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https://www.readbyqxmd.com/read/28637305/left-atrial-structure-and-function-in-cardiac-amyloidosis
#1
Kotaro Nochioka, Candida Cristina Quarta, Brian Claggett, Gabriela Querejeta Roca, Claudio Rapezzi, Rodney H Falk, Scott D Solomon
Aims: Although cardiac amyloidosis (CA) is characterized by significant left atrial (LA) dilatation, the characteristics of LA function remain to be fully investigated. Methods and results: We assessed LA function by speckle-tracking echocardiography in 124 patients with CA and sinus rhythm: 68 with light chain (AL), 29 with mutant (ATTRm), 27 with wild-type (ATTRwt) transthyretin amyloidosis. Conventional and strain-derived parameters, including LA peak longitudinal strain (LS) and strain rate (peak LSR: reservoir function; early LSR: conduit function; late LSR: active function), were assessed compared between CA patients and 20 healthy controls of similar age and gender...
June 16, 2017: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/28637226/epidemiologic-risk-factors-for-in-situ-and-invasive-breast-cancer-among-postmenopausal-women-in-the-nih-aarp-diet-and-health-study
#2
Maeve Mullooly, Zeina G Khodr, Cher M Dallal, Sarah J Nyante, Mark E Sherman, Roni Falk, Linda M Liao, Jeffrey Love, Louise A Brinton, Gretchen L Gierach
Comparing risk factor associations between invasive breast cancers and possible precursors may further understanding of factors related to initiation versus progression. Accordingly, among 190,325 postmenopausal participants in the National Institutes of Health-AARP Diet and Health Study (1995-2011), we compared risk factor associations between incident ductal carcinoma in situ (DCIS: n = 1,453) and invasive ductal carcinomas (n = 7,525) and lobular carcinoma in situ (LCIS: n = 186) and invasive lobular carcinomas (n = 1,191)...
June 16, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28637115/ruptured-carotid-ophthalmic-aneurysm-treatment-a-non-inferiority-meta-analysis-comparing-endovascular-coiling-and-surgical-clipping
#3
Alberto Falk Delgado, Tommy Andersson, Anna Falk Delgado
INTRODUCTION: Aneurysms of the carotid-ophthalmic segment are relatively rare, comprising only five percent of all intracranial aneurysms. There is no consensus regarding the optimal management for ruptured carotid-ophthalmic aneurysms, whether endovascular coiling or surgical clipping provide the most favourable patient outcome. The aim of this meta-analysis is to analyse these two treatment modalities for ruptured carotid-ophthalmic aneurysms with respect to independent clinical outcome...
March 2, 2017: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/28634830/the-microrna-effector-rna-induced-silencing-complex-in-hidradenitis-suppurativa-a-significant-dysregulation-within-active-inflammatory-lesions
#4
S Hessam, M Sand, M Skrygan, Falk G Bechara
Recently, we could show that the expression levels of the key regulators of the microRNA (miRNA) maturation and transport were dysregulated in inflamed hidradenitis suppurativa (HS) tissue (Heyam et al. in Wiley Interdiscip Rev RNA 6:271-289, 2015). The RNA-induced silencing complex (RISC) is the central element of the miRNA pathway and regulates miRNA formation and function. We investigated the expression of the RISC components, namely transactivation-responsive RNA-binding protein-1 (TRBP1), TRBP2, protein activator (PACT) of the interferon-induced protein kinase R, Argonaute RISC Catalytic Component-1 (AGO1) and Component-2 (AGO2), metadherin, and staphylococcal nuclease and Tudor domain-containing-1 (SND1) in inflamed HS tissue compared to healthy and psoriatic controls by real-time reverse transcription polymerase chain reaction...
June 20, 2017: Archives of Dermatological Research
https://www.readbyqxmd.com/read/28634218/high-quality-statin-trials-support-the-2013-acc-aha-cholesterol-guidelines-after-hope-3-the-multi-ethnic-study-of-atherosclerosis
#5
Martin B Mortensen, Matthew J Budoff, Dong Li, Khurram Nasir, Michael J Blaha, Veit Sandfort, Carlos J Rodriguez, Pamela Ouyang, Erling Falk
The 2013 American College of Cardiology/American Heart Association (ACC/AHA) guideline on cholesterol treatment to prevent atherosclerotic cardiovascular disease (ASCVD) has been criticized for lowering the risk thresholds for primary prevention with statin therapy. Although the ≥ 7.5% (class I) and ≥ 5% (class IIa) 10-year ASCVD risk thresholds were identified as new indications for treatment by extrapolating results obtained in randomized controlled trials (RCT) of statin therapy, results from population-based European cohorts indicate that >30% of individuals eligible for statin therapy by class I recommendations do not have RCT data supporting statin efficacy...
