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https://www.readbyqxmd.com/read/28339063/viral-and-host-factors-associated-with-outcomes-of-hepatitis-c-virus-infection-review
#1
Zehui Yan, Yuming Wang
Hepatitis C virus (HCV) infection is a major health issue globally. Owing to the progress made in host genetics and HCV molecular virology, emerging data have suggested that the natural course and treatment response in patients with HCV infection are largely determined by complex host‑viral interactions. HCV genotype is the most important viral factor predicting the response to pegylated interferon‑α plus ribavirin therapy. The subtype of HCV genotype 1 is the key viral factor that predicts the efficacy of direct‑acting antiviral therapy...
March 22, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28337224/gut-mesenchymal-stromal-cells-in-immunity
#2
REVIEW
Valeria Messina, Carla Buccione, Giulia Marotta, Giovanna Ziccheddu, Michele Signore, Gianfranco Mattia, Rossella Puglisi, Benedetto Sacchetti, Livia Biancone, Mauro Valtieri
Mesenchymal stromal cells (MSCs), first found in bone marrow (BM), are the structural architects of all organs, participating in most biological functions. MSCs possess tissue-specific signatures that allow their discrimination according to their origin and location. Among their multiple functions, MSCs closely interact with immune cells, orchestrating their activity to maintain overall homeostasis. The phenotype of tissue MSCs residing in the bowel overlaps with myofibroblasts, lining the bottom walls of intestinal crypts (pericryptal) or interspersed within intestinal submucosa (intercryptal)...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28336050/mortality-risk-disparities-in-children-receiving-chronic-renal-replacement-therapy-for-the-treatment-of-end-stage-renal-disease-across-europe-an-espn-era-edta-registry-analysis
#3
Nicholas C Chesnaye, Franz Schaefer, Marjolein Bonthuis, Rebecca Holman, Sergey Baiko, Esra Baskın, Anna Bjerre, Sylvie Cloarec, Elisabeth A M Cornelissen, Laura Espinosa, James Heaf, Rosário Stone, Diamant Shtiza, Ilona Zagozdzon, Jérôme Harambat, Kitty J Jager, Jaap W Groothoff, Karlijn J van Stralen
BACKGROUND: We explored the variation in country mortality rates in the paediatric population receiving renal replacement therapy across Europe, and estimated how much of this variation could be explained by patient-level and country-level factors. METHODS: In this registry analysis, we extracted patient data from the European Society for Paediatric Nephrology/European Renal Association-European Dialysis and Transplant Association (ESPN/ERA-EDTA) Registry for 32 European countries...
March 20, 2017: Lancet
https://www.readbyqxmd.com/read/28335732/lung-function-associated-gene-integrator-complex-subunit-12-regulates-protein-synthesis-pathways
#4
Alexander K Kheirallah, Cornelia H de Moor, Alen Faiz, Ian Sayers, Ian P Hall
BACKGROUND: Genetic studies of human lung function and Chronic Obstructive Pulmonary Disease have identified a highly significant and reproducible signal on 4q24. It remains unclear which of the two candidate genes within this locus may regulate lung function: GSTCD, a gene with unknown function, and/or INTS12, a member of the Integrator Complex which is currently thought to mediate 3'end processing of small nuclear RNAs. RESULTS: We found that, in lung tissue, 4q24 polymorphisms associated with lung function correlate with INTS12 but not neighbouring GSTCD expression...
March 23, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28335527/metabolic-disorder-in-chronic-obstructive-pulmonary-disease-copd-patients-towards-a-personalized-approach-using-marine-drug-derivatives
#5
REVIEW
Palma Lamonaca, Giulia Prinzi, Aliaksei Kisiliaou, Vittorio Cardaci, Massimo Fini, Patrizia Russo
Metabolic disorder has been frequently observed in chronic obstructive pulmonary disease (COPD) patients. However, the exact correlation between obesity, which is a complex metabolic disorder, and COPD remains controversial. The current study summarizes a variety of drugs from marine sources that have anti-obesity effects and proposed potential mechanisms by which lung function can be modulated with the anti-obesity activity. Considering the similar mechanism, such as inflammation, shared between obesity and COPD, the study suggests that marine derivatives that act on the adipose tissues to reduce inflammation may provide beneficial therapeutic effects in COPD subjects with high body mass index (BMI)...
