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https://www.readbyqxmd.com/read/29242144/recent-advances-in-understanding-the-roles-of-blood-platelets-in-the-pathogenesis-of-allergic-inflammation-and-bronchial-asthma
#1
REVIEW
Tomohiro Takeda, Hideaki Morita, Hirohisa Saito, Kenji Matsumoto, Akio Matsuda
Platelets play an essential role in hemostasis to minimize blood loss due to traumatic injury. In addition, they contain various immune-associated molecules and contribute to immunological barrier formation at sites of vascular injury, thereby protecting against invading pathogens. Platelets are also crucially involved in development of allergic diseases, including bronchial asthma. Platelets in asthmatics are more activated than those in healthy individuals. By using a murine asthma model, platelets were shown to be actively involved in progression of the disease, including in airway eosinophilia and airway remodeling...
December 11, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/29242100/takotsubo-is-not-a-cardiomyopathy
#2
Francesco Pelliccia, Gianfranco Sinagra, Perry Elliott, Guido Parodi, Cristina Basso, Paolo G Camici
Unraveling the mechanisms underlying Takotsubo (TTS) leads to question the current inclusion of the condition within the spectrum of cardiomyopathies. Indeed, the clinical presentation and pathophysiology of TTS clearly differ from cardiomyopathies, i.e. diseases of heart muscle unexplained by abnormal loading conditions or coronary artery disease, which cannot recover spontaneously and may cause sudden death often in minimally symptomatic individuals or result in a gradual deterioration in ventricular function and end-stage heart failure...
December 9, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/29241625/vinculin-is-required-to-maintain-glomerular-barrier-integrity
#3
Franziska Lausecker, Xuefei Tian, Kazunori Inoue, Zhen Wang, Christopher E Pedigo, Hossam Hassan, Chang Liu, Margaret Zimmer, Stephanie Jinno, Abby L Huckle, Hellyeh Hamidi, Robert S Ross, Roy Zent, Christoph Ballestrem, Rachel Lennon, Shuta Ishibe
Cell-matrix interactions and podocyte intercellular junctions are key for maintaining the glomerular filtration barrier. Vinculin, a cytoplasmic protein, couples actin filaments to integrin-mediated cell-matrix adhesions and to cadherin-based intercellular junctions. Here, we examined the role of vinculin in podocytes by the generation of a podocyte-specific knockout mouse. Mice lacking podocyte vinculin had increased albuminuria and foot process effacement following injury in vivo. Analysis of primary podocytes isolated from the mutant mice revealed defects in cell protrusions, altered focal adhesion size and signaling, as well as impaired cell migration...
December 11, 2017: Kidney International
https://www.readbyqxmd.com/read/29240786/time-trend-analysis-2009-2016-of-antimicrobial-susceptibility-in-neisseria-gonorrhoeae-isolated-in-italy-following-the-introduction-of-the-combined-antimicrobial-therapy
#4
Paola Stefanelli, Maria Fenicia Vescio, Maria Paola Landini, Ivano Dal Conte, Alberto Matteelli, Antonio Cristaudo, Marina Gaino, Marco Cusini, Anna Maria Barbui, Antonella Mencacci, Rosella De Nittis, Valeria Ghisetti, Elena Stroppiana, Anna Carannante
INTRODUCTION: Neisseria gonorrhoeae (NG) antimicrobial susceptibility trends to azithromycin, cefixime and ceftriaxone were analyzed, from 2009 to 2016, to monitor changing antimicrobial susceptibility concomitant with the change in prescribing practice in 2012 from cefixime, or ceftriaxone, to ceftriaxone plus azithromycin. Patient characteristics predictive to be infected by antibiotic resistant N. gonorrhoeae were estimated. Finally, the protocol for the treatment of gonorrhoea, in comparison with the international guidelines, was also evaluated...
2017: PloS One
https://www.readbyqxmd.com/read/29238879/the-small-vesicular-culprits-the-investigation-of-extracellular-vesicles-as-new-targets-for-cancer-treatment
#5
REVIEW
Fumihiko Urabe, Nobuyoshi Kosaka, Yusuke Yoshioka, Shin Egawa, Takahiro Ochiya
Extracellular vesicles (EVs) are membranous vesicles released from almost all type of cells including cancer cells. EVs transfer their components, such as microRNAs (miRNAs), messenger RNAs, lipids and proteins, from one cell to another, affecting the target cells. Emerging evidence suggests that reciprocal interactions between cancer cells and the cells in their microenvironment via EVs drive disease progression and therapy resistance. Therefore, understanding the roles of EVs in cancer biology will provide us with new opportunities to treat patients...
