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https://www.readbyqxmd.com/read/27911952/high-interannual-variability-in-connectivity-and-genetic-pool-of-a-temperate-clingfish-matches-oceanographic-transport-predictions
#1
Maria Klein, Sara Teixeira, Jorge Assis, Ester A Serrão, Emanuel J Gonçalves, Rita Borges
Adults of most marine benthic and demersal fish are site-attached, with the dispersal of their larval stages ensuring connectivity among populations. In this study we aimed to infer spatial and temporal variation in population connectivity and dispersal of a marine fish species, using genetic tools and comparing these with oceanographic transport. We focused on an intertidal rocky reef fish species, the shore clingfish Lepadogaster lepadogaster, along the southwest Iberian Peninsula, in 2011 and 2012. We predicted high levels of self-recruitment and distinct populations, due to short pelagic larval duration and because all its developmental stages have previously been found near adult habitats...
2016: PloS One
https://www.readbyqxmd.com/read/27910006/william-d-hamilton-s-brazilian-lectures-and-his-unpublished-model-regarding-wynne-edwards-s-idea-of-natural-selection-with-a-note-on-pluralism-and-different-philosophical-approaches-to-evolution
#2
Emanuele Coco
In 1975, the English evolutionist William Donald Hamilton (1936-2000) held in Brazil a series of lectures entitled "Population genetics and social behaviour". The unpublished notes of these conferences-written by Hamilton and recently discovered at the British Library-offer an opportunity to reflect on some of the author's ideas about evolution. The year of the conference is particularly significant, as it took place shortly after the applications of the Price equation with which Hamilton was able to build a model that included several levels of selection...
December 2016: History and Philosophy of the Life Sciences
https://www.readbyqxmd.com/read/27909669/reconstruction-of-massive-posterior-nonrepairable-acetabular-labral-tears-with-peroneus-brevis-tendon-allograft-arthroscopy-assisted-mini-open-approach
#3
Esther Moya, Luis Gerardo Natera, Carlomagno Cardenas, Emanuele Astarita, Vittorio Bellotti, Manel Ribas
Many of the described labral-reconstruction procedures are purely arthroscopic. This approach only allows segmentary reconstructions. For more extensive reconstructions, surgical dislocation of the hip still represents the more suitable approach. We present an arthroscopy-assisted procedure combined with an anterior mini-open approach, which could be considered for reconstruction of nonrepairable labral lesions located in the posterior aspect of the acetabulum and massive reconstructions in cases of global-pincer femoroacetabular impingement and protrusio acetabuli...
October 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/27909398/an-amyloid-like-pathological-conformation-of-tdp-43-is-stabilized-by-hypercooperative-hydrogen-bonds
#4
Miguel Mompeán, Marco Baralle, Emanuele Buratti, Douglas V Laurents
TDP-43 is an essential RNA-binding protein forming aggregates in almost all cases of sporadic amyotrophic lateral sclerosis (ALS) and many cases of frontotemporal lobar dementia (FTLD) and other neurodegenerative diseases. TDP-43 consists of a folded N-terminal domain with a singular structure, two RRM RNA-binding domains, and a long disordered C-terminal region which plays roles in functional RNA regulatory assemblies as well as pernicious aggregation. Evidence from pathological mutations and seeding experiments strongly suggest that TDP-43 aggregates are pathologically relevant through toxic gain-of-harmful-function and/or harmful loss-of-native-function mechanisms...
2016: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/27908521/neoplastic-diseases-of-the-small-bowel
#5
REVIEW
Emanuele Rondonotti, Anastasios Koulaouzidis, Diana E Yung, Surekha N Reddy, Julius Georgiou, Marco Pennazio
The incidence of small bowel tumors is increasing over time. Until recently, their diagnosis was delayed and it was often reached only at the time of surgery. New diagnostic tools, such as capsule endoscopy, device-assisted enteroscopy, and dedicated small bowel cross-sectional imaging techniques, have been introduced recently in clinical practice. The combination of these tools allows medical practitioners to detect small bowel tumors at an early stage and to reach a definite diagnosis before surgery, thus enabling minimally invasive treatments...