June 20, 2017: Circulation
https://www.readbyqxmd.com/read/28631609/autologous-haematopoietic-stem-cell-transplantation-for-systemic-lupus-erythematosus-time-ready-for-a-paradigm-shift
#6
EDITORIAL
Tobias Alexander, Falk Hiepe
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May 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28630622/bowel-ischemia-in-icu-patients-diagnostic-value-of-i-fabp-depends-on-the-interval-to-the-triggering-event
#7
Stefan Ludewig, Rami Jarbouh, Michael Ardelt, Henning Mothes, Falk Rauchfuß, René Fahrner, Jürgen Zanow, Utz Settmacher
BACKGROUND: Intestinal fatty acid-binding protein (I-FABP) has been shown to be of high diagnostic value in patients with acute mesenteric ischemia. Whether these results can be reproduced in critically ill patients on the ICU was to be investigated. MATERIALS AND METHODS: I-FABP was measured in serum and urine of 43 critically ill patients in ICU when mesenteric ischemia was suspected. Bowel ischemia was confirmed in 21 patients (group 1). 22 patients who survived at least seven days without confirmation of ischemia were assigned to group 2...
2017: Gastroenterology Research and Practice
https://www.readbyqxmd.com/read/28630278/synthetic-deletion-of-the-interleukin-23-receptor-il-23r-stalk-region-led-to-autonomous-il-23r-homodimerization-and-activation
#8
Thorben M Hummel, Theresa Ackfeld, Marco Schönberg, Gregor Ciupka, Falk Schulz, Anne Oberdoerster, Joachim Grötzinger, Jürgen Scheller, Doreen M Floss
Interleukin 23 (IL-23) regulates the development of TH17 cells, which are important for antimicrobial and antifungal responses, autoimmune and chronic inflammatory diseases. IL-23-induced Jak/STAT signaling is mediated via the heterodimeric IL-23 receptor (IL-23R):IL-12 receptor β1 (IL-12Rβ1) complex. The typical signal-transducing receptor of the IL-6/IL-12 family contains three extracellular membrane proximal FNIII-type domains, which are not involved in cytokine binding but mandatory for signal transduction...
June 19, 2017: Molecular and Cellular Biology
https://www.readbyqxmd.com/read/28629901/identification-of-the-adenovirus-type-2-c-168-protein
#9
Arina Gromova, Hongxing Zhao, Anne Konzer, Alexander Falk, Ulf Pettersson, Sara Bergström Lind
A hitherto predicted but undetected protein, C-168, in adenovirus type 2 (Ad2) has been identified using mass spectrometry (MS) based proteomics. The gene of this 17.7kDa protein is located on the forward strand in the major late transcription unit between base pairs 9294 and 9797. A tryptic peptide, derived from the C-terminal part of the protein, was identified with high amino acid sequence coverage. A candidate splice site for the corresponding mRNA is also presented. The protein sequence is unusual with repeats of serine, glycine and arginine...
June 16, 2017: Virus Research
https://www.readbyqxmd.com/read/28628650/the-human-cytomegalovirus-glycoprotein-pul11-acts-via-cd45-to-induce-t-cell-il-10-secretion
#10
Jasmin Zischke, Panagiota Mamareli, Claudia Pokoyski, Ildar Gabaev, Sabine Buyny, Roland Jacobs, Christine S Falk, Matthias Lochner, Tim Sparwasser, Thomas F Schulz, Penelope C Kay-Fedorov
Human Cytomegalovirus (HCMV) is a widespread pathogen, infection with which can cause severe disease for immunocompromised individuals. The complex changes wrought on the host's immune system during both productive and latent HCMV infection are well known. Infected cells are masked and manipulated and uninfected immune cells are also affected; peripheral blood mononuclear cell (PBMC) proliferation is reduced and cytokine profiles altered. Levels increase of the anti-inflammatory cytokine IL-10, which may be important for the establishment of HCMV infections and is required for the development of high viral titres by murine cytomegalovirus...
