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https://www.readbyqxmd.com/read/28445259/the-role-of-stat3-and-ahr-in-the-differentiation-of-cd4-t-cells-into-th17-and-treg-cells
#1
Xingxing Liu, Hui Hu, Heng Fan, Dongmei Zuo, Zhexing Shou, Yi Liao, Zhen Nan, Qing Tang
BACKGROUND: This study aimed to investigate the role of aryl hydrocarbon receptor (AhR) and STAT3 gene during the differentiation of cluster of differentiation (CD)4 T cells into T helper (Th)17 and T regulatory (Treg) cells. METHODS: First, CD4 T cells were isolated from the spleen of BALB/c mice. Then, stable CD4 T cells expressing STAT3 shRNA were constructed. CD4 T cells were assigned to one of the following treatments: Th17 group: antibodies against CD3 and CD28, 2...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28445076/image-based-phenotypic-screening-with-human-primary-t-cells-using-one-dimensional-imaging-cytometry-with-self-tuning-statistical-gating-algorithms
#2
Steve S Wang, Daniel J Ehrlich
The parallel microfluidic cytometer (PMC) is an imaging flow cytometer that operates on statistical analysis of low-pixel-count, one-dimensional (1D) line scans. It is highly efficient in data collection and operates on suspension cells. In this article, we present a supervised automated pipeline for the PMC that minimizes operator intervention by incorporating multivariate logistic regression for data scoring. We test the self-tuning statistical algorithms in a human primary T-cell activation assay in flow using nuclear factor of activated T cells (NFAT) translocation as a readout and readily achieve an average Z' of 0...
April 1, 2017: SLAS Discovery
https://www.readbyqxmd.com/read/28441283/early-intake-of-radiocesium-by-residents-living-near-the-tepco-fukushima-dai-ichi-nuclear-power-plant-after-the-accident-part-2-relationship-between-internal-dose-and-evacuation-behavior-in-individuals
#3
Naoaki Kunishima, Osamu Kurihara, Eunjoo Kim, Tetsuo Ishikawa, Takashi Nakano, Kumiko Fukutsu, Kotaro Tani, Kazuo Furuyama, Shozo Hashimoto, Misao Hachiya, Yutaka Naoi, Makoto Akashi
The Tokyo Electric Power Company's Fukushima Dai-ichi Nuclear Power Plant (FDNPP) accident exposed members of the public to radiation. This study analyses the relation between personal behavior data obtained from 112 out of 174 subjects who underwent whole-body measurements by the National Institute of Radiological Sciences (NIRS) during the period from 27 June to 28 July 2011 and their committed effective doses (CEDs) from Cs and Cs. The whereabouts of the 112 persons living in municipalities near the FDNPP (mainly, Namie town) on several days in March 2011 are graphed on maps...
June 2017: Health Physics
https://www.readbyqxmd.com/read/28439661/comparative-study-of-p16-protein-expression-in-squamous-cell-carcinomas-from-patients-with-epidermodysplasia-verruciformis-and-patients-without-the-disease
#4
Mayra S G Mattos, Walmar R Oliveira, Mirian N Sotto
Epidermodysplasia verruciformis (EV) is a rare genodermatosis associated with susceptibility to beta-human papilloma virus (HPV) infection. EV patients develop disseminated warts and non-melanoma skin cancer, mainly squamous cell carcinomas (SCC) that are locally aggressive. EV pathogenesis is not yet fully understood, but alterations in the p16 gene play a role in the pathogenesis of neoplasms caused by high-risk genital HPV. To explore its role in EV lesions, we compared p16 expression in SCC from patients with and without EV...
April 24, 2017: Archives of Dermatological Research
https://www.readbyqxmd.com/read/28439227/requirement-of-nf-kappa-b-activation-in-different-mice-brain-areas-during-long-term-memory-consolidation-in-two-contextual-one-trial-tasks-with-opposing-valences
#5
Angeles Salles, Maria Del C Krawczyk, Mariano Blake, Arturo Romano, Mariano M Boccia, Ramiro Freudenthal
NF-kappa B is a transcription factor whose activation has been shown to be necessary for long-term memory consolidation in several species. NF-kappa B is activated and translocates to the nucleus of cells in a specific temporal window during consolidation. Our work focuses on a one trial learning tasks associated to the inhibitory avoidance (IA) setting. Mice were trained either receiving or not a footshock when entering a dark compartment (aversive vs. appetitive learning). Regardless of training condition (appetitive or aversive), latencies to step-through during testing were significantly different to those measured during training...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28437589/the-roles-of-ecology-behavior-and-effective-population-size-in-the-evolution-of-a-community
#6
Chih-Ming Hung, Sergei V Drovetski, Robert M Zink
Organismal traits such as ecological specialization and migratory behavior may affect colonization potential, population persistence, and degree of isolation, factors that determine the composition and genetic structure of communities. However, studies focusing on community assembly rarely consider these factors jointly. We sequenced 16 nuclear and one mitochondrial genes from Caucasian and European populations of 30 forest-dwelling avian species that represent diverse ecological (specialist-generalist) and behavioral (migratory-resident) backgrounds...
