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https://www.readbyqxmd.com/read/27914361/development-of-cxcr4-modulators-by-virtual-hts-of-a-novel-amide-sulfamide-compound-library
#1
Renren Bai, Qi Shi, Zhongxing Liang, Younghyoun Yoon, Yiran Han, Amber Feng, Shuangping Liu, Yoonhyeun Oum, C Chris Yun, Hyunsuk Shim
CXCR4 plays a crucial role in recruitment of inflammatory cells to inflammation sites at the beginning of the disease process. Modulating CXCR4 functions presents a new avenue for anti-inflammatory strategies. However, using CXCR4 antagonists for a long term usage presents potential serious side effect due to their stem cell mobilizing property. We have been developing partial CXCR4 antagonists without such property. A new computer-aided drug design program, the FRESH workflow, was used for anti-CXCR4 lead compound discovery and optimization, which coupled both compound library building and CXCR4 docking screens in one campaign...
November 24, 2016: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/27914315/and-justice-for-all-examining-corruption-as-a-contextual-source-of-mental-illness
#2
Ioana van Deurzen
In the present study, I focus on the relationship between corruption and mental health as measured by the level of depressive symptoms. I use data collected by the European Social Survey in 2006, 2012 and 2014 from 99,159 individuals that lived in 24 European countries. I employ two types of analyses: static analyses, i.e., multilevel models estimated in each wave, and dynamic analyses, i.e., fixed effects models for pseudo-panel data. Both static and dynamic analyses suggested that corruption had a detrimental effect on mental health...
November 25, 2016: Social Science & Medicine
https://www.readbyqxmd.com/read/27914293/diethylcarbamazine-attenuates-lps-induced-acute-lung-injury-in-mice-by-apoptosis-of-inflammatory-cells
#3
Ingrid Tavares Fragoso, Edlene Lima Ribeiro, Fabiana Oliveira Dos Santos Gomes, Mariana Aragão Matos Donato, Amanda Karolina Soares Silva, Amanda Costa O de Oliveira, Shyrlene Meiry da Rocha Araújo, Karla Patrícia Sousa Barbosa, Laise Aline Martins Santos, Christina Alves Peixoto
BACKGROUND: Acute lung injury (ALI) is characterized by extensive neutrophil infiltration, and apoptosis delay considered part of the pathogenesis of the condition. Despite great advances in treatment strategies, few effective therapies are known for ALI. Diethylcarbamazine (DEC) is used against lymphatic filariasis, a number of studies have described its anti-inflammatory activities and pro-apoptotic effect. These properties have been associated with nuclear factor kappa-B inactivation...
September 24, 2016: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/27914286/multi-centre-field-evaluation-of-the-performance-of-the-trinity-biotech-uni-gold-hiv-1-2-rapid-test-as-a-first-line-screening-assay-for-gay-and-bisexual-men-compared-with-4th-generation-laboratory-immunoassays
#4
P Keen, D P Conway, P Cunningham, A McNulty, D L Couldwell, S C Davies, D E Smith, J Gray, M Holt, C C O'Connor, P Read, D Callander, G Prestage, R Guy
BACKGROUND: The Trinity Biotech Uni-Gold HIV test (Uni-Gold) is often used as a supplementary rapid test in testing algorithms. OBJECTIVE: To evaluate the operational performance of the Uni-Gold as a first-line screening test among gay and bisexual men (GBM) in a setting where 4th generation HIV laboratory assays are routinely used. STUDY DESIGN: We compared the performance of Uni-Gold with conventional HIV serology conducted in parallel among GBM attending 22 testing sites...
November 16, 2016: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/27914215/lysine-specific-demethylase-1-lsd1-inhibitor-s2101-induces-autophagy-via-the-akt-mtor-pathway-in-skov3-ovarian-cancer-cells
#5
Shujun Feng, Ye Jin, Mengjiao Cui, Jianhua Zheng
BACKGROUND S2101 is one of the most potent LSD1 inhibitors, which can inhibit ovarian cancer cells viability. This study aimed to detect the mechanism behind the anticancer properties of S2101 in SKOV3 ovarian cells. MATERIAL AND METHODS Cell viability was tested by Cell Counting Kit-8 (CCK-8) assay. Cellular apoptosis and autophagy were evaluated by flow cytometric analysis using Annexin-V/PI staining methods and Green fluorescent protein (GFP)-fused-LC3 (GFP-LC3), respectively. Western blotting was performed for analyzing the Bax, Bcl-2, mTOR, p- mTOR, p62, LC3-I, LC3-II, AKT, and p-AKT protein expression...
