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https://www.readbyqxmd.com/read/28641964/metal-nanoparticles-in-dermatology-and-cosmetology-interactions-with-human-skin-cells
#1
REVIEW
Karolina Niska, Ewelina Zielinska, Marek Witold Radomski, Iwona Inkielewicz-Stepniak
Nanotechnology is a rapidly developing branch of science, which studies control of phenomena and materials sized below 100 nm. Nanotechnology is applicable in many areas of life and medicine including skin care and personal hygiene. The nanoparticles (NPs) of metals and metal oxides are increasingly used in dermatology and cosmetology, especially in prevention and treatment of bacterial and fungal infections, in protection against the harmful effects of the sun and in preparations reducing the visibility of scars by accelerating the repair processes of skin cells...
June 19, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28641313/evaluation-of-serum-microrna-biomarkers-for-gastric-cancer-based-on-blood-and-tissue-pools-profiling-the-importance-of-mir-21-and-mir-331
#2
Marek Sierzega, Marcin Kaczor, Piotr Kolodziejczyk, Jan Kulig, Marek Sanak, Piotr Richter
BACKGROUND: High stability and disease-specific disarrangements suggest that microRNA molecules (miRNAs) present in body fluids are ideally suited for diagnostic applications, including gastric cancer (GC). However, the actual source of circulating miRNA biomarkers in GC has not been adequately evaluated, particularly in the Western populations that have some distinct characteristics compared with Asian patients. METHODS: Twenty treatment-naive patients with GC along with 20 cancer-free controls were recruited...
June 22, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28635675/co-infection-with-marek-s-disease-virus-and-reticuloendotheliosis-virus-increases-illness-severity-and-reduces-marek-s-disease-vaccine-efficacy
#3
Guo-Rong Sun, Yan-Ping Zhang, Lin-Yi Zhou, Hong-Chao Lv, Feng Zhang, Kai Li, Yu-Long Gao, Xiao-Le Qi, Hong-Yu Cui, Yong-Qiang Wang, Li Gao, Qing Pan, Xiao-Mei Wang, Chang-Jun Liu
Marek's disease virus (MDV) and reticuloendotheliosis virus (REV) cause Marek's disease (MD) and reticuloendotheliosis (RE), respectively. Co-infection with MDV and REV is common in chickens, causing serious losses to the poultry industry. However, experimental studies of such co-infection are lacking. In this study, Chinese field strains of MDV (ZW/15) and REV (JLR1501) were used as challenge viruses to evaluate the pathogenicity of co-infection and the influence of MD vaccination in chickens. Compared to the MDV-challenged group, the mortality and tumor rates increased significantly by 20...
June 21, 2017: Viruses
https://www.readbyqxmd.com/read/28635569/stratification-model-based-on-early-postprostatectomy-prostate-specific-antigen-kinetics-may-help-to-reduce-the-risk-of-overtreatment-in-candidates-for-adjuvant-radiotherapy
#4
Stepan Vesely, Ladislav Jarolim, Marek Schmidt, Joana Do Carmo Silva, Katerina Duskova, Marko Babjuk
OBJECTIVE: The aim of this study was to construct a stratification model based on early postoperative kinetics of prostate-specific antigen (PSA) to select the most suitable high-risk patients for early intervention after radical prostatectomy (RP). MATERIALS AND METHODS: The study evaluated 205 men who had undergone RP without any adjuvant treatment. All of the patients had positive surgical margins, extracapsular extension and/or seminal vesicle invasion. The patients underwent multiple ultrasensitive PSA measurements on days 14, 30, 60 and 90 after RP, and subsequently at 3 month intervals...