April 24, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28436225/watsonianone-a-from-rhodomyrtus-tomentosa-fruit-attenuates-respiratory-syncytial-virus-induced-inflammation-in-vitro
#7
Ling Zhuang, Li-Feng Chen, Yu-Bo Zhang, Zhong Liu, Xu-Hui Xiao, Wei Tang, Guo-Cai Wang, Wen-Jun Song, Yao-Lan Li, Man-Mei Li
Respiratory syncytial virus (RSV) is one of the most common respiratory pathogens. Immoderate inflammation plays a great role in causing RSV-induced diseases. In the present study, watsonianone A, isolated from the fruit of Rhodomyrtus tomentosa (Ait.) Hassk, was found to show a good inhibitory effect on RSV-induced NO production, with a half-maximal inhibitory concentration of 37.2 ± 1.6 μM. Enzyme-linked immunosorbent assay and fluorescence quantitative polymerase chain reaction analyses indicated that watsonianone A markedly reduced both mRNA and protein levels of tumor necrosis factor α, interleukin 6, and monocyte chemoattractant protein 1 in RSV-infected RAW264...
April 24, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28433779/identification-of-new-anti-inflammatory-agents-based-on-nitrosporeusine-natural-products-of-marine-origin
#8
Satish Chandra Philkhana, Abhishek Kumar Verma, Gorakhnath R Jachak, Bibhabasu Hazra, Anirban Basu, D Srinivasa Reddy
Nitrosporeusines A and B are two recently isolated marine natural products with novel skeleton and exceptional biological profile. Interesting antiviral activity of nitrosporeusines and promising potential in curing various diseases, evident from positive data from various animal models, led us to investigate their anti-inflammatory potential. Accordingly, we planned and synthesized nitrosporeusines A and B in racemic as well as enantiopure forms. The natural product synthesis was followed by preparation of several analogues, and all the synthesized compounds were evaluated for in vitro and in vivo anti-inflammatory potential...
April 13, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28433753/computational-image-analysis-for-prognosis-determination-in-dme
#9
Bianca S Gerendas, Hrvoje Bogunovic, Amir Sadeghipour, Thomas Schlegl, Georg Langs, Sebastian M Waldstein, Ursula Schmidt-Erfurth
In this pilot study, we evaluated the potential of computational image analysis of optical coherence tomography (OCT) data to determine the prognosis of patients with diabetic macular edema (DME). Spectral-domain OCT scans with fully automated retinal layer segmentation and segmentation of intraretinal cystoid fluid (IRC) and subretinal fluid of 629 patients receiving anti-vascular endothelial growth factor therapy for DME in a randomized prospective clinical trial were analyzed. The results were used to define 312 potentially predictive features at three timepoints (baseline, weeks 12 and 24) for best-corrected visual acuity (BCVA) at baseline and after one year used in a random forest prediction path...
April 19, 2017: Vision Research
https://www.readbyqxmd.com/read/28430654/alpha-ketoglutarate-suppresses-the-nf-%C3%AE%C2%BAb-mediated-inflammatory-pathway-and-enhances-the-pxr-regulated-detoxification-pathway
#10
Liuqin He, Huan Li, Niu Huang, Xihong Zhou, Junquan Tian, Tiejun Li, Jing Wu, Yanan Tian, Yulong Yin, Kang Yao
Alpha-ketoglutarate (AKG) is a critical nutritional factor in the maintenance of intestinal homeostasis. However, the relative mechanism of AKG has not been well understood. It was recently shown that the interaction between nuclear factor kappa B (NF-κB)-mediated inflammatory pathway and pregnane X receptor (PXR)-regulated detoxification pathway is a check and balance mechanism for keeping the homeostatic state of the intestine, preventing the onset of intestinal inflammation which may lead to cancer. In the current study we used lipopolysaccharide (LPS)-challenged piglet and intestinal porcine epithelial cells-J2 models to investigate the effects of dietary AKG supplementation on the intestinal immune system and PXR regulated target expression...
