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https://www.readbyqxmd.com/read/28340519/barrington-s-nucleus-neuroanatomic-landscape-of-the-mouse-pontine-micturition-center
#1
Anne M J Verstegen, Veronique Vanderhorst, Paul A Gray, Mark L Zeidel, Joel C Geerling
Barrington's nucleus (Bar) is thought to contain neurons that trigger voiding and thereby function as the "pontine micturition center." Lacking detailed information on this region in mice, we examined gene and protein markers to characterize Bar and the neurons surrounding it. Like rats and cats, mice have an ovoid core of medium-sized Bar neurons located medial to the locus coeruleus (LC). Bar neurons express a GFP reporter for Vglut2, develop from a Math1/Atoh1 lineage, and exhibit immunoreactivity for NeuN...
March 24, 2017: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/28340516/markers-of-dietary-protein-intake-are-associated-with-successful-weight-loss-in-the-pounds-lost-trial
#2
G A Bray, D H Ryan, W Johnson, C M Champagne, C M Johnson, J Rood, D A Williamson, F M Sacks
To assess the association of markers for dietary protein intake, measures of dietary adherence and demographic variables with weight loss in the POUNDS Lost study over the first 6 months and again between 6 and 24 months using data from those who completed each period. This is a secondary analysis of pooled data on completers assigned to one of four diets: 65%C/15%P/20%F (AP/LF), 55%C/25%P/20%F (HP/LF), 45%C/15%P/40%F (AP/HF) or 35%C/25%P40%F (HP/HF) in the POUNDS Lost study. Urinary nitrogen excretion, dietary adherence measured by 24-h recall and attendance at sessions, age (above and below 50 years), gender, race/ethnicity and activity by pedometry were analysed...
March 24, 2017: Clinical Obesity
https://www.readbyqxmd.com/read/28340485/an-approach-for-liposome-immobilization-using-sterically-stabilized-micelles-ssms-as-a-precursor-for-bio-layer-interferometry-based-interaction-studies
#3
Jakob Wallner, Gabriele Lhota, Markus Schosserer, Karola Vorauer-Uhl
Non-fluidic bio-layer interferometry (BLI) has rapidly become a standard tool for monitoring almost all biomolecular interactions in a label-free, real-time and high-throughput manner. High-efficiency screening methods which measure the kinetics of liposomes with a variety of compounds require the immobilization of liposomes. In this work, a method is described for immobilizing liposomes for interaction studies, based on the biophysical principles of this biosensor platform. The immobilization approach includes the loading of DSPE-PEG(2000)-biotin containing sterically stabilized micelles (SSMs) which are restructured in a buffer change step, resulting in an accessible substrate for liposome immobilization...
March 12, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28340377/possible-protective-effect-of-royal-jelly-against-cyclophosphamide-induced-prostatic-damage-in-male-albino-rats-a-biochemical-histological-and-immuno-histo-chemical-study
#4
Sara Mohammed Naguib Abdel-Hafez, Rehab Ahmed Rifaai, Walaa Yehia Abdelzaher
Almost all the chemotherapy treat many cancer types effectively, but it leads to severe side effects. Chemotherapy like cyclophosphamide (CP) not works only on the active cells, such as cancer cells, but also acts on the healthy cells. Royal jelly (RJ) was reported to have a lot of therapeutic effects besides being an anti-oxidant and anti-cancer agent. The purpose of this study was to assess the possible protective role of RJ in ameliorating the toxic effects of CP overdose in the rat prostatic tissue. The rats were separated into 4 groups; control group, RJ group, CP group and RJ with CP group...
March 21, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28340376/linarin-could-protect-myocardial-tissue-from-the-injury-of-ischemia-reperfusion-through-activating-nrf-2
#5
Qian Yu, Xin Li, Xia Cao
OBJECTIVES: As we all know, oxidative stress was one of the most important causes of ischemia-reperfusion injury. And it was reported that Nrf-2 as an important regulator for oxidative stress could be activated by Linarin. Thus it would be interesting to find whether Linarin could inhibit ischemia-reperfusion injury through activating Nrf-2. METHODS: In this study, cell activity was detected by MTT assay and caspase-3 activity detection kit. And the expressions or activities of some signal proteins were evaluated by western-blot or activity detection kits...
