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https://www.readbyqxmd.com/read/28938788/cd4-t-cells-dominate-the-leukocyte-infiltration-response-initiated-by-intra-dermal-injection-of-phytohemagglutinin-into-growing-feathers-in-chickens
#1
K S Sullivan, G F Erf
Phytohemagglutinin (PHA) is commonly used to evaluate cell-mediated immunocompetence. In chickens, PHA is typically injected intra-dermally (i.d.) into the skin (e.g., wing web, wattle, or footpad), and the tissue swelling response is monitored, whereby the extent of tissue swelling positively relates to the individual's cell-mediated immune system capabilities. Although i.d. injected PHA was shown to stimulate mononuclear cell and basophil infiltration to the site of injection, reports on temporal, qualitative, and quantitative aspects of the local cutaneous PHA response are limited...
October 1, 2017: Poultry Science
https://www.readbyqxmd.com/read/28938779/physical-and-chemical-characteristics-of-meat-from-broilers-raised-in-4-different-rearing-systems-stored-under-freezing-for-up-to-12-months
#2
A Giampietro-Ganeco, C M Owens, J L M Mello, R A Souza, F B Ferrari, P A Souza, H Borba
This study evaluated the effects of freezing (-18°C) for 12 mo on attributes related to the texture of breast, drumstick, and thigh from broilers raised in 4 different rearing systems. Five-hundred carcasses of male broilers raised in 4 rearing systems (Antibiotic-free, Cobb 500, n = 125; Free-range, Hubbard ISA, n = 125; Conventional, Cobb 500, n = 125; Organic, Cobb 500, n = 125) were divided into breast, drumstick, and thigh and stored under freezing (-18°C) for 3, 6, 9, and 12 months. Breast, drumstick, and thigh meat from broilers raised in all studied rearing systems showed reduction (P < 0...
October 1, 2017: Poultry Science
https://www.readbyqxmd.com/read/28938744/an-improved-ivm-method-for-cumulus-oocyte-complexes-from-small-follicles-in-polycystic-ovary-syndrome-patients-enhances-oocyte-competence-and-embryo-yield
#3
F Sánchez, F Lolicato, S Romero, M De Vos, H Van Ranst, G Verheyen, E Anckaert, J E J Smitz
STUDY QUESTION: Are meiotic and developmental competence of human oocytes from small (2-8 mm) antral follicles improved by applying an optimized IVM method involving a prematuration step in presence of C-Type Natriuretic Peptide (CNP) followed by a maturation step in presence of FSH and Amphiregulin (AREG)? SUMMARY ANSWER: A strategy involving prematuration culture (PMC) in the presence of CNP followed by IVM using FSH + AREG increases oocyte maturation potential leading to a higher availability of Day 3 embryos and good-quality blastocysts for single embryo transfer...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28938731/the-importance-of-genetic-parenthood-for-infertile-men-and-women
#4
S Hendriks, K Peeraer, H Bos, S Repping, E A F Dancet
STUDY QUESTION: Do men and women beginning to attend a fertility clinic prefer genetic over non-genetic parenthood? SUMMARY ANSWER: Nearly, all infertile men and women prefer genetic parenthood. WHAT IS KNOWN ALREADY: Clinicians assume that all infertile couples prefer genetic parenthood over non-genetic parenthood and, therefore, consider treatments with donor gametes an option of last resort. Previous studies of the desire for parenthood identified 30 motivations for genetic parenthood, and 51 motivations for which having a genetically related child is not strictly necessary but might be deemed required...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28938490/expression-of-contactin-4-is-associated-with-malignant-behavior-in-pheochromocytomas-and-paragangliomas
#5
Lucie Evenepoel, Francien H van Nederveen, Lindsey Oudijk, Thomas G Papathomas, David F Restuccia, Eric J T Belt, Wouter W de Herder, Richard A Feelders, Gaston J H Franssen, Marc Hamoir, Dominique Maiter, Aurel Perren, Henri J L M Timmers, Susanne van Eeden, Laurent Vroonen, Selda Aydin, Mercedes Robledo, Miikka Vikkula, Ronald R de Krijger, Winand N M Dinjens, Alexandre Persu, Esther Korpershoek
Context: Pheochromocytomas and paragangliomas (PPGL) are rare neuroendocrine, usually benign tumors. Currently, the only reliable criterion of malignancy is the presence of metastases. Objective: The aim was to identify genes associated with malignancy in PPGL. Design: Transcriptomic profiling was performed on 40 benign and 11 malignant PPGL. Genes showing a significantly different expression between benign and malignant PPGL with a ratio ≥ 4 were confirmed, and subsequently tested in an independent series by qRT-PCR...
