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https://www.readbyqxmd.com/read/29149532/exploitation-of-micrornas-by-japanese-encephalitis-virus-in-human-microglial-cells
#1
Meghana Rastogi, Neha Srivastava, Sunit K Singh
JEV infection in CNS leads to the JE neuroinflammation. Children and old age individual have been reported to be more prone to JEV infection. MicroRNAs are endogenous, small non-coding RNAs, which regulate the gene expression. These are ∼22 nucleotide long, conserved RNA sequence that binds at the 3'UTR of a target mRNA and regulate the post-transcriptional gene expression. The role of microRNAs has been reported in several diseases like cancer, viral infection, neuro-degeneration, diabetes etc. In the present study, the human microglial cells were infected with JEV (JaOAr strain)...
November 17, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/29148847/emerging-therapeutic-targets-in-myeloproliferative-neoplasms-and-peripheral-t-cell-leukemia-and-lymphomas
#2
Anna Orlova, Bettina Wingelhofer, Heidi A Neubauer, Barbara Maurer, Angelika Berger-Becvar, György Miklós Keserű, Patrick T Gunning, Peter Valent, Richard Moriggl
Hematopoietic neoplasms are often driven by gain-of-function mutations of the JAK-STAT pathway together with mutations of chromatin remodeling and DNA damage control pathways. The interconnection between the JAK-STAT pathway, epigenetic regulation or DNA damage control is still poorly understood in cancer cell biology. Areas covered: Here, we focus on a broader description of mutational insights into myeloproliferative neoplasms and peripheral T-cell leukemia and lymphomas, since sequencing efforts have identified similar combinations of driver mutations in these diseases covering different lineages...
November 17, 2017: Expert Opinion on Therapeutic Targets
https://www.readbyqxmd.com/read/29148541/integrated-genomic-analysis-identifies-deregulated-jak-stat-myc-biosynthesis-axis-in-aggressive-nk-cell-leukemia
#3
Liang Huang, Dan Liu, Na Wang, Shaoping Ling, Yuting Tang, Jun Wu, Lingtong Hao, Hui Luo, Xuelian Hu, Lingshuang Sheng, Lijun Zhu, Di Wang, Yi Luo, Zhen Shang, Min Xiao, Xia Mao, Kuangguo Zhou, Lihua Cao, Lili Dong, Xinchang Zheng, Pinpin Sui, Jianlin He, Shanlan Mo, Jin Yan, Qilin Ao, Lugui Qiu, Hongsheng Zhou, Qifa Liu, Hongyu Zhang, Jianyong Li, Jie Jin, Li Fu, Weili Zhao, Jieping Chen, Xin Du, Guoliang Qing, Hudan Liu, Xin Liu, Gang Huang, Ding Ma, Jianfeng Zhou, Qian-Fei Wang
Aggressive NK-cell leukemia (ANKL) is a rare form of NK cell neoplasm that is more prevalent among people from Asia and Central and South America. Patients usually die within days to months, even after receiving prompt therapeutic management. Here we performed the first comprehensive study of ANKL by integrating whole genome, transcriptome and targeted sequencing, cytokine array as well as functional assays. Mutations in the JAK-STAT pathway were identified in 48% (14/29) of ANKL patients, while the extracellular STAT3 stimulator IL10 was elevated by an average of 56-fold (P < 0...
November 17, 2017: Cell Research
https://www.readbyqxmd.com/read/29147786/risk-factors-for-development-of-ectopic-atrial-tachycardia-in-post-operative-congenital-heart-disease
#4
Bradley C Clark, John T Berger, Charles I Berul, Richard A Jonas, Jonathan R Kaltman, Julianne Lapsa, Dilip S Nath, Elizabeth D Sherwin, Pranava Sinha, David Zurakowski, Jeffrey P Moak
Ectopic atrial tachycardia (EAT) is common in surgically repaired congenital heart disease (CHD) and carries the potential for significant hemodynamic compromise. Our objective was to determine the incidence, and risk factors of EAT after CHD surgery. Prospective study of patients that underwent surgery for CHD from February to October 2016 was performed. Demographic, perioperative and electrophysiologic data were collected. Sustained EAT (> 30 s) was documented by telemetry or electrocardiogram and confirmed by a pediatric electrophysiologist...