April 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430599/tak1-inhibitor-5z-7-oxozeaenol-sensitizes-cervical-cancer-to-doxorubicin-induced-apoptosis
#11
Shan Guan, Jiaxiong Lu, Yanling Zhao, Sarah E Woodfield, Huiyuan Zhang, Xin Xu, Yang Yu, Jing Zhao, Shayahati Bieerkehazhi, Haoqian Liang, Jianhua Yang, Fuchun Zhang, Surong Sun
Aberrant activation of nuclear factor-κB (NF-κB) allows cancer cells to escape chemotherapy-induced cell death and acts as one of the major mechanisms of acquired chemoresistance in cervical cancer. TAK1, a crucial mediator that upregulates NF-κB activation in response to cellular genotoxic stress, is required for tumor cell viability and survival. Herein, we examined whether TAK1 inhibition is a potential therapeutic strategy for treating cervical cancer. We found that TAK1 inhibitor 5Z-7-oxozeaenol significantly augmented the cytotoxic effects of Dox in a panel of cervical cancer cell lines...
April 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28427827/antiviral-screen-identifies-ev71-inhibitors-and-reveals-camptothecin-target-dna-topoisomerase-1-as-a-novel-ev71-host-factor
#12
Kan Xing Wu, Justin Jang-Hann Chu
Enterovirus 71 (EV71) is one of the causative agents of hand, foot and mouth disease (HFMD) associated with severe neurological disease. EV71's pathogenesis remains poorly understood and the lack of approved antiviral has led to its emergence as a clinically important neurotropic virus. The goals of this study were to: (i) identify novel anti-EV71 compounds that may serve as lead molecules for therapeutics; and (ii) investigate their targets in downstream studies. We screened a 502-compound library of highly purified natural products for anti-EV71 activities in a cell-based immunofluorescence assay that were then confirmed in viral plaque reduction assays...
April 17, 2017: Antiviral Research
https://www.readbyqxmd.com/read/28427461/inhibitory-activities-of-selected-sudanese-medicinal-plants-on-porphyromonas-gingivalis-and-matrix-metalloproteinase-9-and-isolation-of-bioactive-compounds-from-combretum-hartmannianum-schweinf-bark
#13
Ebtihal Abdalla M Mohieldin, Ali Mahmoud Muddathir, Tohru Mitsunaga
BACKGROUND: Periodontal diseases are one of the major health problems and among the most important preventable global infectious diseases. Porphyromonas gingivalis is an anaerobic Gram-negative bacterium which has been strongly implicated in the etiology of periodontitis. Additionally, matrix metalloproteinases-9 (MMP-9) is an important factor contributing to periodontal tissue destruction by a variety of mechanisms. The purpose of this study was to evaluate the selected Sudanese medicinal plants against P...
April 20, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28427025/psychiatric-symptoms-after-temporal-epilepsy-surgery-a-one-year-follow-up-study
#14
Carmen Iranzo-Tatay, Teresa Rubio-Granero, Antonio Gutierrez, Mercedes Garcés, Rebeca Conde, Asier Gómez-Ibáñez, Sergio Arques-Egea, Lucia Sancho-Miñana, David Hervas-Marín, Vicente Villanueva
Psychiatric symptoms must be considered in patients with refractory temporal lobe epilepsy after epilepsy surgery. The main objectives of our study were to describe clinical and socio-demographical characteristics of a cohort of patients with pharmacoresistant temporal lobe epilepsy who underwent temporal lobe epilepsy surgery, and moreover, to evaluate possible risk factors for developing psychiatric symptoms. In order to achieve those goals, we conducted a prospective evaluation of psychopathology throughout the first year after surgery in a clinical sample of 72 patients, by means of three clinical rated measures; the Hamilton Anxiety Rating Scale (HARS), the Hamilton Depression Rating Scale (HDRS), and the Brief Psychiatric Rating Scale (BPRS)...
April 17, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28426724/cloning-retinoid-and-peroxisome-proliferator-activated-nuclear-receptors-of-the-pacific-oyster-and-in-silico-binding-to-environmental-chemicals
#15
Susanne Vogeler, Tamara S Galloway, Michail Isupov, Tim P Bean
Disruption of nuclear receptors, a transcription factor superfamily regulating gene expression in animals, is one proposed mechanism through which pollution causes effects in aquatic invertebrates. Environmental pollutants have the ability to interfere with the receptor's functions through direct binding and inducing incorrect signals. Limited knowledge of invertebrate endocrinology and molecular regulatory mechanisms, however, impede the understanding of endocrine disruptive effects in many aquatic invertebrate species...