February 24, 2017: Scandinavian Journal of Urology
https://www.readbyqxmd.com/read/28629745/exposure-to-non-microbial-n-glycolylneuraminic-acid-protects-farmers-children-against-airway-inflammation-and-colitis
#5
Remo Frei, Ruth Ferstl, Caroline Roduit, Mario Ziegler Dipl-Ing, Elisa Schiavi, Weronika Barcik, Noelia Rodriguez-Perez, Oliver F Wirz, Marcin Wawrzyniak, Benoit Pugin, Dirk Nehrbass, Marek Jutel, Sylwia Smolinska, Patrycja Konieczna, Christian Bieli, Susanne Loeliger, Marco Waser, Göran Pershagen, Josef Riedler, Martin Depner, Bianca Schaub, Jon Genuneit, Harald Renz, Juha Pekkanen, Anne M Karvonen, Jean-Charles Dalphin, Marianne van Hage, Gert Doekes, Mübeccel Akdis, Charlotte Braun-Fahrländer, Cezmi A Akdis, Erika von Mutius, Liam O'Mahony, Roger P Lauener
BACKGROUND: Childhood exposure to a farm environment has been shown to protect against the development of inflammatory diseases such as allergy, asthma, and inflammatory bowel disease. OBJECTIVE: We sought to investigate whether besides exposure to microbes also exposure to structures of non-microbial origin such as the sialic acid N-Glycolylneuraminic acid (Neu5Gc) may play a significant role. METHODS: Exposure to Neu5Gc was evaluated by quantifying anti-Neu5Gc antibody levels in the sera of children enrolled in two farm studies: the PARSIFAL study (n=299) and the PASTURE birth cohort (cord blood (n=836), 1 year (n=734), 4...
June 16, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28628776/3d-printed-lattices-as-an-activation-and-expansion-platform-for-t-cell-therapy
#6
Bahman Delalat, Frances Harding, Batjargal Gundsambuu, Elena M De-Juan-Pardo, Felix M Wunner, Marie-Luise Wille, Marek Jasieniak, Kristen A L Malatesta, Hans J Griesser, Antonio Simula, Dietmar W Hutmacher, Nicolas H Voelcker, Simon C Barry
One of the most significant hurdles to the affordable, accessible delivery of cell therapy is the cost and difficulty of expanding cells to clinically relevant numbers. Immunotherapy to prevent autoimmune disease, tolerate organ transplants or target cancer critically relies on the expansion of specialized T cell populations. We have designed 3D-printed cell culture lattices with highly organized micron-scale architectures, functionalized via plasma polymerization to bind monoclonal antibodies that trigger cell proliferation...
June 7, 2017: Biomaterials
https://www.readbyqxmd.com/read/28622640/clinical-course-and-core-variability-in-hbv-infected-patients-without-detectable-anti-hbc-antibodies
#7
Olympia E Anastasiou, Marek Widera, Jens Verheyen, Johannes Korth, Guido Gerken, Fabian A Helfritz, Ali Canbay, Heiner Wedemeyer, Sandra Ciesek
BACKGROUND: The presence of anti-HBc antibodies indicates direct encounter of the immune system with hepatitis B virus (HBV). OBJECTIVES: Aim of our study was to seek for anti-HBc negative but HBV replicating patients and analyze their clinical course and preconditions. STUDY DESIGN: From 1568 HBV-DNA positive patients, 29 patients (1.85%) tested negative for anti-HBc. The absence of anti-HBc could be confirmed in 19 patients using an alternative assay...
June 8, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/28621333/francisella-requires-dynamic-type-vi-secretion-system-and-clpb-to-deliver-effectors-for-phagosomal-escape
#8
Maj Brodmann, Roland F Dreier, Petr Broz, Marek Basler
Francisella tularensis is an intracellular pathogen that causes the fatal zoonotic disease tularaemia. Critical for its pathogenesis is the ability of the phagocytosed bacteria to escape into the cell cytosol. For this, the bacteria use a non-canonical type VI secretion system (T6SS) encoded on the Francisella pathogenicity island (FPI). Here we show that in F. novicida T6SS assembly initiates at the bacterial poles both in vitro and within infected macrophages. T6SS dynamics and function depends on the general purpose ClpB unfoldase, which specifically colocalizes with contracted sheaths and is required for their disassembly...