March 20, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28334588/applying-the-chronic-care-model-to-improve-care-and-outcomes-at-a-pediatric-medical-center
#6
Jennifer Lail, Pamela J Schoettker, Denise L White, Bhavna Mehta, Uma R Kotagal
BACKGROUND: Cincinnati Children's Hospital Medical Center launched the Condition Outcomes Improvement Initiative in 2012 to help disease-based teams use the principles of improvement science to implement components of the Chronic Care Model and improve outpatient care delivery for populations of children with chronic and complex conditions. The goal was to improve outcomes by 20% from baseline. METHODS: Initiative activities included review of the evidence to choose and measure outcomes, development of condition-specific patient registries and tools for data collection, patient stratification, planning and coordinating care before and after visits, and self-management support...
March 2017: Joint Commission Journal on Quality and Patient Safety
https://www.readbyqxmd.com/read/28332779/intrafamilial-phenotypic-variability-in-a-polish-family-with-sensenbrenner-syndrome-and-biallelic-wdr35-mutations
#7
Joanna Walczak-Sztulpa, Anna Wawrocka, Agata Sobierajewicz, Lukasz Kuszel, Jan Zawadzki, Ryszard Grenda, Anna Swiader-Lesniak, Beata Kocyla-Karczmarewicz, Anna Wnuk, Anna Latos-Bielenska, Krystyna H Chrzanowska
Sensenbrenner syndrome (cranioectodermal dysplasia, CED) is a very rare autosomal recessive ciliopathy. Cranioectodermal dysplasia is characterized by craniofacial, skeletal, and ectodermal abnormalities. About 50 patients have been described to date. Sensenbrenner syndrome belongs to a group of ciliary chondrodysplasias and is a genetically heterogeneous disorder. Mutations in five genes: IFT122, WDR35, IFT43, WDR19, and IFT52 have been associated with CED. All known genes encode proteins that are part of the intraflagellar transport complex, which plays an important role in the assembly and maintenance of cilia...
March 23, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28331304/does-urinary-peptide-content-differ-between-copd-patients-with-and-without-inherited-alpha-1-antitrypsin-deficiency
#8
Alfonso Carleo, Joanna Chorostowska-Wynimko, Thomas Koeck, Harald Mischak, Małgorzata Czajkowska-Malinowska, Adriana Rozy, Tobias Welte, Sabina Janciauskiene
Differentiating between chronic obstructive pulmonary disease (COPD) patients with normal (PiMM) or deficient (PiZZ) genetic variants of alpha-1 antitrypsin (A1AT) is important not only for understanding the pathobiology of disease progression but also for improving personalized therapies. This pilot study aimed to investigate whether urinary peptides reflect the A1AT-related phenotypes of COPD. Urine samples from 19 clinically stable COPD cases (7 PiMM and 12 PiZZ A1AT) were analyzed by capillary electrophoresis coupled to mass spectrometry...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28330950/pressure-overload-leads-to-an-increased-accumulation-and-activity-of-mast-cells-in-the-right-ventricle
#9
Himal Luitel, Akylbek Sydykov, Yves Schymura, Argen Mamazhakypov, Wiebke Janssen, Kabita Pradhan, Astrid Wietelmann, Djuro Kosanovic, Bhola Kumar Dahal, Norbert Weissmann, Werner Seeger, Friedrich Grimminger, Hossein Ardeschir Ghofrani, Ralph Theo Schermuly
Right ventricular (RV) remodeling represents a complex set of functional and structural adaptations in response to chronic pressure or volume overload due to various inborn defects or acquired diseases and is an important determinant of patient outcome. However, the underlying molecular mechanisms remain elusive. We investigated the time course of structural and functional changes in the RV in the murine model of pressure overload-induced RV hypertrophy in C57Bl/6J mice. Using magnetic resonance imaging, we assessed the changes of RV structure and function at different time points for a period of 21 days...
March 2017: Physiological Reports
https://www.readbyqxmd.com/read/28330686/imaging-of-acute-and-chronic-thromboembolic-disease-state-of-the-art
#10
REVIEW
A Ruggiero, N J Screaton
Acute pulmonary embolism (PE) is a life-threatening condition that requires prompt diagnosis and treatment. Recent advances in imaging allow acute and rapid recognition even by the non-specialist radiologist. Most acute emboli resolve on anticoagulation without sequelae; however, some emboli fail to fully resolve becoming endothelialised with the development of chronic thromboembolic disease (CTED). Increased pulmonary vascular resistance arising from CTED may lead to chronic thromboembolic pulmonary hypertension (CTEPH) a debilitating disease affecting up to 5% of survivors of acute PE...
