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https://www.readbyqxmd.com/read/27911420/-role-of-immunological-factors-in-the-development-of-myopic-choroidal-neovascularization
#1
A G Shchuko, N V Zaitseva, T N Yur'eva, E R Chernykh, I M Mikhalevich, A V Grigor'eva
AIM: To study the concentration of cytokines in the aqueous humor of the anterior chamber in patients with myopic choroidal neovascularization (mCNV) and to compare the results to their ophthalmic status. MATERIAL AND METHODS: A total of 19 patients (19 eyes) with mCNV treated with intravitreal ranibizumab were included in the study. The control group consisted of 15 patients (15 eyes) with myopia who had cataract surgery. Age, sex, and refractive error distribution were similar to that in the study group...
2016: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/27908670/proteome-of-the-rete-testis-fluid-from-tropically-adapted-morada-nova-rams
#2
Mauricio Fraga van Tilburg, Solange Damasceno Sousa, Révila Bianca Ferreira de Melo, Frederico B Moreno, Ana Cristina Monteiro-Moreira, Renato A Moreira, Arlindo de Alencar Moura
The rete testis has a close relationship with sperm development and may have other functions besides serving as an intercalated channel. The aim of this study was to identify and characterize the proteins of rete testis fluid (RTF) from tropically-adapted Morada Nova rams. Testicles obtained from six Morada Nova rams were dissected and the head of the epididymis was separated to access the efferent ducts. Rete testis fluid was obtained by gentle massage of the testis. The fluid was centrifuged to remove cell debris and sperm...
November 22, 2016: Animal Reproduction Science
https://www.readbyqxmd.com/read/27908180/a-novel-approach-to-evaluate-spatial-resolution-of-mri-clinical-images-for-optimization-and-standardization-of-breast-screening-protocols
#3
Marco Borri, Erica D Scurr, Cheryl Richardson, Marianne Usher, Martin O Leach, Maria A Schmidt
PURPOSE: Stringent quality assurance is required in MRI breast screening to ensure that different scanners and imaging protocols reach similar diagnostic performance. The authors propose a methodology, based on power spectrum analysis (PSA), to evaluate spatial resolution in clinical images. To demonstrate this approach, the authors have retrospectively compared two MRI sequences commonly employed in breast screening. METHODS: In a novel approach to PSA, spatial frequency response curves (SFRCs) were extracted from the images...
December 2016: Medical Physics
https://www.readbyqxmd.com/read/27908173/pacemaker-and-icd-oversensing-induced-by-movements-near-the-mri-scanner-bore
#4
E Mattei, F Censi, G Calcagnini, R Falsaperla, E Genovese, A Napolitano, V Cannatà
PURPOSE: The effect of the movement near the MRI scanner bore for people with a pacemaker (PM) or an implantable cardioverter defibrillator (ICD) is experimentally evaluated and discussed. METHODS: The authors performed in vitro measurements on a saline-filled human-shaped phantom (male, 170 cm height), equipped first with an MR-conditional PM (bicameral configuration, DDD programming), then with an MR-conditional ICD (biventricular configuration, detection algorithms enable but shock delivery disable)...
December 2016: Medical Physics
https://www.readbyqxmd.com/read/27906789/radon-and-thoron-in-air-occupational-exposure-study-within-selected-wine-cellars-of-the-western-cape-south-africa-and-associated-annual-effective-doses
#5
R Botha, R T Newman, R Lindsay, P P Maleka
This is the first known study of exposure of Rn (radon) and secondarily Rn (thoron) in-air activity concentrations assessed within nine selected wine cellars in four wine districts of the Western Cape (South Africa) and the associated annual occupational effective doses. E-PERM electret ion chambers (EIC) and RAD-7 α-detectors were used to perform these measurements. The radon in-air levels ranged from 12 ± 4 Bq m to 770 ± 40 Bq m within the nine selected wine cellars. Eight of the nine wine cellars (excluding results from cellar w-6) had a median radon in-air activity concentration of 48 ± 8 Bq m...