January 2017: Gastrointestinal Endoscopy Clinics of North America
https://www.readbyqxmd.com/read/27908517/small-bowel-capsule-endoscopy-normal-findings-and-normal-variants-of-the-small-bowel
#6
REVIEW
Marco Pennazio, Emanuele Rondonotti, Anastasios Koulaouzidis
Small bowel capsule endoscopy (SBCE) remains the gold standard for practice for the diagnosis of small bowel disorders. A rather challenging task, for those who start to use this diagnostic modality, is the recognition of the typical anatomic landmarks and the distinction of normal small bowel anatomy from abnormal findings. The reader of SBCE images may also often encounter unusual views of the normal anatomy as well as various artifacts that need to be distinguished from pathologic findings. Experience gained through standard endoscopy is invaluable to the interpretation of capsule examinations; however, formalized training and credentialing in reading competency are essential...
January 2017: Gastrointestinal Endoscopy Clinics of North America
https://www.readbyqxmd.com/read/27906778/the-role-of-prostatic-inflammation-in-the-development-and-progression-of-benign-and-malignant-diseases
#7
Giorgio Gandaglia, Emanuele Zaffuto, Nicola Fossati, Vito Cucchiara, Vincenzo Mirone, Francesco Montorsi, Alberto Briganti
PURPOSE OF REVIEW: To evaluate the role of prostatic inflammation in the development and progression of benign and malignant prostatic diseases. RECENT FINDINGS: Preclinical studies demonstrate that the activation of a chronic inflammatory prostatic response plays an important role in the pathogenesis and progression of benign prostatic hyperplasia (BPH) and prostate cancer (PCa). Approximately 40-70% of patients with BPH-related lower urinary tract symptoms harbour chronic inflammation at pathologic evaluation...
November 30, 2016: Current Opinion in Urology
https://www.readbyqxmd.com/read/27905061/one-third-of-hips-after-periacetabular-osteotomy-survive-30-years-with-good-clinical-results-no-progression-of-arthritis-or-conversion-to-tha
#8
Till Dominic Lerch, Simon Damian Steppacher, Emanuel Francis Liechti, Moritz Tannast, Klaus Arno Siebenrock
BACKGROUND: Since its first description in 1984, periacetabular osteotomy (PAO) has become an accepted treatment for hip dysplasia. The 30-year survivorship with this procedure has not been reported. Because these patients are often very young at the time of surgery, long-term followup and identification of factors associated with poor outcome could help to improve patient selection. QUESTIONS/PURPOSES: Looking at the initial group of patients with hip dysplasia undergoing PAO at the originator's institution, we asked: (1) What is the cumulative 30-year survival rate free from conversion to THA, radiographic progression of osteoarthritis, and/or a Merle d'Aubigné-Postel score < 15? (2) Did hip function improve and pain decrease? (3) Did radiographic osteoarthritis progress? (4) What are the factors associated with one or more of the three endpoints: THA, radiographic progression of osteoarthritis, and/or Merle d'Aubigné-Postel score < 15? METHODS: We retrospectively evaluated the first 63 patients (75 hips) who underwent PAO for hip dysplasia between 1984 and 1987...
November 30, 2016: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/27902938/functional-components-of-the-bacterial-czccba-efflux-system-reduce-cadmium-uptake-and-accumulation-in-transgenic-tobacco-plants
#9
Andrea Nesler, Giovanni DalCorso, Elisa Fasani, Anna Manara, Gian Pietro Di Sansebastiano, Emanuele Argese, Antonella Furini
Cadmium (Cd) is a toxic trace element released into the environment by industrial and agricultural practices, threatening the health of plants and contaminating the food/feed chain. Biotechnology can be used to develop plant varieties with a higher capacity for Cd accumulation (for use in phytoremediation programs) or a lower capacity for Cd accumulation (to reduce Cd levels in food and feed). Here we generated transgenic tobacco plants expressing components of the Pseudomonas putida CzcCBA efflux system. Plants were transformed with combinations of the CzcC, CzcB and CzcA genes, and the impact on Cd mobilization was analysed...
November 27, 2016: New Biotechnology
https://www.readbyqxmd.com/read/27901353/can-new-chemical-therapies-improve-the-management-of-multiple-sclerosis-in-children
#10
Emanuele D'Amico, Aurora Zanghì, Francesco Patti
Pediatric multiple sclerosis (MS) may represent up to 10% of all MS cases. Establishing the diagnosis of MS in a child is complicated by the limited diagnostic criteria and the possibility of significant overlap with acute disseminated encephalomyelitis. Areas covered: This review puts in perspective the potential possibilities given by new pharmacological agents in pediatric MS; focusing on the unmet needs in terms of research development in this field. Expert Opinion: The treatment landscape of MS has dramatically changed in the last 5 years...