November 17, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/29146985/drosophila-muscles-regulate-the-immune-response-against-wasp-infection-via-carbohydrate-metabolism
#5
Hairu Yang, Dan Hultmark
We recently found that JAK/STAT signaling in skeletal muscles is important for the immune response of Drosophila larvae against wasp infection, but it was not clear how muscles could affect the immune response. Here we show that insulin signaling is required in muscles, but not in fat body or hemocytes, during larval development for an efficient encapsulation response and for the formation of lamellocytes. This effect requires TOR signaling. We show that muscle tissue affects the immune response by acting as a master regulator of carbohydrate metabolism in the infected animal, via JAK/STAT and insulin signaling in the muscles, and that there is indirect positive feedback between JAK/STAT and insulin signaling in the muscles...
November 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29144546/presence-of-infection-and-analysis-of-hpv-subtypes-in-girls-younger-than-9-years-old-attended-at-a-referral-service-in-esp%C3%A3-rito-santo-brazil
#6
Mariana Penha De Nadai Sartori, Lidiane Pignaton Agostini, Thaís Tristão Tovar, Raquel Silva Dos Reis, Raquel Spinassé Dettogni, Eldamária de Vargas Wolfgramm Dos Santos, Antônio Chambô Filho, Iúri Drumond Louro
PURPOSE: Human papillomavirus is found in adults and adolescents and is associated with genital warts and cervical cancer. However, it has been detected in girls younger than 10 years old. Currently, there are no prevention methods for this age group, since it is not considered a risk group. The aim of this study was to evaluate the presence of infection and HPV subtype in girls under 9 years old attended at a referral service in the State of Espírito Santo, Brazil. METHODS: Forty-three girls younger than 9 years old had gynecological brush samples collected from vulval and perineal/anal regions...
November 16, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/29143466/tuberculosis-serosurveillance-and-management-practices-of-captive-african-elephants-loxodonta-africana-in-the-kavango-zambezi-transfrontier-conservation-area
#7
L E Rosen, T G Hanyire, J Dawson, C M Foggin, A L Michel, K P Huyvaert, M A Miller, F J Olea-Popelka
Transfrontier conservation areas represent an international effort to encourage conservation and sustainable development. Their success faces a number of challenges, including disease management in wildlife, livestock and humans. Tuberculosis (TB) affects humans and a multitude of non-human animal species and is of particular concern in sub-Saharan Africa. The Kavango-Zambezi Transfrontier Conservation Area encompasses five countries, including Zimbabwe, and is home to the largest contiguous population of free-ranging elephants in Africa...
November 16, 2017: Transboundary and Emerging Diseases
https://www.readbyqxmd.com/read/29142473/genetic-associations-with-adverse-events-from-anti-tumor-necrosis-factor-therapy-in-inflammatory-bowel-disease-patients
#8
Daniel Lew, Soon Man Yoon, Xiaofei Yan, Lori Robbins, Talin Haritunians, Zhenqiu Liu, Dalin Li, Dermot Pb McGovern
AIM: To study the type and frequency of adverse events associated with anti-tumor necrosis factor (TNF) therapy and evaluate for any serologic and genetic associations. METHODS: This study was a retrospective review of patients attending the inflammatory bowel disease (IBD) centers at Cedars-Sinai IBD Center from 2005-2016. Adverse events were identified via chart review. IBD serologies were measured by ELISA. DNA samples were genotyped at Cedars-Sinai using Illumina Infinium Immunochipv1 array per manufacturer's protocol...
October 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29142404/chalepin-a-compound-from-ruta-angustifolia-l-pers-exhibits-cell-cycle-arrest-at-s-phase-suppresses-nuclear-factor-kappa-b-nf-%C3%AE%C2%BAb-pathway-signal-transducer-and-activation-of-transcription-3-stat3-phosphorylation-and-extrinsic-apoptotic-pathway-in-non-small-cell
#9
Jaime Stella Moses Richardson, Norhaniza Aminudin, Sri Nurestri Abd Malek
Background: Plants have been a major source of inspiration in developing novel drug compounds in the treatment of various diseases that afflict human beings worldwide. Ruta angustifolia L. Pers known locally as Garuda has been conventionally used for various medicinal purposes such as in the treatment of cancer. Objective: A dihydrofuranocoumarin named chalepin, which was isolated from the chloroform extract of the plant, was tested on its ability to inhibit molecular pathways of human lung carcinoma (A549) cells...
