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https://www.readbyqxmd.com/read/28727155/mucosal-associated-invariant-mait-cells-are-deficient-in-systemic-sclerosis
#1
Arsène Mekinian, Thibaut Mahevas, Mohamad Mohty, Vincent Jachiet, Sébastien Rivière, Olivier Fain, Béatrice Gaugler
OBJECTIVES: Systemic sclerosis (SSc) is an autoimmune disease, characterized by fibrosis of the skin and other organs, vascular impairment and deficient immune responses. Mucosal associated invariant T cells (MAIT) cells have been involved in various inflammatory and autoimmune diseases. The aim of this study was to determine the frequencies of MAIT cells in the blood of patients with systemic sclerosis (SSc), and to compare their distribution in the different types of SSc. PATIENTS AND METHODS: Blood samples from SSc patients and healthy controls were examined by flow cytometer to analyze the frequencies of MAIT and γδ T cells...
July 18, 2017: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/28722722/mait-cell-heterogeneity
#2
Zoltan Fehervari
No abstract text is available yet for this article.
July 19, 2017: Nature Immunology
https://www.readbyqxmd.com/read/28717981/effects-of-counselling-on-adherence-to-antiretroviral-treatment-among-people-with-hiv-in-estonia-a-randomized-controlled-trial
#3
Anneli Uusküla, Kaja-Triin Laisaar, Mait Raag, Liis Lemsalu, Liilia Lõhmus, Kristi Rüütel, K Rivet Amico
To assess the efficacy of an education- and strengths-based counselling programme to promote antiretroviral therapy (ART) adherence in a cohort of HIV-infected individuals with high prevalence of injection drug use in Estonia. Parallel-group randomized (1:1) controlled trial (RCT). Adults receiving ART in two clinics were followed for 12 months. The trial compared: (i) an intervention (three sessions) incorporated into routine clinic visits, providing education about HIV, ART, the role of adherence, and tailoring regimen to daily routines using problem-solving skills to address adherence barriers versus (ii) usual care (control)...
July 17, 2017: AIDS and Behavior
https://www.readbyqxmd.com/read/28712569/extensive-farming-in-estonia-started-through-a-sex-biased-migration-from-the-steppe
#4
Lehti Saag, Liivi Varul, Christiana Lyn Scheib, Jesper Stenderup, Morten E Allentoft, Lauri Saag, Luca Pagani, Maere Reidla, Kristiina Tambets, Ene Metspalu, Aivar Kriiska, Eske Willerslev, Toomas Kivisild, Mait Metspalu
The transition from hunting and gathering to farming in Europe was brought upon by arrival of new people carrying novel material culture and genetic ancestry. The exact nature and scale of the transition-both material and genetic-varied in different parts of Europe [1-7]. Farming-based economies appear relatively late in Northeast Europe, and the extent to which they involve change in genetic ancestry is not fully understood due to the lack of relevant ancient DNA data. Here we present the results from new low-coverage whole-genome shotgun sequence data from five hunter-gatherers and five first farmers of Estonia whose remains date to 4,500 to 6,300 years before present...
July 11, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28711627/vasoactive-intestinal-polypeptide-and-mast-cells-regulate-increased-passage-of-colonic-bacteria-in-patients-with-irritable-bowel-syndrome
#5
Olga Bednarska, Susanna A Walter, Maite Casado-Bedmar, Magnus Ström, Eloísa Salvo-Romero, Maria Vicario, Emeran A Mayer, Åsa V Keita
BACKGROUND & AIMS: Irritable bowel syndrome (IBS) is associated with intestinal dysbiosis and symptoms of IBS develop following gastroenteritis. We aimed to study passage of live bacteria through the colonic epithelium, and determine the role of mast cells and vasoactive intestinal polypeptide (VIP) in barrier regulation in IBS and healthy individuals. METHODS: Colon biopsies from 32 women with IBS and 15 age-matched healthy women (controls) were mounted in Ussing chambers; we measured numbers of fluorescently labeled Escherichia coli HS and Salmonella typhimurium that passed through from the mucosal side to the serosal side of the tissue...
