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https://www.readbyqxmd.com/read/28812232/introgression-of-heat-shock-protein-hsp70-and-shsp-genes-into-the-malaysian-elite-chilli-variety-kulai-capsicum-annuum-l-through-the-application-of-marker-assisted-backcrossing-mab
#1
Magaji G Usman, Mohd Y Rafii, Mohammad Y Martini, Oladosu A Yusuff, Mohd R Ismail, Gous Miah
Backcrossing together with simple sequence repeat marker strategy was adopted to improve popular Malaysian chilli Kulai (Capsicum annuum L.) for heat tolerance. The use of molecular markers in backcross breeding and selection contributes significantly to overcoming the main drawbacks such as increase linkage drag and time consumption, in the ancient manual breeding approach (conventional), and speeds up the genome recovery of the recurrent parent. The strategy was adopted to introgress heat shock protein gene(s) from AVPP0702 (C...
August 15, 2017: Cell Stress & Chaperones
https://www.readbyqxmd.com/read/28807357/development-and-initial-validation-of-the-macrophage-activation-syndrome-primary-hemophagocytic-lymphohistiocytosis-score-a-diagnostic-tool-that-differentiates-primary-hemophagocytic-lymphohistiocytosis-from-macrophage-activation-syndrome
#2
Francesca Minoia, Francesca Bovis, Sergio Davì, Antonella Insalaco, Kai Lehmberg, Susan Shenoi, Sheila Weitzman, Graciela Espada, Yi-Jin Gao, Jordi Anton, Toshiyuki Kitoh, Ozgur Kasapcopur, Helga Sanner, Rosa Merino, Itziar Astigarraga, Maria Alessio, Michael Jeng, Vyacheslav Chasnyk, Kim E Nichols, Zeng Huasong, Caifeng Li, Concetta Micalizzi, Nicolino Ruperto, Alberto Martini, Randy Q Cron, Angelo Ravelli, AnnaCarin Horne
OBJECTIVE: To develop and validate a diagnostic score that assists in discriminating primary hemophagocytic lymphohistiocytosis (pHLH) from macrophage activation syndrome (MAS) related to systemic juvenile idiopathic arthritis. STUDY DESIGN: The clinical, laboratory, and histopathologic features of 362 patients with MAS and 258 patients with pHLH were collected in a multinational collaborative study. Eighty percent of the population was assessed to develop the score and the remaining 20% constituted the validation sample...
August 11, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28807048/response-to-single-agent-pd-1-inhibitor-after-progression-on-previous-pd-1-pd-l1-inhibitors-a-case-series
#3
Dylan J Martini, Aly-Khan A Lalani, Dominick Bossé, John A Steinharter, Lauren C Harshman, F Stephen Hodi, Patrick A Ott, Toni K Choueiri
BACKGROUND: Monoclonal antibodies targeting the PD-1/PD-L1 axis have gained increasing attention across many solid tumors and hematologic malignancies due to their efficacy and favorable toxicity profile. With more than 1 agent now FDA-approved in a wide variety of tumor types, and with others in clinical trials, it is becoming more common that patients present to clinic for potential treatment with a second PD-1/PD-L1 inhibitor. CASE PRESENTATION: In this report, we present two patients with renal cell carcinoma and one with melanoma who received PD-1/PD-L1 inhibitors...
August 15, 2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28803910/a-measure-to-quantify-the-degree-of-cooperativity-in-overall-titration-curves
#4
Johannes W R Martini
In the framework of the grand canonical ensemble, different definitions of cooperativity commonly used in the context of ligand binding are not equivalent. A unifying definition is the existence of non-real roots of the binding polynomial. Using this qualitative criterion, an open question is how to quantify the degree of cooperativity. In this work, we introduce a theoretical measure to quantify the degree of cooperativity of a titriation curve. Its definition is based on a minimal energy approach mapping a given binding polynomial to the minimal interaction energy which is required to generate it...