October 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29142070/gfap-and-osmr-regulation-by-brg1-and-stat3-via-interchromosomal-gene-clustering-in-astrocytes
#10
Kenji Ito, Azumi Noguchi, Yuichi Uosaki, Testuya Taga, Hirokazu Arakawa, Takumi Takizawa
Long-range chromatin interactions between gene loci in the cell nucleus are important for many biological processes including transcriptional regulation. Previously, we demonstrated that several genes specifically cluster with the astrocyte-specific gene glial fibrillary acidic protein (Gfap) during astrocyte differentiation; however, the molecular mechanisms for gene clustering remain largely unknown. Here we show that brahma-related gene 1 (BRG1), an ATP-dependent chromatin remodeling factor, and the transcription factor STAT3 are required for Gfap and Osmr clustering and enhanced expression through recruitment to STAT3 recognition sequences and that gene clustering occurs prior to transcriptional upregulation...
November 15, 2017: Molecular Biology of the Cell
https://www.readbyqxmd.com/read/29141533/targeting-cancer-stem-cells-and-non-stem-cancer-cells-the-potential-of-lipid-based-nanoparticles
#11
Ana Filipa Cruz, Nuno Andre Fonseca, Vera Moura, Sergio Simoes, Joao Nuno Moreira
Background Cancer stem cells (CSCs) have been described as a relevant contributor to tumorigenicity, metastasis, tumor recurrence and drug resistance, making this cell population a relevant target in solid tumors. METHODS: This has stimulated the development of different therapeutic strategies often targeting surface markers (CD44, epithelial cell adhesion molecule (EpCAM), aldehyde dehydrogenase (ALDH) and nucleolin) and/or signaling pathways that are aberrantly activated and contribute to CSCs proliferation and survival...
November 14, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/29138867/effect-of-xanthohumol-on-th1-th2-balance-in-a-breast-cancer-mouse-model
#12
Wenchao Zhang, Yanlong Pan, Panhong Gou, Cheng Zhou, Lianqing Ma, Qiming Liu, Yuping Du, Jinbo Yang, Qin Wang
Xanthohumol (XN), a prenylflavonoid found in the hop plant, Humulus lupulus, exhibits a variety of biological activities. Numerous studies have reported that XN inhibits the growth of many types of cancer cells, but the effects of XN on tumor immunity have not yet been studied. We explored the effect of XN on Th1/Th2 balance and the underlying mechanism based on a BALB/c-4T1 breast cancer mouse model. The results showed that XN significantly slowed down tumor growth and inhibited expression of antitumor proliferation protein Ki-67 as well as breast cancer-specific marker cancer antigen 15-3 (CA15-3)...
November 13, 2017: Oncology Reports
https://www.readbyqxmd.com/read/29138331/correction-for-wang-et-al-mitogen-activated-protein-kinase-kinase-2-a-novel-e2-interacting-protein-promotes-the-growth-of-classical-swine-fever-virus-via-attenuation-of-the-jak-stat-signaling-pathway
#13
Jinghan Wang, Shucheng Chen, Yajin Liao, Enyu Zhang, Shuo Feng, Shaoxiong Yu, Lian-Feng Li, Wen-Rui He, Yongfeng Li, Yuzi Luo, Yuan Sun, Mo Zhou, Xiao Wang, Muhammad Munir, Su Li, Hua-Ji Qiu
No abstract text is available yet for this article.
December 1, 2017: Journal of Virology
https://www.readbyqxmd.com/read/29138265/targeted-delivery-of-stat-3-modulator-to-breast-cancer-stem-like-cells-down-regulates-a-series-of-stem-ness-genes
#14
Santosh K Misra, Arun De, Dipanjan Pan
Cancer stem cells are known to be controlled by pathways that are dormant in normal adult cells, e.g. PTEN, which is a negative regulator of transcription factor STAT3. STAT3 regulates genes that are involved in stem cell self-renewal and thus represents a novel therapeutic target of enormous clinical significance. Studies on breast cancer stem cells (BCSCs) have been also significantly correlated with STATs. We describe here for the first time a novel strategy to selectively target CSCs and to induce downregulation of STAT3 downstream target genes reducing expression of series of 'stem-ness genes' in treated tumors...
November 14, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/29137403/chicken-ccdc152-shares-an-nfyb-regulated-bidirectional-promoter-with-a-growth-hormone-receptor-antisense-transcript-and-inhibits-cells-proliferation-and-migration
#15
Shudai Lin, Wei Luo, Mingya Jiang, Wen Luo, Bahareldin Ali Abdalla, Qinghua Nie, Li Zhang, Xiquan Zhang
The chicken coiled-coil domain-containing protein 152 (CCDC152) recently has been identified as a novel one implicated in cell cycle regulation, cellular proliferation and migration by us. Here we demonstrate that CCDC152 is oriented in a head-to-head configuration with the antisense transcript of growth hormone receptor (GHR) gene. Through serial luciferase reporter assays, we firstly identified a minimal 102 bp intergenic region as a core bidirectional promoter to drive basal transcription in divergent orientations...