August 17, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28938070/dynamics-of-water-monolayers-confined-by-chemically-heterogeneous-surfaces-observation-of-surface-induced-anisotropic-diffusion
#6
Mehdi Karzar Jeddi, Santiago Romero-Vargas Castrillón
Water present in confining geometries plays key roles in many systems of scientific and technological relevance. Prominent examples are living cells and nanofluidic devices. Despite its importance, a complete understanding of the dynamics of water in nanoscale confinement remains elusive. In this work, we use molecular dynamics (MD) simulation to investigate the diffusive dynamics of water monolayers confined in chemically heterogeneous silica slit pores. The effect of chemical heterogeneity is systematically investigated through the fraction f_SiOH of randomly distributed surface sites that possess hydroxyl functional groups...
September 22, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28937915/mir-146b-measurement-in-fna-to-distinguish-papillary-thyroid-cancer-from-benign-thyroid-masses
#7
F Yang, H Zhang, X Leng, F Hao, L Wang
No abstract text is available yet for this article.
September 22, 2017: British Journal of Biomedical Science
https://www.readbyqxmd.com/read/28937836/optimizing-a-3d-model-system-for-molecular-manipulation-of-tenogenesis
#8
Chun Chien, Brian Pryce, Sara F Tufa, Douglas R Keene, Alice H Huang
PURPOSE: Tendon injuries are clinically challenging due to poor healing. A better understanding of the molecular events that regulate tendon differentiation would improve current strategies for repair. The mouse model system has been instrumental to tendon studies and several key molecules were initially established in mouse. However, the study of gene function has been limited by the absence of a standard in vitro tendon system for efficiently testing multiple mutations, physical manipulations, and mis-expression...
September 22, 2017: Connective Tissue Research
https://www.readbyqxmd.com/read/28937804/obesity-and-endometrial-cancer-a-lack-of-knowledge-but-opportunity-for-intervention
#9
Ashley F Haggerty, David B Sarwer, Kathryn H Schmitz, Emily M Ko, Kelly C Allison, Christina S Chu
OBJECTIVE: The causal link between obesity and endometrial cancer is well established; however obese women's knowledge of this relationship is unknown. Our objective was to explore patients' understanding of this relationship and assess the acceptability of a technology-based weight loss intervention. METHODS/MATERIALS: Obese women with Type I endometrial cancer/hyperplasia were surveyed about their assessment of their body mass, knowledge of the relationship of obesity and endometrial cancer, and eating and activity habits...
September 22, 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/28937798/dual-effects-of-resveratrol-on-cell-death-and-proliferation-of-colon-cancer-cells
#10
Álvaro San Hipólito-Luengo, Antonio Alcaide, Mariella Ramos-González, Elena Cercas, Susana Vallejo, Alejandra Romero, Elena Talero, Carlos F Sánchez-Ferrer, Virginia Motilva, Concepción Peiró
Colorectal cancer remains a main cause of deaths worldwide, and novel agents are being searched to treat this disease. Polyphenols have emerged as promising therapeutic tools in cancer. Resveratrol (3,5,4'-trihydoxy-trans-stilbene) induces cell death in different tumor cell lines, and it also stimulates the proliferation of specific breast and prostate cancer cell lines. Here, we studied the impact of resveratrol over a 100-fold concentration range on cell death and proliferation of HT-29 colorectal adenocarcinoma cells...
September 22, 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/28937776/4-c-methoxy-2-deoxy-2-fluoro-modified-ribonucleotides-improve-metabolic-stability-and-elicit-efficient-rnai-mediated-gene-silencing
#11
Elise Malek-Adamian, Dale Guenther, Shigeo Matsuda, Saúl Martínez-Montero, Ivan Zlatev, Joel Harp, Mihai Burai Patrascu, Donald J Foster, Johans J Fakhoury, Lydia Perkins, Nicolas Moitessier, Rajar Manoharan, Nate Taneja, Anna Bisbe, Klaus Charisse, Martin A Maier, Kallanthottathil G Rajeev, Martin Egli, Muthiah Manoharan, Masad J Damha
We designed novel 4'-modified 2'-deoxy-2'-fluorouridine (2'-F U) analogues with the aim to improve nuclease resistance and potency of therapeutic siRNAs by introducing 4'-C-methoxy (4'-OMe) as the alpha (C4'α) or beta (C4'β) epimers. The C4'α epimer was synthesized by a stereoselective route in six steps; however, both α and β epimers could be obtained by a non-stereoselective approach starting from 2'-F U. (1)H-NMR analysis and computational investigation of the α-epimer revealed that the 4'-OMe imparts a conformational bias towards the North-East sugar pucker, due to intramolecular hydrogen bonding and hyperconjugation effects...
