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https://www.readbyqxmd.com/read/29122178/pdslt2-penicillium-digitatum-mitogen-activated-protein-kinase-controls-sporulation-and-virulence-during-citrus-fruit-infection
#1
Marta de Ramón-Carbonell, Paloma Sánchez-Torres
The Slt2 mitogen-activated protein (MAP) kinase homologue of Penicillium digitatum, the most relevant pathogen-producing citrus green mould decay during postharvest, was identified and explored. The P. digitatum Slt2-MAPK coding gene (PdSlt2) was functionally characterized by homologous gene elimination and transcriptomic evaluation. The absence of PdSlt2 gene resulted in significantly reduced virulence during citrus infection. The ΔPdSlt2 mutants were also defective in asexual reproduction, showing impairment of sporulation during citrus infection...
December 2017: Fungal Biology
https://www.readbyqxmd.com/read/29021703/ginsenoside-rg3-enriched-red-ginseng-extract-inhibits-platelet-activation-and-in%C3%A2-vivo-thrombus-formation
#2
Dahye Jeong, Muhammad Irfan, Sung-Dae Kim, Suk Kim, Jun-Hwan Oh, Chae-Kyu Park, Hyun-Kyoung Kim, Man Hee Rhee
BACKGROUND: Korean Red Ginseng has been used for several decades to treat many diseases, enhancing both immunity and physical strength. Previous studies have documented the therapeutic effects of ginseng, including its anticancer, antiaging, and anti-inflammatory activities. These activities are mediated by ginsenosides present in the ginseng plant. Ginsenoside Rg3, an effective compound from red ginseng, has been shown to have antiplatelet activity in addition to its anticancer and anti-inflammatory activities...
October 2017: Journal of Ginseng Research
https://www.readbyqxmd.com/read/29021698/nonsaponin-fractions-of-korean-red-ginseng-extracts-prime-activation-of-nlrp3-inflammasome
#3
Byung-Cheol Han, Huijeong Ahn, Jiseon Lee, Eunsaem Jeon, Sanghoon Seo, Kyoung Hwa Jang, Seung-Ho Lee, Cheon Ho Kim, Geun-Shik Lee
BACKGROUND: Korean Red Ginseng extracts (RGE) have been suggested as effective immune modulators, and we reported that ginsenosides possess anti-inflammasome properties. However, the properties of nonsaponin components of RGE have not been well studied. METHODS: To assess the roles of nonsaponin fractions (NS) in NLRP3 inflammasome activation, we treated murine macrophages with or without first or second inflammasome activation signals with RGE, NS, or saponin fractions (SF)...
October 2017: Journal of Ginseng Research
https://www.readbyqxmd.com/read/28968068/self-assembled-tumor-penetrating-peptide-modified-poly-l-%C3%AE-glutamylglutamine-paclitaxel-nanoparticles-based-on-hydrophobic-interaction-for-the-treatment-of-glioblastoma
#4
Jing Yu, Lei Sun, Jinge Zhou, Lipeng Gao, Lijuan Nan, Shimin Zhao, Ting Peng, Lin Han, Jing Wang, Weiyue Lu, Lin Zhang, Yiting Wang, Zhiqiang Yan, Lei Yu
To enhance the tumor-penetrating ability and targeting therapeutic effect of polymer-drug conjugates (PDCs), tumor-penetrating peptide RGERPPR (RGE) modified and PEGylated poly(l-γ-glutamylglutamine)-paclitaxel (PGG-PTX) nanoparticles (RGE-PEG/PGG-PTX NPs) were prepared by using a so-called "modular" design strategy. In brief, a RGERPPR-conjugated targeting material, DSPE-PEG-RGERPPR, was first synthesized and assembled with PGG-PTX into RGE-PEG/PGG-PTX NPs based on the hydrophobic interaction between the groups of 1,2-distearoyl-sn-glycero-3-phosphoethanolamine (DSPE) and PTX...
October 10, 2017: Bioconjugate Chemistry
https://www.readbyqxmd.com/read/28965342/factors-of-rowing-ergometer-performance-in-high-level-female-rowers
#5
Muriel Bourdin, Jean-Rene Lacour, Charles Imbert, Laurent André Messonnier
The present study investigated morphological and physiological factors of rowing ergometer performance over 2000 m (P2000, W) in 70 national and international level [27 lightweight (LW) and 43 heavyweight (HW)] female rowers. Maximal oxygen uptake (V̇O2max, L.min(-1)), maximal aerobic power (Pamax, W), power output corresponding to 4 mmol.L(-1) blood lactate concentration expressed in absolute (PLa4, W) and relative to Pamax (PLa4%, %) values, peak power output (Ppeak, W), and rowing gross efficiency (RGE, %) were determined during an incremental rowing test...
