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https://www.readbyqxmd.com/read/29334709/-molecular-epidemiological-study-of-human-coronavirus-oc43-in-shanghai-from-2009-2016
#1
Y J Yang, Y W Hu
Objective: To understand the epidemiological characteristics of Human coronavirus (HCoV), the patterns of emergence and circulation, and the genotype distribution of human coronavirus OC43 (HCoV-OC43) from November, 2009 to April, 2016 in Shanghai. Methods: A total of 6 059 respiratory specimens, including pharyngeal swab, sputum, nasopharyngeal aspirates and alveolar lavage fluid, as well as relative clinical data were collected from patients with acute respiratory infections from seven sentinel hospitals during November, 2009 to April, 2016 in Shanghai...
January 6, 2018: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/29334670/genetic-ablation-of-trpv1-exacerbates-pressure-overload-induced-cardiac-hypertrophy
#2
Beihua Zhong, Jack Rubinstein, Shuangtao Ma, Donna H Wang
Transient receptor potential vanilloid 1 (TRPV1) channels expressed in sensory nerves may regulate vascular tone and cardiovascular function via their anti-inflammatory effects by releasing neuropeptide calcitonin gene-related peptide (CGRP). Inflammation plays a role in the progression of cardiac hypertrophy and TRPV1 activation may be key to cardiac inflammatory processes. The aim of this study was to test the hypothesis that TRPV1 modulates inflammatory processes to protect the heart from pressure overload-induced hypertrophy and inflammatory responses...
January 12, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29334664/methyl-dehydroabietate-counters-high-fat-diet-induced-insulin-resistance-and-hepatic-steatosis-by-modulating-peroxisome-proliferator-activated-receptor-signaling-in-mice
#3
Hiroki Yoshioka, Yuki Mizuno, Tomohiro Yamaguchi, Yoshimi Ichimaru, Koichi Takeya, Yukio Hitotsuyanagi, Tsunemasa Nonogaki, Yutaka Aoyagi
The aim of this study was to investigate the therapeutic effects of methyl dehydroabietate (mDA) on adipocyte differentiation in 3T3-L1 preadipocytes and obesity characteristics induced by high-fat diet (HFD) in mice. Adipocyte differentiation in 3T3-L1 cells was evaluated after 14 days of incubation with mDA. mDA enhanced adipocyte differentiation in 3T3-L1 cells. For the in vivo evaluation, five-week-old male C57BL/6J mice were fed HFD or normal CE-2 diet (control) for eight weeks. During the experimental period, mice were administered mDA (50 mg/kg, p...
January 12, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29334656/activated-protein-c-suppresses-osteoclast-differentiation-via-endothelial-protein-c-receptor-protease-activated-receptor-1-sphingosine-1-phosphate-receptor-and-apolipoprotein-e-receptor-2
#4
Kakunoshin Yoshida, Nobuyuki Akita, Takayuki Okamoto, Kunihiro Asanuma, Atsumasa Uchida, Akihiro Sudo, Motomu Shimaoka, Koji Suzuki, Tatsuya Hayashi
INTRODUCTION: Bone remodeling relies on a delicate balance between formation and resorption of bone tissues, processes in which bone-forming osteoblasts and bone-resorbing osteoclasts play central roles. Recently, we reported that anticoagulant activated protein C (APC) promotes osteoblast proliferation, but the role of the blood coagulation system in bone remodeling remains unclear. In this study, to further elucidate the relationship between bone remodeling and blood coagulation, we investigated the effect of APC on osteoclast differentiation...