June 16, 2017: Nature Communications
https://www.readbyqxmd.com/read/28613934/standard-fractionation-external-beam-radiotherapy-with-and-without-intraoperative-radiotherapy-for-locally-recurrent-rectal-cancer-the-role-of-local-therapy-in-patients-with-a-high-competing-risk-of-death-from-distant-disease
#9
Amar U Kishan, Justin C Voog, Jonathan Wiseman, Ryan R Cook, Marek Ancukiewicz, Percy Lee, David P Ryan, Jeffrey W Clark, David L Berger, James C Cusack, Jennifer Y Wo, Theodore S Hong
OBJECTIVES: We sought to evaluate the effectiveness and safety of utilizing radiotherapy (RT) with standard fractionation, with or without intraoperative radiotherapy (IORT), to treat locally recurrent rectal cancer (LRRC). METHODS: Retrospective review of 25 patients with LRRC treated with standard fractionation RT from 2005-2011. Fifteen patients (60%) had prior pelvic RT and ten (40%) had synchronous metastases. The median equivalent dose in 2 Gy fractions was 30 Gy and 49...
June 14, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28613246/serum-uromodulin-levels-in-prediction-of-acute-kidney-injury-in-the-early-phase-of-acute-pancreatitis
#10
Beata Kuśnierz-Cabala, Agnieszka Gala-Błądzińska, Małgorzata Mazur-Laskowska, Paulina Dumnicka, Mateusz Sporek, Aleksandra Matuszyk, Krzysztof Gil, Piotr Ceranowicz, Jerzy Walocha, Jakub Kucharz, Michał Pędziwiatr, Krzysztof Bartuś, Rafał Trąbka, Marek Kuźniewski
In health, uromodulin is the main protein of urine. Serum uromodulin concentrations (sUMOD) have been shown to correlate with kidney function. Acute kidney injury (AKI) is among the main complications of severe acute pancreatitis (AP). No reports exist on sUMOD in patients with AP, including the diagnostic usefulness for early prediction of AP severity. We measured sUMOD during first 72 h of AP. Sixty-six adult patients with AP were recruited at the surgical ward of the District Hospital in Sucha Beskidzka, Poland...
June 14, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28611987/complement-in-kidney-transplantation
#11
REVIEW
Marek Cernoch, Ondrej Viklicky
The complement system is considered to be an important part of innate immune system with a significant role in inflammation processes. The activation can occur through classical, alternative, or lectin pathway, resulting in the creation of anaphylatoxins C3a and C5a, possessing a vast spectrum of immune functions, and the assembly of terminal complement cascade, capable of direct cell lysis. The activation processes are tightly regulated; inappropriate activation of the complement cascade plays a significant role in many renal diseases including organ transplantation...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/28604814/functional-paralysis-of-gm-csf-derived-bone-marrow-cells-productively-infected-with-ectromelia-virus
#12
Lidia Szulc-Dąbrowska, Justyna Struzik, Agnieszka Ostrowska, Maciej Guzera, Felix N Toka, Magdalena Bossowska-Nowicka, Małgorzata M Gieryńska, Anna Winnicka, Zuzanna Nowak, Marek G Niemiałtowski
Ectromelia virus (ECTV) is an orthopoxvirus responsible for mousepox, a lethal disease of certain strains of mice that is similar to smallpox in humans, caused by variola virus (VARV). ECTV, similar to VARV, exhibits a narrow host range and has co-evolved with its natural host. Consequently, ECTV employs sophisticated and host-specific strategies to control the immune cells that are important for induction of antiviral immune response. In the present study we investigated the influence of ECTV infection on immune functions of murine GM-CSF-derived bone marrow cells (GM-BM), comprised of conventional dendritic cells (cDCs) and macrophages...
