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https://www.readbyqxmd.com/read/28212551/nrip-dcaf6-stabilizes-the-androgen-receptor-protein-by-displacing-ddb2-from-the-cul4a-ddb1-e3-ligase-complex-in-prostate-cancer
#1
Hsin-Hsiung Chen, Ping Fan, Szu-Wei Chang, Yeou-Ping Tsao, Hsiang-Po Huang, Show-Li Chen
Both nuclear receptor interaction protein (NRIP) and DNA damage binding protein 2 (DDB2) belong to the Cullin 4 (CUL4)-DDB1 binding protein family and are androgen receptor (AR)-interacting proteins. Here, we investigated the expression patterns of the NRIP, DDB2 and AR proteins in human prostate cancer tissues and found that the expression levels of NRIP and AR were higher, but the DDB2 level was lower, in prostate cancer tissues than in non-neoplastic controls, suggesting NRIP as a candidate tumor promoter and DDB2 as a tumor suppressor in prostate cancer...
February 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/28212449/energy-intake-and-energy-expenditure-of-pre-professional-female-contemporary-dancers
#2
Meghan A Brown, Glyn Howatson, Edel Quin, Emma Redding, Emma J Stevenson
Many athletes in aesthetic and weight dependent sports are at risk of energy imbalance. However little is known about the exercise and eating behaviours of highly trained dance populations. This investigation sought to determine the energy intake and energy expenditure of pre-professional female contemporary dancers. Twenty-five female contemporary dance students completed the study. Over a 7-day period, including five week days (with scheduled dance training at a conservatoire) and two weekend days (with no scheduled dance training at the conservatoire), energy intake (self-reported weighed food diary and 24 h dietary recall) and expenditure (tri-axial accelerometry) were recorded...
2017: PloS One
https://www.readbyqxmd.com/read/28212318/alcohol-%C3%A2-adipose%C3%A2-tissue%C3%A2-and%C3%A2-lipid%C3%A2-dysregulation
#3
Jennifer L Steiner, Charles H Lang
Chronic alcohol consumption perturbs lipid metabolism as it increases adipose tissue lipolysis and leads to ectopic fat deposition within the liver and the development of alcoholic fatty liver disease. In addition to the recognition of the role of adipose tissue derived fatty acids in liver steatosis, alcohol also impacts other functions of adipose tissue and lipid metabolism. Lipid balance in response to long-term alcohol intake favors adipose tissue loss and fatty acid efflux as lipolysis is upregulated and lipogenesis is either slightly decreased or unchanged...
February 16, 2017: Biomolecules
https://www.readbyqxmd.com/read/28211138/nocturnal-autonomic-nervous-system-activity-and-morning-proinflammatory-cytokines-in-young-adult-african-americans
#4
Kimberly A Bell, Ihori Kobayashi, Yuanxiu Chen, Thomas A Mellman
Compromised sleep and increased sympathetic nervous system (SNS) activity are implicated in the pathogenesis of, and disparities in, cardiovascular disease. Parasympathetic dominance during sleep may be important for cardiovascular health. Sleep and autonomic balance influence immune activity, which impacts atherogenesis. We evaluated relationships between autonomic balance during sleep and morning levels of the immune activating cytokines, C-reactive protein (CRP) and interleukin (IL)-6. Ninety-four (59 female) young adult African Americans without medical conditions and substance use disorders spent 2 consecutive nights in a clinical research unit for sleep recordings and blood drawing on awakening...
February 17, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28210876/effect-of-hyperhomocysteinemia-on-redox-balance-and-redox-defence-enzymes-in-ischemia-reperfusion-injury-and-or-after-ischemic-preconditioning-in-rats
#5
Martin Petráš, Anna Drgová, Mária Kovalská, Zuzana Tatarková, Barbara Tóthová, Oľga Križanová, Ján Lehotský
Increased level of homocysteine (hHcy) in plasma is an accompanying phenomenon of many diseases, including a brain stroke. This study determines whether hyperhomocysteinemia (which is a risk factor of brain ischemia) itself or in combination with ischemic preconditioning affects the ischemia-induced neurodegenerative changes, generation of reactive oxygen species (ROS), lipoperoxidation, protein oxidation, and activity of antioxidant enzymes in the rat brain cortex. The hHcy was induced by subcutaneous administration of homocysteine (0...
