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https://www.readbyqxmd.com/read/28550811/influence-of-solids-residence-time-and-carbon-storage-on-nitrogen-and-phosphorus-recovery-by-microalgae-across-diel-cycles
#1
D A Gardner-Dale, I M Bradley, J S Guest
Microalgal treatment systems could advance nutrient recovery from wastewater by achieving effluent nitrogen (N) and phosphorus (P) levels below the current limit of technology, but their successful implementation requires an understanding of how design decisions influence nutrient uptake over daily (i.e., diel) cycles. This work demonstrates the ability to influence microalgal N:P recovery ratio via solids residence time (SRT) while maintaining complete nutrient removal across day/night cycles through carbon storage and mobilization...
May 18, 2017: Water Research
https://www.readbyqxmd.com/read/28550722/inflammasome-expression-and-cytomegalovirus-viremia-in-critically-ill-patients-with-sepsis
#2
Nina Singh, Makoto Inoue, Ryosuke Osawa, Marilyn M Wagener, Mari L Shinohara
BACKGROUND: CMV viremia is a contributor to poor outcomes in critically ill patients with sepsis. OBJECTIVES: To assess the expression levels of genes encoding inflammasome-related proteins in the development of CMV viremia in critically ill patients with sepsis. STUDY DESIGN: A cohort of CMV-seropositive critically ill patients with sepsis due to bloodstream infection underwent weekly testing for CMV viremia. Blood samples to evaluate mRNA levels of genes encoding CASP1, ASC, NLRP1, NLRP3, and NLRP12 were collected at the time of enrollment...
May 18, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/28550686/microrna-186-suppresses-cell-proliferation-and-metastasis-through-targeting-sentrin-specific-protease-1-in-renal-cell-carcinoma
#3
Dan Jiao, Man Wu, Lei Ji, Feng Liu, Yingying Liu
Recent evidence suggests that dysregulation of microRNAs are associated with the development of multiple malignancies.miR-186 has been reported as a critical cancer regulator in several types of cancers. However, its functional significance and molecular mechanism underlying renal cell carcinoma (RCC) remains unknown. In this study, our results showed that miR-186 expression was dramatically downregulated in RCC tissues and cell lines compared to that in adjacent normal tissues and cell lines. Overexpression of miR-186 significantly inhibited cell growth, colony formation, cell invasion, caused cell cycle arrest at G0/G1 phase, and induced cell apoptosis as detected by MTT, colony formation, Transwell assay, and flow cytometry assays in RCC cells...
May 21, 2017: Oncology Research
https://www.readbyqxmd.com/read/28550683/oncogenic-role-of-microrna-30b-5p-in-glioblastoma-through-targeting-proline-rich-transmembrane-protein-2
#4
Zhongjun Li, Junxiu Guo, Yujie Ma, Zhixiong Lin, Longbo Zhang
MicroRNAs (miRs) have been found to play promoting or suppressive roles in different human cancers. However, the exactregulatory mechanism of miR-30b in glioblastoma still remains unknown. Here we showed that the expression of miR-30b was significantly increased in glioblastoma tissues and cell lines. Moreover, high expression of miR-30b was significantly associated with shorter survival time of glioblastoma patients. Knockdown of miR-30b caused a significant reduction in the proliferation, migration, and invasion of U87 and A172 cells...
May 17, 2017: Oncology Research
https://www.readbyqxmd.com/read/28550501/grass-carp-reovirus-gd108-fiber-protein-is-involved-in-cell-attachment
#5
Yuanyuan Tian, Zhenzhen Jiao, Junjian Dong, Chengfei Sun, Xiaoyan Jiang, Xing Ye
Viral attachment to specific host receptors is the first step in viral infection and serves an essential function in the selection of target cells. In this study, structure analysis, neutralization assays, and cell attachment assays were carried out to evaluate the cell attachment functions of the outer capsid fiber protein of grass carp reovirus GD108 strain (GCRV-GD108). The GCRV-GD108 fiber protein contained 512 amino acids encoded by S7 segment and shared sequence similarities with mammalian reovirus cell attachment protein σ1 and adenovirus fiber...
May 26, 2017: Virus Genes
https://www.readbyqxmd.com/read/28550492/microrna-889-is-downregulated-by-histone-deacetylase-inhibitors-and-confers-resistance-to-natural-killer-cytotoxicity-in-hepatocellular-carcinoma-cells
#6
Haitao Xie, Qiugui Zhang, Hui Zhou, Jun Zhou, Ji Zhang, Yan Jiang, Jinghong Wang, Xianglin Meng, Leping Zeng, Xiaoxin Jiang
Major histocompatibility complex class I chain-related gene B (MICB) is expressed on tumor cells and participates in natural killer (NK) cell-mediated antitumor immune response through engagement with the NKG2D receptor. This study was undertaken to identify novel microRNA (miRNA) regulators of MICB and clarify their functions in NK cell-mediated cytotoxicity to hepatocellular carcinoma (HCC) cells. Bioinformatic analysis and luciferase reporter assay were conducted to search for MICB-targeting miRNAs. Overexpression and knockdown experiments were performed to determine the roles of candidate miRNAs in the susceptibility of HCC cells to NK lysis...