August 10, 2017: Journal of Theoretical Biology
https://www.readbyqxmd.com/read/28801241/trends-in-radical-prostatectomy-risk-group-distribution-in-a-european-multicenter-analysis-of-28-572-patients-towards-tailored-treatment
#5
Roderick van den Bergh, Giorgio Gandaglia, Derya Tilki, Hendrik Borgmann, Piet Ost, Christian Surcel, Massimo Valerio, Prasanna Sooriakumaran, Alberto Briganti, Markus Graefen, Henk van der Poel, Alexandre de la Taille, Francesco Montorsi, Guillaume Ploussard
BACKGROUND: Active surveillance (AS) has been increasingly proposed as the preferential initial management strategy for low-risk prostate cancer (PC), while in high-risk PC the indication for surgery has widened. OBJECTIVE: To evaluate the development of risk group distribution of patients undergoing radical prostatectomy (RP). DESIGN, SETTING, AND PARTICIPANTS: Retrospective database review of combined RP databases (2000-2015) of four large European centers (Créteil, Paris; San Rafaele, Milan; Martini Klinik, Hamburg; NKI, AvL, Amsterdam)...
August 8, 2017: European Urology Focus
https://www.readbyqxmd.com/read/28800821/listeria-monocytogenes-incidence-changes-and-diversity-in-some-brazilian-dairy-industries-and-retail-products
#6
Virginie Oxaran, Sarah Hwa In Lee, Luíza Toubas Chaul, Carlos Humberto Corassin, Giovana Verginia Barancelli, Virgínia Farias Alves, Carlos Augusto Fernandes de Oliveira, Lone Gram, Elaine Cristina Pereira De Martinis
Listeria monocytogenes can cause listeriosis, a severe foodborne disease. In Brazil, despite very few reported cases of listeriosis, the pathogen has been repeatedly isolated from dairies. This has led the government to implement specific legislation to reduce the hazard. Here, we determined the incidence of L. monocytogenes in five dairies and retail products in the Southeast and Midwest regions of Brazil over eight months. Of 437 samples, three samples (0.7%) from retail and only one sample (0.2%) from the dairies were positive for L...
December 2017: Food Microbiology
https://www.readbyqxmd.com/read/28799277/the-italian-compassionate-use-of-sofosbuvir-itacops-observational-cohort-study-for-the-treatment-of-recurrent-hepatitis-c-clinical-and-virological-outcomes
#7
Paola Carrai, Cristina Morelli, Gabriella Cordone, Antonietta Romano, Mariarosa Tamé, Raffaella Lionetti, Giada Pietrosi, Ilaria Lenci, Guido Piai, Francesco Paolo Russo, Carmine Coppola, Mario Melazzini, Simona Montilla, Luca Pani, Sandra Petraglia, Pierluigi Russo, Maria Paola Trotta, Silvia Martini, Pierluigi Toniutto
Direct antivirals are available for treating recurrent hepatitis C (RHC). This study reported outcomes of 424 patients with METAVIR F3-F4 RHC who were treated for 24 weeks with sofosbuvir/ribavirin and followed for 12 weeks within the Italian sofosbuvir compassionate use program. In 55 patients, daclatasvir or simeprevir were added. Child-Pugh class and MELD scores were evaluated at baseline and 36 weeks after the start of therapy. The sustained viral response (SVR) was 86.7% (316/365) in patients who received sofosbuvir/ribavirin and 98...
August 11, 2017: Transplant International: Official Journal of the European Society for Organ Transplantation
https://www.readbyqxmd.com/read/28799090/prostate-cancer-detection-among-readers-with-different-degree-of-experience-using-ultra-high-b-value-diffusion-weighted-imaging-is-a-non-contrast-protocol-sufficient-to-detect-significant-cancer
#8
D Hausmann, N Aksöz, J von Hardenberg, T Martini, N Westhoff, S Buettner, S O Schoenberg, P Riffel
AIM: To evaluate the accuracy of a T2-weighted (T2w) - and a parallel transmit zoomed b = 2000 s/mm2 (b2000) - diffusion-weighted imaging sequence among three readers with different degrees of experience for prostate cancer (Pca) detection. METHODS: Ninety-three patients with suspected Pca were enrolled. For b2000 a two-dimensional spatially-selective RF pulse using an echo-planar transmit trajectory was applied, and the field of view (FOV) was reduced to one-third...