July 12, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28709961/bile-acids-fgf15-19-and-liver-regeneration-from-mechanisms-to-clinical-applications
#6
REVIEW
Gloria Alvarez-Sola, Iker Uriarte, Maria U Latasa, Maddalen Jimenez, Marina Barcena-Varela, Eva Santamaría, Raquel Urtasun, Carlos Rodriguez-Ortigosa, Jesús Prieto, Pedro Berraondo, Maite G Fernandez-Barrena, Carmen Berasain, Matías A Avila
The liver has an extraordinary regenerative capacity rapidly triggered upon injury or resection. This response is intrinsically adjusted in its initiation and termination, a property termed the "hepatostat". Several molecules have been involved in liver regeneration, and among them bile acids may play a central role. Intrahepatic levels of bile acids rapidly increase after resection. Through the activation of farnesoid X receptor (FXR), bile acids regulate their hepatic metabolism and also promote hepatocellular proliferation...
July 11, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28709370/sewers-as-potential-reservoirs-of-antibiotic-resistance
#7
Olga Auguet, Maite Pijuan, Carles M Borrego, Sara Rodriguez-Mozaz, Xavier Triadó-Margarit, Saulo Varela Della Giustina, Oriol Gutierrez
Wastewater transport along sewers favors the colonization of inner pipe surfaces by wastewater-derived microorganisms that grow forming biofilms. These biofilms are composed of rich and diverse microbial communities that are continuously exposed to antibiotic residues and antibiotic resistant bacteria (ARB) from urban wastewater. Sewer biofilms thus appear as an optimal habitat for the dispersal and accumulation of antibiotic resistance genes (ARGs). In this study, the concentration of antibiotics, integron (intI1) and antibiotic resistance genes (qnrS, sul1, sul2, blaTEM, blaKPC, ermB, tetM and tetW), and potential bacterial pathogens were analyzed in wastewater and biofilm samples collected at the inlet and outlet sections of a pressurized sewer pipe...
July 10, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28708923/preoperative-anxiety-and-its-influence-on-patient-and-surgeon-satisfaction-in-patients-receiving-dental-implant-surgeries-performed-under-intravenous-conscious-sedation
#8
Maite Bovaira, Alberto Herrero Babiloni, María Jovaní, Miguel Peñarrocha-Diago, Sandra González-Lemonnier, David Peñarrocha-Oltra
PURPOSE: The aims of this study were to evaluate the relationship of age, sex, and type and duration of the surgery with preoperative anxiety in patients undergoing dental implant surgeries under intravenous conscious sedation, and to assess preoperative anxiety association with the postoperative satisfaction of both the patient and surgeon. MATERIALS AND METHODS: This prospective study included 180 patients receiving dental implant surgeries under intravenous conscious sedation by means of midazolam, fentanyl, and propofol...
July 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28708219/one-year-efficacy-and-safety-of-0-1-cyclosporine-a-cationic-emulsion-in-the-treatment-of-severe-dry-eye-disease
#9
Christophe Baudouin, Maite Sainz de la Maza, Mourad Amrane, Jean-Sébastien Garrigue, Dahlia Ismail, Francisco C Figueiredo, Andrea Leonardi
PURPOSE: The SANSIKA study evaluated the efficacy/safety of 0.1% (1 mg/mL) cyclosporine A cationic emulsion (CsA CE) for treating dry eye disease (DED) with severe keratitis. The double-masked phase demonstrated that CsA CE was effective in reducing corneal damage and ocular surface inflammation, and was well-tolerated over 6 months. Here we report efficacy and safety findings of SANSIKA's open-label extension (OLE). METHODS: In this multicenter, double-masked, phase III study, patients with severe DED (corneal fluorescein staining [CFS] grade 4, modified Oxford scale) were randomized to once-daily CsA CE (Ikervis®) or its vehicle for 6 months, followed by 6-month open-label, once-daily CsA CE (CsA CE/CsA CE and vehicle/CsA CE groups)...
July 1, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28701771/myosin-1b-and-f-actin-are-involved-in-the-control-of-secretory-granule-biogenesis
#10
Charlène Delestre-Delacour, Ophélie Carmon, Fanny Laguerre, Catherine Estay-Ahumada, Maïté Courel, Salah Elias, Lydie Jeandel, Margarita Villar Rayo, Juan R Peinado, Lucie Sengmanivong, Stéphane Gasman, Evelyne Coudrier, Youssef Anouar, Maité Montero-Hadjadje
Hormone secretion relies on secretory granules which store hormones in endocrine cells and release them upon cell stimulation. The molecular events leading to hormone sorting and secretory granule formation at the level of the TGN are still elusive. Our proteomic analysis of purified whole secretory granules or secretory granule membranes uncovered their association with the actomyosin components myosin 1b, actin and the actin nucleation complex Arp2/3. We found that myosin 1b controls the formation of secretory granules and the associated regulated secretion in both neuroendocrine cells and chromogranin A-expressing COS7 cells used as a simplified model of induced secretion...