January 2017: Health Physics
https://www.readbyqxmd.com/read/27905966/rapid-assessment-of-disability-in-the-philippines-understanding-prevalence-well-being-and-access-to-the-community-for-people-with-disabilities-to-inform-the-w-dare-project
#6
Manjula Marella, Alexandra Devine, Graeme Ferdinand Armecin, Jerome Zayas, Ma Jesusa Marco, Cathy Vaughan
BACKGROUND: International recognition that people with disabilities were excluded from the Millennium Development Goals has led to better inclusion of people with disabilities in the recently agreed Global Goals for Sustainable Development (SDGs) 2015-2030. Given the current global agenda for disability inclusion, it is crucial to increase the understanding of the situation of people with disabilities in the Philippines. The aim of this study was to estimate the prevalence of disability and compare the well-being and access to the community between people with and without disabilities...
August 2, 2016: Population Health Metrics
https://www.readbyqxmd.com/read/27905670/induced-pluripotent-stem-cells-as-a-new-getaway-for-bone-tissue-engineering-a-systematic-review
#7
REVIEW
Farshid Bastami, Pantea Nazeman, Hamidreza Moslemi, Maryam Rezai Rad, Kazem Sharifi, Arash Khojasteh
OBJECTIVES: Mesenchymal stem cells (MSCs) are frequently used for bone regeneration, however, they are limited in quantity. Moreover, their proliferation and differentiation capabilities reduce during cell culture expansion. Potential application of induced pluripotent stem cells (iPSCs) has been reported as a promising alternative source for bone regeneration. This study aimed to systematically review the available literature on osteogenic potential of iPSCs and to discuss methods applied to enhance their osteogenic potential...
December 1, 2016: Cell Proliferation
https://www.readbyqxmd.com/read/27905054/crosstalk-between-shh-and-stemness-state-signaling-pathways-in-esophageal-squamous-cell-carcinoma
#8
Maryam Najafi, Mohammad Reza Abbaszadegan, Abolfazl Rad, Mahtab Dastpak, Samaneh Boroumand-Noughabi, Mohammad Mahdi Forghanifard
The expression of GLI1 as a downstream gene of sonic hedgehog (Hh) pathway, studied in a variety of cancers including esophageal squamous cell carcinoma (ESCC). However, the interaction of Hh with other developmental pathways needs to be elucidated. In this study, we aimed to investigate the correlation of GLI1 expression with transcription factors (TFs) of stem cell signaling pathways, and their association with clinico-pathological data of ESCC. Using real-time PCR, we assessed the expression of GLI1 mRNA in 49 ESCC patients, and analyzed the correlation between GLI1 and selected TFs...
November 30, 2016: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/27900100/avoidance-of-unnecessary-fine-needle-aspiration-with-the-use-of-the-thyroid-imaging-reporting-data-system-classification-and-strain-elastography-based-on-the-bethesda-system-for-reporting-thyroid-cytopathology
#9
Murat Erkan, Sule Canberk, Gamze Z Kilicoglu, Mine Onenerk, Atay Uludokumaci, Pembegul Gunes, Tugba Atasoy
Thyroid fine-needle aspiration (FNA) biopsy has been widely accepted as an accurate and cost-effective tool in the management of thyroid nodules. To avoid unnecessary FNAs and provide appropriate management, patient evaluation should be based on a multidisciplinary approach. For this purpose, the Thyroid Imaging Reporting and Data System (TI-RADS) and strain elastography (SE) were proposed as tools for the risk assessment of malignancy in thyroid nodules. The aim of the present study was to analyze the utility of TI-RADS system and SE, along with FNA, and prospectively evaluate 369 consecutive patients referred for FNA of a thyroid nodule...
November 2016: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/27898247/challenges-for-the-maintenance-and-cryopreservation-of-multiple-isolates-of-model-microorganisms-an-example-using-the-marine-diatom-skeletonema-marinoi
#10
John G Day, Simon Tytor, Jenny Egardt, Monica Applegren, Cecilia Rad-Menéndez, Olga Chepurnova, Wim Vyverman, Anna Godhe
Modern genomic and metabolomic tools have provided the possibility of generating and interrogating large datasets that can provide answers to previously imponderable taxonomic, evolutionary, ecological, and physiological questions. However, the curatorial tools needed to provide and maintain the relevant biological resources on which new knowledge can be built have not kept pace with this meteoric rise in scientific capacity, its associated activity, or the huge increase in published science. The availability of biological material of guaranteed identity and quality in Biological Resource Centers is fundamental for scientific research, but it crucially depends on there being adequate preservation/maintenance methods that are capable of ensuring phenotypic, genotypic, and functional security of the biological material(s)...