August 10, 2017: European Radiology
https://www.readbyqxmd.com/read/28797835/tumor-necrosis-factor-%C3%AE-receptor-1-contributes-to-ethanol-induced-vascular-reactive-oxygen-species-generation-and-hypertension
#9
Janaina A Simplicio, Natália A Gonzaga, Marcelo A Nakashima, Bruno S De Martinis, Thiago M Cunha, Luis F Tirapelli, Carlos R Tirapelli
We evaluated the contribution of tumor necrosis factor-α receptor 1 (TNFR1) to ethanol-induced hypertension and vascular oxidative stress and the possible role of perivascular adipose tissue (PVAT) in such responses. Male C57BL/6 wild-type (WT) or TNFR1-deficient mice (TNFR1(-/-)) were treated with ethanol (20% vol/vol) for 12 weeks. Ethanol induced an increase in blood pressure in WT mice and TNFR1(-/-) at 4 and 5 weeks of treatment, respectively. Treatment with ethanol increased tumor necrosis factor-α and interleukin-6 levels in aortas with or without PVAT (PVAT+ and PVAT-, respectively) from WT mice, but not TNFR1(-/-)...
July 22, 2017: Journal of the American Society of Hypertension: JASH
https://www.readbyqxmd.com/read/28794454/lumican-delays-melanoma-growth-in-mice-and-drives-tumor-molecular-assembly-as-well-as-response-to-matrix-targeted-tax2-therapeutic-peptide
#10
Albin Jeanne, Valérie Untereiner, Corinne Perreau, Isabelle Proult, Cyril Gobinet, Camille Boulagnon-Rombi, Christine Terryn, Laurent Martiny, Stéphane Brézillon, Stéphane Dedieu
Lumican is a small leucine-rich proteoglycan (SLRP) being known as a key regulator of collagen fibrillogenesis. However, little attention has been given so far in studying its influence on tumor-associated matrix architecture. Here, we investigate the role of host lumican on tumor matrix organization as well as on disease progression considering an immunocompetent model of melanoma implanted in Lum (-/-) vs. wild type syngeneic mice. Conjointly, lumican impact on tumor response to matrix-targeted therapy was evaluated considering a previously validated peptide, namely TAX2, that targets matricellular thrombospondin-1...
August 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28794254/sex-specific-stroke-incidence-over-time-in-the-greater-cincinnati-northern-kentucky-stroke-study
#11
Tracy E Madsen, Jane Khoury, Kathleen Alwell, Charles J Moomaw, Eric Rademacher, Matthew L Flaherty, Daniel Woo, Jason Mackey, Felipe De Los Rios La Rosa, Sharyl Martini, Simona Ferioli, Opeolu Adeoye, Pooja Khatri, Joseph P Broderick, Brett M Kissela, Dawn Kleindorfer
OBJECTIVE: Recent data suggest stroke incidence is decreasing over time, but it is unknown whether incidence is decreasing in women and men to the same extent. METHODS: Within our population of 1.3 million, all incident strokes among residents ≥20 years old were ascertained at all hospitals during July 1993-June 1994 and calendar years 1999, 2005, and 2010. A sampling scheme was used to ascertain out-of-hospital cases. Sex-specific incidence rates per 100,000 among black and white participants, age- and race-adjusted, were standardized to the 2000 US Census population...