July 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28698168/a-self-regulation-based-ehealth-intervention-to-promote-a-healthy-lifestyle-investigating-user-and-website-characteristics-related-to-attrition
#11
Celien Van der Mispel, Louise Poppe, Geert Crombez, Maïté Verloigne, Ilse De Bourdeaudhuij
BACKGROUND: eHealth interventions can reach large populations and are effective in increasing physical activity (PA) and fruit and vegetable intake. Nevertheless, the effects of eHealth interventions are overshadowed by high attrition rates. Examining more closely when users decide to leave the intervention can help eHealth developers to make informed decisions about which intervention components should be reshaped or simply removed. Investigating which users are more likely to quit an intervention can inform developers about whether and how their intervention should be adapted to specific subgroups of users...
July 11, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28693703/stress-competence-and-parental-educational-styles-in-victims-and-aggressors-of-bullying-and-cyberbullying
#12
Maite Garaigordobil, Juan M Machimbarrena
BACKGROUND: The family can be a protective/risk factor for violence. The study analyzes differences in family variables (parental stress, parental competence and parenting styles) among severe student victims, aggressors, cybervictims, and cyberaggressors (who have very frequently suffered or carried out bullying/cyberbullying behaviors in the past year) and those who have neither suffered nor carried out any aggressive behavior or only occasionally. METHOD: Participants were 1,993 students in the 5th-6th grade (9-13 years old)...
August 2017: Psicothema
https://www.readbyqxmd.com/read/28689310/an-interactive-mobile-phone-website-platform-to-facilitate-real-time-management-of-medication-in-chronically-ill-patients
#13
Helena Anglada-Martínez, Maite Martin-Conde, Marina Rovira-Illamola, Jose Miguel Sotoca-Momblona, Ethel Sequeira, Valentin Aragunde, Carles Codina-Jané
Poor adherence to medication is a prevalent issue that affects 50-60% of chronically ill patients. We present Medplan, a platform for patients/caregivers and healthcare professionals (HCPs) that aims to enhance adherence, increase patient medication knowledge, and facilitate communication between patients and HCPs. The Medplan platform was designed and developed by a multidisciplinary team composed of primary care and hospital physicians, pharmacists, patients, and developers. We questioned 62 patients in order to know their opinion about the different functions the app would incorporate and other possible features that should be taken into consideration...
August 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28688841/how-mr1-presents-a-pathogen-metabolic-signature-to-mucosal-associated-invariant-t-mait-cells
#14
REVIEW
Hamish E G McWilliam, Jose A Villadangos
Mucosal-associated invariant T (MAIT) cells are innate-like lymphocytes restricted by the antigen (Ag)-presenting molecule MHC class I (MHC I)-related protein 1 (MR1). The Ags presented by MR1 are vitamin B-related Ags (VitBAgs), 'building-block' metabolites of riboflavin that are synthesized by a range of microbes. MR1 presentation is thus a unique mechanism for the immune detection of a pathogen metabolic signature. While the full picture of how MR1 accomplishes this remains incomplete, recent data show that, unlike other MHC molecules, MR1 operates by a presentation-on-demand mechanism...
July 5, 2017: Trends in Immunology
https://www.readbyqxmd.com/read/28681298/biodeterioration-of-pompeian-mural-paintings-fungal-colonization-favoured-by-the-presence-of-volcanic-material-residues
#15
Marco Veneranda, Nagore Prieto-Taboada, Silvia Fdez-Ortiz de Vallejuelo, Maite Maguregui, Hector Morillas, Iker Marcaida, Kepa Castro, Juan Manuel Madariaga, Massimo Osanna
This work was focused on the study of the biodegradation processes jeopardizing a mural painting conserved in the basement of Ariadne House (archaeological site of Pompeii, Italy). The fresco stood out for its peculiar state of preservation: the upper part, recovered in 1988, was just barely colonized by microorganisms. On the contrary, the lower part (excavated in 2005) was almost completely covered by extensive biological patinas. The genomic characterization carried out by polymerase chain reaction (PCR) highlighted the presence of seven different fungi strains on the mural surface...