March 19, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28330486/relationships-between-structure-process-and-outcome-to-assess-quality-of-integrated-chronic-disease-management-in-a-rural-south-african-setting-applying-a-structural-equation-model
#11
Soter Ameh, Francesc Xavier Gómez-Olivé, Kathleen Kahn, Stephen M Tollman, Kerstin Klipstein-Grobusch
BACKGROUND: South Africa faces a complex dual burden of chronic communicable and non-communicable diseases (NCDs). In response, the Integrated Chronic Disease Management (ICDM) model was initiated in primary health care (PHC) facilities in 2011 to leverage the HIV/ART programme to scale-up services for NCDs, achieve optimal patient health outcomes and improve the quality of medical care. However, little is known about the quality of care in the ICDM model. The objectives of this study were to: i) assess patients' and operational managers' satisfaction with the dimensions of ICDM services; and ii) evaluate the quality of care in the ICDM model using Avedis Donabedian's theory of relationships between structure (resources), process (clinical activities) and outcome (desired result of healthcare) constructs as a measure of quality of care...
March 23, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28329788/defining-health-trajectories-in-older-adults-with-five-clinical-indicators
#12
Giola Santoni, Alessandra Marengoni, Amaia Calderón-Larrañaga, Sara Angleman, Debora Rizzuto, Anna-Karin Welmer, Francesca Mangialasche, Nicola Orsini, Laura Fratiglioni
Background: People age differently, challenging the identification of those more at risk of rapid health deterioration. This study aimed to explore the heterogeneity in the health of older adults by using five clinical indicators to detect age-related variation and individual health trajectories over time. Methods: Health of 3,363 people aged 60+ from the Swedish National study on Aging and Care-Kungsholmen (SNAC-K) assessed at baseline and at 3- and 6-year follow-ups...
October 19, 2016: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28329147/a-claims-based-examination-of-health-care-costs-among-spouses-of-patients-with-alzheimer-s-disease
#13
Daniel M Gilden, Joanna M Kubisiak, Kristin Kahle-Wrobleski, Daniel E Ball, Lee Bowman
Background: Spouses of Alzheimer's disease patients (AD spouses) may experience substantial health effects associated with their partner's chronic cognitive and behavioral dysfunction. Studies examining associations between the medical experiences of AD spouses in the period before and after their partner's AD diagnosis are limited, particularly those which measure health care resource use and cost. Methods: AD patients were identified through multiple Medicare claims containing an AD diagnostic code...
March 16, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28328097/markers-of-iron-status-in-chronic-kidney-disease
#14
Adam E Gaweda
Anemia is one of the main comorbidities related to chronic kidney disease (CKD). Until the advent of erythropoiesis stimulating agents (ESA), endogenous erythropoietin deficiency has been thought to be the main culprit of anemia in CKD patients. The use of ESAs has shed new light on the physiology of CKD anemia, where iron homeostasis plays an increasingly important role. Disorders of iron homeostasis occurring in CKD turn the anemia management in those patients into a complex multifactorial therapeutic task, where ESA and Iron dose must be properly balanced to achieve the desired outcome without exposing the patients to the risk of serious adverse events...
March 22, 2017: Hemodialysis International
https://www.readbyqxmd.com/read/28328075/role-of-amino-acids-in-rheumatoid-arthritis-studied-by-metabolomics
#15
Min He, Amy C Harms, Eduard van Wijk, Mei Wang, Ruud Berger, Slavik Koval, Thomas Hankemeier, Jan van der Greef
BACKGROUND: Rheumatoid arthritis (RA) is a complex, chronic autoimmune disease characterized by various inflammatory symptoms, including joint swelling, joint pain, and both structural and functional joint damage. The most commonly used animal model for studying RA is mice with collagen-induced arthritis (CIA); the wide use of this model is due primarily to many similarities with RA in human patients. Metabolomics is used increasingly in biological studies for diagnosing disease and for predicting and evaluating drug interventions, as a large number of disease-associated metabolites can be analyzed and interpreted from a biological perspective...