November 30, 2016: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/27900718/survival-and-time-to-transplantation-of-peritoneal-dialysis-versus-hemodialysis-for-end-stage-renal-disease-patients-competing-risks-regression-model-in-a-single-italian-center-experience
#11
Marta Rigoni, Emanuele Torri, Giandomenico Nollo, Diana Zarantonello, Alessandro Laudon, Laura Sottini, Giovanni Maria Guarrera, Giuliano Brunori
AIMS: Despite several studies reporting similar outcomes for peritoneal dialysis (PD) and hemodialysis (HD), the former is underused worldwide, with a PD prevalence of 15% in Italy. In 2008, the Unit of Nephrology and Dialysis of the Healthcare Trust of the Autonomous Province of Trento implemented a successful PD program which has increased the proportion of PD incident patients from 7 to 47%. We aimed to assess the effect of this extensive use of PD by comparing HD and PD in terms of survival and time-to-transplantation...
November 29, 2016: Journal of Nephrology
https://www.readbyqxmd.com/read/27899209/with-the-noose-around-the-neck-marine-debris-entangling-otariid-species
#12
Valentina Franco-Trecu, Massimiliano Drago, Helena Katz, Emanuel Machín, Yamandú Marín
Plastic debris in marine environments and its impact on wildlife species is becoming a problem of increasing concern. In pinnipeds, entanglements commonly consist of loops around the neck of non-biodegradable materials from fishing gear or commercial packaging, known as "neck collars". These entanglements can cause injuries, death by suffocation and starvation, and therefore they may add to the overall decrease in population. Our objective was to describe the entanglement of two species of otariids (Arctocephalus australis and Otaria flavescens) in the South West Atlantic Ocean...
November 26, 2016: Environmental Pollution
https://www.readbyqxmd.com/read/27898282/comparative-fingerprinting-of-the-human-microbiota-in-diabetes-and-cardiovascular-disease
#13
Emanuel Vamanu, Diana Pelinescu, Ionela Sarbu
Diabetes and cardiovascular diseases are major causes of morbidity and mortality worldwide, and are associated with changes in the human gut microbiota. To better understand the relationships between diet, disease, and the colonic microbiome, we used the in vitro GIS1 system and repetitive element palindromic polymerase chain reaction (rep-PCR) to determine the microbial fingerprints in individuals with these diseases and compared them with the fingerprints in healthy controls. Clear differences were apparent in the three groups...
November 29, 2016: Journal of Medicinal Food
https://www.readbyqxmd.com/read/27898166/neither-10-nor-14-day-sequential-treatment-is-better-than-standard-triple-therapy-for-helicobacter-pylori-eradication
#14
Emanuel Warrington, Orlando López-Román, Rafael Tirado Montijo, Rafael Urbina, Marcia Cruz-Correa, Doris H Toro
OBJECTIVE: Helicobacter pylori is a bacterial pathogen associated with chronic gastritis, peptic ulcer disease, gastric adenocarcinoma, and gastric mucosa associated lymphoid tissue lymphoma. Current treatment guidelines support a 7- to 14-day, triple-drug protocol consisting of a proton-pump inhibitor (PPI), clarithromycin, and either amoxicillin or an imidazole. The initial eradication rates for this regimen were 80 to 90%. Nevertheless its effectiveness has declined as the antibiotic resistance to clarithromycin and metronidazole has emerged...
December 2016: Puerto Rico Health Sciences Journal
https://www.readbyqxmd.com/read/27898055/increased-dna-methylation-variability-in-type-1-diabetes-across-three-immune-effector-cell-types
#15
Dirk S Paul, Andrew E Teschendorff, Mary A N Dang, Robert Lowe, Mohammed I Hawa, Simone Ecker, Huriya Beyan, Stephanie Cunningham, Alexandra R Fouts, Anita Ramelius, Frances Burden, Samantha Farrow, Sophia Rowlston, Karola Rehnstrom, Mattia Frontini, Kate Downes, Stephan Busche, Warren A Cheung, Bing Ge, Marie-Michelle Simon, David Bujold, Tony Kwan, Guillaume Bourque, Avik Datta, Ernesto Lowy, Laura Clarke, Paul Flicek, Emanuele Libertini, Simon Heath, Marta Gut, Ivo G Gut, Willem H Ouwehand, Tomi Pastinen, Nicole Soranzo, Sabine E Hofer, Beate Karges, Thomas Meissner, Bernhard O Boehm, Corrado Cilio, Helena Elding Larsson, Åke Lernmark, Andrea K Steck, Vardhman K Rakyan, Stephan Beck, R David Leslie
The incidence of type 1 diabetes (T1D) has substantially increased over the past decade, suggesting a role for non-genetic factors such as epigenetic mechanisms in disease development. Here we present an epigenome-wide association study across 406,365 CpGs in 52 monozygotic twin pairs discordant for T1D in three immune effector cell types. We observe a substantial enrichment of differentially variable CpG positions (DVPs) in T1D twins when compared with their healthy co-twins and when compared with healthy, unrelated individuals...