March 21, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28340355/the-human-immunodeficiency-virus-1-asp-rna-promotes-viral-latency-by-recruiting-the-polycomb-repressor-complex-2-and-promoting-nucleosome-assembly
#6
Juan C Zapata, Federica Campilongo, Robert A Barclay, Catherine DeMarino, Maria D Iglesias-Ussel, Fatah Kashanchi, Fabio Romerio
Various epigenetic marks at the HIV-1 5'LTR suppress proviral expression and promote latency. Cellular antisense transcripts known as long noncoding RNAs (lncRNAs) recruit the polycomb repressor complex 2 (PRC2) to gene promoters, which catalyzes trimethylation of lysine 27 on histone H3 (H3K27me3), thus promoting nucleosome assembly and suppressing gene expression. We found that an HIV-1 antisense transcript expressed from the 3'LTR and encoding the antisense protein ASP promotes proviral latency. Expression of ASP RNA reduced HIV-1 replication in Jurkat cells...
March 21, 2017: Virology
https://www.readbyqxmd.com/read/28340350/a-viral-immunoevasin-controls-innate-immunity-by-targeting-the-prototypical-natural-killer-cell-receptor-family
#7
Oscar A Aguilar, Richard Berry, Mir Munir A Rahim, Johanna J Reichel, Branka Popović, Miho Tanaka, Zhihui Fu, Gautham R Balaji, Timothy N H Lau, Megan M Tu, Christina L Kirkham, Ahmad Bakur Mahmoud, Aruz Mesci, Astrid Krmpotić, David S J Allan, Andrew P Makrigiannis, Stipan Jonjić, Jamie Rossjohn, James R Carlyle
Natural killer (NK) cells play a key role in innate immunity by detecting alterations in self and non-self ligands via paired NK cell receptors (NKRs). Despite identification of numerous NKR-ligand interactions, physiological ligands for the prototypical NK1.1 orphan receptor remain elusive. Here, we identify a viral ligand for the inhibitory and activating NKR-P1 (NK1.1) receptors. This murine cytomegalovirus (MCMV)-encoded protein, m12, restrains NK cell effector function by directly engaging the inhibitory NKR-P1B receptor...
March 23, 2017: Cell
https://www.readbyqxmd.com/read/28340349/structure-reveals-mechanisms-of-viral-suppressors-that-intercept-a-crispr-rna-guided-surveillance-complex
#8
Saikat Chowdhury, Joshua Carter, MaryClare F Rollins, Sarah M Golden, Ryan N Jackson, Connor Hoffmann, Lyn'Al Nosaka, Joseph Bondy-Denomy, Karen L Maxwell, Alan R Davidson, Elizabeth R Fischer, Gabriel C Lander, Blake Wiedenheft
Genetic conflict between viruses and their hosts drives evolution and genetic innovation. Prokaryotes evolved CRISPR-mediated adaptive immune systems for protection from viral infection, and viruses have evolved diverse anti-CRISPR (Acr) proteins that subvert these immune systems. The adaptive immune system in Pseudomonas aeruginosa (type I-F) relies on a 350 kDa CRISPR RNA (crRNA)-guided surveillance complex (Csy complex) to bind foreign DNA and recruit a trans-acting nuclease for target degradation. Here, we report the cryo-electron microscopy (cryo-EM) structure of the Csy complex bound to two different Acr proteins, AcrF1 and AcrF2, at an average resolution of 3...
March 23, 2017: Cell
https://www.readbyqxmd.com/read/28340294/a-well-defined-osmium-cupin-complex-hyperstable-artificial-osmium-peroxygenase
#9
Nobutaka Fujieda, Takumi Nakano, Yuki Taniguchi, Haruna Ichihashi, Hideki Sugimoto, Yuma Morimoto, Yosuke Nishikawa, Genji Kurisu, Shinobu Itoh
Thermally stable TM1459 cupin superfamily protein from Thermotoga maritima was repurposed as an osmium (Os) peroxygenase by metal-substitution strategy employing the metal-binding promiscuity. This novel artificial metalloenzyme bears a datively bound Os ion supported by the 4-histidine motif. The well-defined Os center is responsible for not only the catalytic activity but also the thermodynamic stability of the protein folding, leading to the robust biocatalyst (Tm ≈ 120 °C). The spectroscopic analysis and atomic resolution X-ray crystal structures of Os-bound TM1459 revealed two types of donor sets to Os center with octahedral coordination geometry...