January 3, 2018: Thrombosis Research
https://www.readbyqxmd.com/read/29334646/17%C3%AE-estradiol-improves-the-efficacy-of-exploited-autologous-bone-marrow-derived-mesenchymal-stem-cells-in-non-union-radial-defect-healing-a-rabbit-model
#5
Delaram Zamani Mazdeh, Pezhman Mirshokraei, Mohammadreza Emami, Ali Mirshahi, Iraj Karimi
Exploiting mesenchymal stem cells (MSCs) appears to be an appealing alternative to the traditional clinical approach in the treatment of non-union bone defects. It has been shown that 17β-estradiol improves the osteogenesis and proliferation potential of the MSCs via estrogen receptors. We investigated the effect of 17β-estradiol on exploiting autologous BMSCs (bone marrow-derived MSCs) for the purpose of healing of radial non-union segmental defect in rabbit. Twenty rabbits were divided into 4 experimental groups: 1...
December 28, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/29334634/equine-in-vivo-derived-metabolites-of-the-sarm-lgd-4033-and-comparison-with-human-and-fungal-metabolites
#6
Annelie Hansson, Heather Knych, Scott Stanley, Emma Berndtson, Liora Jackson, Ulf Bondesson, Mario Thevis, Mikael Hedeland
LGD-4033 has been found in human doping control samples and has the potential for illicit use in racehorses as well. It belongs to the pharmacological class of selective androgen receptor modulators (SARMs) and can stimulate muscle growth, much like anabolic steroids. However, SARMs have shown superior side effect profiles compared to anabolic steroids, which arguably makes them attractive for use by individuals seeking an unfair advantage over their competitors. The purpose of this study was to investigate the metabolites formed from LGD-4033 in the horse in order to find suitable analytical targets for doping controls...
December 7, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/29334610/phase-ii-study-of-dovitinib-in-patients-with-castration-resistant-prostate-cancer-kcsg-gu11-05
#7
Yoon Ji Choi, Hye Sook Kim, Se Hoon Park, Bong-Seog Kim, Kyoung Ha Kim, Hyo Jin Lee, Hong Suk Song, Dong-Yeop Shin, Ha Young Lee, Hoon-Gu Kim, Kyung Hee Lee, Jae Lyun Lee, Kyong Hwa Park
Purpose: Fibroblast growth factor (FGF) signals are important in carcinogenesis and progression of prostate cancer. Dovitinib is an oral, pan-class inhibitor of vascular endothelial growth factor receptor (VEGFR), platelet-derived growth factor receptor, and fibroblast growth factor receptor (FGFR). We evaluated the efficacy and toxicity of dovitinib in men with metastatic castration resistant prostate cancer (mCRPC). Materials and Methods: This study was a single-arm, phase II, open-label, multicenter trial of dovitinib 500mg/day (5-days-on/2-days-off schedule)...
January 2, 2018: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/29334609/score-for-the-survival-probability-in-metastasis-breast-cancer-a-nomogram-based-risk-assessment-model
#8
Zhenchong Xiong, Guangzheng Deng, Xinjian Huang, Xing Li, Xinhua Xie, Jin Wang, Zeyu Shuang, Xi Wang
Purpose: Survival of metastatic breast cancer patient remains unknown and varies greatly from person to person. Thus, we aimed to construct a nomogram to quantify the survival probability of patients with metastatic breast cancer (MBC). Materials and methods: We had included 793 MBC patients and calculated trends of case fatality rate by Kaplan-Meier method and joinpoint regression. 634 patients with MBC between January 2004 and July 2011 and 159 patients with MBC between August 2011 and July 2013 were assigned to training cohort and internal validation cohort, respectively...
January 2, 2018: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/29334606/the-association-of-acquired-t790m-mutation-with-clinical-characteristics-after-resistance-to-first-line-epidermal-growth-factor-receptor-tyrosine-kinase-inhibitor-in-lung-adenocarcinoma
#9
Yen-Hsiang Huang, Kuo-Hsuan Hsu, Jeng-Sen Tseng, Kun-Chieh Chen, Chia-Hung Hsu, Kang-Yi Su, Jeremy J W Chen, Huei-Wen Chen, Sung-Liang Yu, Tsung-Ying Yang, Gee-Chen Chang
Purpose: The main objective of this study was to investigate the relationship among the clinical characteristics and the frequency of T790M mutation in advanced epidermal growth factor receptor (EGFR)-mutant lung adenocarcinoma patients with acquired resistance after first-line EGFR‒tyrosine kinase inhibitor (TKI) treatment. Materials and Methods: We enrolled EGFR-mutant stage IIIB-IV lung adenocarcinoma patients, who had progressed to prior EGFR-TKI therapy, and evaluated their rebiopsy EGFR mutation status...