December 3, 2016: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/27914207/demographic-history-of-the-trace-metal-hyperaccumulator-noccaea-caerulescens-j-presl-and-c-presl-f-k-mey-in-western-europe
#6
Cédric Gonneau, Nausicaa Noret, Cécile Godé, Hélène Frérot, Catherine Sirguey, Thibault Sterckeman, Maxime Pauwels
Noccaea caerulescens (Brassicaceae) is a major pseudometallophyte model for the investigation of the genetics and evolution of metal hyperaccumulation in plants. We studied the population genetics and demographic history of this species to advance the understanding of among-population differences in metal hyperaccumulation and tolerance abilities. Sampling of seven to 30 plants was carried out in 62 sites in Western Europe. Genotyping was done using a combination of new chloroplast and nuclear neutral markers...
December 3, 2016: Molecular Ecology
https://www.readbyqxmd.com/read/27914203/multiple-processes-drive-genetic-structure-of-humpback-whale-megaptera-novaeangliae-populations-across-spatial-scales
#7
Francine Kershaw, Inês Carvalho, Jacqueline Loo, Cristina Pomilla, Peter B Best, Ken P Findlay, Salvatore Cerchio, Tim Collins, Marcia H Engel, Gianna Minton, Peter Ersts, Jaco Barendse, P G H Kotze, Yvette Razafindrakoto, Solange Ngouessono, Michael Meÿer, Meredith Thorton, Howard C Rosenbaum
Elucidating patterns of population structure for species with complex life histories, and disentangling the processes driving such patterns, remains a significant analytical challenge. Humpback whale (Megaptera novaeangliae) populations display complex genetic structures that have not been fully resolved at all spatial scales. We generated a data set of nuclear markers for 3,575 samples spanning the seven breeding stocks and substocks found in the South Atlantic and western and northern Indian Oceans. For the total sample, and males and females separately, we assessed genetic diversity, tested for genetic differentiation between putative populations and isolation by distance, estimated the number of genetic clusters without a priori population information, and estimated rates of gene flow using maximum likelihood and Bayesian approaches...
December 3, 2016: Molecular Ecology
https://www.readbyqxmd.com/read/27914036/prolactin-regulatory-element-binding-protein-is-involved-in-suppression-of-the-adiponectin-gene-in-vivo
#8
X Z Zhang, H Imachi, J Y Lyu, K Fukunaga, S Sato, T Ibata, T Kobayashi, T Yoshimoto, F Kikuchi, T Dong, K Murao
PURPOSE: Prolactin regulatory element-binding protein (PREB), a member of the WD-repeat protein family, has been recognized as a transcriptional factor that regulates prolactin promoter activity in the anterior pituitary of rats. PREB is expressed not only in the pituitary but also in various other tissues, including the adipose tissue. Previous studies have shown that PREB acts as a transcriptional regulator and suppresses the expression of the adiponectin gene in cultured 3T3L1 preadipocytes...
December 2, 2016: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/27914013/inhibitory-effect-of-homocysteine-on-rat-neural-stem-cell-growth-in-vitro-is-associated-with-reduced-protein-levels-and-enzymatic-activities-of-aconitase-and-respiratory-complex-iii
#9
Xu-Mei Zhang, Ya-Qian Zhao, Hai Yan, Huan Liu, Guo-Wei Huang
Increased blood plasma concentration of the sulphur amino acid homocysteine (Hcy) is considered as an independent risk factor of the neurodegenerative diseases. However, the detailed molecular mechanisms by which Hcy leads to neurotoxicity have yet to be clarified. Recent research has suggested that neurotoxicity of Hcy may involve negative regulation of neural stem cell (NSC) proliferation. In the current study, primary NSCs were isolated from neonatal rat brain hippocampus and the inhibition in cell growth was observed after exposure to l50 μM and 500 μM L-Hcy...
December 2, 2016: Journal of Bioenergetics and Biomembranes
https://www.readbyqxmd.com/read/27913957/chemical-characterization-of-rainwater-at-a-high-altitude-site-nainital-in-the-central-himalayas-india
#10
Deewan Singh Bisht, A K Srivastava, H Joshi, K Ram, N Singh, M Naja, M K Srivastava, S Tiwari
The present study investigates the chemical composition of rainwater (RW) from a high-altitude site "Nainital" (1958 m above msl) in the central Himalaya region, to understand the influence of local, regional, and long-range transport of pollutants. A total of 55 (2 in pre-monsoon and 53 in monsoon) RW samples were collected during the study period (June-September 2012) and were analyzed for major anions and cations using an ion chromatograph. The pH of precipitation events ranged from 4.95 to 6.50 (average 5...