October 1, 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/28876522/roles-of-response-inhibition-and-gene-environment-interplay-in-pathways-to-adolescents-externalizing-problems
#6
Frances L Wang, Laurie Chassin, Matthew Lee, Moira Haller, Kevin King
This study used two waves of data to investigate pathways through which adolescents' response inhibition related to later externalizing problems. A polygenic risk score indexed genetic risk for poor response inhibition. Adolescents' performance on a response inhibition task mediated the relation between adolescents' polygenic risk scores and mother's inconsistent parenting (i.e., evocative rGE), even after controlling for mothers' genetic risk (i.e., passive rGE). Mothers' inconsistent parenting subsequently prospectively predicted adolescents' externalizing problems...
June 2017: Journal of Research on Adolescence: the Official Journal of the Society for Research on Adolescence
https://www.readbyqxmd.com/read/28836489/postdose-3-g1-serum-neutralizing-antibody-as-correlate-of-protection-for-pentavalent-rotavirus-vaccine
#7
G Frank Liu, Darcy Hille, Susan S Kaplan, Michelle G Goveia
Although clinical trials of the pentavalent rotavirus vaccine (RotaTeq®, RV5) have demonstrated efficacy against RV gastroenteritis (RGE) in low and high-income settings, a clear correlate of protection or a measure of immune response that could predict efficacy has yet to be identified. This is the first time that immunogenicity data with both serum neutralized antibody (SNA) titers and anti-RV IgA titers from several clinical efficacy trials were pooled to provide a unique context for evaluating the correlation between immunogenicity and RGE risk or efficacy of RV5...
October 3, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28835374/low-affinity-binding-in-cis-to-p2y2r-mediates-force-dependent-integrin-activation-during-hantavirus-infection
#8
Virginie Bondu, Chenyu Wu, Wenpeng Cao, Peter C Simons, Jennifer Gillette, Jieqing Zhu, Laurie Erb, X Frank Zhang, Tione Buranda
Pathogenic hantaviruses bind to the plexin-semaphorin-integrin (PSI) domain of inactive, β3 integrins. Previous studies have implicated a cognate cis interaction between the bent conformation β5/β3 integrins and an arginine-glycine-aspartic acid (RGD) sequence in the first extracellular loop of P2Y2R. With single-molecule atomic force microscopy, we show a specific interaction between an atomic force microscopy tip decorated with recombinant αIIbβ3 integrins and (RGD)P2Y2R expressed on cell membranes. Mutation of the RGD sequence to RGE in the P2Y2R removes this interaction...
October 15, 2017: Molecular Biology of the Cell
https://www.readbyqxmd.com/read/28828029/oral-administration-of-red-ginseng-extract-promotes-neurorestoration-after-compressive-spinal-cord-injury-in-rats
#9
Pengxiang Zhu, Keiichi Samukawa, Hiroko Fujita, Hidemasa Kato, Masahiro Sakanaka
Red ginseng and its active ingredients have been shown to decrease neuron death after brain ischemia in experimental animals. However, little is known about the effects of orally administered ginseng extract on spinal cord injury. We orally gave red ginseng extract (RGE) to rats with compressed spinal cord injury (SCI). Open-field locomotor scores were measured as indices of motor function. Histopathological changes and cytokine expressions in situ after SCI were evaluated. Compared to vehicle treatment, RGE treatment (350 mg/kg/day) significantly improved locomotor score up to levels close to those pre-SCI, prevented neuron loss, and facilitated the restoration of white matter in the spinal cord at 14 days after SCI...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28686294/nfat-regulated-cytokine-gene-expression-during-tacrolimus-therapy-early-after-renal-transplantation
#10
Sara Bremer, Nils T Vethe, Morten Skauby, Margrete Kasbo, Elisabet D Johansson, Karsten Midtvedt, Stein Bergan
AIMS: Despite pharmacokinetic monitoring of calcineurin inhibitors, the long-term outcome after transplantation (Tx) is still hampered by the side effects of these drugs. The aim of the present study was to characterize nuclear factor of activated T cells (NFAT)-regulated gene expression as a potential pharmacodynamic biomarker for further individualization of tacrolimus (Tac) therapy. METHODS: In 29 renal allograft recipients, samples were drawn once pre-Tx, and before and 1...
November 2017: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28659175/allergens-in-red-ginseng-extract-induce-the-release-of-mediators-associated-with-anaphylactoid-reactions
#11
Lu Wang, Yazheng Zhao, Ye Yang, Yuanjia Hu, Xiaohan Zou, Boyang Yu, Jin Qi
BACKGROUND: Anaphylactoid reactions induced by preparations containing red ginseng have been reported. The aim of this study is to evaluate the allergenicity and screen potential allergens in red ginseng extract thoroughly. METHODS: Red ginseng extract (RGE) and different fractions of RGE were prepared and evaluated by measuring the degranulation and viability of rat basophilic leukemia 2H3 (RBL-2H3) cells. Potential allergens were screened by RBL-2H3 cell extraction and allergenicity verified in RBL-2H3 cells, mouse peritoneal mast cells, Laboratory of Allergic Disease 2 (LAD2) human mast cells and mice, respectively...