June 19, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28627413/modeling-esophagitis-using-human-three-dimensional-organotypic-culture-system
#11
Dorottya Laczkó, Fang Wang, F Bradley Johnson, Nirag Jhala, András Rosztóczy, Gregory G Ginsberg, Gary W Falk, Anil K Rustgi, John P Lynch
Esophagitis, whether caused by acid reflux, allergic responses, graft-versus-host disease, drugs, or infections, is a common condition of the gastrointestinal tract affecting nearly 20% of the US population. The instigating agent typically triggers an inflammatory response. The resulting inflammation is a risk factor for the development of esophageal strictures, Barrett esophagus, and esophageal adenocarcinoma. Research into the pathophysiology of these conditions has been limited by the availability of animal and human model systems...
June 13, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28624395/statin-trials-cardiovascular-events-and%C3%A2-coronary-artery-calcification-implications-for-a-trial-based-approach-to-statin-therapy-in%C3%A2-mesa
#12
Martin Bødtker Mortensen, Erling Falk, Dong Li, Khurram Nasir, Michael J Blaha, Veit Sandfort, Carlos Jose Rodriguez, Pamela Ouyang, Matthew Budoff
OBJECTIVES: This study sought to determine whether coronary artery calcium (CAC) could be used to optimize statin allocation among individuals for whom trial-based evidence supports efficacy of statin therapy. BACKGROUND: Recently, allocation of statins was proposed for primary prevention of atherosclerotic cardiovascular disease (ASCVD) based on proven efficacy from randomized controlled trials (RCTs) of statin therapy, a so-called trial-based approach. METHODS: The study used data from MESA (Multi-Ethnic Study of Atherosclerosis) with 5,600 men and women, 45 to 84 years of age, and free of clinical ASCVD, lipid-lowering therapy, or missing information for risk factors at baseline examination...
June 9, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28620373/mechanisms-of-autoantibody-induced-pathology
#13
REVIEW
Ralf J Ludwig, Karen Vanhoorelbeke, Frank Leypoldt, Ziya Kaya, Katja Bieber, Sandra M McLachlan, Lars Komorowski, Jie Luo, Otavio Cabral-Marques, Christoph M Hammers, Jon M Lindstrom, Peter Lamprecht, Andrea Fischer, Gabriela Riemekasten, Claudia Tersteeg, Peter Sondermann, Basil Rapoport, Klaus-Peter Wandinger, Christian Probst, Asmaa El Beidaq, Enno Schmidt, Alan Verkman, Rudolf A Manz, Falk Nimmerjahn
Autoantibodies are frequently observed in healthy individuals. In a minority of these individuals, they lead to manifestation of autoimmune diseases, such as rheumatoid arthritis or Graves' disease. Overall, more than 2.5% of the population is affected by autoantibody-driven autoimmune disease. Pathways leading to autoantibody-induced pathology greatly differ among different diseases, and autoantibodies directed against the same antigen, depending on the targeted epitope, can have diverse effects. To foster knowledge in autoantibody-induced pathology and to encourage development of urgently needed novel therapeutic strategies, we here categorized autoantibodies according to their effects...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28619737/acute-massive-gastric-dilatation-causing-ischaemic-necrosis-and-perforation-of-the-stomach
#14
Maitham A Moslim, Jay Mittal, Gavin A Falk, Jeffrey S Ustin, Gareth Morris-Stiff
Acute massive gastric dilatation (AMGD) is a rare distinctive condition but associates with high morbidity and mortality. Though usually seen in patients with eating disorders, many aetiologies of AMGD have been described. The distension has been reported to cause gastric necrosis with or without perforation, usually within 1-2 days of an inciting event of AMGD.We report the case of a 58-year-old male who presented with gastric perforation associated with AMGD 11 days after surgical relief of a proximal small bowel obstruction...
June 15, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28618619/coarse-graining-atomistic-simulations-of-plastically-deforming-amorphous-solids
#15
Adam R Hinkle, Chris H Rycroft, Michael D Shields, Michael L Falk
The primary mode of failure in disordered solids results from the formation and persistence of highly localized regions of large plastic strains known as shear bands. Continuum-level field theories capable of predicting this mechanical response rely upon an accurate representation of the initial and evolving states of the amorphous structure. We perform molecular dynamics simulations of a metallic glass and propose a methodology for coarse graining discrete, atomistic quantities, such as the potential energies of the elemental constituents...