2017: PloS One
https://www.readbyqxmd.com/read/28423874/the-relationship-between-the-variants-in-the-5-utr-of-ecg-genes-and-serum-ecg-levels
#16
ShuQin Liu, Song Lian, YunZhou Yang, ChunZheng Fu, HongYing Ma, ZhiYao Xiong, Yao Ling, ChunJiang Zhao
Equine Chorionic Gonadotropin (eCG) is a gonadotrophic hormone secreted by endometrial cups of pregnant mare, which is used to induce follicular development. In the present study, single nucleotide polymorphisms (SNPs) in 5'-untranslated regions (5'-UTR) of eCG genes were screened across 10 horse breeds, including 7 Chinese indigenous breeds and 3 imported breeds. Four SNPs were identified in the 5'-UTR of the eCGα gene, and one of them was unique in the indigenous breeds. There were 2 SNPs detected at the 5' end of the eCGβ subunit gene, and one of them was only found in the Chinese breeds...
April 19, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28420424/a-novel-lncrna-uc-134-represses-hepatocellular-carcinoma-progression-by-inhibiting-cul4a-mediated-ubiquitination-of-lats1
#17
Wen Ni, Yuqin Zhang, Zetao Zhan, Feng Ye, Yonghao Liang, Jing Huang, Keli Chen, Longhua Chen, Yi Ding
BACKGROUND: Hepatocellular carcinoma (HCC) is one of the most common malignancies worldwide, and tumor recurrence and metastasis are major factors that contribute to the poor outcome of patients with HCC. Long noncoding RNAs (lncRNAs) are known to regulate different tumorigenic processes, and a growing body of evidence indicates that Hippo kinase signaling is inactivated in many cancers. However, the upstream lncRNA regulators of Hippo kinase signaling in HCC are poorly understood. METHODS: Using a lncRNA microarray, we identified a novel lncRNA, uc...
April 19, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28420366/pirfenidone-attenuates-bleomycin-induced-pulmonary-fibrosis-in-mice-by-regulating-nrf2-bach1-equilibrium
#18
Yuan Liu, Fuai Lu, Lirong Kang, Zhihua Wang, Yongfu Wang
BACKGROUND: Oxidative stress is one of the important factors involved in the pathogenesis of idiopathic pulmonary fibrosis (IPF). The equilibrium of Nuclear factor-erythroid-related factor 2 (Nrf2)/[BTB (broad-complex, tramtrack and bric-a-brac) and CNC (cap'n'collar protein) homology 1, Bach1] determines the expression level of antioxidant factors, further regulating the function of oxidation/antioxidation capacity. Pirfenidone (PFD) is one of two currently for IPF therapy approved drugs...
April 18, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28420006/increased-visfatin-expression-is-associated-with-nuclear-factor-kappa-%C3%AE-in-obese-ovalbumin-sensitized-male-wistar-rats-trachea
#19
Mohammad Reza Aslani, Rana Keyhanmanesh, Mohammad Reza Alipour
OBJECTIVE: To investigate the effects of diet-induced obesity on the expression of nuclear factor-kappa β and visfatin messenger RNA in male Wistar rats' tracheae after sensitization with ovalbumin (OVA). MATERIALS AND METHODS: Twenty (20) male Wistar rats were divided into four groups (n=5 for each group), that included a control fed normal diet (ND), and fed normal diet OVA-sensitized (S+ND), high-fat diet (HFD) only, (diet induced obesity) and high-fat diet OVA-sensitized (S+HFD)...
April 16, 2017: Medical Principles and Practice: International Journal of the Kuwait University, Health Science Centre
https://www.readbyqxmd.com/read/28419831/molecular-phenotyping-of-transient-postnatal-tyrosine-hydroxylase-neurons-in-the-rat-bed-nucleus-of-the-stria-terminalis
#20
David A Carter
The bed nucleus of the stria terminalis (BNST) is a complex integrative centre in the forebrain, composed of multiple sub-nuclei, each with discrete populations of neurons. Progress in understanding BNST function, both in the adult and during postnatal maturation, is dependent upon a more complete characterization of neuronal phenotypes in the BNST. The aim of the current study was to define the molecular phenotype of one postnatal BNST neuronal population, in order to identify molecular factors that may underlie both (protein marker-related) immaturity, and secondly, the transience of this phenotype...
April 15, 2017: Journal of Chemical Neuroanatomy
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