December 13, 2017: Clinical and Translational Medicine
https://www.readbyqxmd.com/read/29237189/-management-of-penile-cancer-patients-new-aspects-of-a-rare-tumour-entity
#6
M Roiner, O Maurer, S Lebentrau, C Gilfrich, C Schäfer, C Haberl, S D Brookman-May, M Burger, M May, O W Hakenberg
Over the past few decades, some principles in the treatment of penile cancer have changed fundamentally. While 15 years ago a negative surgical margin of at least 2 cm was considered mandatory, organ-sparing surgery permitting minimal negative surgical margins has a high priority nowadays. The current treatment principle requires as much organ preservation as possible and as much radicality as necessary. The implementation of organ-sparing and reconstructive surgical techniques has improved the quality of life of surviving patients...
December 13, 2017: Aktuelle Urologie
https://www.readbyqxmd.com/read/29237055/the-epigenetic-control-of-transposable-elements-and-imprinted-genes-in-newborns-is-affected-by-the-mode-of-conception-art-versus-spontaneous-conception-without-underlying-infertility
#7
C Choux, C Binquet, V Carmignac, C Bruno, C Chapusot, J Barberet, M Lamotte, P Sagot, D Bourc'his, P Fauque
STUDY QUESTION: Do assisted reproductive technologies alter DNA methylation and/or transcription of transposable elements and imprinted genes in cord blood and placenta? SUMMARY ANSWER: After ART, DNA methylation and/or transcription changes of some transposable elements and imprinted genes were found in placenta samples while transcription modifications for some transposable elements were also discovered in cord blood. WHAT IS KNOWN ALREADY: Recent studies have confirmed the increased risk of placenta-related adverse pregnancy outcomes and the excess of imprinted disorders with abnormal methylation patterns after ART, which raises the issue of a potential ART-induced epigenetic risk...
December 11, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29235389/extracellular-genomic-biomarkers-of-osteoarthritis
#8
Emma Budd, Giovanna Nalesso, Ali Mobasheri
Introduction Osteoarthritis (OA), a chronic, debilitating and degenerative disease of the joints, is the most common form of arthritis. The seriousness of this prevalent and chronic disease is often overlooked. Disease modifying OA drug development is hindered by the lack of soluble biomarkers to detect OA early. The objective of OA biomarker research is to identify early OA prior to the appearance of radiographic signs and the development of pain. Areas covered This review has focused on extracellular genomic material that could serve as biomarkers of OA...
December 13, 2017: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/29232043/an-erwinia-amylovora-yjek-mutant-exhibits-reduced-virulence-increased-chemical-sensitivity-and-numerous-environmentally-dependent-proteomic-alterations
#9
Sara Klee, Islam Mostafa, Sixue Chen, Craig Dufresne, Brian L Lehman, Judith P Sinn, Kari A Peter, Timothy W McNellis
The gram-negative bacterium Erwinia amylovora causes fire blight, an economically-important disease of apples and pears. Elongation Factor P (EF-P) is a highly conserved protein that stimulates the formation of the first peptide bond of certain proteins and facilitates translation of certain proteins, including those with polyproline motifs. YjeK and YjeA are two enzymes involved in the essential post-translational β-lysylation of EF-P at a conserved lysine residue, K34. EF-P, YjeA, and YjeK have been shown to be essential for full virulence of Escherichia coli, Salmonella species, and Agrobacterium tumefaciens, with efp, yjeA, and yjeK mutants having highly similar phenotypes...
December 12, 2017: Molecular Plant Pathology
https://www.readbyqxmd.com/read/29229167/glomerular-diseases-in-children
#10
REVIEW
Scott E Wenderfer, Joseph P Gaut
Unique challenges exist in the diagnosis and treatment of glomerular diseases with their onset during childhood. Mounting evidence supports the notion that earlier onset cases occur due to larger numbers of genetic risk alleles. Nearly all causes of adult-onset glomerulonephritis, nephrotic syndrome, and thrombotic microangiopathy have also been described in children, although the prevalence of specific causes differs. Postinfectious glomerulonephritis, Henoch-Schönlein purpura nephritis, and minimal change disease remain the most common causes of glomerular disease in younger children in the United States and can be diagnosed clinically without need for biopsy...