February 16, 2017: Cellular and Molecular Neurobiology
https://www.readbyqxmd.com/read/28210208/promoter-specific-expression-and-genomic-structure-of-iglon-family-genes-in-mouse
#6
Taavi Vanaveski, Katyayani Singh, Jane Narvik, Kattri-Liis Eskla, Tanel Visnapuu, Indrek Heinla, Mohan Jayaram, Jürgen Innos, Kersti Lilleväli, Mari-Anne Philips, Eero Vasar
IgLON family is composed of five genes: Lsamp, Ntm, Opcml, Negr1, and Iglon5; encoding for five highly homologous neural adhesion proteins that regulate neurite outgrowth and synapse formation. In the current study we performed in silico analysis revealing that Ntm and Opcml display similar genomic structure as previously reported for Lsamp, characterized by two alternative promotors 1a and 1b. Negr1 and Iglon5 transcripts have uniform 5' region, suggesting single promoter. Iglon5, the recently characterized family member, shares high level of conservation and structural qualities characteristic to IgLON family such as N-terminal signal peptide, three Ig domains, and GPI anchor binding site...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28209780/microtubule-associated-protein-4-map4-controls-nanovesicle-dynamics-and-t-cell-activation
#7
Eugenio Bustos-Morán, Noelia Blas-Rus, Noa Martin-Cófreces, Francisco Sánchez-Madrid
The Immune Synapse (IS) is a specialized structure formed at the contact area between T lymphocytes and antigen-presenting cells (APC), essential for the adaptive immune response. Proper T cell activation requires its polarization towards the APC, which is highly dependent on the tubulin cytoskeleton. Microtubule associated protein-4 (MAP4) is a microtubule (MT)-stabilizing protein that controls MTs in physiological processes such as cell division, migration, vesicular transport or primary cilia formation. In this study, we have assessed the role of MAP4 in T cell activation...
February 16, 2017: Journal of Cell Science
https://www.readbyqxmd.com/read/28209760/glucoraphanin-ameliorates-obesity-and-insulin-resistance-through-adipose-tissue-browning-and-reduction-of-metabolic-endotoxemia-in-mice
#8
Naoto Nagata, Liang Xu, Susumu Kohno, Yusuke Ushida, Yudai Aoki, Ryohei Umeda, Nobuo Fuke, Fen Zhuge, Yinhua Ni, Mayumi Nagashimada, Chiaki Takahashi, Hiroyuki Suganuma, Shuichi Kaneko, Tsuguhito Ota
Low-grade sustained inflammation links obesity to insulin resistance and nonalcoholic fatty liver disease (NAFLD). However, therapeutic approaches to improve systemic energy balance and chronic inflammation in obesity are limited. Pharmacological activation of nuclear factor (erythroid-derived 2)-like 2 (Nrf2) alleviates obesity and insulin resistance in mice; however, Nrf2 inducers are not clinically available owing to safety concerns. Thus, we examined whether dietary glucoraphanin, a stable precursor of the Nrf2 inducer sulforaphane, ameliorates systemic energy balance, chronic inflammation, insulin resistance, and NAFLD in high-fat diet (HFD)-fed mice...
February 16, 2017: Diabetes
https://www.readbyqxmd.com/read/28208022/protein-requirements-for-critically-ill-patients-with-renal-and-liver-failure
#9
Jayshil J Patel, Craig J McClain, Menaka Sarav, Jill Hamilton-Reeves, Ryan T Hurt
Diseases leading to critical illness induce proteolysis resulting in muscle wasting and negative nitrogen balance. Muscle wasting has been associated with poor intensive care unit (ICU)-related outcomes, including an increased risk for mortality. Acute kidney injury (AKI) represents a common organ dysfunction associated with ICU-related disorders, such as sepsis, trauma, and respiratory failure. AKI and renal replacement therapy lead to amino acid loss. Decompensated liver cirrhosis (DLC) and acute liver failure (ALF) represent more severe forms of liver dysfunction leading to ICU admission...
February 1, 2017: Nutrition in Clinical Practice
https://www.readbyqxmd.com/read/28207425/evidence-based-interventions-for-improvement-of-maternal-and-child-nutrition-in-low-income-settings-what-s-new
#10
Tyler Vaivada, Michelle F Gaffey, Jai K Das, Zulfiqar A Bhutta
PURPOSE OF REVIEW: Maternal and child malnutrition continues to disproportionately affect low and middle-income countries, contributing to high rates of morbidity, mortality, and suboptimal development. This article reviews evidence from recent systematic reviews and studies on the effectiveness of interventions to improve nutritional status in these especially vulnerable populations. RECENT FINDINGS: Macronutrients provided to expectant mothers in the form of balanced protein energy supplements can improve fetal growth and birth outcomes, and new research suggests that lipid nutrient supplements can reduce both stunting and wasting in newborns...