March 24, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28340261/effect-of-a-high-concentrate-diet-on-milk-components-and-mammary-health-in-holstein-dairy-cows
#10
Z L Xie, J Zhang, D M Zhang, J F Li, Y H Lin
In order to evaluate the milk yield, milk quality, and health of dairy cows fed a high-concentrate (HC) diet, eight lactating Holstein dairy cattle were randomly assigned to HC or low-concentrate (LC) diet groups and fed for 50 days, and the auto-control studying before and after treatment with the two diets was used. During the experiment, plasma and milk samples were collected and measured. With regard to milk component, HC feeding led to higher milk production (P < 0.05), but significantly lower milk protein percentage (P < 0...
March 22, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28340115/cellular-senescence-in-mouse-hippocampus-after-irradiation-and-the-role-of-p53-and-p21
#11
Zoey Cheng, Yan Zhen Zheng, Yu-Qing Li, C Shun Wong
Diverse stress signals including irradiation may trigger cellular senescence. We asked whether irradiation induced senescence in mouse hippocampus, and whether p53 or p21 played a role in this response. Following whole-brain irradiation, polymerase chain reaction (PCR) arrays for senescence-associated genes showed increased expression of CDKN1A (p21) and CDKN2A (p19ARF) in mouse hippocampus at 9 weeks. Upregulation of p21 and p19ARF was confirmed using real-time PCR, which also demonstrated increased CDKN2A/p16INKa expression after irradiation...
March 14, 2017: Journal of Neuropathology and Experimental Neurology
https://www.readbyqxmd.com/read/28340094/nlrp2-is-a-suppressor-of-nf-%C3%A6-b-signaling-and-hla-c-expression-in-human-trophoblasts
#12
Tamara Tilburgs, Torsten B Meissner, Leonardo M R Ferreira, Arend Mulder, Kiran Musunuru, Junqiang Ye, Jack L Strominger
During human pregnancy, fetal extravillous trophoblasts (EVT) play a key role in the regulation of maternal T cell and NK cell responses. EVT display a unique combination of Human Leukocyte Antigens (HLA); EVT do not express HLA-A and HLA-B, but do express HLA-C, HLA-E and HLA-G. The mechanisms establishing this unique HLA expression pattern have not been fully elucidated. The MHC class I and class II transcriptional activators NLRC5 and CIITA are expressed neither by EVT nor by the EVT model cell line JEG3, which has an MHC expression pattern identical to that of EVT...
March 7, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28340042/effects-of-dietary-l-arginine-levels-on-small-intestine-protein-turnover-and-the-expression-of-genes-related-to-protein-synthesis-and-proteolysis-of-layers
#13
L P Miao, C Yuan, X Y Dong, X Y Zhang, M Y Zhou, X T Zou
The aim of this study was to test the effects of dietary L-arginine (Arg) levels on protein turnover in the small intestine and the expression of genes related to protein synthesis and proteolysis of laying hens. Xinyang Black commercial laying hens (n = 864, aged 217 d) were randomly distributed to 6 treatments with 4 replicates of 36 birds. The dietary treatments were corn-corn gluten meal based diets containing 0.64, 0.86, 1.03, 1.27, 1.42 and 1.66% L-Arg, respectively. Fractional protein synthesis rate (FSR) and fractional protein gain rate (FGR) in the jejunum were the highest in the 1...
March 9, 2017: Poultry Science
https://www.readbyqxmd.com/read/28339926/study-on-the-expression-of-human-lysozyme-in-oviduct-bioreactor-mediated-by-recombinant-avian-adeno-associated-virus1
#14
A P Wang, Y J Wang, S Wu, W Y Zuo, C M Guo, W M Hong, S Y Zhu
Due to its antimicrobial properties and low toxicity, human lysozyme (hLYZ) has broad application in the medical field and as a preservative used by the food industry. However, limited availability hinders its widespread use. Hence, we constructed a recombinant avian adeno-associated virus (rAAAV) that would specifically express hLYZ in the chicken oviduct and harvested hLYZ from the egg whites of laying hens. The oviduct-specific human lysozyme expression cassette flanked by avian adeno-associated virus (AAAV) inverted terminal repeats (ITRs) was subcloned into the modified baculovirus transfer vector pFBX, and then the recombinant baculovirus rBac-ITRLYZ was generated...