November 2017: Advances in Chronic Kidney Disease
https://www.readbyqxmd.com/read/29228959/micro-structural-bone-changes-in-early-rheumatoid-arthritis-persist-over-1-year%C3%A2-despite-use-of-disease-modifying-anti-rheumatic-drug-therapy
#11
Lynne M Feehan, Linda L Li, Heather A McKay
BACKGROUND: We used High Resolution - peripheral Quantitative CT (HR-pQCT) imaging to examine peri-articular bone quality in early rheumatoid arthritis (RA) and explore whether bone quality improved over 12-months in individuals receiving care consistent with practice guidelines. METHODS: A 1-year longitudinal cohort study (Baseline and 12-months) evaluating individuals with early RA compared to age/sex-matched peers. Personal demographic and health and lifestyle information were collected for all...
December 11, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29226862/the-rationale-and-design-of-the-reducing-pathology-in-alzheimer-s-disease-through-angiotensin-targeting-radar-trial
#12
Patrick G Kehoe, Peter S Blair, Beth Howden, David L Thomas, Ian B Malone, Jeremy Horwood, Clare Clement, Lucy Selman, Hannah Baber, Athene Lane, Elizabeth Coulthard, Anthony Peter Passmore, Nick C Fox, Ian B Wilkinson, Yoav Ben-Shlomo
BACKGROUND: Anti-hypertensives that modify the renin angiotensin system may reduce Alzheimer's disease (AD) pathology and reduce the rate of disease progression. OBJECTIVE: To conduct a phase II, two arm, double-blind, placebo-controlled, randomized trial (ISRCTN: 93682878; EudraCT: 2012-003641-15) of losartan to test the efficacy of Reducing pathology in Alzheimer's Disease through Angiotensin TaRgeting (RADAR). METHODS: Men and women aged at least 55 years with mild-to-moderate AD will be randomly allocated 100 mg encapsulated generic losartan or placebo once daily for 12 months after successful completion of a 2-week open-label phase and 2-week placebo washout to establish drug tolerability...
December 6, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29223956/residual-risk-of-atherosclerotic-cardiovascular-events-in-relation-to-reductions-in-very-low-density-lipoproteins
#13
Patrick R Lawler, Akintunde O Akinkuolie, Paulo Harada, Robert J Glynn, Daniel I Chasman, Paul M Ridker, Samia Mora
BACKGROUND: It is uncertain whether pharmacological reductions in very-low-density lipoproteins (VLDLs), and their component triglyceride and cholesterol could reduce residual risk of atherosclerotic cardiovascular disease (ASCVD) events among individuals in whom low-density lipoprotein cholesterol (LDL-C) has been adequately lowered. We examined whether individuals with greater on-statin reductions in VLDL-related measures-beyond reductions in LDL-C-were at further reduced risk of ASCVD...
December 9, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29223489/platelet-mass-index-can-be-a-reliable-marker-in-predicting-the-prognosis-of-retinopathy-of-prematurity-in-very-preterm-infants
#14
Levent Korkmaz, Osman Baştuğ, Ahmet Özdemir, Sabriye Korkut, Çağatay Karaca, Mustafa Ali Akın, Mehmet Adnan Öztürk
BACKGROUND: Retinopathy of prematurity (ROP) is a proliferative vitreoretinopathy resulting from vascular defect of the retina. The present study evaluates platelets, which are involved in VEGF storage, transport and release, and their functions with regard to the prognosis of the disease. The objective was to suggest a simple minimal invasive method that will facilitate the management of the disease and help clinicians in predicting the prognosis. METHODS: In this single center, retrospective, case-control study, we included a control group consisting of very preterm newborns (n = 83) at risk of ROP and a laser photocoagulation group including infants (n = 63) who received laser therapy during their follow-up examinations...
November 13, 2017: Pediatrics and Neonatology
https://www.readbyqxmd.com/read/29222690/risk-factor-of-contralateral-radiculopathy-following-microendoscopy-assisted-minimally-invasive-transforaminal-lumbar-interbody-fusion
#15
Yang Yang, Zhong-Yu Liu, Liang-Ming Zhang, Jian-Wen Dong, Pei-Gen Xie, Rui-Qiang Chen, Bu Yang, Chang Liu, Bin Liu, Li-Min Rong
PURPOSE: Microendoscopy-assisted minimally invasive transforaminal lumbar interbody fusion (MIS-TLIF) is an advantageous method for treating lumbar degenerative disease; however, some patients show contralateral radiculopathy postoperatively. This study aims to investigate its risk factor. METHODS: A total of 130 cases who underwent microendoscopy-assisted MIS-TLIF at L4-5 level were divided into symptomatic and asymptomatic groups according to the presence of postoperative contralateral radiculopathy...
