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https://www.readbyqxmd.com/read/28220997/highly-stable-sr-free-cobaltite-based-perovskite-cathodes-directly-assembled-on-a-barrier-layer-free-y2-o3-zro2-electrolyte-of-solid-oxide-fuel-cells
#1
Na Ai, Na Li, William D A Rickard, Yi Cheng, Kongfa Chen, San Ping Jiang
Direct assembly is a newly developed technique in which a cobaltite-based perovskite (CBP) cathode can be directly applied to a barrier-layer-free Y2 O3 -ZrO2 (YSZ) electrolyte with no high-temperature pre-sintering steps. Solid oxide fuel cells (SOFCs) based on directly assembled CBPs such as La0.6 Sr0.4 Co0.2 Fe0.8 O3-δ show high performance initially but degrade rapidly under SOFC operation conditions at 750 °C owing to Sr segregation and accumulation at the electrode/electrolyte interface. Herein, the performance and interface of Sr-free CBPs such as LaCoO3-δ (LC) and Sm0...
February 21, 2017: ChemSusChem
https://www.readbyqxmd.com/read/28213119/the-heterogeneity-of-the-left-dorsal-premotor-cortex-evidenced-by-multimodal-connectivity-based-parcellation-and-functional-characterization
#2
Sarah Genon, Andrew Reid, Hai Li, Lingzhong Fan, Veronika I Müller, Edna C Cieslik, Felix Hoffstaedter, Robert Langner, Christian Grefkes, Angela R Laird, Peter T Fox, Tianzi Jiang, Katrin Amunts, Simon B Eickhoff
Despite the common conception of the dorsal premotor cortex (PMd) as a single brain region, its diverse connectivity profiles and behavioral heterogeneity argue for a differentiated organization of the PMd. A previous study revealed that the right PMd is characterized by a rostro-caudal and a ventro-dorsal distinction dividing it into five subregions: rostral, central, caudal, ventral and dorsal. The present study assessed whether a similar organization is present in the left hemisphere, by capitalizing on a multimodal data-driven approach combining connectivity-based parcellation (CBP) based on meta-analytic modeling, resting-state functional connectivity, and probabilistic diffusion tractography...
February 14, 2017: NeuroImage
https://www.readbyqxmd.com/read/28196093/a-massive-experiment-on-choice-blindness-in-political-decisions-confidence-confabulation-and-unconscious-detection-of-self-deception
#3
Andrés Rieznik, Lorena Moscovich, Alan Frieiro, Julieta Figini, Rodrigo Catalano, Juan Manuel Garrido, Facundo Álvarez Heduan, Mariano Sigman, Pablo A Gonzalez
We implemented a Choice Blindness Paradigm containing political statements in Argentina to reveal the existence of categorical ranges of introspective reports, identified by confidence and agreement levels, separating easy from very hard to manipulate decisions. CBP was implemented in both live and web-based forms. Importantly, and contrary to what was observed in Sweden, we did not observe changes in voting intentions. Also, confidence levels in the manipulated replies where significantly lower than in non-manipulated cases even in undetected manipulations...
2017: PloS One
https://www.readbyqxmd.com/read/28184025/metabolic-interrogation-as-a-tool-to-optimize-chemotherapeutic-regimens
#4
Vlad C Sandulache, Yunyun Chen, Lei Feng, William N William, Heath D Skinner, Jeffrey N Myers, Raymond E Meyn, Jinzhong Li, Ainiwaer Mijiti, James A Bankson, Clifton D Fuller, Marina Y Konopleva, Stephen Y Lai
Platinum-based (Pt) chemotherapy is broadly utilized in the treatment of cancer. Development of more effective, personalized treatment strategies require identification of novel biomarkers of treatment response. Since Pt compounds are inactivated through cellular metabolic activity, we hypothesized that metabolic interrogation can predict the effectiveness of Pt chemotherapy in a pre-clinical model of head and neck squamous cell carcinoma (HNSCC).We tested the effects of cisplatin (CDDP) and carboplatin (CBP) on DNA damage, activation of cellular death cascades and tumor cell metabolism, specifically lactate production...