July 5, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28678860/multi-scale-ancient-dna-analyses-confirm-the-western-origin-of-michelsberg-farmers-and-document-probable-practices-of-human-sacrifice
#16
Alice Beau, Maïté Rivollat, Hélène Réveillas, Marie-Hélène Pemonge, Fanny Mendisco, Yohann Thomas, Philippe Lefranc, Marie-France Deguilloux
In Europe, the Middle Neolithic is characterized by an important diversification of cultures. In northeastern France, the appearance of the Michelsberg culture has been correlated with major cultural changes and interpreted as the result of the settlement of new groups originating from the Paris Basin. This cultural transition has been accompanied by the expansion of particular funerary practices involving inhumations within circular pits and individuals in "non-conventional" positions (deposited in the pits without any particular treatment)...
2017: PloS One
https://www.readbyqxmd.com/read/28671343/inactivation-of-zika-virus-in-platelet-components-using-amotosalen-and-ultraviolet-a-illumination
#17
Felicia Santa Maria, Andrew Laughhunn, Marion C Lanteri, Maite Aubry, Didier Musso, Adonis Stassinopoulos
BACKGROUND: Concerned over the risk of Zika virus (ZIKV) transfusion transmission, public health agencies recommended the implementation of mitigation strategies for its prevention. Those strategies included the use of pathogen inactivation for the treatment of plasma and platelets. The efficacy of amotosalen/ultraviolet A to inactivate ZIKV in plasma had been previously demonstrated, and the efficacy of inactivation in platelets with the same technology was assumed. These studies quantify ZIKV inactivation in platelet components using amotosalen/ultraviolet A...
July 3, 2017: Transfusion
https://www.readbyqxmd.com/read/28667664/tacrolimus-and-mycophenolate-regimen-and-subclinical-tubulo-interstitial-inflammation-in-low-immunological-risk-renal-transplants
#18
Irina B Torres, Anna V Reisaeter, Francesc Moreso, Anders Åsberg, Marta Vidal, Clara Garcia-Carro, Karsten Midtvedt, Finn P Reinholt, Helge Scott, Eva Castellà, Maite Salcedo, Christina Dörje, Joana Sellarés, Maria A Azancot, Manel Perello, Hallvard Holdaas, Daniel Serón
The aim was to evaluate the relationship between maintenance immunosuppression, subclinical tubulo-interstital inflammation and interstitial fibrosis/tubular atrophy (IF/TA) in surveillance biopsies performed in low immunological risk renal transplants at two transplant centers. The Barcelona cohort consisted of 109 early and 66 late biopsies in patients receiving high tacrolimus (TAC-C0 target at 1-year 6-10 ng/mL) and reduced MMF dose (500 mg bid at 1-year). The Oslo cohort consisted of 262 early and 237 late biopsies performed in patients treated with low TAC-C0 (target 3-7 ng/mL) and standard MMF dose (750 mg bid)...
July 1, 2017: Transplant International: Official Journal of the European Society for Organ Transplantation
https://www.readbyqxmd.com/read/28661822/the-comorbidity-of-psychiatric-and-substance-use-disorders-among-hispanic-adolescents
#19
Karina A Gattamorta, Maite P Mena, Jordan B Ainsley, Daniel A Santisteban
OBJECTIVES: The comorbidity of psychiatric disorders and substance abuse disorders among adolescents and adults is well-documented in the literature (Colder et al., 2013). The current study investigates the relationship between psychiatric and substance use disorders in a sample of treatment-seeking Hispanic adolescents. METHODS: The study uses baseline data (N = 190) from a randomized control trial testing the effectiveness of a family-based treatment for Hispanic adolescents with substance abuse disorder to examine the relationship between psychiatric disorders and substance use patterns at baseline, including types of substances used (both lifetime use and past month use) and age of onset of substance use controlling for age and gender...
June 29, 2017: Journal of Dual Diagnosis
https://www.readbyqxmd.com/read/28656819/annals-express-urinary-albumin-a-risk-marker-under-requested-in-primary-care-in-spain
#20
Maria Salinas, Maite Lopez-Garrigos, Emilio Flores, Carlos Leiva-Salinas
BACKGROUND: To study the inter-practice regional variation in the request of urinary albumin (MAU) by general practitioners (GPs) and compare to guideline recommendations. METHODS: A cross-sectional study enrolled laboratories from different Spanish Autonomous Communities (AACCs). Laboratories were invited to report the number of MAU requested by GPs during 2012 and 2014. MAU requested per 1000 inhabitants and the index of variability (90(t)(h) centile / 10(t)(h) centile)/Percentile10) were calculated, and compared between AACCs and time periods...
January 1, 2017: Annals of Clinical Biochemistry
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