May 26, 2017: Cytotechnology
https://www.readbyqxmd.com/read/28550472/salt-induced-na-k-atpase-%C3%AE-%C3%AE-expression-involves-soluble-adenylyl-cyclase-in-endothelial-cells
#7
Mirja Mewes, Johanna Nedele, Katrin Schelleckes, Olga Bondareva, Malte Lenders, Kristina Kusche-Vihrog, Hans-Joachim Schnittler, Stefan-Martin Brand, Boris Schmitz, Eva Brand
High dietary salt intake may lead to vascular stiffness, which predicts cardiovascular diseases such as heart failure, and myocardial and cerebral infarctions as well as renal impairment. The vascular endothelium is a primary target for deleterious salt effects leading to dysfunction and endothelial stiffness. We hypothesize that the Ca(2+)- and bicarbonate-activated soluble adenylyl cyclase (sAC) contributes to Na(+)/K(+)-ATPase expression regulation in vascular endothelial cells and is an important regulator of endothelial stiffness...
May 26, 2017: Pflügers Archiv: European Journal of Physiology
https://www.readbyqxmd.com/read/28550268/improving-reproducibility-of-phenotypic-assessments-in-the-dyw-mouse-model-of-laminin-%C3%AE-2-related-congenital-muscular-dystrophy
#8
Raffaella Willmann, Heather Gordish-Dressman, Sarina Meinen, Markus A Rüegg, Qing Yu, Kanneboyina Nagaraju, Ayar Kumar, Mahasweta Girgenrath, Caroline B M Coffey, Vivian Cruz, Pam M Van Ry, Laurent Bogdanik, Cathleen Lutz, Anne Rutkowski, Dean J Burkin
Laminin-α2 related Congenital Muscular Dystrophy (LAMA2-CMD) is a progressive muscle disease caused by partial or complete deficiency of laminin-211, a skeletal muscle extracellular matrix protein. In the last decade, basic science research has queried underlying disease mechanisms in existing LAMA2-CMD murine models and identified possible clinical targets and pharmacological interventions. Experimental rigor in preclinical studies is critical to efficiently and accurately quantify both negative and positive results, degree of efficiency of potential therapeutics and determine whether to move a compound forward for additional preclinical testing...
May 24, 2017: Journal of Neuromuscular Diseases
https://www.readbyqxmd.com/read/28550243/apomorphine-therapy-for-neuronal-insulin-resistance-in-a-mouse-model-of-alzheimer-s-disease
#9
Norimichi Nakamura, Yasumasa Ohyagi, Tomohiro Imamura, Yuki T Yanagihara, Kyoko M Iinuma, Naoko Soejima, Hiroyuki Murai, Ryo Yamasaki, Jun-Ichi Kira
Apomorphine (APO) promotes intraneuronal amyloid-β (Aβ) degradation and improves memory function in an Alzheimer's disease (AD) model, 3xTg-AD mice. Since insulin resistance is increased in AD neurons, we investigated the effects of APO on brain insulin resistance in 3xTg-AD mice at early and late stages. After 1-month subcutaneous injection of Apokyn® to 3xTg-AD mice at 6 or 12 months of age, memory function was significantly improved in both age groups. Protein levels of insulin-degrading enzyme (IDE), which is linked to insulin signaling and degrades Aβ, significantly increased in the 3xTg-AD mice brain compared with non-transgenic mice, and were further increased by APO...
May 25, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28550207/atx3-atx4-and-atx5-encode-putative-h3k4-methyltransferases-and-are-critical-for-plant-development
#10
Liqun Chen, Jinhong Luo, Zhenhai Cui, Ming Xue, Li Wang, Xiaoyu Zhang, Wojtek P Pawlowski, Yan He
Methylation of lysine residues in the tail of the H3 histone is a key regulator of chromatin state and gene expression, conferred by a large family of enzymes containing an evolutionarily-conserved SET domain. One of the main types of SET domain proteins are those controlling H3K4 di- and trimethylation. The genome of Arabidopsis encodes 12 such proteins, including five ARABIDOPSIS TRITHORAX (ATX) proteins and seven ATX-Related (ATXR) proteins. Here we examined three until-now-unexplored ATX proteins, ATX3, ATX4, and ATX5...