December 2, 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/27913903/amyotrophic-lateral-sclerosis-and-myasthenia-gravis-association-or-chance-occurrence
#11
Silvia de Pasqua, Francesco Cavallieri, Roberto D'Angelo, Fabrizio Salvi, Nicola Fini, Roberto D'Alessandro, Rita Rinaldi, Antonio Fasano, Jessica Mandrioli
Very few cases of patients with myasthenia gravis (MG) who later developed amyotrophic lateral sclerosis (ALS) have been described, although some studies showed that significantly more cases than expected have ALS associated with a prior diagnosis of autoimmune diseases. Our aim was to investigate whether the association of ALS and MG was higher than expected in a population-based study and to describe the clinical features characterizing these patients. In Emilia Romagna Region of Italy, a prospective registry has been collecting all incident ALS cases since 1...
December 2, 2016: Neurological Sciences
https://www.readbyqxmd.com/read/27913878/piroplasms-in-brown-hyaenas-parahyaena-brunnea-and-spotted-hyaenas-crocuta-crocuta-in-namibia-and-south-africa-are-closely-related-to-babesia-lengau
#12
Richard E J Burroughs, Barend L Penzhorn, Ingrid Wiesel, Nancy Barker, Ilse Vorster, Marinda C Oosthuizen
The objective of our study was identification and molecular characterization of piroplasms and rickettsias occurring in brown (Parahyaena brunnea) and spotted hyaenas (Crocuta crocuta) from various localities in Namibia and South Africa. Whole blood (n = 59) and skin (n = 3) specimens from brown (n = 15) and spotted hyaenas (n = 47) were screened for the presence of Babesia, Theileria, Ehrlichia and Anaplasma species using the reverse line blot (RLB) hybridization technique. PCR products of 52/62 (83...
December 2, 2016: Parasitology Research
https://www.readbyqxmd.com/read/27913746/anti-trachea-inflammatory-effects-of-diosgenin-from-dioscorea-nipponica-through-interactions-with-glucocorticoid-receptor-%C3%AE
#13
Yang Junchao, Wang Zhen, Wang Yuan, Xu Liying, Jiang Libin, Zhu Yuanhong, Zhao Wei, Chen Ruilin, Zhai Lu
Asthma is a heterogeneous disease characterized by symptoms of chronic inflammation and airway structural and functional changes. It affects about 300 million people worldwide and causes 250 000 deaths annually, but its symptoms can be greatly relieved by regular use of inhaled glucocorticoids (GCs). GCs exert their function through interacting with glucocorticoid receptors (GRs). Diosgenin is a naturally occurring steroidal saponin abundantly present in many medicinal plants, including Dioscorea nipponica, which shares a similar steroidal structure with GC...
December 2, 2016: Journal of International Medical Research
https://www.readbyqxmd.com/read/27913709/hpv-positive-oropharyngeal-cancer-via-p16-immunohistochemistry-in-japan
#14
Julia Toman, Scott Von Larson, Hirohito Umeno, Takashi Kurita, Tohru Furusaka, Hisashi Hasegawa, Manju L Prasad, Clarence T Sasaki
OBJECTIVES: Human papillomavirus (HPV) has emerged as a driving cause of head and neck cancer, but investigations outside the West are limited. A p16 immunohistochemistry is a commonly used biomarker for HPV cancers. We sought to investigate the pathology and rates of HPV head and neck oropharyngeal cancer in Japan via p16 immunohistochemistry at 2 institutions in Japan. METHODS: Fifty-nine oropharyngeal specimens from 2 university hospitals in Japan were examined for morphology and p16 immunohistochemistry...
December 2, 2016: Annals of Otology, Rhinology, and Laryngology
https://www.readbyqxmd.com/read/27913661/effects-of-exendin-4-on-the-intrarenal-renin-angiotensin-system-and-interstitial-fibrosis-in-unilateral-ureteral-obstruction-mice-exendin-4-and-unilateral-ureteral-obstruction
#15
Ying Le, Zongji Zheng, Junyu Xue, Mengling Cheng, Meiping Guan, Yaoming Xue
OBJECTIVE: The objective of this article is to investigate the renoprotecive effects of exendin-4 in a mouse model of unilateral ureteral obstruction (UUO) and explore the putative mechanisms. METHODS: Male Balbc mice underwent sham operation or UUO surgery, and then received intraperitoneal injection of vehicle or exendin-4, respectively. After 14 days, mice were sacrificed and the left kidneys were collected and analyzed by histology, immunohistochemistry, Western blot, quantitative real-time reverse transcription polymerase chain reaction, radioimmunoassay and enzyme-linked immunosorbent assay...