November 29, 2016: Biopreservation and Biobanking
https://www.readbyqxmd.com/read/27896823/estimation-of-state-occupancy-probabilities-in-multistate-models-with-dependent-intermittent-observation-with-application-to-hiv-viral-rebounds
#11
N Nazeri Rad, J F Lawless
In follow-up studies on chronic disease cohorts, individuals are often observed at irregular visit times that may be related to their previous disease history and other factors. This can produce bias in standard methods of estimation. Working in the context of multistate models, we consider a method of nonparametric estimation for state occupancy probabilities that adjusts for dependent follow-up through the use of inverse-intensity-of-visit weighted estimating functions and smoothing. The methodology is applied to the estimation of viral rebound probabilities in the Canadian Observational Cohort on HIV-positive persons...
November 28, 2016: Statistics in Medicine
https://www.readbyqxmd.com/read/27896471/contrast-enhanced-spectral-mammography-vs-mammography-and-mri-clinical-performance-in-a-multi-reader-evaluation
#12
Eva M Fallenberg, Florian F Schmitzberger, Heba Amer, Barbara Ingold-Heppner, Corinne Balleyguier, Felix Diekmann, Florian Engelken, Ritse M Mann, Diane M Renz, Ulrich Bick, Bernd Hamm, Clarisse Dromain
OBJECTIVES: To compare the diagnostic performance of contrast-enhanced spectral mammography (CESM) to digital mammography (MG) and magnetic resonance imaging (MRI) in a prospective two-centre, multi-reader study. METHODS: One hundred seventy-eight women (mean age 53 years) with invasive breast cancer and/or DCIS were included after ethics board approval. MG, CESM and CESM + MG were evaluated by three blinded radiologists based on amended ACR BI-RADS criteria...
November 28, 2016: European Radiology
https://www.readbyqxmd.com/read/27895868/immunohistochemical-subtypes-of-breast-cancer-correlation-with-clinicopathological-and-radiological-factors
#13
Yu-Mee Sohn, Kyunghwa Han, Mirinae Seo
BACKGROUND: The relationship between biomarkers and imaging features is important because imaging findings can predict molecular features. OBJECTIVES: To investigate the relationship between clinicopathologic and radiologic factors and the immunohistochemical (IHC) profiles associated with breast cancer. PATIENTS AND METHODS: From December 2004 to September 2013, 200 patients (mean age, 56 years; range, 29 - 82 years) were diagnosed with breast cancer and underwent surgery at our institution...
October 2016: Iranian Journal of Radiology: a Quarterly Journal Published By the Iranian Radiological Society
https://www.readbyqxmd.com/read/27895850/evaluation-of-hepatitis-c-virus-intrafamilial-transmission-among-families-with-one-index-case-a-pilot-study-from-fars-province-iran
#14
Kamran B Lankarani, Maryam Ardebili, Masood Sepehrimanesh, Maryam Nejabat, Mohammad Amir Hemmati Rad, Seyed Younes Hosseini
AIM: Our aim was to survey the rate and risk factors for Hepatitis C virus interfamilial transmission among families with one index case. BACKGROUND: The role of intrafamilial transmission in Hepatitis C virus epidemiology is still debated. PATIENTS AND METHODS: A cross-sectional study was conducted on 34 families (236 members) of HCV infected patients from Fars province, spring to summer 2013. All subjects were first evaluated for the risk factors of exposure and then their serum was checked for the presence of HCV antibody and the genome, using ELISA and PCR...
2016: Gastroenterology and Hepatology From Bed to Bench
https://www.readbyqxmd.com/read/27895503/methotrexate-induces-dna-damage-and-inhibits-homologous-recombination-repair-in-choriocarcinoma-cells
#15
Lisha Xie, Tiancen Zhao, Jing Cai, You Su, Zehua Wang, Weihong Dong
OBJECTIVE: The objective of this study was to investigate the mechanism of sensitivity to methotrexate (MTX) in human choriocarcinoma cells regarding DNA damage response. METHODS: Two choriocarcinoma cancer cell lines, JAR and JEG-3, were utilized in this study. An MTX-sensitive osteosarcoma cell line MG63, an MTX-resistant epithelial ovarian cancer cell line A2780 and an MTX-resistant cervical adenocarcinoma cell line Hela served as controls. Cell viability assay was carried out to assess MTX sensitivity of cell lines...
