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https://www.readbyqxmd.com/read/28876522/roles-of-response-inhibition-and-gene-environment-interplay-in-pathways-to-adolescents-externalizing-problems
#1
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
#2
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...
August 24, 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
#3
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 RGD sequence in the first extracellular loop of P2Y2R (Erb et al., 2001). With single-molecule atomic force microscopy, we show a cognate interaction between (RGD)P2Y2R and an AFM tip decorated with recombinant αIIbβ3 integrins expressed on cell membranes. Mutation of the RGD sequence to RGE in the P2Y2R removes this interaction...
August 23, 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
#4
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
#5
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 this study was to characterize the 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...
July 7, 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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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
#13
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
#14
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
#15
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...
October 28, 2016: Macromolecular Bioscience
https://www.readbyqxmd.com/read/27746699/morphine-dependence-is-attenuated-by-red-ginseng-extract-and-ginsenosides-rh2-rg3-and-compound-k
#16
Taddesse Yayeh, Kyunghwa Yun, Soyong Jang, Seikwan Oh
BACKGROUND: Red ginseng and ginsenosides have shown plethoric effects against various ailments. However, little is known regarding the effect of red ginseng on morphine-induced dependence and tolerance. We therefore investigated the effect of red ginseng extract (RGE) and biotransformed ginsenosides Rh2, Rg3, and compound K on morphine-induced dependence in mice and rats. METHODS: While mice were pretreated with RGE and then morphine was injected intraperitoneally, rats were infused with ginsenosides and morphine intracranially for 7 days...
October 2016: Journal of Ginseng Research
https://www.readbyqxmd.com/read/27716897/birth-and-adoptive-parent-antisocial-behavior-and-parenting-a-study-of-evocative-gene-environment-correlation
#17
Ashlea M Klahr, S Alexandra Burt, Leslie D Leve, Daniel S Shaw, Jody M Ganiban, David Reiss, Jenae M Neiderhiser
Negative parenting is shaped by the genetically influenced characteristics of children (via evocative rGE) and by parental antisocial behavior; however, it is unclear how these factors jointly impact parenting. This study examined the effects of birth parent and adoptive parent antisocial behavior on negative parenting. Participants included 546 families within a prospective adoption study. Adoptive parent antisocial behavior emerged as a small but significant predictor of negative parenting at 18 months and of change in parenting from 18 to 27 months...
March 2017: Child Development
https://www.readbyqxmd.com/read/27693624/secretory-expression-of-bovine-herpesvirus-type-1-5-glycoprotein-e-in-pichia-pastoris-for-the-differential-diagnosis-of-vaccinated-or-infected-cattle
#18
Bianca S Siedler, Bárbara C Roloff, Gizele L de Sá, Alessandra Neis, Fabrício R Conceição, Daiane D Hartwig, Sibele Borsuk, Odir A Dellagostin, Fabrício S Campos, Paulo M Roehe, Claudia P Hartleben, Alan J A McBride
Bovine herpesvirus (BoHV) glycoprotein E (gE) is a non-essential envelope glycoprotein and the deletion of gE has been used to develop BoHV-1 and BoHV-5 differential vaccine strains. The DIVA (Differentiation of Infected from Vaccinated Animals) strategy, using marker vaccines based on gE-negative BoHV strains, allows the identification of vaccinated or infected animals in immunoassays designed to detect anti-gE antibodies. In this study a codon optimized synthetic sequence of gE containing highly conserved regions from BoHV-1 and BoHV-5 was expressed in Pichia pastoris...
February 2017: Protein Expression and Purification
https://www.readbyqxmd.com/read/27661400/analytical-validation-and-cross-validation-of-an-nfat-regulated-gene-expression-assay-for-pharmacodynamic-monitoring-of-therapy-with-calcineurin-inhibitors
#19
Emaad Abdel-Kahaar, Thomas Giese, Claudia Sommerer, Hannah Rieger, Maria Shipkova, Eberhard Wieland
BACKGROUND: Analysis of residual gene expression of the nuclear factor of activated T cell (NFAT)-regulated genes has been developed as a pharmacodynamic biomarker to monitor therapy with calcineurin inhibitors. The availability of commercial primer sets (Search-LC) and the well-established assay protocol makes this biomarker a promising candidate to be used clinically in different laboratories. However, implementation of the method in routine practice requires analytical robustness and comparable results across laboratories...
December 2016: Therapeutic Drug Monitoring
https://www.readbyqxmd.com/read/27652381/p2y2-receptor-modulates-shear-stress-induced-cell-alignment-and-actin-stress-fibers-in-human-umbilical-vein-endothelial-cells
#20
Ramasri Sathanoori, Paulina Bryl-Gorecka, Christa E Müller, Laurie Erb, Gary A Weisman, Björn Olde, David Erlinge
Endothelial cells release ATP in response to fluid shear stress, which activates purinergic (P2) receptor-mediated signaling molecules including endothelial nitric oxide (eNOS), a regulator of vascular tone. While P2 receptor-mediated signaling in the vasculature is well studied, the role of P2Y2 receptors in shear stress-associated endothelial cell alignment, cytoskeletal alterations, and wound repair remains ill defined. To address these aspects, human umbilical vein endothelial cell (HUVEC) monolayers were cultured on gelatin-coated dishes and subjected to a shear stress of 1 Pa...
February 2017: Cellular and Molecular Life Sciences: CMLS
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