October 2016: Journal of the Renin-angiotensin-aldosterone System: JRAAS
https://www.readbyqxmd.com/read/27913579/risk-factors-for-leptospirosis-seropositivity-in-slaughterhouse-workers-in-western-kenya
#16
Elizabeth Anne Jessie Cook, William Anson de Glanville, Lian Francesca Thomas, Samuel Kariuki, Barend Mark de Clare Bronsvoort, Eric Maurice Fèvre
OBJECTIVES: Leptospirosis has been documented in slaughterhouse workers around the world. Risk factors include smoking and drinking at work, and performing tasks such as cleaning offal. This paper examined risk factors for leptospirosis seropositivity in slaughterhouse workers in western Kenya. METHODS: The study was conducted between May 2011 and October 2012. Questionnaires were used to collect information from workers on demographic data, health and hygiene practices in the slaughterhouse...
December 2, 2016: Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/27913559/physical-activity-as-intervention-for-age-related-loss-of-muscle-mass-and-function-protocol-for-a-randomised-controlled-trial-the-lisa-study
#17
Christian Skou Eriksen, Ellen Garde, Nina Linde Reislev, Cathrine Lawaetz Wimmelmann, Theresa Bieler, Andreas Kraag Ziegler, Anne Theil Gylling, Kasper Juel Dideriksen, Hartwig Roman Siebner, Erik Lykke Mortensen, Michael Kjaer
INTRODUCTION: Physical and cognitive function decline with age, accelerating during the 6th decade. Loss of muscle power (force×velocity product) is a dominant physical determinant for loss of functional ability, especially if the lower extremities are affected. Muscle strength training is known to maintain or even improve muscle power as well as physical function in older adults, but the optimal type of training for beneficial long-term training effects over several years is unknown...
December 2, 2016: BMJ Open
https://www.readbyqxmd.com/read/27913221/role-of-the-inflammasome-in-acetaminophen-induced-liver-injury-and-acute-liver-failure
#18
REVIEW
Benjamin L Woolbright, Hartmut Jaeschke
Drug-induced acute liver failure carries a high morbidity and mortality rate. Acetaminophen overdose is the number one cause of acute liver failure and remains a major problem in Western medicine. Administration of N-acetyl cysteine is an effective antidote when given before the initial rise in toxicity; however, many patients present to the hospital after this stage occurs. As such, treatments which can alleviate late-stage acetaminophen-induced acute liver failure are imperative. While the initial mechanisms of toxicity are well described, a debate has occurred recently in the literature over whether or not there exists a second phase of injury, mediated by inflammatory processes...
November 29, 2016: Journal of Hepatology
https://www.readbyqxmd.com/read/27913207/overexpression-of-stim1-in-neurons-in-mouse-brain-improves-contextual-learning-and-impairs-long-term-depression
#19
Łukasz Majewski, Filip Maciąg, Paweł M Boguszewski, Iga Wasilewska, Grzegorz Wiera, Tomasz Wójtowicz, Jerzy Mozrzymas, Jacek Kuznicki
STIM1 is an endoplasmic reticulum calcium sensor that is involved in several processes in neurons, including store-operated calcium entry. STIM1 also inhibits voltage-gated calcium channels, such as Cav1.2 and Cav3.1, and is thus considered a multifunctional protein. The aim of this work was to investigate the ways in which transgenic neuronal overexpression of STIM1 in FVB/NJ mice affects animal behavior and the electrophysiological properties of neurons in acute hippocampal slices. We overexpressed STIM1 from the Thy1...
November 29, 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/27913185/mir-346-promotes-the-biological-function-of-breast-cancer-cells-by-targeting-srcin1-and-reduces-chemosensitivity-to-docetaxel
#20
Fan Yang, Long-Ji Luo, Lei Zhang, Dan-Dan Wang, Su-Jin Yang, Li Ding, Jian Li, Dan Chen, Rong Ma, Jian-Zhong Wu, Jin-Hai Tang
MicroRNAs (miRNAs) are a class of highly conserved small noncoding RNAs that play pivotal roles at the post-transcriptional level in the biological function of various cancers, including breast cancer. In our study, miR-346 mimic, inhibitor, negative control or si-SRCIN1 were transfected into MCF-7 and MCF-7/Doc cells, respectively. Quantitative real time PCR (qRT-PCR) was used to measure miR-346 and SRCIN1 mRNA expressions and western blot was used to detect the expression of SRCIN1 in protein level. CCK-8 and colony formation were employed to verify cell viability and proliferation...
November 29, 2016: Gene
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