August 9, 2017: Neurology
https://www.readbyqxmd.com/read/28791283/increasing-incidence-of-colorectal-cancer-in-adolescents-and-young-adults-aged-15-39-years-in-western-australia-1982-2007-examination-of-colonoscopy-history
#12
Lakkhina Troeung, Nita Sodhi-Berry, Angelita Martini, Eva Malacova, Hooi Ee, Peter O'Leary, Iris Lansdorp-Vogelaar, David B Preen
AIMS: To examine trends in colorectal cancer (CRC) incidence and colonoscopy history in adolescents and young adults (AYAs) aged 15-39 years in Western Australia (WA) from 1982 to 2007. DESIGN: Descriptive cohort study using population-based linked hospital and cancer registry data. METHOD: Five-year age-standardized and age-specific incidence rates of CRC were calculated for all AYAs and by sex. Temporal trends in CRC incidence were investigated using Joinpoint regression analysis...
2017: Frontiers in Public Health
https://www.readbyqxmd.com/read/28791033/sink-status-and-photosynthetic-rate-of-the-leaflet-galls-induced-by-bystracoccus-mataybae-eriococcidae-on-matayba-guianensis-sapindaceae
#13
Denis C Oliveira, Ana Silvia F P Moreira, Rosy M S Isaias, Vitor Martini, Uiara C Rezende
The galling insect Bystracoccus mataybae (Eriococcidae) induces green and intralaminar galls on leaflets of Matayba guianensis (Sapindaceae), and promotes a high oxidative stress in host plant tissues. This biotic stress is assumed by the histochemical detection of hydrogen peroxide, a reactive oxygen species (ROS), whose production alters gall physiology. Thus, we hypothesize that high levels of nutrients are accumulated during gall development in response to a local maintenance of photosynthesis and to the galling insect activity...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28783525/a-sub-kelvin-cryogen-free-epr-system
#14
Simon J Melhuish, Chloe Stott, Ana-Maria Ariciu, Lorenzo Martinis, Mark McCulloch, Lucio Piccirillo, David Collison, Floriana Tuna, Richard Winpenny
We present an EPR instrument built for operation at Q band below 1K. Our cryogen-free Dewar integrates with a commercial electro-magnet and bridge. A description of the cryogenic and RF systems is given, along with the adaptations to the standard EPR experiment for operation at sub-Kelvin temperatures. As a first experiment, the EPR spectra of powdered Cr12O9(OH)3 [Formula: see text] were measured. The sub-Kelvin EPR spectra agree well with predictions, and the performance of the sub-Kelvin system at 5K is compared to that of a commercial spectrometer...
July 20, 2017: Journal of Magnetic Resonance
https://www.readbyqxmd.com/read/28782094/comparative-sem-analysis-of-nine-f22-aligner-cleaning-strategies
#15
Luca Lombardo, Marco Martini, Francesca Cervinara, Giorgio Alfredo Spedicato, Teresa Oliverio, Giuseppe Siciliani
BACKGROUND: The orthodontics industry has paid great attention to the aesthetics of orthodontic appliances, seeking to make them as invisible as possible. There are several advantages to clear aligner systems, including aesthetics, comfort, chairside time reduction, and the fact that they can be removed for meals and oral hygiene procedures. METHODS: Five patients were each given a series of F22 aligners, each to be worn for 14 days and nights, with the exception of meal and brushing times...
December 2017: Progress in Orthodontics
https://www.readbyqxmd.com/read/28777746/characterization-of-breast-calcification-types-using-dual-energy-x-ray-method
#16
Niki Martini, Vaia Koukou, George Fountos, Christos Michail, Athanasios Bakas, Ioannis S Kandarakis, Robert David Speller, George C Nikiforidis
Calcifications are products of mineralization whose presence is usually associated with pathological conditions. The minerals mostly seen in several diseases are calcium oxalate (CaC2O4), calcium carbonate (CaCO3) and hydroxyapatite (HAp). Up to date, there is no in-vivo method that could discriminate between minerals. To this aim, a dual energy X-ray method was developed in the present study. An analytical model was implemented for the determination of the Calcium/Phosphorus mass ratio (mca/mp ). The simulation was carried out using monoenergetic and polyenergetic X-rays and various calcification thicknesses (100 to 1000 um) and types (CaC2O4, CaCO3, HAp)...