March 22, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28326574/tumour-epithelial-and-stromal-characteristics-of-hepatocellular-carcinomas-with-abundant-fibrous-stroma-fibrolamellar-versus-scirrhous-hepatocellular-carcinoma
#16
Young-Joo Kim, Hyungjin Rhee, Jeong Eun Yoo, Venancio A F Alves, Gi Jeong Kim, Hye Min Kim, Paulo Herman, Aline Chagas, Haeryoung Kim, Young Nyun Park
AIMS: The scirrhous variant of hepatocellular carcinoma (S-HCC) and fibrolamellar HCC (FL-HCC) are less common subtypes of HCC that are characterised by abundant fibrous stroma. Here, we aimed to investigate differences in the tumour microenvironment and the tumour epithelial cell characteristics of S-HCC and FL-HCC. METHODS AND RESULTS: Whole tissue sections of 17 S-HCCs and 9 FL-HCCs were subjected to immunohistochemical stains for K7, K19, EpCAM, CD56/NCAM, CD163, CD68, pSTAT3, FAP, CCN2 and Ki-67...
March 22, 2017: Histopathology
https://www.readbyqxmd.com/read/28325746/dietary-emulsifiers-directly-alter-human-microbiota-composition-and-gene-expression-ex-vivo-potentiating-intestinal-inflammation
#17
Benoit Chassaing, Tom Van de Wiele, Jana De Bodt, Massimo Marzorati, Andrew T Gewirtz
OBJECTIVE: The intestinal microbiota plays a central role in the development of many chronic inflammatory diseases including IBD and metabolic syndrome. Administration of substances that alter microbiota composition, including the synthetic dietary emulsifiers polysorbate 80 (P80) and carboxymethylcellulose (CMC), can promote such inflammatory disorders. However, that inflammation itself impacts microbiota composition has obfuscated defining the extent to which these compounds or other substances act directly upon the microbiota versus acting on host parameters that promote inflammation, which subsequently reshapes the microbiota...
March 21, 2017: Gut
https://www.readbyqxmd.com/read/28325551/patient-related-risk-factors-for-infection-following-knee-arthroscopy-an-analysis-of-over-700-000-patients-from-two-large-databases
#18
Jourdan M Cancienne, Harrison S Mahon, Ian J Dempsey, Mark D Miller, Brian C Werner
BACKGROUND: To determine patient-related risk factors for infection following knee arthroscopy using two large databases. METHODS: A private-payer (PP) and Medicare national insurance database were queried for patients undergoing simple knee arthroscopy procedures from 2005 to 2015. Patients undergoing concomitant open or complex procedures with grafts were excluded. Postoperative infection within 90days was assessed using ICD-9 and CPT codes. A multivariate logistic regression analysis was utilized to evaluate patient-related risk factors for postoperative infection...
March 18, 2017: Knee
https://www.readbyqxmd.com/read/28324506/induction-of-site-specific-oxidative-damage-at-telomeres-by-killerred-fused-shelretin-proteins
#19
Rong Tan, Li Lan
Chronic oxidative stress is the major endogenous metabolic stress and contributes directly to telomere shortening and senescence. Understanding the dysfunction of telomeres under oxidative stress will greatly facilitate healthy aging and advance the treatment of aging-related diseases. Here, we describe the KR-TEL (KillerRed induced DNA damage at telomeres) system that induces site-specific oxidative damage at telomeres. We have developed the KR-TEL system by fusing killerred with the shelterin component TRF1 (KR-TRF1) or other shelterin proteins...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28323866/elevated-fecal-peptidase-d-at-onset-of-colitis-in-galphai2-mice-a-mouse-model-of-ibd
#20
Daniel Bergemalm, Robert Kruse, Maria Sapnara, Jonas Halfvarson, Elisabeth Hultgren Hörnquist
BACKGROUND: The identification of novel fecal biomarkers in inflammatory bowel disease (IBD) is hampered by the complexity of the human fecal proteome. On the other hand, in experimental mouse models there is probably less variation. We investigated the fecal protein content in mice to identify possible biomarkers and pathogenic mechanisms. METHODS: Fecal samples were collected at onset of inflammation in Galphai2-/- mice, a well-described spontaneous model of chronic colitis, and from healthy littermates...
2017: PloS One
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