ELISA (Atlanta, Georgia, United States; CDC-MAC-ELISA)...
August 21, 2017: Revista Panamericana de Salud Pública, Pan American Journal of Public Health
https://www.readbyqxmd.com/read/28898473/influence-of-prucalopride-on-esophageal-secondary-peristalsis-in-reflux-patients-with-ineffective-motility
#5
Wei-Yi Lei, Jui-Sheng Hung, Tso-Tsai Liu, Chih-Hsun Yi, Chien-Lin Chen
BACKGROUNDS/AIM: Ineffective esophageal motility (IEM) is associated with gastroesophageal reflux disease (GERD). Secondary peristalsis contributes to esophageal clearance. Prucalopride promotes secondary peristalsis by stimulating 5-hydroxytrypatamine 4 receptors in the esophagus. We aimed to determine whether prucalopride would augment secondary peristalsis in GERD patients with IEM. METHODS: After a baseline recording of primary peristalsis, secondary peristalsis was stimulated by slow and rapid mid-esophageal injections of air in 15 patients with IEM...
September 12, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28894950/autism-spectrum-disorder-an-early-and-frequent-feature-in-cerebrotendinous-xanthomatosis
#6
Bianca M L Stelten, Olivier Bonnot, Hidde H Huidekoper, Francjan J van Spronsen, Peter M van Hasselt, Leo A J Kluijtmans, Ron A Wevers, Aad Verrips
BACKGROUND: Cerebrotendinous xanthomatosis (CTX) is an autosomal recessively inherited inborn error of metabolism (IEM) due to mutations in the CYP27A1 gene. The clinical picture ranges from being nearly asymptomatic in early childhood, up to severe disability at adult age. Infantile-onset diarrhea and juvenile-onset cataract are the earliest symptoms in childhood. In the current study, we evaluated the presence of autism spectrum disorder (ASD) in a large cohort of CTX patients. METHODS: We performed a retrospective patient file study in 77 genetically confirmed Dutch CTX patients to determine the frequency of ASD...
September 11, 2017: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/28884884/a-randomized-double-blind-placebo-controlled-crossover-style-trial-of-buspirone-in-functional-dysphagia-and-ineffective-esophageal-motility
#7
Nitin Aggarwal, Prashanthi Nagavenkata Thota, Rocio Lopez, Scott Gabbard
BACKGROUND: Studies suggest that Ineffective Esophageal Motility (IEM) is the manometric correlate of Functional Dysphagia (FD). Currently, there is no accepted therapy for either condition. Buspirone is a serotonin modulating medication and has been shown to augment esophageal peristaltic amplitude in healthy volunteers. We aimed to determine if buspirone improves manometric parameters and symptoms in patients with overlapping IEM/FD. METHODS: We performed a prospective, double-blind, placebo-controlled, crossover-style trial of 10 patients with IEM/FD...
September 8, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28854563/integrin-alpha-10-cd44-pten-cadherin-11-and-lactoferrin-expressions-are-potential-biomarkers-for-selecting-patients-in-need-of-central-nervous-system-prophylaxis-in-diffuse-large-b-cell-lymphoma
#8
Siria A Lemma, Milla Kuusisto, Kirsi-Maria Haapasaari, Raija Sormunen, Tuula Lehtinen, Tuula Klaavuniemi, Mine Eray, Esa Jantunen, Ylermi Soini, Kaija Vasala, Jan Böhm, Niina Salokorpi, Petri Koivunen, Peeter Karihtala, Jussi Vuoristo, Taina Turpeenniemi-Hujanen, Outi Kuittinen
Central nervous system (CNS) relapse is a devastating complication that occurs in about 5% of diffuse large B-cell lymphoma (DLBCL) patients. Currently, there are no predictive biological markers. We wanted to study potential biomarkers of CNS tropism that play a role in adhesion, migration and/or in the regulation of inflammatory responses. The expression levels of ITGA10, CD44, PTEN, cadherin-11, CDH12, N-cadherin, P-cadherin, lactoferrin and E-cadherin were studied with IHC and IEM. GEP was performed to see whether found expressional changes are regulated at DNA/RNA level...
August 1, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28834604/deficiency-of-aminopeptidase-p1-causes-behavioral-hyperactivity-cognitive-deficits-and-hippocampal-neurodegeneration
#9
Y-S Bae, S H Yoon, J Y Han, J Woo, Y S Cho, S-K Kwon, Y C Bae, D Kim, E Kim, M-H Kim
Metabolic diseases affect various organs including the brain. Accumulation or depletion of substrates frequently leads to brain injury and dysfunction. Deficiency of aminopeptidase P1, a cytosolic proline-specific peptidase encoded by the Xpnpep1 gene, causes an inborn error of metabolism (IEM) characterized by peptiduria in humans. We previously reported that knockout of aminopeptidase P1 in mice causes neurodevelopmental disorders and peptiduria. However, little is known about the pathophysiological role of aminopeptidase P1 in the brain...