February 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28178691/p-glycoprotein-attenuates-dna-repair-activity-in-multidrug-resistant-cells-by-acting-through-the-cbp-csk-src-cascade
#5
Li-Fang Lin, Ming-Hsi Wu, Vijaya Kumar Pidugu, I-Ching Ho, Tsann-Long Su, Te-Chang Lee
Recent studies have demonstrated that P-glycoprotein (P-gp) expression impairs DNA interstrand cross-linking agent-induced DNA repair efficiency in multidrug-resistant (MDR) cells. To date, the detailed molecular mechanisms underlying how P-gp interferes with Src activation and subsequent DNA repair activity remain unclear. In this study, we determined that the C-terminal Src kinase-binding protein (Cbp) signaling pathway involved in the negative control of Src activation is enhanced in MDR cells. We also demonstrated that cells that ectopically express P-gp exhibit reduced activation of DNA damage response regulators, such as ATM, Chk2, Braca1 and Nbs1 and hence attenuated DNA double-strand break repair capacity and become more susceptible than vector control cells to DNA interstrand cross-linking (ICL) agents...
February 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28176879/parp-inhibitor-increases-chemosensitivity-by-upregulating-mir-664b-5p-in-brca1-mutated-triple-negative-breast-cancer
#6
Wei Song, Lin Tang, Yumei Xu, Jing Xu, Wenwen Zhang, Hui Xie, Shui Wang, Xiaoxiang Guan
Emerging evidence has shown that adding poly(ADP-ribose) polymerase (PARP) inhibitors to chemotherapy regimens is superior to the control regimens alone in BRCA1-mutated triple-negative breast cancer (TNBC) patients, but their underlying mechanisms have not been fully elucidated. In this study, using miRNA microarray analysis of two BRCA1-mutated TNBC cell lines, we found that miR-664b-5p expression was increased after adding a PARP inhibitor, olaparib, to a carboplatin (CBP) plus gemcitabine (GEM) therapy regimen...
February 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28174562/deletion-of-the-chemokine-binding-protein-gene-from-the-parapoxvirus-orf-virus-reduces-virulence-and-pathogenesis-in-sheep
#7
Stephen B Fleming, Catherine McCaughan, Zabeen Lateef, Amy Dunn, Lyn M Wise, Nicola C Real, Andrew A Mercer
Orf virus (ORFV) is the type species of the Parapoxvirus genus of the family Poxviridae and infects sheep and goats, often around the mouth, resulting in acute pustular skin lesions. ORFV encodes several secreted immunomodulators including a broad-spectrum chemokine binding protein (CBP). Chemokines are a large family of secreted chemotactic proteins that activate and regulate inflammation induced leukocyte recruitment to sites of infection. In this study we investigated the role of CBP in vivo in the context of ORFV infection of sheep...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28174112/epigenetic-basis-of-the-dark-side-of-alcohol-addiction
#8
REVIEW
Subhash C Pandey, Evan Kyzar, Huaibo Zhang
Alcoholism is a complex brain disease characterized by three distinct stages of the addiction cycle that manifest as neuroadaptive changes in the brain. One such stage of the addiction cycle is alcohol withdrawal and the negative affective states that promote drinking and maintain addiction. Repeated alcohol use, genetic predisposition to alcoholism and anxiety, and alcohol exposure during crucial developmental periods all contribute to the development of alcohol-induced withdrawal and negative affective symptoms...
February 4, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28171839/optimization-of-operating-parameters-of-novel-composite-adsorbent-for-organic-pollutants-removal-from-pome-using-response-surface-methodology
#9
A O Adeleke, Ab Aziz Ab Latiff, A A Al-Gheethi, Zawawi Daud
The present work aimed to develop a novel composite material made up of activated cow bone powder (CBP) as a starting material for reducing chemical oxygen demand (COD) and ammonia-nitrogen (NH3N) from palm oil mill effluent (POME). The optimization of the reduction efficiency was investigated using response surface methodology (RSM). Six independent variables used in the optimization experiments include pH (4-10), speed (0.27-9.66 rcf), contact time (2-24 h), particle size (1-4.35 mm), dilution factor (100-500) and adsorbent dosage (65-125 g/L)...
January 25, 2017: Chemosphere
https://www.readbyqxmd.com/read/28157211/platelet-activating-factor-induced-expression-of-p21-is-correlated-with-histone-acetylation
#10
Elisabetta Damiani, Nahum Puebla-Osorio, Bree M Lege, Jingwei Liu, Sattva S Neelapu, Stephen E Ullrich
Ultraviolet (UV)-irradiated keratinocytes secrete the lipid mediator of inflammation, platelet-activating factor (PAF). PAF plays an essential role in UV-induced immune suppression and skin cancer induction. Dermal mast cell migration from the skin to the draining lymph nodes plays a prominent role in activating systemic immune suppression. UV-induced PAF activates mast cell migration by up-regulating mast cell CXCR4 surface expression. Recent findings indicate that PAF up-regulates CXCR4 expression via histone acetylation...