2017: PloS One
https://www.readbyqxmd.com/read/28604798/a-bayesian-mathematical-model-of-motor-and-cognitive-outcomes-in-parkinson-s-disease
#13
Boris Hayete, Diane Wuest, Jason Laramie, Paul McDonagh, Bruce Church, Shirley Eberly, Anthony Lang, Kenneth Marek, Karl Runge, Ira Shoulson, Andrew Singleton, Caroline Tanner, Iya Khalil, Ajay Verma, Bernard Ravina
BACKGROUND: There are few established predictors of the clinical course of PD. Prognostic markers would be useful for clinical care and research. OBJECTIVE: To identify predictors of long-term motor and cognitive outcomes and rate of progression in PD. METHODS: Newly diagnosed PD participants were followed for 7 years in a prospective study, conducted at 55 centers in the United States and Canada. Analyses were conducted in 244 participants with complete demographic, clinical, genetic, and dopamine transporter imaging data...
2017: PloS One
https://www.readbyqxmd.com/read/28597793/the-effectiveness-of-crt-on-improvement-of-survival-of-heart-failure-patients-in-real-life-clinical-settings
#14
Marek Hudak, Michal Kerekanic, Silvia Misikova, Erika Komanova, Alexander Boho, Branislav Stancak
Objectives Prolongation of QRS (≥ 120 ms) in patients with heart failure (HF) is associated with higher all-cause mortality than in those with narrow QRS. The aim of our study was to compare the survival of patients with HF and wide QRS after cardiac resynchronization therapy (CRT) with survival of HF patients with narrow QRS and to assess factors predictive of non-response to CRT. Methods We enrolled 680 patients with advanced HF and optimal pharmacologic therapy. All patients were assigned according to duration of QRS complex and implanted device...
April 2017: Acta Cardiologica
https://www.readbyqxmd.com/read/28595287/conversion-to-parkinson-disease-in-the-pars-hyposmic-and-dopamine-transporter-deficit-prodromal-cohort
#15
Danna Jennings, Andrew Siderowf, Matthew Stern, John Seibyl, Shirley Eberly, David Oakes, Kenneth Marek
Importance: Detecting individuals at risk for Parkinson disease (PD) during the prodromal phase could clarify disease mechanisms and allow for treatment earlier in the disease process to possibly slow or prevent the onset of motor PD. Objective: To determine if the combination of smell identification testing followed by dopamine transporter (DAT) imaging can accurately and efficiently identify individuals from the general population at risk for conversion to a clinical diagnosis of PD...
June 8, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/28594873/oral-uricase-eliminates-blood-uric-acid-in-the-hyperuricemic-pig-model
#16
Paulina Szczurek, Nadia Mosiichuk, Jarosław Woliński, Tetiana Yatsenko, Danica Grujic, Liudmyla Lozinska, Marek Pieszka, Ewa Święch, Stefan Grzegorz Pierzynowski, Kateryna Goncharova
An elevated level of serum uric acid-hyperuricemia, is strongly associated with the development of gout and chronic kidney disease (CKD) which is often accompanied by a significantly reduced glomerular filtration rate (GFR). In the present study, we investigated the extra-renal elimination of uric acid via the intestine in a healthy pig model and the effect of oral uricase therapy on plasma uric acid concentrations in pigs with induced hyperuricemia and CKD. The experiment was conducted on eleven, ten-week-old pigs (n = 11)...
2017: PloS One
https://www.readbyqxmd.com/read/28591220/comparative-transcriptomics-of-genetically-divergent-lines-of-chickens-in-response-to-marek-s-disease-virus-challenge-at-cytolytic-phase
#17
Kunzhe Dong, Shuang Chang, Qingmei Xie, Alexis Black-Pyrkosz, Huanmin Zhang
Marek's disease (MD), caused by Marek's disease virus (MDV), remains an economically significant threat to the poultry industry worldwide. Genetic resistance to MD is a promising alternative strategy to augment current control measures (vaccination and management). However, only a few functional genes reportedly conferring MD resistance have been identified. Here, we performed a comparative transcriptomics analysis of two highly inbred yet genetically divergent lines of chickens (line 63 and 72) that are resistant and susceptible to MD, respectively, in response to a very virulent plus strain of MDV (vv+MDV) challenge at cytolytic phase...