May 26, 2017: Plant Physiology
https://www.readbyqxmd.com/read/28550180/a-novel-de-novo-mutation-in-prkag2-gene-infantile-onset-phenotype-and-signaling-pathway-involved
#11
Yanchun Xu, Alex Gray, David Grahame Hardie, Alper Uzun, Sunil Shaw, James F Padbury, Chanika Phornphutkul, Yi-Tang Tseng
PRKAG2 encodes the γ2-subunit isoform of the 5' AMP-activated protein kinase (AMPK), a heterotrimeric enzyme with major roles in regulation of energy metabolism in response to cellular stress. Mutations in PRKAG2 have been implicated in a unique hypertrophic cardiomyopathy (HCM) characterized by cardiac glycogen overload, ventricular preexcitation and hypertrophy. We identified a novel, de novo PRKAG2 mutation (K475E) in a neonate with prenatal onset of HCM. We aimed to investigate the cellular impact, signaling pathways involved and therapeutic options for K475E mutation using cells stably expressing human wild type (WT) or the K475E mutant...
May 26, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28550175/chronic-hypoxia-attenuates-the-vasodilator-efficacy-of-protein-kinase-g-in-fetal-and-adult-ovine-cerebral-arteries
#12
Richard B Thorpe, Margaret C Hubbell, Jinjutha Silpanisong, James M Williams, William J Pearce
Long-term hypoxia (LTH) attenuates nitric oxide (NO) induced vasorelaxation in ovine middle cerebral arteries. Because cGMP-dependent protein kinase (PKG) is an important mediator of NO signaling in vascular smooth muscle, we tested the hypothesis that LTH diminishes the ability of PKG to interact with target proteins and cause vasorelaxation. Prominent among proteins that regulate vascular tone is the large conductance calcium-sensitive potassium (BK) channel, which is a substrate for PKG and is responsive to phosphorylation on multiple serine/threonine residues...
May 26, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28550168/reduced-expression-of-foxp1-as-a-contributing-factor-in-huntington-s-disease
#13
Anto Sam Crosslee Louis Sam Titus, Tanzeen Yusuff, Marlène Cassar, Elizabeth Thomas, Doris Kretzschmar, Santosh R D'Mello
Huntington's disease (HD) is an inherited neurodegenerative disease caused by a polyglutamine expansion in the huntington protein (htt). The neuropathological hallmark of HD is the loss of neurons in the striatum and, to a lesser extent, in the cortex. Foxp1 is a member of the Forkhead family of transcription factors expressed selectively in the striatum and the cortex. In the brain, three major Foxp1 isoforms are expressed - isoform-A (∼90 kDa), isoform-D (∼70 kDa) and isoform-C (∼50 kDa). We find that expression of Foxp1 isoforms A and D is selectively reduced in the striatum and cortex of R6/2 HD mice as well as in the striatum of HD patients...
May 26, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28550167/prediction-of-response-to-sorafenib-in-hepatocellular-carcinoma-a-marker-panel-by-multiple-reaction-monitoring-mass-spectrometry
#14
Hyunsoo Kim, Su Jong Yu, Injun Yeo, Young Youn Cho, Dong Hyeon Lee, Yuri Cho, Eun Ju Cho, Jeong-Hoon Lee, Yoon Jun Kim, Sungyoung Lee, Jongsoo Jun, Taesung Park, Jung-Hwan Yoon, Youngsoo Kim
Sorafenib is the only standard treatment for unresectable hepatocellular carcinoma (HCC), but it provides modest survival benefits over placebo, necessitating predictive biomarkers of the response to sorafenib. Serum samples were obtained from 115 consecutive patients with HCC before sorafenib treatment and analyzed by multiple reaction monitoring-mass spectrometry (MRM-MS) and ELISA to quantify candidate biomarkers. We verified a triple-marker panel to be predictive of the response to sorafenib by MRM-MS, comprising CD5 antigen-like (CD5L), immunoglobulin J (IGJ), and galectin-3-binding protein (LGALS3BP), in HCC patients...
May 26, 2017: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/28550144/exacerbation-of-oxygen-glucose-deprivation-induced-blood-brain-barrier-disruption-potential-pathogenic-role-of-interleukin-9-in-ischemic-stroke
#15
Sha Tan, Yilong Shan, Yuge Wang, Yinyao Lin, Siyuan Liao, Zhezhi Deng, Li Zhou, Wei Cai, Qin Zeng, Lei Zhang, Bingjun Zhang, Xuejiao Men, Haiyan Li, Xueqiang Hu, Changyou Wu, Lisheng Peng, Zhengqi Lu
Interleukin (IL) -9 exerts a variety of functions in autoimmune diseases. However, its role in ischemic brain injury remains unknown. The present study explored the biological effects of IL-9 in ischemic stroke. We recruited 42 patients newly diagnosed with ischemic stroke and 22 age- and sex-matched healthy controls. The expression levels of IL-9 and percentages of IL-9-producing T cells, including CD3+CD4+IL-9+ and CD3+CD8+IL-9+ cells, were determined in peripheral blood mononuclear cells (PBMCs) obtained from patients and control individuals...