2016: OncoTargets and Therapy
https://www.readbyqxmd.com/read/27895198/autism-and-reactive-attachment-disinhibited-social-engagement-disorders-co-occurrence-and-differentiation
#16
Susan Dickerson Mayes, Susan L Calhoun, Daniel A Waschbusch, Raman Baweja
DSM-5 (Diagnostic and Statistical Manual of Mental Disorders, 5th edition) Reactive Attachment Disorder (RAD) and Disinhibited Social Engagement Disorder (DSED) are rare disorders sharing social difficulties with autism. The DSM-5 and ICD-10 (International Classification of Diseases, 10th revsion) state that RAD/DSED should not be diagnosed in children with autism. The purpose of our study is to determine whether children can meet criteria for both autism and RAD/DSED and to identify specific symptoms discriminating the disorders...
November 28, 2016: Clinical Child Psychology and Psychiatry
https://www.readbyqxmd.com/read/27894965/an-application-of-mass-spectrometry-for-quality-control-of-biologicals-highly-sensitive-profiling-of-plasma-residuals-in-human-plasma-derived-immunoglobulin
#17
Franck Limonier, Katleen Van Steendam, Geneviève Waeterloos, Koen Brusselmans, Myriam Sneyers, Dieter Deforce
: Thromboembolic events (TEE) associated to trace amounts of plasmatic activated coagulation factor XI (FXIa) in administrated immunoglobulin (Ig) have recently raised concerns and hence there is a need for highly sensitive profiling of residual plasma source proteins. This study aims to consider LC-ESI-QTOF data-dependent acquisition in combination with sample fractionation for this purpose. Sample fractionation proved mandatory to enable identification of plasma residuals. Two approaches were compared: Ig depletion with protein G - protein A affinity chromatography and low-abundant protein enrichment with a combinatorial peptide ligand library (ProteoMiner(TM), Bio-Rad)...
November 25, 2016: Journal of Proteomics
https://www.readbyqxmd.com/read/27893857/shear-wave-elastography-for-the-differential-diagnosis-of-breast-papillary-lesions
#18
Jin Chung, Won Kyung Lee, Eun-Suk Cha, Jee Eun Lee, Jeoung Hyun Kim, Young Hoon Ryu
OBJECTIVE: To evaluate the diagnostic performance of shear-wave elastography (SWE) for the differential diagnosis of breast papillary lesions. METHODS: This study was an institutional review board-approved retrospective study, with a waiver of informed consent. A total of 79 breast papillary lesions in 71 consecutive women underwent ultrasound and SWE prior to biopsy. Ultrasound features and quantitative SWE parameters were recorded for each lesion. All lesions were surgically excised or excised using an ultrasound-guided vacuum-assisted method...
2016: PloS One
https://www.readbyqxmd.com/read/27893514/improved-bone-regeneration-with-multiporous-plga-scaffold-and-bmp-2-transduced-human-adipose-derived-stem-cells-by-cell-permeable-peptide
#19
Suhyun Park, Hyun-A Heo, Kwang-Bae Lee, Han-Goo Kim, Sung-Woon Pyo
OBJECTIVE: Currently, much work has focused on the engineering of bone using adipose-derived stem cells (ADSCs), which differentiate into osteogenic cells. This study was conducted to assess the bone-regenerating capacity of ADSCs with genetic modification. MATERIALS AND METHODS: ADSCs were cultured and transduced with recombinant adenovirus-expressing bone morphogenetic protein-2 (rAd/BMP-2). Two 5-mm full-thickness bone defects were created on the parietal bones of 24 rats...
November 23, 2016: Implant Dentistry
https://www.readbyqxmd.com/read/27892823/changes-in-joint-range-of-motion-and-muscle-tendon-unit-stiffness-after-varying-amounts-of-dynamic-stretching
#20
Takamasa Mizuno
The purpose of this study was to examine the effects of varying amounts of dynamic stretching (DS) on joint range of motion (ROM) and stiffness of the muscle-tendon unit (MTU). Fifteen healthy participants participated in four randomly ordered experimental trials, which involved one (DS1), four (DS4) and seven (DS7) sets of DS, or control conditions/seated at rest (CON). Each DS set consisted of 15 repetitions of an ankle dorsiflexion-plantarflexion movement. The displacement of the muscle-tendon junction (MTJ) was measured using ultrasonography while the ankle was passively dorsiflexed at 0...
November 28, 2016: Journal of Sports Sciences
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