June 28, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28561888/affiliation-with-substance-using-peers-examining-gene-environment-correlations-among-parent-monitoring-polygenic-risk-and-children-s-impulsivity
#12
Kit K Elam, Laurie Chassin, Kathryn Lemery-Chalfant, Danielle Pandika, Frances L Wang, Kaitlin Bountress, Danielle Dick, Arpana Agrawal
Parental monitoring can buffer the effect of deviant peers on adolescents' substance use by reducing affiliation with substance-using peers. However, children's genetic predispositions may evoke poorer monitoring, contributing to negative child outcomes. We examined evocative genotype-environment correlations underlying children's genetic predisposition for behavioral undercontrol and parental monitoring in early adolescence via children's impulsivity in middle childhood, and the influence of parental monitoring on affiliation with substance-using peers a year and a half later (n = 359)...
July 2017: Developmental Psychobiology
https://www.readbyqxmd.com/read/28413317/korean-red-ginseng-improves-atopic-dermatitis-like-skin-lesions-by-suppressing-expression-of-proinflammatory-cytokines-and-chemokines-in%C3%A2-vivo-and-in%C3%A2-vitro
#13
Ji-Ye Kee, Yong-Deok Jeon, Dae-Seung Kim, Yo-Han Han, Jinbong Park, Dong-Hyun Youn, Su-Jin Kim, Kwang Seok Ahn, Jae-Young Um, Seung-Heon Hong
BACKGROUND: The prevalence of allergic inflammatory diseases such as atopic dermatitis (AD), asthma, and allergic rhinitis worldwide has increased and complete recovery is difficult. Korean Red Ginseng, which is the heat-processed root of Panax ginseng Meyer, is widely and frequently used as a traditional medicine in East Asia. In this study, we investigated whether Korean Red Ginseng water extract (RGE) regulates the expression of proinflammatory cytokines and chemokines via the mitogen-activated protein kinases (MAPKs)/nuclear factor kappa B (NF-κB) pathway in allergic inflammation...
April 2017: Journal of Ginseng Research
https://www.readbyqxmd.com/read/28324011/a-novel-fc-fgf21-with-improved-resistance-to-proteolysis-increased-affinity-toward-%C3%AE-klotho-and-enhanced-efficacy-in-mice-and-cynomolgus-monkeys
#14
Shanaka Stanislaus, Randy Hecht, Junming Yie, Todd Hager, Michael Hall, Chris Spahr, Wei Wang, Jennifer Weiszmann, Yang Li, Liying Deng, Dwight Winters, Stephen Smith, Lei Zhou, Yuesheng Li, Murielle M Véniant, Jing Xu
Fibroblast growth factor (FGF) 21 is a natural hormone that modulates glucose, lipid, and energy metabolism. Previously, we engineered an Fc fusion FGF21 variant with two mutations, Fc-FGF21(RG), to extend the half-life and reduce aggregation and in vivo degradation of FGF21. We now describe a new variant developed to reduce the extreme C-terminal degradation and improve the binding affinity to β-Klotho. We demonstrate, by introducing one additional mutation located at the C terminus of FGF21 (A180E), that the new molecule, Fc-FGF21(RGE), has gained many improved attributes...
May 1, 2017: Endocrinology
https://www.readbyqxmd.com/read/28279265/engineered-microenvironments-for-synergistic-vegf-integrin-signalling-during-vascularization
#15
Vladimíra Moulisová, Cristina Gonzalez-García, Marco Cantini, Aleixandre Rodrigo-Navarro, Jessica Weaver, Mercedes Costell, Roser Sabater I Serra, Matthew J Dalby, Andrés J García, Manuel Salmerón-Sánchez
We have engineered polymer-based microenvironments that promote vasculogenesis both in vitro and in vivo through synergistic integrin-growth factor receptor signalling. Poly(ethyl acrylate) (PEA) triggers spontaneous organization of fibronectin (FN) into nanonetworks which provide availability of critical binding domains. Importantly, the growth factor binding (FNIII12-14) and integrin binding (FNIII9-10) regions are simultaneously available on FN fibrils assembled on PEA. This material platform promotes synergistic integrin/VEGF signalling which is highly effective for vascularization events in vitro with low concentrations of VEGF...