September 22, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28937737/hollow-pd-ag-composite-nanowires-for-fast-responding-and-transparent-hydrogen-sensors
#12
Ji-Soo Jang, Shaopeng Qiao, Seon-Jin Choi, Gaurav Jha, Alana F Ogata, Won-Tae Koo, Dong-Ha Kim, Il-Doo Kim, Reginald M Penner
Pd based alloy materials with hollow nanostructures are ideal hydrogen (H2) sensor building blocks because of the ultra-high surface area afforded by this architecture. In this work, for the first time, we report a simple fabrication process for preparing hollow Pd-Ag alloy nanowires (Pd@Ag HNWs) by using the electrodeposition of lithographically patterned silver nanowires and followed galvanic replacement reaction (GRR) to form palladium. By controlling the GRR time of aligned Ag NWs within an aqueous Pd2+-containing solution, the compositional transition and morphological evolution from Ag NWs to Pd@Ag HNWs simultaneously occurred, and the relative atomic ratio between Pt and Ag was controlled...
September 22, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28937711/acs-committee-on-trauma-pledges-to-make-zero-preventable-deaths-a-reality
#13
Ronald M Stewart, Donald H Jenkins, Robert J Winchell, Michael F Rotondo
No abstract text is available yet for this article.
October 2016: Bulletin of the American College of Surgeons
https://www.readbyqxmd.com/read/28937499/prognostic-factors-for-permanent-work-disability-in-patients-with-rheumatoid-arthritis-who-received-combination-therapy-of-conventional-synthetic-disease-modifying-antirheumatic-drugs-a-retrospective-cohort-study
#14
M Luisa Vazquez-Villegas, Jorge I Gamez-Nava, Alfredo Celis, Dalia Sanchez-Mosco, Liliana F de la Cerda-Trujillo, Jessica D Murillo-Vazquez, A Miriam Saldaña-Cruz, Miriam F Alcaraz-Lopez, Valeria Diaz-Rizo, Jose Alvarez-Nemegyei, Mario H Cardiel, Laura Gonzalez-Lopez
BACKGROUND: There is limited information about the factors related with the development of long-term permanent work disability (PWD) in rheumatoid arthritis (RA) treated with a combination of conventional synthetic disease-modifying antirheumatic drugs (cs-DMARDs). OBJECTIVE: The aim of this study was to evaluate incidence and factors associated with the development of PWD in RA treated with combination therapy using conventional synthetic cs-DMARDs. METHODS: We assessed in multivariate models the effect of clinical and demographic factors in the development of PWD in a long-term retrospective cohort of 180 workers with RA who were treated with a combination of cs-DMARDs...
September 21, 2017: Journal of Clinical Rheumatology: Practical Reports on Rheumatic & Musculoskeletal Diseases
https://www.readbyqxmd.com/read/28937473/prognostic-factors-for-permanent-work-disability-in-patients-with-rheumatoid-arthritis-who-received-combination-therapy-of-conventional-synthetic-disease-modifying-antirheumatic-drugs-a-retrospective-cohort-study
#15
M Luisa Vazquez-Villegas, Jorge I Gamez-Nava, Alfredo Celis, Dalia Sanchez-Mosco, Liliana F de la Cerda-Trujillo, Jessica D Murillo-Vazquez, A Miriam Saldaña-Cruz, Miriam F Alcaraz-Lopez, Valeria Diaz-Rizo, Jose Alvarez-Nemegyei, Mario H Cardiel, Laura Gonzalez-Lopez
BACKGROUND: There is limited information about the factors related with the development of long-term permanent work disability (PWD) in rheumatoid arthritis (RA) treated with a combination of conventional synthetic disease-modifying antirheumatic drugs (cs-DMARDs). OBJECTIVE: The aim of this study was to evaluate incidence and factors associated with the development of PWD in RA treated with combination therapy using conventional synthetic cs-DMARDs. METHODS: We assessed in multivariate models the effect of clinical and demographic factors in the development of PWD in a long-term retrospective cohort of 180 workers with RA who were treated with a combination of cs-DMARDs...
October 2017: Journal of Clinical Rheumatology: Practical Reports on Rheumatic & Musculoskeletal Diseases
https://www.readbyqxmd.com/read/28937262/empirical-factors-affecting-the-quality-of-non-negative-matrix-factorization-of-mammalian-cell-raman-spectra
#16
H Georg Schulze, Stanislav O Konorov, James M Piret, Michael W Blades, Robin F B Turner
Mammalian cells contain various macromolecules that can be investigated non-invasively with Raman spectroscopy. The particular mixture of major macromolecules present in a cell being probed are reflected in the measured Raman spectra. Determining macromolecular identities and estimating their concentrations from these mixture Raman spectra can distinguish cell types and otherwise enable biological research. However, the application of canonical multivariate methods, such as principal component analysis (PCA), to perform spectral unmixing yields mathematical solutions that can be difficult to interpret...