February 15, 2017: Current Opinion in Clinical Nutrition and Metabolic Care
https://www.readbyqxmd.com/read/28207001/genome-editing-using-facs-enrichment-of-nuclease-expressing-cells-and-indel-detection-by-amplicon-analysis
#11
Lindsey A Lonowski, Yoshiki Narimatsu, Anjum Riaz, Catherine E Delay, Zhang Yang, Francesco Niola, Katarzyna Duda, Elke A Ober, Henrik Clausen, Hans H Wandall, Steen H Hansen, Eric P Bennett, Morten Frödin
This protocol describes methods for increasing and evaluating the efficiency of genome editing based on the CRISPR-Cas9 (clustered regularly interspaced short palindromic repeats-CRISPR-associated 9) system, transcription activator-like effector nucleases (TALENs) or zinc-finger nucleases (ZFNs). First, Indel Detection by Amplicon Analysis (IDAA) determines the size and frequency of insertions and deletions elicited by nucleases in cells, tissues or embryos through analysis of fluorophore-labeled PCR amplicons covering the nuclease target site by capillary electrophoresis in a sequenator...
March 2017: Nature Protocols
https://www.readbyqxmd.com/read/28206754/high-quality-dataset-of-protein-bound-ligand-conformations-and-its-application-to-benchmarking-conformer-ensemble-generators
#12
Nils-Ole Friedrich, Agnes Meyder, Christina de Bruyn Kops, Kai Sommer, Florian Flachsenberg, Matthias Rarey, Johannes Kirchmair
We developed a cheminformatics pipeline for the fully automated selection and extraction of high-quality protein-bound ligand conformations from X-ray structural data. The pipeline evaluates the validity and accuracy of the 3D structures of small molecules according to multiple criteria, including their fit to the electron density and their physicochemical and structural properties. Using this approach, we compiled two high-quality datasets from the Protein Data Bank (PDB): a comprehensive dataset and a diversified subset of 4626 and 2912 structures, respectively...
February 16, 2017: Journal of Chemical Information and Modeling
https://www.readbyqxmd.com/read/28205174/identifying-sterol-response-elements-within-promoters-of-genes
#13
Laura J Sharpe, Andrew J Brown
Cholesterol levels are under tight control within cells. This involves a complex interplay of balancing synthesis, uptake, and export. A major player in the transcriptional regulation of cholesterol levels is sterol regulatory element binding protein (SREBP). SREBP is upregulated in conditions of low cholesterol, and then binds to sterol regulatory elements (SREs) that exist within the promoters of genes involved in cholesterol synthesis and uptake.Here, we describe a method to identify sterol response elements (SREs) using in silico and experimental approaches...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28203647/the-potential-of-blue-lupins-as-a-protein-source-in-the-diets-of-laying-hens
#14
Michael R F Lee, Sarah Parkinson, Hannah R Fleming, Vince J Theobald, Dave K Leemans, Tony Burgess
Layers diets typically contain 15-20% soya due to its high crude protein content (ca. 36%). Reliance on soya for protein can result in large increases in cost of feed due to the law of supply and demand as a global commodity. Lupin grains have high protein content (35-40%) but previous experience with white lupins has shown toxic effects in poultry due to high levels alkaloids and poor performance due to anti-nutritional Non-starch polysaccharides (NSP). Here blue lupins either processed or whole were trialled for their potential as a protein source...
December 2016: Veterinary and Animal Science
https://www.readbyqxmd.com/read/28203231/error-prone-dnae2-balances-the-genome-mutation-rates-in-myxococcus-xanthus-dk1622
#15
Ran Peng, Jiang-He Chen, Wan-Wan Feng, Zheng Zhang, Jun Yin, Ze-Shuo Li, Yue-Zhong Li
dnaE is an alpha subunit of the tripartite protein complex of DNA polymerase III that is responsible for the replication of bacterial genome. The dnaE gene is often duplicated in many bacteria, and the duplicated dnaE gene was reported dispensable for cell survivals and error-prone in DNA replication in a mystery. In this study, we found that all sequenced myxobacterial genomes possessed two dnaE genes. The duplicate dnaE genes were both highly conserved but evolved divergently, suggesting their importance in myxobacteria...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28202898/engineering-a-lys-asn-isopeptide-bond-into-an-immunoglobulin-like-protein-domain-enhances-its-stability
#16
Hanna Kwon, Paul G Young, Christopher J Squire, Edward N Baker
The overall stability of globular protein structures is marginal, a balance between large numbers of stabilizing non-covalent interactions and a destabilizing entropic term. Higher stability can be engineered by introduction of disulfide bonds, provided the redox environment is controlled. The discovery of stabilizing isopeptide bond crosslinks, formed spontaneously between lysine and asparagine (or aspartic acid) side chains in certain bacterial cell-surface proteins suggests that such bonds could be introduced by protein engineering as an alternative protein stabilization strategy...
