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https://www.readbyqxmd.com/read/28441724/multiple-udp-glucuronosyltransferase-and-sulfotransferase-enzymes-are-responsible-for-the-metabolism-of-verproside-in-human-liver-preparations
#1
Ju-Hyun Kim, Deok-Kyu Hwang, Ju-Yeon Moon, Yongnam Lee, Ji Seok Yoo, Dae Hee Shin, Hye Suk Lee
Verproside, an active iridoid glycoside component of Veronica species, such as Pseudolysimachion rotundum var. subintegrum and Veronica anagallis-aquatica, possesses anti-asthma, anti-inflammatory, anti-nociceptive, antioxidant, and cytostatic activities. Verproside is metabolized into nine metabolites in human hepatocytes: verproside glucuronides (M1, M2) via glucuronidation, verproside sulfate (M3) via sulfation, picroside II (M4) and isovanilloylcatalpol (M5) via O-methylation, M4 glucuronide (M6) and M4 sulfate (M8) via further glucuronidation and sulfation of M4, and M5 glucuronide (M7) and M5 sulfate (M9) via further glucuronidation and sulfation of M5...
April 22, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28429590/palladium-catalyzed-n-2-aminophenyl-acetamide-assisted-ortho-arylation-of-substituted-benzamides-application-to-the-synthesis-of-urolithins-b-m6-and-m7
#2
M Damoder Reddy, Alexandra N Blanton, E Blake Watkins
Pd-catalyzed, selective, monoarylation of ortho-C-H bonds of various benzamides with aryl/heteroaryl iodides has been realized using N-(2-aminophenyl)acetamide (APA) as a new bidentate directing group for the first time. The reaction was tolerant of a wide range of functional groups, and a variety of biaryl amide derivatives were successfully prepared in good to moderate yield. The utilization of N-(2-aminophenyl)acetamide as a novel directing group, Mn(OAc)2 as a co-oxidant (silver free reaction conditions), and absolute ortho-monoaryl selectivity are notable features of this reaction...
April 21, 2017: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/28398878/development-and-validation-of-a-taqman-real-time-pcr-assay-for-the-specific-detection-and-quantification-of-fusarium-fujikuroi-in-rice-plants-and-seeds
#3
Greice Amaral Carneiro, Slavica Matic, Giuseppe Ortu, Angelo Garibaldi, Davide Spadaro, Maria Lodovica Gullino
Bakanae disease, which is caused by the seed-borne pathogen Fusarium fujikuroi, is found throughout the world on rice. A TaqMan real time PCR has been developed on the TEF 1-α gene to detect F. fujikuroi in different rice tissues. Three primer/probe sets were tested. The selected set produced an amplicon of 84 bp, and was specific for F. fujikuroi with respect for eight Fusarium species of rice and six other rice common pathogens. The assay was validated for specificity, selectivity, sensitivity, repeatability, and reproducibility...
April 11, 2017: Phytopathology
https://www.readbyqxmd.com/read/28384335/data-processing-of-qualitative-results-from-an-interlaboratory-comparison-for-the-detection-of-flavescence-dor%C3%A3-e-phytoplasma-how-the-use-of-statistics-can-improve-the-reliability-of-the-method-validation-process-in-plant-pathology
#4
Aude Chabirand, Marianne Loiseau, Isabelle Renaudin, Françoise Poliakoff
A working group established in the framework of the EUPHRESCO European collaborative project aimed to compare and validate diagnostic protocols for the detection of "Flavescence dorée" (FD) phytoplasma in grapevines. Seven molecular protocols were compared in an interlaboratory test performance study where each laboratory had to analyze the same panel of samples consisting of DNA extracts prepared by the organizing laboratory. The tested molecular methods consisted of universal and group-specific real-time and end-point nested PCR tests...
2017: PloS One
https://www.readbyqxmd.com/read/28381572/improving-the-expression-and-purification-of-soluble-recombinant-native-like-hiv-1-envelope-glycoprotein-trimers-by-targeted-sequence-changes
#5
Rajesh P Ringe, Gabriel Ozorowski, Anila Yasmeen, Albert Cupo, Victor M Cruz Portillo, Pavel Pugach, Michael Golabek, Kimmo Rantalainen, Lauren G Holden, Christopher A Cottrell, Ian A Wilson, Rogier W Sanders, Andrew B Ward, P J Klasse, John P Moore
Soluble, recombinant native-like envelope glycoprotein (Env) trimers of various human immunodeficiency virus type 1 (HIV-1) genotypes are being developed for structural studies and as vaccine candidates aimed at the induction of broadly neutralizing antibodies (bNAbs). The prototypic design is designated SOSIP.664, but many HIV-1 env genes do not yield fully native-like trimers efficiently. One such env gene is CZA97.012 from a neutralization-resistant (Tier-2) clade C virus. As appropriately purified, native-like CZA97...