October 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/29136942/targeted-poly-3-hydroxybutyrate-co-3-hydroxyvalerate-bioplastic-production-from-carbon-dioxide
#16
Stef Ghysels, Md Salatul Islam Mozumder, Heleen De Wever, Eveline I P Volcke, Linsey Garcia-Gonzalez
A microbial production process was developed to convert CO2 and valeric acid into tailored poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) bioplastics. The aim was to understand microbial PHBV production in mixotrophic conditions and to control the monomer distribution in the polymer. Continuous sparging of CO2 with pulse and pH-stat feeding of valeric acid were evaluated to produce PHBV copolyesters with predefined properties. The desired random monomer distribution was obtained by limiting the valeric acid concentration (below 1 gL(-1))...
November 9, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/29136098/sequential-search-leads-to-faster-more-efficient-fragment-based-de-novo-protein-structure-prediction
#17
Saulo H P de Oliveira, Eleanor C Law, Jiye Shi, Charlotte M Deane
Motivation: Most current de novo structure prediction methods randomly sample protein conformations and thus require large amounts of computational resource. Here, we consider a sequential sampling strategy, building on ideas from recent experimental work which shows that many proteins fold cotranslationally. Results: We have investigated whether a pseudo-greedy search approach, which begins sequentially from one of the termini, can improve the performance and accuracy of de novo protein structure prediction...
November 9, 2017: Bioinformatics
https://www.readbyqxmd.com/read/29136084/predicting-loop-conformational-ensembles
#18
Claire Marks, Jiye Shi, Charlotte M Deane
Motivation: Protein function is often facilitated by the existence of multiple stable conformations. Structure prediction algorithms need to be able to model these different conformations accurately, and produce an ensemble of structures that represent a target's conformational diversity rather than just a single state. Here, we investigate whether current loop prediction algorithms are capable of this. We use the algorithms to predict the structures of loops with multiple experimentally-determined conformations, and the structures of loops with only one conformation, and assess their ability to generate and select decoys that are close to any, or all, of the observed structures...
November 10, 2017: Bioinformatics
https://www.readbyqxmd.com/read/29136005/a-17-molecule-set-as-a-predictor-of-complete-response-to-neoadjuvant-chemotherapy-with-docetaxel-cisplatin-and-5-fluorouracil-in-esophageal-cancer
#19
Hajime Fujishima, Shoichi Fumoto, Tomotaka Shibata, Kohei Nishiki, Yoshiyuki Tsukamoto, Tsuyoshi Etoh, Masatsugu Moriyama, Norio Shiraishi, Masafumi Inomata
BACKGROUND: Recently, neoadjuvant chemotherapy with docetaxel/cisplatin/5-fluorouracil (NAC-DCF) was identified as a novel strong regimen with a high rate of pathological complete response (pCR) in advanced esophageal cancer in Japan. Predicting pCR will contribute to the therapeutic strategy and the prevention of surgical invasion. However, a predictor of pCR after NAC-DCF has not yet been developed. The aim of this study was to identify a novel predictor of pCR in locally advanced esophageal cancer treated with NAC-DCF...
2017: PloS One
https://www.readbyqxmd.com/read/29135282/genome-wide-dna-methylation-drives-human-embryonic-stem-cell-erythropoiesis-by-remodeling-gene-expression-dynamics
#20
Zhijing Liu, Qiang Feng, Pengpeng Sun, Yan Lu, Minlan Yang, Xiaowei Zhang, Xiangshu Jin, Yulin Li, Shi-Jiang Lu, Chengshi Quan
AIM: To investigate the role of DNA methylation during erythrocyte production by human embryonic stem cells (hESCs). METHODS: We employed an erythroid differentiation model from hESCs, and then tracked the genome-wide DNA methylation maps and gene expression patterns through an Infinium HumanMethylation450K BeadChip and an Ilumina Human HT-12 v4 Expression Beadchip, respectively. RESULTS: A negative correlation between DNA methylation and gene expression was substantially enriched during the later differentiation stage and was present in both the promoter and the gene body...
November 14, 2017: Epigenomics
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