February 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28202751/superiority-in-rhesus-macaques-of-targeting-hiv-1-env-gp140-to-cd40-versus-lox-1-in-combination-with-replication-competent-nyvac-kc-for-induction-of-env-specific-antibody-and-t-cell-responses
#17
Gerard Zurawski, Xiaoying Shen, Sandra Zurawski, Georgia D Tomaras, David C Montefiori, Mario Roederer, Guido Ferrari, Christine Lacabaratz, Peter Klucar, Zhiqing Wang, Kathryn E Foulds, Shing-Fen Kao, Xuesong Yu, Alicia Sato, Nicole L Yates, Celia LaBranche, Sherry Stanfield-Oakley, Karen Kibler, Bertram Jacobs, Andres Salazar, Steve Self, Jimmy Fulp, Raphael Gottardo, Lindsey Galmin, Deborah Weiss, Anthony Cristillo, Giuseppe Pantaleo, Yves Levy
We compared the HIV-1-specific immune responses generated by targeting HIV-1 envelope protein (Env gp140) to either CD40 or LOX-1, two endocytic receptors on dendritic cells (DCs), in Rhesus macaques primed with a poxvirus vector (NYVAC-KC) expressing Env gp140. The DC-targeting vaccines, humanized recombinant monoclonal antibodies fused to Env gp140, were administered as a boost with poly ICLC adjuvant either alone or co-administered with the NYVAC-KC vector. All the DC-targeting vaccine administrations with poly ICLC increased the low-level serum anti-Env IgG responses elicited by NYVAC-KC priming significantly more (up to P =0...
February 15, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28202541/coordinate-regulation-of-yeast-sterol-regulatory-element-binding-protein-srebp-and-mga2-transcription-factors
#18
Risa Burr, Emerson V Stewart, Peter J Espenshade
The Mga2 and Sre1 transcription factors regulate oxygen-responsive lipid homeostasis in the fission yeast Schizosaccharomyces pombe in a manner analogous to the mammalian Sterol Regulatory Element-Binding Protein transcription factors SREBP-1 and SREBP-2. Mga2 and SREBP-1 regulate triacylglycerol and glycerophospholipid synthesis, while Sre1 and SREBP-2 regulate sterol synthesis. In mammals, a shared activation mechanism allows for coordinate regulation of SREBP-1 and SREBP-2. In contrast, distinct pathways activate fission yeast Mga2 and Sre1...
February 15, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28202438/effect-of-food-deprivation-or-short-term-western-diet-feeding-on-bdnf-protein-expression-in-the-hypothalamic-arcuate-paraventricular-and-ventromedial-nuclei
#19
Kaitlyn Elizabeth Gilland, Edward A Fox
Mutations in the brain-derived neurotrophic factor (BDNF) gene are associated with human obesity and BDNF has potent inhibitory effects on eating and body weight. Little is known about the effects of energy-balance manipulations on BDNF protein in the hypothalamus, though this brain region is critical for regulation of feeding and body weight and has high levels of BDNF. Here we investigated the effects of negative and positive energy status on BDNF protein levels in the arcuate (ARC), paraventricular (PVN), and ventromedial (VMH) hypothalamic nuclei, and the ectorhinal cortex...
February 15, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28202313/the-complex-roles-of-stat3-and-stat5-in-maintaining-redox-balance-lessons-from-stat-mediated-xct-expression-in-cancer-cells
#20
Katja Linher-Melville, Gurmit Singh
STAT3 and STAT5 mediate diverse cellular processes, transcriptionally regulating gene expression and interacting with cytoplasmic proteins. Their canonical activity is stimulated by cytokines/growth factors through JAK-STAT signaling. As targets of oncogenes with intrinsic tyrosine kinase activity, STAT3 and STAT5 become constitutively active in hematologic neoplasms and solid tumors, promoting cell proliferation and survival and modulating redox homeostasis. This review summarizes reactive oxygen species (ROS)-regulated STAT activation and how STATs influence ROS production...
February 12, 2017: Molecular and Cellular Endocrinology
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