May 2017: Physical Review. E
https://www.readbyqxmd.com/read/28616536/nt-probnp-and-diastolic-left-ventricular-function-in-patients-with-marfan-syndrome
#16
Petra Gehle, Peter N Robinson, Frank Heinzel, Frank Edelmann, Mustafa Yigitbasi, Felix Berger, Volkmar Falk, Burkert Pieske, Ernst Wellnhofer
AIMS: Subclinical diastolic dysfuntion in patients with preclinical heart failure with preserved ejection fraction (HFpEF) has been demonstrated in patients with Marfan syndrome (MFS). We investigated the relationship between diastolic dysfunction and NT-proBNP levels in patients with MFS. METHODS AND RESULTS: NT-proBNP, C-reactive protein (CRP) and diastolic function were assessed in 217 patients with MFS (31 ± 16 y, 110 f. and in 339 patients referred for suspected MFS in whom the diagnosis was ruled out according to the Ghent nosology (30 ± 15 y, 154 f)...
September 2016: IJC Heart & Vasculature
https://www.readbyqxmd.com/read/28614719/systemic-virus-infections-differentially-modulate-cell-cycle-state-and-functionality-of-long-term-hematopoietic-stem-cells-in%C3%A2-vivo
#17
Christoph Hirche, Theresa Frenz, Simon F Haas, Marius Döring, Katharina Borst, Pia-K Tegtmeyer, Ilija Brizic, Stefan Jordan, Kirsten Keyser, Chintan Chhatbar, Eline Pronk, Shuiping Lin, Martin Messerle, Stipan Jonjic, Christine S Falk, Andreas Trumpp, Marieke A G Essers, Ulrich Kalinke
Quiescent long-term hematopoietic stem cells (LT-HSCs) are efficiently activated by type I interferon (IFN-I). However, this effect remains poorly investigated in the context of IFN-I-inducing virus infections. Here we report that both vesicular stomatitis virus (VSV) and murine cytomegalovirus (MCMV) infection induce LT-HSC activation that substantially differs from the effects triggered upon injection of synthetic IFN-I-inducing agents. In both infections, inflammatory responses had to exceed local thresholds within the bone marrow to confer LT-HSC cell cycle entry, and IFN-I receptor triggering was not critical for this activation...
June 13, 2017: Cell Reports
https://www.readbyqxmd.com/read/28612015/oligometastatic-disease-in-pancreatic-cancer-how-to-proceed
#18
REVIEW
Bernhard W Renz, Stefan Boeck, Falk Roeder, Christoph Trumm, Volker Heinemann, Jens Werner
BACKGROUND: Pancreatic cancer is a highly aggressive malignancy and will become the second leading cause of cancer-related death in the USA and also in Germany by 2030. Furthermore, the majority of patients with pancreatic ductal adenocarcinoma (PDAC) will present with distant metastases, limiting surgical management in this population as there is little evidence available to support surgical or ablative treatment options for advanced-stage disease. However, highly selected patients suffering from synchronous and metachronous oligometastatic PDAC may potentially benefit from a surgical resection with an acceptable morbidity...
March 2017: Visceral Medicine
https://www.readbyqxmd.com/read/28610683/variations-over-time-in-the-effects-of-age-and-sex-on-hospitalization-rates-before-and-after-admission-to-a-nursing-home-a-german-cohort-study
#19
Falk Hoffmann, Katharina Allers
OBJECTIVES: We examined hospitalization rates for nursing home residents before and after their entry to the home, stratified by sex and age. STUDY DESIGN: A cohort study was conducted using data from a large health insurance fund on 127,227 residents aged 65 years and over newly admitted to a nursing home between January 1, 2010, and December 31, 2014. MAIN OUTCOME MEASUREMENTS: We assessed hospitalization rates and proportions being hospitalized in 6-month intervals one year before nursing home placement and up to 5 years thereafter...
August 2017: Maturitas
https://www.readbyqxmd.com/read/28609294/computational-mirnomics-integrative-approaches
#20
EDITORIAL
Ralf Hofestädt, Falk Schreiber, Björn Sommer, Jens Allmer
No abstract text is available yet for this article.
June 13, 2017: Journal of Integrative Bioinformatics
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