January 4, 2018: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/29334589/preparation-and-evaluation-of-a-deoxycholic-calix-4-arene-hybrid-type-receptor-as-a-chiral-stationary-phase-for-hplc
#10
Sadegh Yaghoubnejad, Kourosh Tabar Heydar, Seyyed Hamid Ahmadi, Reza Zadmard, Nima Ghonouei
We report the synthesis and enantioseparation characteristics of two novel covalently immobilized deoxycholic acid derivatives as chiral stationary phases for high-performance liquid chromatography. In the structure of the first stationary phase, the 3-position of deoxycholic acid is substituted with a 3,5-dinitrophenylcarbamoyl group and the second one has an additional calix[4]arene attached to the carboxylic group of the deoxycholic acid. The chromatographic performance of the stationary phases was evaluated with enantioseparation of N-(3,5-dinitrobenzoyl)-dl-leucine, N-(3,5-dinitrobenzoyl)-dl-valine, omeprazole, diclofop-methyl, dl-mandelic acid and (RS)-pregabalin...
January 15, 2018: Journal of Separation Science
https://www.readbyqxmd.com/read/29334584/in-vitro-and-in-vivo-metabolite-identification-of-a-novel-benzimidazole-compound-zln005-by-lc-ms-ms
#11
Wenchao Sun, Khoa Dinh Nguyen, William L Fitch, Samuel D Banister, Hongxiang Tang, Xiaolan Zhang, Lewis Yu, Edgar G Engleman, Jayakumar Rajadas
RATIONALE: A novel benzimidazole compound ZLN005 was previously identified as a transcriptional activator of peroxisome proliferator-activated receptor γ coactivator 1α (PGC-1α) in certain metabolic tissues. Upregulation of PGC-1α by ZLN005 has been shown to have beneficial effect in a diabetic mouse model and in a coronary artery disease model in vitro. ZLN005 could also have therapeutic potential in neurodegenerative diseases involving down-regulation of PGC-1α. Given the phenotypic efficacy of ZLN005 in several animal models of human disease, its metabolic profile was investigated to guide the development of novel therapeutics using ZLN005 as the lead compound...
January 15, 2018: Rapid Communications in Mass Spectrometry: RCM
https://www.readbyqxmd.com/read/29334566/deficiency-of-transforming-growth-factor-%C3%AE-signaling-disrupts-memory-processes-in-rats
#12
Vladimir I Arkhipov, Ekaterina V Pershina, Sergey G Levin
Cytokines, in addition to their participation in immune and inflammatory processes, play an important role in synaptic plasticity, neoneurogenesis, and cognitive functions. In our work, we aimed to clarify the role of the transforming growth factor-β (TGF-β), which is recognized as a multifunctional cytokine, in memory processes. Behavioral experiments were carried out in rats using step-through passive avoidance test. The results obtained showed that the learning of animals after treatment with SB431542, a selective inhibitor of TGF-β receptors, was impaired, which indicated a significant memory deterioration...
January 12, 2018: Neuroreport
https://www.readbyqxmd.com/read/29334504/bradykinin-receptors-gene-expression-in-white-adipose-tissue-in-nondiabetic-patients-with-coronary-artery-disease
#13
Maria E Marketou, George Kochiadakis, Joanna Kontaraki, Evangelos Zacharis, Emmanouel Kanoupakis, Emmanouel Kallergis, Hercules Mavrakis, Panagiotis Tsiverdis, Dimitris Lempidakis, John Konstantinou, Konstantinos Fragkiadakis, Gregory Chlouverakis, Panos Vardas, Fragiskos Parthenakis
OBJECTIVES: Adipose tissue plays a key role in cardiovascular physiology. Kinin receptors are important determinant of the effect of adiposity on endothelial function and cardiovascular function. We examined the gene expression levels of kinin receptors in the subcutaneous white adipose tissue (sWAT) of nondiabetic patients with and without coronary artery disease (CAD). PATIENTS AND METHODS: We evaluated 21 patients with CAD (13 men, age: 68±8 years) and 23 patients without CAD (15 men, age: 66±5 years) who underwent catheterization through the femoral route...