November 29, 2016: Nature Communications
https://www.readbyqxmd.com/read/27897412/systemic-inflammation-body-composition-and-physical-performance-in-old-community-dwellers
#16
Riccardo Calvani, Federico Marini, Matteo Cesari, Thomas W Buford, Todd M Manini, Marco Pahor, Christiaan Leeuwenburgh, Roberto Bernabei, Francesco Landi, Emanuele Marzetti
BACKGROUND: Chronic inflammation, changes in body composition, and declining physical function are hallmarks of the ageing process. The aim of the present study was to provide a preliminary characterisation of the relationship among these age-related phenomena via multivariate modelling. METHODS: Thirty-five old adults (OAs) and 17 young adults (YAs) were enrolled. The volume of skeletal muscle, subcutaneous adipose tissue (SAT), and intermuscular adipose tissue (IMAT) of the thigh was quantified by three-dimensional magnetic resonance imaging...
August 8, 2016: Journal of Cachexia, Sarcopenia and Muscle
https://www.readbyqxmd.com/read/27897392/toll-like-receptor-4-signalling-mediates-inflammation-in-skeletal-muscle-of-patients-with-chronic-kidney-disease
#17
Daniela Verzola, Alice Bonanni, Antonella Sofia, Fabrizio Montecucco, Elena D'Amato, Valeria Cademartori, Emanuele Luigi Parodi, Francesca Viazzi, Chiara Venturelli, Giuliano Brunori, Giacomo Garibotto
BACKGROUND: Inflammation in skeletal muscle is implicated in the pathogenesis of insulin resistance and cachexia but why uremia up-regulates pro-inflammatory cytokines is unknown. Toll-like receptors (TLRs) regulate locally the innate immune responses, but it is unknown whether in chronic kidney disease (CKD) TLR4 muscle signalling is altered. The aim of the study is to investigate whether in CKD muscle, TLRs had abnormal function and may be involved in transcription of pro-inflammatory cytokine...
October 18, 2016: Journal of Cachexia, Sarcopenia and Muscle
https://www.readbyqxmd.com/read/27896760/opportunities-and-challenges-of-multiplex-assays-a-machine-learning-perspective
#18
Junfang Chen, Emanuel Schwarz
Multiplex assays that allow the simultaneous measurement of multiple analytes in small sample quantities have developed into a widely used technology. Their implementation spans across multiple assay systems and can provide readouts of similar quality as the respective single-plex measures, albeit at far higher throughput. Multiplex assay systems are therefore an important element for biomarker discovery and development strategies but analysis of the derived data can face substantial challenges that may limit the possibility of identifying meaningful biological markers...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27896759/identification-and-clinical-translation-of-biomarker-signatures-statistical-considerations
#19
Emanuel Schwarz
Powerful machine learning tools exist to extract biological patterns for diagnosis or prediction from high-dimensional datasets. Simultaneous advances in high-throughput profiling technologies have led to a rapid acceleration of biomarker discovery investigations across all areas of medicine. However, the translation of biomarker signatures into clinically useful tools has thus far been difficult. In this chapter, several important considerations are discussed that influence such translation in the context of classifier design...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27895395/mesenchymal-stromal-cell-based-therapy-regulatory-and-translational-aspects-in-gastroenterology
#20
REVIEW
Giovanni Dothel, Emanuel Raschi, Roberto Rimondini, Fabrizio De Ponti
The past decade has witnessed an outstanding scientific production focused towards the possible clinical applications of mesenchymal stromal cells (MSCs) in autoimmune and chronic inflammatory diseases. This raised the need of novel standards to adequately address quality, efficacy and safety issues of this advanced therapy. The development of a streamlined regulation is currently hampered by the complexity of analyzing dynamic biological entities rather than chemicals. Although numerous pieces of evidence show efficacy in reducing intestinal inflammation, some inconsistencies between the mechanisms of action of rodent vs human MSCs suggest caution before assigning translational value to preclinical studies...
November 7, 2016: World Journal of Gastroenterology: WJG
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