December 8, 2017: European Spine Journal
https://www.readbyqxmd.com/read/29222688/comparison-of-qualitative-and-quantitative-ct-and-mri-parameters-for-monitoring-of-longitudinal-spine-involvement-in-patients-with-multiple-myeloma
#16
M Horger, J Fritz, W M Thaiss, H Ditt, K Weisel, M Haap, Christopher Kloth
PURPOSE: To compare qualitative and quantitative computed tomography (CT) and magnetic resonance imaging (MRI) parameters for longitudinal disease monitoring of multiple myeloma (MM) of the axial skeleton. MATERIALS AND METHODS: We included 31 consecutive patients (17 m; mean age 59.20 ± 8.08 years) with MM, who underwent all baseline (n = 31) and at least one or more (n = 47) follow-up examinations consisting of multi-parametric non-enhanced whole-body MRI (WBMRI) and non-enhanced whole-body reduced-dose thin-section MDCT (NEWBMDCT) between 06/2013 and 09/2016...
December 8, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/29222625/using-patient-feedback-to-optimize-the-design-of-a-certolizumab-pegol-electromechanical-self-injection-device-insights-from-human-factors-studies
#17
Barbara Domańska, Oliver Stumpp, Steven Poon, Serkan Oray, Irina Mountian, Clovis Pichon
INTRODUCTION: We incorporated patient feedback from human factors studies (HFS) in the patient-centric design and validation of ava®, an electromechanical device (e-Device) for self-injecting the anti-tumor necrosis factor certolizumab pegol (CZP). METHODS: Healthcare professionals, caregivers, healthy volunteers, and patients with rheumatoid arthritis, psoriatic arthritis, ankylosing spondylitis, or Crohn's disease participated in 11 formative HFS to optimize the e-Device design through intended user feedback; nine studies involved simulated injections...
December 8, 2017: Advances in Therapy
https://www.readbyqxmd.com/read/29221328/uncontrolled-and-under-diagnosed-asthma-in-a-damascus-shelter-during-the-syrian-crisis
#18
Yousser Mohammad, Shaaban Rafea, Youssef Latifeh, Ali Khaddam, Bisher Sawaf, Mhd Ismael Zakaria, Mohammad Sadek Al Masalmeh, Yaser Fawaz, Abdoulraouf Allaham, Imad Almani, Hiba El-Tarcheh, Ayham Ghazal, Ali Zaher, Hala Rifai, Hamed Joumah, S Dresden Glockler-Lauf, Teresa To
Background: Studies have shown that poor shelter or dwelling conditions may lead to deteriorations in health. Those with asthma may be more susceptible to compromised living conditions and stress leading to a higher risk of asthma exacerbations. To describe the asthma control and quality of life of individuals with diagnosed asthma living in a shelter in Damascus, Syria and estimate the prevalence of respiratory symptoms in shelter dwellers without diagnosed asthma. Methods: In this cross-sectional study, all individuals 5 years and older living in Al-Herjalleh shelter with diagnosed asthma were recruited to complete a questionnaire, which included items related to their respiratory symptoms, asthma exacerbations, exposure to asthma triggers, medication use, and health-related quality of life before and since entering the shelter...
September 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29221195/quantification-of-contractile-mechanics-in-the-rat-heart-from-ventricular-pressure-alone
#19
Chih-Hsien Wang, Ru-Wen Chang, Chun-Yi Chang, Ming-Shiou Wu, Hsien-Li Kao, Liang-Chuan Lai, Tai-Horng Young, Hsi-Yu Yu, Yih-Sharng Chen, Kuo-Chu Chang
To quantitate the contractile mechanics of the heart, the ventricle is considered an elastic chamber with known end-systolic elastance (Ees ). Ees can be calculated from a single pressure-ejected volume curve, which requires simultaneous records of left ventricular (LV) pressure and the aortic flow (Qm). In clinical settings, it is helpful to evaluate patients' cardiac contractile status by using a minimally invasive approach to physiological signal monitoring, wherever possible, such as by using LV pressure alone...
November 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29217994/local-fields-in-human-subthalamic-nucleus-track-the-lead-up-to-impulsive-choices
#20
John M Pearson, Patrick T Hickey, Shivanand P Lad, Michael L Platt, Dennis A Turner
The ability to adaptively minimize not only motor but cognitive symptoms of neurological diseases, such as Parkinson's Disease (PD) and obsessive-compulsive disorder (OCD), is a primary goal of next-generation deep brain stimulation (DBS) devices. On the basis of studies demonstrating a link between beta-band synchronization and severity of motor symptoms in PD, the minimization of beta band activity has been proposed as a potential training target for closed-loop DBS. At present, no comparable signal is known for the impulsive side effects of PD, though multiple studies have implicated theta band activity within the subthalamic nucleus (STN), the site of DBS treatment, in processes of conflict monitoring and countermanding...
2017: Frontiers in Neuroscience
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