May 2017: Biomaterials
https://www.readbyqxmd.com/read/28209625/association-of-blood-eosinophil-and-blood-neutrophil-counts-with-asthma-exacerbations-in-the-copenhagen-general-population-study
#16
Signe Vedel-Krogh, Sune Fallgaard Nielsen, Peter Lange, Jørgen Vestbo, Børge Grønne Nordestgaard
BACKGROUND: Blood eosinophil count is a marker of eosinophilic airway inflammation and disease severity in asthma. However, blood neutrophil count might also be associated with disease severity. We tested the hypothesis that high blood eosinophil and neutrophil counts are both associated with the risk of asthma exacerbations among individuals with asthma from the general population. METHODS: From the Copenhagen General Population Study with 81351 participants, we included 4838 with self-reported asthma...
April 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/28199404/loss-of-genes-related-to-nucleotide-excision-repair-ner-and-implications-for-reductive-genome-evolution-in-symbionts-of-deep-sea-vesicomyid-clams
#17
Shigeru Shimamura, Takashi Kaneko, Genki Ozawa, Mamiko Nishino Matsumoto, Takeru Koshiishi, Yoshihiro Takaki, Chiaki Kato, Ken Takai, Takao Yoshida, Katsunori Fujikura, James P Barry, Tadashi Maruyama
Intracellular thioautotrophic symbionts of deep-sea vesicomyid clams lack some DNA repair genes and are thought to be undergoing reductive genome evolution (RGE). In this study, we addressed two questions, 1) how these symbionts lost their DNA repair genes and 2) how such losses affect RGE. For the first question, we examined genes associated with nucleotide excision repair (NER; uvrA, uvrB, uvrC, uvrD, uvrD paralog [uvrDp] and mfd) in 12 symbionts of vesicomyid clams belonging to two clades (5 clade I and 7 clade II symbionts)...
2017: PloS One
https://www.readbyqxmd.com/read/28186172/appropriateness-of-reference-genes-for-normalizing-messenger-rna-in-mouse-2-4-dinitrobenzene-sulfonic-acid-dnbs-induced-colitis-using-quantitative-real-time-pcr
#18
Nour Eissa, Laëtitia Kermarrec, Hayam Hussein, Charles N Bernstein, Jean-Eric Ghia
2,4-Dinitrobenzene sulfonic acid (DNBS)-induced colitis is an experimental model that mimics Crohn's disease. Appropriateness of reference genes is crucial for RT-qPCR. This is the first study to determine the stability of reference gene expression (RGE) in mice treated with DNBS. DNBS experimental Colitis was induced in male C57BL/6 mice. RNA was extracted from colon tissue and comprehensive analysis of 13 RGE was performed according to predefined criteria. Relative colonic TNF-α and IL-1β mRNA levels were calculated...
February 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28163169/does-maoa-increase-susceptibility-to-prenatal-stress-in-young-children
#19
Suena H Massey, Amalia E Hatcher, Caron A C Clark, James L Burns, Daniel S Pine, Andrew D Skol, Daniel K Mroczek, Kimberly A Espy, David Goldman, Edwin Cook, Lauren S Wakschlag
BACKGROUND: We previously demonstrated a gene-by-prenatal-environment interaction whereby the monoamine oxidase A gene (MAOA) modified the impact of prenatal tobacco exposure (PTE) on adolescent disruptive behavior (DB), with the MAOA risk genotype varying by sex. We extend this work by examining whether this mechanism is evident with another common adversity, prenatal stress exposure (PSE), and whether sex differences are present earlier in development in closer proximity to exposure...
May 2017: Neurotoxicology and Teratology
https://www.readbyqxmd.com/read/27792283/self-assembled-peptide-based-hydrogels-as-scaffolds-for-proliferation-and-multi-differentiation-of-mesenchymal-stem-cells
#20
Yung-Li Wang, Shih-Pei Lin, Srinivasa Rao Nelli, Fu-Kai Zhan, Hsun Cheng, Tsung-Sheng Lai, Mei-Yu Yeh, Hsin-Chieh Lin, Shih-Chieh Hung
Fluorenyl-9-methoxycarbonyl (Fmoc)-diphenylalanine (Fmoc-FF) and Fmoc-arginine-glycine--aspartate (Fmoc-RGD) peptides self-assemble to form a 3D network of supramolecular hydrogel (Fmoc-FF/Fmoc-RGD), which provides a nanofibrous network that uniquely presents bioactive ligands at the fiber surface for cell attachment. In the present study, mesenchymal stem cells (MSCs) in Fmoc-FF/Fmoc-RGD hydrogel increase in proliferation and survival compared to those in Fmoc-FF/Fmoc-RGE hydrogel. Moreover, MSCs encapsulated in Fmoc-FF/Fmoc-RGD hydrogel and induced in each defined induction medium undergo in vitro osteogenic, adipogenic, and chondrogenic differentiation...
April 2017: Macromolecular Bioscience
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