May 26, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28550120/hiv-1-decreases-nrf2-are-activity-and-phagocytic-function-in-alveolar-macrophages
#16
Bashar S Staitieh, Lingmei Ding, Wendy A Neveu, Paul Spearman, David M Guidot, Xian Fan
Respiratory complications occur frequently in individuals living with human immunodeficiency-1 virus (HIV) infection, and there is evidence that HIV-related oxidative stress impairs alveolar macrophage immune function. We hypothesized that nuclear factor (erythroid-derived 2)-like 2 (Nrf2), a master transcription factor that activates the antioxidant response element (ARE) and regulates antioxidant defenses, has an important role in alveolar macrophage (AMs) immune dysfunction in individuals with HIV infections...
May 26, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/28550115/involvement-of-cell-surface-90-kda-heat-shock-protein-hsp90-in-pattern-recognition-by-human-monocyte-derived-macrophages
#17
Małgorzata Bzowska, Anna Nogieć, Krystian Bania, Magdalena Zygmunt, Mirosław Zarębski, Jerzy Dobrucki, Krzysztof Guzik
Heat shock proteins (HSPs) are typical intracellular chaperones which also appear on the cell surface and in extracellular milieu. HSP90, which chaperones many proteins involved in signal transduction, is also a regular component of LPS-signaling complexes on Mϕ. As LPS is a prototypical PAMP, we speculated that HSP90 is engaged in pattern recognition by professional phagocytes. In this report, we provide the first evidence, to our knowledge, of the geldanamycin (Ge)-inhibitable HSP90 on the surface of live monocyte-derived Mϕs (hMDMs)...
May 26, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/28550085/knockdown-of-sodium-calcium-exchanger-1-induces-epithelial-to-mesenchymal-transition-in-kidney-epithelial-cells
#18
Sona Lakshme Balasubramaniam, Anilkumar Gopalakrishnapillai, Nicholas J Petrelli, Sonali P Barwe
Mesenchymal to epithelial transition (MET) and epithelial to mesenchymal transition (EMT) are important processes in kidney development. Failure to undergo MET during development leads to the initiation of Wilms tumor (WT) whereas EMT contributes to the development of renal cell carcinomas (RCC). The role of calcium regulators in governing these processes is becoming evident. We demonstrated earlier that Na+/Ca2+ exchanger 1 (NCX1), a major calcium exporter in renal epithelial cells, regulates epithelial cell motility...
May 26, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28550027/exceptional-response-to-nivolumab-and-stereotactic-body-radiation-therapy-sbrt-in-neuroendocrine-cervical-carcinoma-with-high-tumor-mutational-burden-management-considerations-from-the-center-for-personalized-cancer-therapy-at-uc-san-diego-moores-cancer-center
#19
Andrew Sharabi, Sangwoo Shawn Kim, Shumei Kato, Philip D Sanders, Sandip Pravin Patel, Parag Sanghvi, Elizabeth Weihe, Razelle Kurzrock
Neuroendocrine carcinoma of the cervix is an ultra-rare malignancy with a poor prognosis and limited treatment options. Checkpoint blockade immunotherapy has rapidly developed into an emerging standard of care for several common disease types. Interestingly, in preclinical and retrospective clinical data, radiation therapy has been demonstrated to synergize with checkpoint inhibitors. Here we report a patient with metastatic, chemotherapy-refractory neuroendocrine carcinoma who presented with partial bowel obstruction due to a large tumor burden...
May 26, 2017: Oncologist
https://www.readbyqxmd.com/read/28550017/a-lysine-desert-protects-a-novel-domain-in-the-slx5-slx8-sumo-targeted-ub-ligase-to-maintain-sumoylation-levels-in-saccharomyces-cerevisiae
#20
Pragati Sharma, Janet R Mullen, Minxing Li, Mikel Zaratiegui, Samuel F Bunting, Steven J Brill
Protein modification by the small ubiquitin-like modifier (SUMO) plays important roles in genome maintenance. In Saccharomyces cerevisiae, proper regulation of sumoylation is known to be essential for viability in certain DNA repair mutants. Here we find the opposite result; proper regulation of sumoylation is lethal in certain DNA repair mutants. Yeast cells lacking the repair factors TDP1 and WSS1 are synthetically lethal due to their redundant roles in removing Top1-DNA covalent complexes (Top1ccs). A screen for suppressors of tdp1∆ wss1∆ synthetic lethality isolated mutations in genes known to control global sumoylation levels including ULP1, ULP2, SIZ2 and SLX5 The results suggest that alternative pathways of repair become available when sumoylation levels are altered...
May 26, 2017: Genetics
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