February 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28153533/dysregulation-of-gene-expression-in-the-striatum-of-bachd-rats-expressing-full-length-mutant-huntingtin-and-associated-abnormalities-on-molecular-and-protein-levels
#11
Libo Yu-Taeger, Michael Bonin, Janice Stricker-Shaver, Olaf Riess, Hoa Huu Phuc Nguyen
Huntington disease (HD) is an autosomal dominantly inherited neurodegenerative disorder caused by a CAG repeat expansion in the gene coding for the huntingtin protein (HTT). Mutant HTT (mHTT) has been proposed to cause neuronal dysfunction and neuronal loss through multiple mechanisms. Transcriptional changes may be a core pathogenic feature of HD. Utilizing the Affymetrix platform we performed a genome-wide RNA expression analysis in two BACHD transgenic rat lines (TG5 and TG9) at 12 months of age, both of which carry full-length human mHTT but with different expression levels...
January 30, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28148567/critical-role-of-the-camp-pka-pathway-in-hyperglycemia-induced-epigenetic-activation-of-fibrogenic-program-in-the-kidney
#12
Dilip K Deb, Riyue Bao, Yan Chun Li
Hyperglycemia is a major pathogenic factor that promotes diabetic nephropathy, but the underlying mechanism remains incompletely understood. Here, we show that high glucose induced cAMP response element-binding protein (CREB)-binding protein (CBP)-mediated H3K9/14 hyperacetylation in approximately 5000 gene promoters in glomerular mesangial cells, including those of Tgfb1, Tgfb3, and Ctgf, the major profibrotic factors that are known to drive diabetic renal fibrogenesis. In these promoters, H3K9/14 hyperacetylation was closely associated with NF-κB or CREB motifs...
February 1, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28132895/cbp-p300-bromodomain-mediates-amyloid-formation
#13
Daiqing Liao
Bromodomains are protein domains that serve as "readers" of acetylated lysine marks and mediate DNA-templated processes. In this issue of Cell Chemical Biology, Olzscha et al. (2017) report that the CBP/p300 bromodomains mediate the formation of amyloid-like aggregates and that inhibitors specific to these bromodomains reduce the degree of protein aggregation and mitigate HDAC inhibitor-induced cytotoxicity.
January 26, 2017: Cell Chemical Biology
https://www.readbyqxmd.com/read/28128295/rna-helicase-ddx3-maintains-lipid-homeostasis-through-upregulation-of-the-microsomal-triglyceride-transfer-protein-by-interacting-with-hnf4-and-shp
#14
Tsung-Yuan Tsai, Wei-Ting Wang, Hao-Kang Li, Wei-Ju Chen, Yu-Hong Tsai, Chi-Hong Chao, Yan-Hwa Wu Lee
Multifunctional RNA helicase DDX3 participates in HCV infection, one of the major causes of hepatic steatosis. Here, we investigated the role of DDX3 in hepatic lipid metabolism. We found that HCV infection severely reduced DDX3 expression. Analysis of intracellular triglyceride and secreted ApoB indicated that lipid accumulations were increased while ApoB secretion were decreased in DDX3 knockdown HuH7 and HepG2 cell lines. Down-regulation of DDX3 significantly decreased protein and transcript expression of microsomal triglyceride transfer protein (MTP), a key regulator of liver lipid homeostasis...
January 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28123139/remodeling-of-rat-stromal-vascular-cells-to-brite-beige-adipocytes-by-prolyl-hydroxyproline
#15
Jun A Minaguchi, Sakino Ogata, Naoki Takahashi, Takuya Hirose, Hiromi Ueda, Kazushige Takehana
The aim of this study was to determine the effects of prolyl-hydroxyproline (Pro-Hyp) on the proliferation and differentiation of rat stromal-vascular cells (SVCs) being cultured in a medium with (Pro-Hyp group) or without Pro-Hyp (control group). The results showed that there was no significant difference in proliferation rate of SVCs, lipid droplet (LD) diameter or intracellular concentration of triglycerides between two groups. However, the diameter range of LDs in the Pro-Hyp group tended to be smaller than that in the control group...
January 26, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28113136/tumor-necrosis-factor-alpha-inhibitors-suppress-ccl2-chemokine-in-monocytes-via-epigenetic-modification
#16
Yi-Ching Lin, Yu-Chih Lin, Ming-Yii Huang, Po-Lin Kuo, Cheng-Chin Wu, Min-Sheng Lee, Chong-Chao Hsieh, Hsuan-Fu Kuo, Chang-Hung Kuo, Wen-Chan Tsai, Chih-Hsing Hung
The treatment of rheumatoid arthritis (RA) with tumor necrosis factor-alpha (TNF-α) inhibitors could lead to adverse effects. Therefore, the identification of downstream therapeutic targets is important. Monocyte chemoattractant protein-1 (MCP-1, also called CCL2) is related to RA disease activity, and epigenetic modifications are hypothesized to regulate gene expression in RA pathogenesis. We studied the effects of two TNF-α inhibitors, etanercept and adalimumab, on CCL2 expression and the potentially associated intracellular mechanisms, including epigenetic regulation...