January 12, 2018: Coronary Artery Disease
https://www.readbyqxmd.com/read/29334500/overexpression-of-%C3%A2%C2%B5-opioid-receptors-in-peripheral-afferents-but-not-in-combination-with-enkephalin-decreases-neuropathic-pain-behavior-and-enhances-opioid-analgesia-in-mouse
#14
Amanda H Klein, Husam K Mohammad, Rabiah Ali, Brad Peper, Steven P Wilson, Srinivasa N Raja, Matthias Ringkamp, Sarah Sweitzer
BACKGROUND: The current study used recombinant herpes simplex virus type I to increase expression of µ-opiate receptors and the opioid ligand preproenkephalin in peripheral nerve fibers in a mouse model of neuropathic pain. It was predicted that viral vector delivery of a combination of genes encoding the µ-opioid receptor and preproenkephalin would attenuate neuropathic pain and enhance opioid analgesia. The behavioral effects would be paralleled by changes in response properties of primary afferent neurons...
January 15, 2018: Anesthesiology
https://www.readbyqxmd.com/read/29334492/anti-il-10-mediated-enhancement-of-antitumor-efficacy-of-a-dendritic-cell-targeting-mip3%C3%AE-gp100-vaccine-in-the-b16f10-mouse-melanoma-model-is-dependent-on-type-i-interferons
#15
James T Gordy, Kun Luo, Brian Francica, Charles Drake, Richard B Markham
The chemokine MIP3α (CCL20) binds to CCR6 on immature dendritic cells. Vaccines fusing MIP3α to gp100 have been shown to be effective in therapeutically reducing melanoma tumor burden and prolonging survival in a mouse model. Other studies have provided evidence that interleukin-10 (IL-10) neutralizing antibodies (αIL-10) enhance immunologic melanoma therapies by modulating the tolerogenic tumor microenvironment. In the current study, we have utilized the B16F10 syngeneic mouse melanoma model to demonstrate for the first time that a therapy neutralizing IL-10 enhances the antitumor efficacy of a MIP3α-gp100 DNA vaccine, leading to significantly smaller tumors, slower growing tumors, and overall increases in mouse survival...
January 12, 2018: Journal of Immunotherapy
https://www.readbyqxmd.com/read/29334491/a-randomized-titrate-to-target-study-comparing-fixed-dose-combinations-of-azilsartan-medoxomil-and-chlorthalidone-with-olmesartan-and-hydrochlorothiazide-in-stage-2-systolic-hypertension
#16
William C Cushman, George L Bakris, William B White, Michael A Weber, Domenic Sica, Andrew Roberts, Eric Lloyd, Stuart Kupfer
BACKGROUND: Azilsartan medoxomil (AZL-M), an angiotensin II receptor blocker, has been developed in fixed-dose combinations (FDCs) with chlorthalidone (CTD). OBJECTIVE/METHODS: We compared FDCs of AZL-M/CTD 20/12.5 mg once daily titrated to 40/25 mg if needed or AZL-M/CTD 40/12.5 mg once daily titrated to 80/25 mg if needed with an olmesartan medoxomil (OLM)-hydrochlorothiazide (HCTZ) 20/12.5 mg FDC once daily titrated to 40/25 mg if needed in a randomized, double-blind, 8-week study of 1085 participants with clinic SBP 160-190 mmHg and DBP 119 mmHg or less...