2017: PloS One
https://www.readbyqxmd.com/read/28589089/reference-values-for-tsh-and-free-thyroid-hormones-in-healthy-pregnant-women-in-poland-a-prospective-multicenter-study
#18
Marta Kostecka-Matyja, Anna Fedorowicz, Ewa Bar-Andziak, Tomasz Bednarczuk, Monika Buziak-Bereza, Paulina Dumnicka, Maria Górska, Małgorzata Krasnodębska, Beata Niedźwiedzka, Dorota Pach, Marek Ruchała, Katarzyna Siewko, Bogdan Solnica, Jerzy Sowiński, Małgorzata Szelachowska, Małgorzata Trofimiuk-Müldner, Katarzyna Wachowiak-Ochmańska, Alicja Hubalewska-Dydejczyk
OBJECTIVES: The diagnosis and treatment of thyroid diseases in pregnant women remains a challenge. Various medical associations recommend establishing the reference intervals for thyroid hormones by a local laboratory. Considering differences within geophysical, socioeconomic conditions, and iodine prophylaxis in various populations, it is advisable to assess reference intervals for thyroid hormones specific to a region of residence. The objective was to assess trimester-specific reference intervals for TSH, fT3, and fT4 for pregnant women in the Polish population...
April 2017: European Thyroid Journal
https://www.readbyqxmd.com/read/28585679/diagnostic-value-of-selected-biochemical-markers-in-the-detection-of-recurrence-of-medullary-thyroid-cancer-comparison-of-calcitonin-procalcitonin-chromogranin-a-and-carcinoembryonic-antigen
#19
Kosma Woliński, Jarosław Kaznowski, Aleksandra Klimowicz, Adam Maciejewski, Dagny Łapińska-Cwojdzińska, Edyta Gurgul, Adrian D Car, Marta Fichna, Paweł Gut, Maria Gryczyńska, Marek Ruchała
INTRODUCTION: Medullary thyroid cancer (MTC) is a malignancy of the thyroid gland, which derives from parafollicular C cells. Periodic measurement of biochemical markers of MTC remains a crucial part of patient follow-up and disease monitoring. The aim of the study was to compare the diagnostic value of four selected markers - calcitonin (Ct), procalcitonin (PCT), chromogranin A (CgA), and carcinoembryonic antigen (CEA). METHODS: Patients with histopathologically confirmed MTC hospitalised in a single department between January 2015 and December 2015 were included in the study...
June 6, 2017: Endokrynologia Polska
https://www.readbyqxmd.com/read/28570620/viral-etiologies-in-adult-patients-with-encephalitis-in-poland-a-prospective-single-center-study
#20
Marta Popiel, Karol Perlejewski, Agnieszka Bednarska, Tomasz Dzieciątkowski, Marcin Paciorek, Dariusz Lipowski, Monika Jabłonowska, Hanna Czeszko-Paprocka, Iwona Bukowska-Ośko, Kamila Caraballo Cortes, Agnieszka Pawełczyk, Maria Fic, Andrzej Horban, Marek Radkowski, Tomasz Laskus
Encephalitis is a severe neurological syndrome associated with high morbidity and mortality as well as long-term neurological sequelae. Despite being an important public health problem, very few extensive population-based studies were conducted so far in the world and none in Central Europe. Altogether 114 consecutive patients meeting the initial criteria for encephalitis were enrolled at the Warsaw Hospital for Infectious Diseases between June 2012 and July 2015. Eighteen patients were secondarily excluded from the analysis due to incomplete data or noinfectious cause...
2017: PloS One
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