August 23, 2017: Genes, Brain, and Behavior
https://www.readbyqxmd.com/read/28831798/cross-linked-polyelectrolyte-for-improved-selectivity-and-processability-of-iontronic-systems
#10
Theresia Arbring Sjöström, Amanda Jonsson, Erik Gabrielsson, Loïg Kergoat, Klas Tybrandt, Magnus Berggren, Daniel T Simon
On-demand local release of biomolecules enables fine-tuned stimulation for the next generation of neuromodulation therapies. Such chemical stimulation is achievable using iontronic devices based on microfabricated, highly selective ion exchange membranes (IEMs). Current limitations in processability and performance of thin film IEMs hamper future developments of this technology. Here we address this limitation by developing a cationic IEM with excellent processability and ionic selectivity: poly(4-styrenesulfonic acid-co-maleic acid) (PSS-co-MA) cross-linked with polyethylene glycol (PEG)...
September 13, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28822227/inborn-errors-of-metabolism-in-a-cohort-of-pregnancies-with-non-immune-hydrops-fetalis-a-single-center-experience
#11
Zandrè Bruwer, Nihal Al Riyami, Tamima Al Dughaishi, Fathiya Al Murshedi, Abeer Al Sayegh, Adila Al Kindy, Douja Meftah, Khalsa Al Kharusi, Amel Al Foori, Naeema Al Yarubi, Patrick Scott, Khalid Al-Thihli
OBJECTIVE: The purpose of this study was to determine the frequency of non-immune hydrops fetalis (NIHF) among all pregnancies referred for prenatal care at Sultan Qaboos University Hospital (SQUH) during the study period and to evaluate the underlying etiologies of NIH. STUDY DESIGN: All pregnancies referred to SQUH between February 2014 and December 2015 were identified, and all pregnancies meeting the diagnosis of NIHF were included in this study. All cases of NIHF referred to our center during this period underwent standard systematic diagnostic work-up that included biochemical and molecular studies in addition to the standard investigations for hydrops fetalis...
August 19, 2017: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/28820756/telmesani-radiological-classification-of-the-location-of-the-vertical-segment-of-the-facial-nerve-impact-on-surgical-approach-in-cochlear-implant-surgery
#12
Laila Mohammed Telmesani, Mona Khalid Alrammah
OBJECTIVE: This study was conducted to establish a radiological classification of the location of the vertical segment of the facial nerve (VSFN) and to see if this has implications on the surgical technique needed to access the round window niche (RWN) in cochlear implant (CI) surgery. STUDY DESIGN: Observational case series study. SETTING: Tertiary referral center. PATIENTS: One hundred twenty seven patients underwent CI surgery, and high resolution computed tomography (HRCT) of 140 temporal bones was studied...
October 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28811860/the-apelin-receptor-apj-in-hematopoietic-stem-cells-progenitor-cells-in-the-early-stage-of-non-alcoholic-steatohepatitis
#13
Wataru Ando, Hiroaki Yokomori, Katsuya Otori, Masaya Oda
BACKGROUND: Non-alcoholic steatohepatitis (NASH) is characterized by hepatic steatosis and inflammation with or without fibrosis. The apelin receptor (APJ) is related to angiotensin-like-receptor 1 (AGTRL1). The present study aimed to evaluate APJ as an indicator of the pathophysiology of early-stage NASH. METHODS: APJ expression was evaluated in six tissue samples with histologically proven early-stage NASH using immunohistochemistry (IHC) and immunoelectron microscopy (IEM)...
September 2017: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/28771436/applying-targeted-next-generation-sequencing-to-dried-blood-spot-specimens-from-suspicious-cases-identified-by-tandem-mass-spectrometry-based-newborn-screening
#14
Jicheng Qian, Xiaonan Wang, Jia Liu, Junyuan Zhong, Yanqun Le, Laurent C A Melchior Tellier, Chao Liu, Pingping Jiang, Rui Gao, Yuan Wang
BACKGROUND: Tandem mass spectrometry (TMS)-based newborn screening has been proven successful as one of the public healthcare programs, although the practicability has not yet been specifically addressed. METHODS: Sixty residual dried blood spot (DBS) specimens from confirmation/diagnosis-insufficient cases discovered by TMS screening were analyzed by targeted next generation sequencing (TNGS) assay. RESULTS: In total, 26, 11, 9, and 14 cases were diagnosed as positive, high risk, low risk, and negative, respectively...