March 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28108460/enhancer-remodeling-during-adaptive-bypass-to-mek-inhibition-is-attenuated-by-pharmacological-targeting-of-the-p-tefb-complex
#17
Jon S Zawistowski, Samantha M Bevill, Daniel R Goulet, Timothy J Stuhlmiller, Adriana S Beltran, Jose F Olivares-Quintero, Darshan Singh, Noah Sciaky, Joel S Parker, Naim U Rashid, Xin Chen, James S Duncan, Martin C Whittle, Steven P Angus, Sara Hanna Velarde, Brian T Golitz, Xiaping He, Charlene Santos, David B Darr, Kristalyn Gallagher, Lee M Graves, Charles M Perou, Lisa A Carey, H Shelton Earp, Gary L Johnson
Targeting the dysregulated BRaf-MEK-ERK pathway in cancer has increasingly emerged in clinical trial design. Despite clinical responses in specific cancers using inhibitors targeting BRaf and MEK, resistance develops often involving non-genomic adaptive bypass mechanisms. Inhibition of MEK1/2 by trametinib in triple negative breast cancer (TNBC) patients induced dramatic transcriptional responses, including upregulation of receptor tyrosine kinases (RTKs) comparing tumor samples before and after one week of treatment...
January 20, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28105372/association-between-central-blood-pressure-arterial-stiffness-and-mild-cognitive-impairment
#18
R Suleman, R Padwal, P Hamilton, A Senthilselvan, K Alagiakrishnan
BACKGROUND: To determine the relationship between central blood pressure (CBP) indices and mild cognitive impairment (MCI) in adults over the age of 50. METHODS: A cross-sectional study conducted using a non-invasive SphygmoCor XCEL device. CBP indices and brachial blood pressure were measured in 50 inpatients and outpatients. MCI was assessed using the Montreal Cognitive Assessment (MoCA) instrument and by the European Consortium Criteria (ECC). RESULTS: Seventy-six percent of subjects had hypertension, and 52% were diagnosed as having MCI using the ECC...
2017: Clinical Hypertension
https://www.readbyqxmd.com/read/28101819/high-central-aortic-rather-than-brachial-blood-pressure-is-associated-with-carotid-wall-remodeling-and-increased-arterial-stiffness-in-childhood
#19
Gonzalo Peluso, Victoria García-Espinosa, Santiago Curcio, Marco Marota, Juan Castro, Pedro Chiesa, Gustavo Giachetto, Daniel Bia, Yanina Zócalo
INTRODUCTION: In adults, central blood pressure (cBP) is reported to associate target organ damages (TODs) rather than peripheral blood pressure (pBP). However, data regarding the association of pre-clinical TODs with cBP and pBP in pediatric populations are scarce. AIM: To evaluate in children and adolescents the importance of cBP and pBP levels, in terms of their association with hemodynamic and vascular changes. METHODS: 315 subjects [age (mean/range) 12/8-18 years] were included...
January 19, 2017: High Blood Pressure & Cardiovascular Prevention: the Official Journal of the Italian Society of Hypertension
https://www.readbyqxmd.com/read/28097489/enhanced-histone-acetylation-in-the-infralimbic-prefrontal-cortex-is-associated-with-fear-extinction
#20
Sarfraj Ahmad Siddiqui, Sanjay Singh, Vandana Ranjan, Rajesh Ugale, Sudipta Saha, Anand Prakash
The molecular processes that establish fear memory are complex and involve a combination of genetic and epigenetic influences. Dysregulation of these processes can manifest in humans as a range of fear-related anxiety disorders like post-traumatic stress disorders (PTSD). In the present study, immunohistochemistry for acetyl H3, H4, c-fos, CBP (CREB-binding protein) in the infralimbic prefrontal cortex (IL-PFC) and prelimbic prefrontal cortex (PL-PFC) of mPFC (medial prefrontal cortex) and basal amygdala (BA), lateral amygdala (LA), centrolateral amygdala (CeL), centromedial amygdala (CeM) of the amygdala was performed to link region-specific histone acetylation to fear and extinction learning...
January 17, 2017: Cellular and Molecular Neurobiology
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