April 5, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28359056/the-construction-and-identification-of-induced-pluripotent-stem-cells-derived-from-acute-myelogenous-leukemia-cells
#6
Liang-Fang Zhu, Qiu-Ru Chen, Shao-Zhen Chen, Ling-Yan Wang, Xiao-Feng Luo, Jin-Hua Ren, Xiao-Hong Yuan, Xue-Qiong Wu, Yan-Ling Zeng, Min Xiao, Yong-Quan Chen, Ying-Yu Chen, Min-Hui Lin, Zheng-Jun Wu, Zhi-Zhe Chen, Jian-Da Hu, Ting Yang
OBJECTIVE: The present study aimed to establish an induced pluripotent stem cell (iPSC) line from acute myelogenous leukemia (AML) cells in vitro and identify their biological characteristics. METHODS: Cells from the AML-infiltrated skin from an M6 patient were infected with a lentivirus carrying OCT4, SOX2, KLF4 and C-MYC to induce iPSCs. The characteristics of the iPSCs were confirmed by alkaline phosphatase (ALP) staining. The proliferation ability of iPSCs was detected with a CCK-8 assay...
March 29, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28352248/alberta-stroke-program-early-ct-score-infarct-location-predicts-outcome-following-m2-occlusion
#7
Muhib Khan, Grayson L Baird, Richard P Goddeau, Brian Silver, Nils Henninger
BACKGROUND: Although it is generally thought that patients with distal middle cerebral artery (M2) occlusion have a favorable outcome, it has previously been demonstrated that a substantial minority will have a poor outcome by 90 days. We sought to determine whether assessing the Alberta Stroke Program Early CT Score (ASPECTS) infarct location allows for identifying patients at risk for a poor 90-day outcome. METHODS: We retrospectively analyzed patients with isolated acute M2 occlusion admitted to a single academic center between January 2010 and August 2012...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28333010/quantitative-assessment-of-breast-cosmetic-outcome-after-whole-breast-irradiation
#8
Jay P Reddy, Xiudong Lei, Sheng-Cheng Huang, Krista M Nicklaus, Michelle C Fingeret, Simona F Shaitelman, Kelly K Hunt, Thomas A Buchholz, Fatima Merchant, Mia K Markey, Benjamin D Smith
PURPOSE: To measure, by quantitative analysis of digital photographs, breast cosmetic outcome within the setting of a randomized trial of conventionally fractionated (CF) and hypofractionated (HF) whole-breast irradiation (WBI), to identify how quantitative cosmesis metrics were associated with patient- and physician-reported cosmesis and whether they differed by treatment arm. METHODS AND MATERIALS: From 2011 to 2014, 287 women aged ≥40 with ductal carcinoma in situ or early invasive breast cancer were randomized to HF-WBI (42...
April 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28330749/identification-purification-and-expression-patterns-of-chitinase-from-psychrotolerant-pedobacter-sp-pr-m6-and-antifungal-activity-in%C3%A2-vitro
#9
Yong-Su Song, Dong-Jun Seo, Woo-Jin Jung
In this study, a novel psychrotolerant chitinolytic bacterium Pedobacter sp. PR-M6 that displayed strong chitinolytic activity on 0.5% colloidal chitin was isolated from the soil of a decayed mushroom. Chitinase activity of PR-M6 at 25 °C (C25) after 6 days of incubation with colloidal chitin increased rapidly to a maximum level (31.3 U/mg proteins). Three chitinase isozymes (chiII, chiIII, and chiIV) from the crude enzyme at 25 °C (C25) incubation were expressed on SDS-PAGE gels at 25 °C. After purification by chitin-affinity chromatography, six chitinase isozymes (chiI, chiII, chiIII, chiIV, chiV, and chiVI) from C25-fractions were expressed on SDS-PAGE gels at 25 °C...
March 19, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28329136/chronic-resveratrol-treatment-inhibits-mrc5-fibroblast-sasp-related-protumoral-effects-on-melanoma-cells
#10
Beatrice Menicacci, Anna Laurenzana, Anastasia Chillà, Francesca Margheri, Silvia Peppicelli, Elisabetta Tanganelli, Gabriella Fibbi, Lisa Giovannelli, Mario Del Rosso, Alessandra Mocali
Cellular senescence is related to organismal aging and is observed after DNA damaging cancer therapies, that induce tumor-suppressive modifications, but it is characterized by a strong increase in secreted factors, termed the "senescence-associated secretory phenotype" (SASP). Particularly, SASP from stroma senescent fibroblasts creates a cancer-favoring microenvironment, providing targets for anti-cancer interventions. In the present article, chronic treatment (5 weeks) with 5 µM resveratrol has been used to modulate senescence-related protumoral features of MRC5 fibroblasts, reducing SASP-related interleukins IL1α, IL1β, IL6, and IL8; transforming-growth-factor-β (TGFβ); matrix metallo-proteinases MMP3 and MMP2; urokinase plasminogen activator (uPA); receptor proteins uPAR, IL6R, insulin growth factor receptor-1 (IGF-1R), TGFβ-R2, and CXCR4...