January 13, 2018: Journal of Hypertension
https://www.readbyqxmd.com/read/29334418/antimicrobial-and-stress-responses-to-increased-temperature-and-bacterial-pathogen-challenge-in-the-holobiont-of-a-reef-building-coral
#17
Jeroen A J M van de Water, Maryam Chaib De Mares, Groves B Dixon, Jean-Baptiste Raina, Bette L Willis, David G Bourne, Madeleine J H van Oppen
Global increases in coral disease prevalence have been linked to ocean warming through changes in coral-associated bacterial communities, pathogen virulence and immune system function. However, the interactive effects of temperature and pathogens on the coral holobiont are poorly understood. Here, we assessed three compartments of the holobiont (host, Symbiodinium, bacterial community) of the coral Montipora aequituberculata challenged with the pathogen Vibrio coralliilyticus and the commensal bacterium Oceanospirillales sp...
January 15, 2018: Molecular Ecology
https://www.readbyqxmd.com/read/29334397/recombinant-phosphatidylserine-binding-nanobodies-for-targeting-of-extracellular-vesicles-to-tumor-cells-a-plug-and-play-approach
#18
Sander A A Kooijmans, Jerney J J M Gitz-Francois, Raymond M Schiffelers, Pieter Vader
Extracellular vesicles (EVs) are increasingly being recognized as candidate drug delivery systems due to their ability to functionally transfer biological cargo between cells. However, manipulation of targeting properties of EVs through engineering of the producer cells can be challenging and time-consuming. As a novel approach to confer tumor targeting properties to isolated EVs, we generated recombinant fusion proteins of nanobodies against the epidermal growth factor receptor (EGFR) fused to phosphatidylserine (PS)-binding domains of lactadherin (C1C2)...
January 15, 2018: Nanoscale
https://www.readbyqxmd.com/read/29334381/the-molecular-basis-of-subtype-selectivity-of-human-kinin-g-protein-coupled-receptors
#19
Lisa Joedicke, Jiafei Mao, Georg Kuenze, Christoph Reinhart, Tejaswi Kalavacherla, Hendrik R A Jonker, Christian Richter, Harald Schwalbe, Jens Meiler, Julia Preu, Hartmut Michel, Clemens Glaubitz
G-protein-coupled receptors (GPCRs) are the most important signal transducers in higher eukaryotes. Despite considerable progress, the molecular basis of subtype-specific ligand selectivity, especially for peptide receptors, remains unknown. Here, by integrating DNP-enhanced solid-state NMR spectroscopy with advanced molecular modeling and docking, the mechanism of the subtype selectivity of human bradykinin receptors for their peptide agonists has been resolved. The conserved middle segments of the bound peptides show distinct conformations that result in different presentations of their N and C termini toward their receptors...
January 15, 2018: Nature Chemical Biology
https://www.readbyqxmd.com/read/29334371/cooperative-targeting-of-melanoma-heterogeneity-with-an-axl-antibody-drug-conjugate-and-braf-mek-inhibitors
#20
Julia Boshuizen, Louise A Koopman, Oscar Krijgsman, Aida Shahrabi, Elke Gresnigt- van den Heuvel, Maarten A Ligtenberg, David W Vredevoogd, Kristel Kemper, Thomas Kuilman, Ji-Ying Song, Nora Pencheva, Jens Thing Mortensen, Marnix Geukes Foppen, Elisa A Rozeman, Christian U Blank, Maarten L Janmaat, David Satijn, Esther C W Breij, Daniel S Peeper, Paul W H I Parren
Intratumor heterogeneity is a key factor contributing to therapeutic failure and, hence, cancer lethality. Heterogeneous tumors show partial therapy responses, allowing for the emergence of drug-resistant clones that often express high levels of the receptor tyrosine kinase AXL. In melanoma, AXL-high cells are resistant to MAPK pathway inhibitors, whereas AXL-low cells are sensitive to these inhibitors, rationalizing a differential therapeutic approach. We developed an antibody-drug conjugate, AXL-107-MMAE, comprising a human AXL antibody linked to the microtubule-disrupting agent monomethyl auristatin E...
January 15, 2018: Nature Medicine
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