March 2, 2017: Poultry Science
https://www.readbyqxmd.com/read/28339908/obesity-associated-cardiac-pathogenesis-in-broiler-breeder-hens-pathological-adaption-of-cardiac-hypertrophy1-2
#15
C Y Chen, H Y Lin, Y W Chen, Y J Ko, Y J Liu, Y H Chen, R L Walzem, S E Chen
Broiler hens consuming feed to appetite (ad libitum; AL) show increased mortality. Feed restriction (R) typically improves reproductive performance and livability of hens. Rapidly growing broilers can exhibit increased mortality due to cardiac insufficiency but it is unknown whether the increased mortality of non-R broiler hens is also due to cardiac compromise. To assess cardiac growth and physiology in fully mature birds, 45-week-old hens were either continued on R rations or assigned to AL feeding for 7 or 21 days...
March 1, 2017: Poultry Science
https://www.readbyqxmd.com/read/28339870/discordance-between-functional-screening-and-genetic-confirmatory-diagnostic-tests-a-retrospective-analysis-of-activated-protein-c-resistance-and-factor-5-leiden-testing-over-a-5-year-period
#16
Ezra Baraban, Alexa Siddon, Christopher Tormey
No abstract text is available yet for this article.
March 1, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28339770/characterization-of-indigenous-aseel-chicken-breed-for-morphological-growth-production-and-meat-composition-traits-from-india
#17
U Rajkumar, S Haunshi, C Paswan, M V L N Raju, S V Rama Rao, R N Chatterjee
Aseel is an important native chicken breed of India, known for its martial qualities (aggressive fighting abilities), pugnacity, and majestic gait. The aim of the study is to conserve and characterize the Aseel germplasm, which is considered to be endangered. The birds were maintained on deep litter under a simulated backyard type of housing having night shelter and a free-range area. A total of 313 chicks produced in the second generation from the flock collected from native tract in Andhra Pradesh was characterized for morphological, growth, production, and meat quality parameters...
February 23, 2017: Poultry Science
https://www.readbyqxmd.com/read/28339746/in-vitro-cytotoxic-and-ace-inhibitory-activities-of-promod-278p-hydrolysate-of-ovotransferrin-from-chicken-egg-white
#18
S H Moon, J H Lee, J H Kim, H-D Paik, D U Ahn
Peptides released from egg proteins via enzymatic hydrolysis show various bioactivities such as antimicrobial, antioxidant, antihypertensive, and immunomodulatory properties. The objective of this study was to investigate the cytotoxic and Angiotensin Converting Enzyme (ACE)-inhibitory activities of ovotransferrin and its promod 278P enzyme hydrolysate. Ovotransferrin from egg white was hydrolyzed using promod 278P at 45°C for 3 hours. Using the MTT assay, the cytotoxicity of ovotransferrin and promod 278P hydrolysate of ovotransferrin were evaluated in human cancer cell lines of various tissue origins...
February 22, 2017: Poultry Science
https://www.readbyqxmd.com/read/28339726/effect-of-feeding-soybean-meal-and-differently-processed-peas-on-the-gut-mucosal-immune-system-of-broilers
#19
I Röhe, T W Göbel, F Goodarzi Boroojeni, J Zentek
Peas are traditionally used as a protein source for poultry. However, peas contain antinutritional factors (ANF), which are associated with the initiation of local and systemic immune reactions. The current study examined the effect of feeding raw or differently processed peas in comparison with feeding a soybean meal (SBM) based control diet (C) on the gut mucosal immune system of broilers in a 35 day feeding trial. In six replicates, a total of 360 one-day-old male broilers were randomly allocated to four different groups receiving C, or three treatment diets containing raw, fermented, and enzymatically pre-digested peas, each supplying 30% of required crude protein...
February 23, 2017: Poultry Science
https://www.readbyqxmd.com/read/28339710/productive-performance-and-blood-profiles-of-laying-hens-fed-hermetia-illucens-larvae-meal-as-total-replacement-of-soybean-meal-from-24-to-45-weeks-of-age
#20
S Marono, R Loponte, P Lombardi, G Vassalotti, M E Pero, F Russo, L Gasco, G Parisi, G Piccolo, S Nizza, C Di Meo, Y A Attia, F Bovera
The aim of the research was to study the effects of an insect meal from Hermetia illucens larvae (HILM) as complete replacement of soybean meal (SBM) on productive performance and blood profiles of laying hens, from 24 to 45 wk of age. A total of 108 24-week-old Lohmann Brown Classic laying hens was equally divided into 2 groups (54 hens/group, 9 replicates of 6 hens/group). From 24 to 45 wk of age, the groups were fed 2 different isoproteic and isoenergetic diets: the control group (SBM) was fed a corn-soybean meal based diet, while in the HILM group the soybean meal was completely replaced by Hermetia illucens larvae meal...
February 22, 2017: Poultry Science
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