January 20, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28320286/functioning-of-yeast-pma1-h-atpase-under-changing-charge-role-of-asp739-and-arg811-residues
#11
V V Petrov
The plasma membrane Pma1 H+-ATPase of the yeast Saccharomyces cerevisiae contains conserved residue Asp739 located at the interface of transmembrane segment M6 and the cytosol. Its replacement by Asn or Val (Petrov et al. (2000) J. Biol. Chem., 275, 15709-15716) or by Ala (Miranda et al. (2011) Biochim. Biophys. Acta, 1808, 1781-1789) caused complete blockage of biogenesis of the enzyme, which did not reach secretory vesicles. It was proposed that a strong ionic bond (salt bridge) could be formed between this residue and positively charged residue(s) in close proximity, and the replacement D739A disrupted this bond...
January 2017: Biochemistry. Biokhimii︠a︡
https://www.readbyqxmd.com/read/28318767/immunogenicity-and-safety-of-concomitant-administration-of-meningococcal-serogroup-b-4cmenb-and-serogroup-c-menc-crm-vaccines-in-infants-a-phase-3b-randomized-controlled-trial
#12
Marco Aurelio P Safadi, Federico Martinon-Torres, Lily Yin Weckx, Edson Duarte Moreira, Eduardo Jorge da Fonseca Lima, Ilhem Mensi, Marco Calabresi, Daniela Toneatto
BACKGROUND: After implementation of routine infant MenC vaccination, MenB remains a serious cause of meningococcal disease, yet to be targeted by vaccination programs in several countries. This study (NCT01339923) investigated the immunogenicity and safety of MenC CRM-conjugated vaccine (MenC-CRM) concomitantly administered with MenB vaccine (4CMenB). METHODS: Infants (N=251) were randomised 1:1 to receive 4CMenB and MenC-CRM (Group 1) or MenC-CRM alone (Group 2) at 3 and 5months (M3, M5) and a booster at 12months of age (M12), and pneumococcal vaccine at M3, M5, M7, M12...
March 15, 2017: Vaccine
https://www.readbyqxmd.com/read/28318718/-treatment-of-macular-edema-comparison-of-efficacy-and-tolerability-of-subconjunctival-triamcinolone-injections-sub-tenon-s-triamcinolone-injections-and-intravitreal-dexamethasone-implant
#13
C Carbonnière, C Couret, A Blériot, O Lebreton, H Massé, G Le Meur, P Lebranchu, M Weber
The area of uveitis is related to numerous pathological entities. One of the main causes of decreased visual acuity in these patients is macular edema. One aspect of the treatment includes cortosteroids used peri- and intra-ocularly. MATERIALS AND METHODS: The goal of our work was to estimate the criteria of efficacy (on improvement in visual acuity and macular edema, as well as time to recurrence) and safety (on intraocular pressure and cataract) of these various routes of administration of corticosteroid after a single injection...
March 16, 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/28318708/-high-irradiance-accelerated-corneal-collagen-crosslinking-for-the-treatment-of-keratoconus-a-retrospective-study
#14
N Moineau, L Sauvan, J Benichou, G Ho Wang Yin, L Hoffart
PURPOSE: To evaluate the safety and efficacy of accelerated corneal collagen crosslinking on stabilization of progressive keratoconus. MATERIALS AND METHODS: This was a retrospective study from March 2013 to March 2015. Patients with progressive keratoconus who underwent accelerated corneal collagen crosslinking were included. Visual acuity with and without correction, biomicroscopy, corneal elevation topography (maximum and mean keratometry values, minimum pachymetry, densitometry) and side effects were recorded at baseline and at 1, 3 and 6 months (M)...
April 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/28303956/inhibitory-role-of-acyl-homoserine-lactones-in-hemolytic-activity-and-viability-of-streptococcus-pyogenes-m6-s165
#15
Sunil D Saroj, Linda Holmer, Júlia M Berengueras, Ann-Beth Jonsson
Streptococcus pyogenes an adapted human pathogen asymptomatically colonizes the nasopharynx, among other polymicrobial communities. However, information on the events leading to the colonization and expression of virulence markers subject to interspecies and host-bacteria interactions are limited. The interference of acyl homoserine lactones (AHLs) with the hemolytic activity and viability of S. pyogenes M6 S165 was examined. AHLs, with fatty acid side chains ≥12 carbon atoms, inhibited hemolytic activity by downregulating the expression of the sag operon involved in the production of streptolysin S...