August 28, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/28762946/plasticity-of-calcium-permeable-ampa-glutamate-receptors-in-pro-opiomelanocortin-neurons
#15
Shigetomo Suyama, Alexandra Ralevski, Zhong-Wu Liu, Marcelo O Dietrich, Toshihiko Yada, Stephanie E Simonds, Michael A Cowley, Xiao-Bing Gao, Sabrina Diano, Tamas L Horvath
POMC neurons integrate metabolic signals from the periphery. Here, we show in mice that food deprivation induces a linear current-voltage relationship of AMPAR-mediated excitatory postsynaptic currents (EPSCs) in POMC neurons. Inhibition of EPSCs by IEM-1460, an antagonist of calcium-permeable (Cp) AMPARs, diminished EPSC amplitude in the fed but not in the fasted state, suggesting entry of GluR2 subunits into the AMPA receptor complex during food deprivation. Accordingly, removal of extracellular calcium from ACSF decreased the amplitude of mEPSCs in the fed but not the fasted state...
August 1, 2017: ELife
https://www.readbyqxmd.com/read/28755181/biochemical-and-clinical-aspects-of-hereditary-tyrosinemia-type-1
#16
Geneviève Morrow, Robert M Tanguay
Inborn errors of metabolism (IEMs) are a group of diseases involving a genetic defect that alters a metabolic pathway and that presents usually during infancy. The tyrosine degradation pathway contains five enzymes, four of which being associated with IEMs. The most severe metabolic disorder associated with this catabolic pathway is hereditary tyrosinemia type 1 (HT1; OMIM 276700). HT1 is an autosomal recessive disease caused by a deficiency of fumarylacetoacetate hydrolase (FAH), the last enzyme of the tyrosine catabolic pathway...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28751508/between-fire-and-ice-refractory-hypothermia-and-warmth-induced-pain-in-inherited-erythromelalgia
#17
See Wan Tham, Li Li, Philip Effraim, Stephen Waxman
Inherited erythromelalgia (IEM) is a well-described pain disorder caused by mutations of sodium channel Nav1.7, a peripheral channel expressed within dorsal root ganglion and the sympathetic ganglion neurons. Clinically, IEM is characterised by paroxysmal attacks of severe pain, usually in the distal extremities, triggered by warmth or exercise. Pain is not adequately treated by existing pharmacological agents. Individuals with IEM classically cool their limbs for relief, in some cases resulting in tissue injury...
July 26, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28726811/knowledge-base-and-mini-expert-platform-for-the-diagnosis-of-inborn-errors-of-metabolism
#18
Jessica J Y Lee, Wyeth W Wasserman, Georg F Hoffmann, Clara D M van Karnebeek, Nenad Blau
PurposeRecognizing individuals with inherited diseases can be difficult because signs and symptoms often overlap those of common medical conditions. Focusing on inborn errors of metabolism (IEMs), we present a method that brings the knowledge of highly specialized experts to professionals involved in early diagnoses. We introduce IEMbase, an online expert-curated IEM knowledge base combined with a prototype diagnosis support (mini-expert) system.MethodsDisease-characterizing profiles of specific biochemical markers and clinical symptoms were extracted from an expert-compiled IEM database...
July 20, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/28709670/arterial-stiffness-in-normotensive-and-hypertensive-subjects-frequency-in-community-pharmacies
#19
Enrique Rodilla Sala, Manuel Adell Alegre, Vicente Giner Galvañ, Zeneida Perseguer Torregrosa, Jose Maria Pascual Izuel, María Teresa Climent Catalá
BACKGROUND AND OBJECTIVE: Arterial stiffness (AS) is a well-recognized target organ lesion. This study aims to determine: 1) the frequency of AS in community pharmacies; 2) if stiffened subjects identified by brachial oscillometry have more CV risk factors than normal subjects, and 3) the dependence of stiffness on using either age-adjusted values or a fixed threshold. PATIENTS AND METHOD: Observational, cross-sectional study in 32 community pharmacies of the Valencia Community, between November/2015 and April/2016...
July 11, 2017: Medicina Clínica
https://www.readbyqxmd.com/read/28675886/international-society-for-the-study-of-fatty-acids-and-lipids-2016-debate-for-science-based-dietary-guidelines-on-fats-meta-analysis-and-systematic-reviews-are-decisive
#20
Joyce A Nettleton, Clemens von Schacky, Ingeborg A Brouwer, Berthold Koletzko
This paper summarizes a debate on whether meta-analyses and systematic reviews are decisive in formulating guidelines for dietary fat. Held during the 12th congress of the International Society for the Study of Fatty Acids and Lipids in Stellenbosch, South Africa, September 7, 2016, the debate was hosted by the International Union of Nutritional Sciences and the International Expert Movement to Improve Dietary Fat Quality (IEM, www.theiem.org). Clemens von Schacky, Ludwig Maximilians-University, Munich, Germany, supported the statement, describing the types of weaknesses in individual studies and clinical trials...
2017: Annals of Nutrition & Metabolism
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