August 4, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28776689/charmm-gui-martini-maker-for-modeling-and-simulation-of-complex-bacterial-membranes-with-lipopolysaccharides
#17
Pin-Chia Hsu, Bart M H Bruininks, Damien Jefferies, Paulo Cesar Telles de Souza, Jumin Lee, Dhilon S Patel, Siewert J Marrink, Yifei Qi, Syma Khalid, Wonpil Im
A complex cell envelope, composed of a mixture of lipid types including lipopolysaccharides, protects bacteria from the external environment. Clearly, the proteins embedded within the various components of the cell envelope have an intricate relationship with their local environment. Therefore, to obtain meaningful results, molecular simulations need to mimic as far as possible this chemically heterogeneous system. However, setting up such systems for computational studies is far from trivial, and consequently the vast majority of simulations of outer membrane proteins still rely on oversimplified phospholipid membrane models...
August 3, 2017: Journal of Computational Chemistry
https://www.readbyqxmd.com/read/28773931/charged-triazole-cross-linkers-for-hyaluronan-based-hybrid-hydrogels
#18
Maike Martini, Patricia S Hegger, Nicole Schädel, Burcu B Minsky, Manuel Kirchhof, Sebastian Scholl, Alexander Southan, Günter E M Tovar, Heike Boehm, Sabine Laschat
Polyelectrolyte hydrogels play an important role in tissue engineering and can be produced from natural polymers, such as the glycosaminoglycan hyaluronan. In order to control charge density and mechanical properties of hyaluronan-based hydrogels, we developed cross-linkers with a neutral or positively charged triazole core with different lengths of spacer arms and two terminal maleimide groups. These cross-linkers react with thiolated hyaluronan in a fast, stoichiometric thio-Michael addition. Introducing a positive charge on the core of the cross-linker enabled us to compare hydrogels with the same interconnectivity, but a different charge density...
September 30, 2016: Materials
https://www.readbyqxmd.com/read/28765689/present-and-future-of-metastatic-colorectal-cancer-treatment-a-review-of-new-candidate-targets
#19
REVIEW
Giulia Martini, Teresa Troiani, Claudia Cardone, Pietropaolo Vitiello, Vincenzo Sforza, Davide Ciardiello, Stefania Napolitano, Carminia Maria Della Corte, Floriana Morgillo, Antonio Raucci, Antonio Cuomo, Francesco Selvaggi, Fortunato Ciardiello, Erika Martinelli
In the last two decades, great efforts have been made in the treatment of metastatic colorectal cancer (mCRC) due to the approval of new target agents for cytotoxic drugs. Unfortunately, a large percentage of patients present with metastasis at the time of diagnosis or relapse after a few months. The complex molecular heterogeneity of this disease is not completely understood; to date, there is a lack of predictive biomarkers that can be used to select subsets of patients who may respond to target drugs. Only the RAS-mutation status is used to predict resistance to anti-epidermal growth factor receptor agents in patients with mCRC...
July 14, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28763127/european-veterinary-renal-pathology-service-a-survey-over-a-7-year-period-2008-2015
#20
L Aresu, V Martini, S L Benali, C Brovida, R E Cianciolo, R Dalla Riva, D Trez, J J Van Der Lugt, A Van Dongen, E Zini
BACKGROUND: The European Veterinary Renal Pathology Service (EVRPS) is the first Web-based registry for canine renal biopsy specimens in Europe. HYPOTHESIS/OBJECTIVES: The aim was to verify whether differences exist between the clinical and laboratory presentation of dogs with nephropathy according to renal pathological findings, as defined by light and electron microscopy of renal biopsy specimens submitted to EVRPS. ANIMALS: Renal biopsy specimens of dogs were collected from the archive of the service (n = 254)...
August 1, 2017: Journal of Veterinary Internal Medicine
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