March 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28303504/do-bariatric-patients-follow-dietary-and-lifestyle-recommendations-during-the-first-postoperative-year
#16
Shiri Sherf Dagan, Andrei Keidar, Asnat Raziel, Nasser Sakran, David Goitein, Oren Shibolet, Shira Zelber-Sagi
BACKGROUND: Data on adherence to postoperative lifestyle recommendations by bariatric patients are scarce. Thus, the aim of this study was to evaluate adherence to selected recommendations during the first year following laparoscopic sleeve gastrectomy (LSG) surgery. METHODS: A prospective cohort study with 12 months of follow-up on 100 LSG patients was conducted. Data were collected at baseline and at 3 (M3), 6 (M6), and 12 (M12) months post-surgery and included anthropometrics, biochemical tests, food intake, food tolerance, common surgery-related side effects, physical activity (PA), supplementation, and number of follow-up meetings with a dietitian...
March 16, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28299912/orf3a-deletion-in-field-strains-of-porcine-transmissible-gastroenteritis-virus-in-china-a-hint-of-association-with-porcine-respiratory-coronavirus
#17
X Zhang, Y Zhu, X Zhu, J Chen, H Shi, D Shi, H Dong, L Feng
Porcine-transmissible gastroenteritis virus (TGEV) is a pathogenic coronavirus responsible for high diarrhoea-associated morbidity and mortality in suckling piglets. We analysed the TGEV ORF3 gene using nested polymerase chain reaction and identified an ORF3a deletion in three field strains of TGEV collected from piglets in China in 2015. Eight TGEV ORF3 sequences were obtained in this study. Phylogenetic tree analysis of ORF3 showed that the eight TGEV ORF3 genes all belonged to the Miller cluster. CH-LNCT and CH-MZL were closely correlated with Miller M6, while CH-SH was correlated with Miller M60...
March 15, 2017: Transboundary and Emerging Diseases
https://www.readbyqxmd.com/read/28299546/combinatorial-analysis-of-enzymatic-bottlenecks-of-l-tyrosine-pathway-by-p-coumaric-acid-production-in-saccharomyces-cerevisiae
#18
Jiwei Mao, Quanli Liu, Xiaofei Song, Hesuiyuan Wang, Hui Feng, Haijin Xu, Mingqiang Qiao
OBJECTIVE: To identify new enzymatic bottlenecks of L-tyrosine pathway for further improving the production of L-tyrosine and its derivatives. RESULT: When ARO4 and ARO7 were deregulated by their feedback resistant derivatives in the host strains, the ARO2 and TYR1 genes, coding for chorismate synthase and prephenate dehydrogenase were further identified as new important rate-limiting steps. The yield of p-coumaric acid in the feedback-resistant strain overexpressing ARO2 or TYR1, was significantly increased from 6...
March 15, 2017: Biotechnology Letters
https://www.readbyqxmd.com/read/28297450/dosimetric-comparison-between-cone-iris-based-and-incise-mlc-based-cyberknife-plans-for-single-and-multiple-brain-metastases
#19
Si Young Jang, Ron Lalonde, Cihat Ozhasoglu, Steven Burton, Dwight Heron, M Saiful Huq
We performed an evaluation of the CyberKnife InCise MLC by comparing plan qualities for single and multiple brain lesions generated using the first version of InCise MLC, fixed cone, and Iris collimators. We also investigated differences in delivery efficiency among the three collimators. Twenty-four patients with single or multiple brain mets treated previously in our clinic on a CyberKnife M6 using cone/Iris collimators were selected for this study. Treatment plans were generated for all lesions using the InCise MLC...
September 2016: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28296619/drifts-in-adcc-related-quality-attributes-of-herceptin%C3%A2-impact-on-development-of-a-trastuzumab-biosimilar
#20
Seokkyun Kim, Jinsu Song, Seungkyu Park, Sunyoung Ham, Kyungyeol Paek, Minjung Kang, Yunjung Chae, Heewon Seo, Hyung-Chan Kim, Michael Flores
A biosimilar product needs to demonstrate biosimilarity to the originator reference product, and the quality profile of the latter should be monitored throughout the period of the biosimilar's development to match the quality attributes of the two products that relate to efficacy and safety. For the development of a biosimilar version of trastuzumab, the reference product, Herceptin®, was extensively characterized for the main physicochemical and biological properties by standard or state-of-the-art analytical methods, using multiple lots expiring between March 2015 and December 2019...
March 15, 2017: MAbs
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