January 1, 2017: Applied Spectroscopy
https://www.readbyqxmd.com/read/28937259/cardiac-morphofunctional-characteristics-of-transgenic-rats-with-overexpression-of-the-bradykinin-b1-receptor-in-the-endothelium
#17
R F Levy, A J Serra, E L Antonio, L Dos Santos, D S Bocalini, J B Pesquero, M Bader, V F Merino, H A de Oliveira, E C de Arruda Veiga, J A Silva, P Jf Tucci
Evaluate whether endothelial overexpressing of the bradykinin B1 receptor could be associated with altered left ventricular and myocardial performance. Echocardiography and hemodynamic were employed to assess left ventricular morphology and function in Sprague-Dawley transgenic rats overexpressing the endothelial bradykinin B1 receptor (Tie2B1 rats). The myocardial inotropism was evaluated on papillary muscles contradicting in vitro. In Tie2B1 animals, an enlarged left ventricular cavity and lower fractional shortening coupled with a lower rate of pressure change values indicated depressed left ventricular performance...
September 22, 2017: Physiological Research
https://www.readbyqxmd.com/read/28937249/vagotomy-decreases-the-neuronal-activities-of-medulla-oblongata-and-alleviates-neurogenic-inflammation-of-airways-induced-by-repeated-intra-esophageal-instillation-of-hcl-in-guinea-pigs
#18
Z Chen, H Chen, F Chen, D Gu, L Sun, W Zhang, L Fan, Y Lin, R Dong, K Lai
Neuronal activity in the medulla oblongata and neurogenic inflammation of airways were investigated in a guinea pig model induced by repeated intra-esophageal instillation of hydrochloric acid (HCl) after vagotomy. Unilateral vagotomy was performed in the vagotomy group, while a sham-operation was performed in the sham group. Operation was not conducted in sham control group. Airway inflammation was observed with hematoxylin and eosin (HE) staining. C-fos protein was measured by immunohistochemistry (IHC) and Western blot (WB)...
September 22, 2017: Physiological Research
https://www.readbyqxmd.com/read/28937220/a-fluorescence-polarization-activity-based-protein-profiling-assay-in-the-discovery-of-potent-selective-inhibitors-for-human-non-lysosomal-glucosylceramidase
#19
Daniel Lahav, Bing Liu, Richard J B H N van den Berg, Adrianus M C H van den Nieuwendijk, Tom Wennekes, Amar T Ghisaidoobe, Imogen Breen, Maria J Ferraz, Chi-Lin Kuo, Liang Wu, Paul P Geurink, Huib Ovaa, Gijsbert A van der Marel, Mario van der Stelt, Rolf G Boot, Gideon J Davies, Johannes M F G Aerts, Herman S Overkleeft
Human non-lysosomal glucosylceramidase (GBA2) is one of several enzymes that controls levels of glycolipids and whose activity is linked to several human disease states. There is a major need to design or discover selective GBA2 inhibitors both as chemical tools and as potential therapeutic agents. Here, we describe the development of a fluorescence polarization activity-based protein profiling (FluoPol-ABPP) assay for the rapid identification, from a 350+ library of iminosugars, of GBA2 inhibitors. A focused library is generated based on leads from the FluoPol-ABPP screen and assessed on GBA2 selectivity offset against the other glucosylceramide metabolizing enzymes, glucosylceramide synthase (GCS), lysosomal glucosylceramidase (GBA) and the cytosolic retaining β-glucosidase, GBA3...
September 22, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28937022/yield-of-p53-expression-in-esophageal-squamous-cell-cancer-and-its-relationship-with-survival
#20
Tushar H Sankalecha, Sudhir J Gupta, Nitin R Gaikwad, Nikhil U Shirole, Harit G Kothari
BACKGROUND/AIMS: Esophageal squamous cell carcinoma (ESCC) is the most aggressive type of cancer. Mutation of tumor suppressor gene p53 is observed in many gastrointestinal malignancies including ESCC. The immunohistochemical protein expression of mutant p53 has been proposed as a potential tool to evaluate the biological behavior of ESCC. Predictive value of p53 for survival is debatable, hence this study was formulated to know the survival of patients with p53 expression in ESCC. PATIENTS AND METHODS: We prospectively included 91 consecutive patients of ESCC from August 2014 to August 2016...
September 2017: Saudi Journal of Gastroenterology: Official Journal of the Saudi Gastroenterology Association
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