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https://www.readbyqxmd.com/read/28101317/corticotropin-releasing-factor-overexpression-in-mice-abrogates-sex-differences-in-body-weight-visceral-fat-and-food-intake-response-to-a-fast-and-alters-levels-of-feeding-regulatory-hormones
#1
Lixin Wang, Miriam Goebel-Stengel, Pu-Qing Yuan, Andreas Stengel, Yvette Taché
BACKGROUND: Corticotropin-releasing factor overexpressing (CRF-OE) male mice showed an inhibited feeding response to a fast, and lower plasma acyl ghrelin and Fos expression in the arcuate nucleus compared to wild-type (WT) mice. We investigated whether hormones and hypothalamic feeding signals are impaired in CRF-OE mice and the influence of sex. METHODS: Male and female CRF-OE mice and WT littermates (4-6 months old) fed ad libitum or overnight fasted were assessed for body, adrenal glands and perigonadal fat weights, food intake, plasma hormones, blood glucose, and mRNA hypothalamic signals...
2017: Biology of Sex Differences
https://www.readbyqxmd.com/read/28101244/celery-extract-inhibits-mouse-cyp2a5-and-human-cyp2a6-activities-via-different-mechanisms
#2
Xiao Deng, Qianghong Pu, Erhao Wang, Chao Yu
Human cytochrome P450 (CYP) 2A6 participates in the metabolism of nicotine and precarcinogens, thus the deliberate inhibition of CYP2A6 may reduce cigarette consumption and therefore reduce the risk of developing the types of cancer associated with smoking. The inhibitory effects and mechanisms of celery (Apium graveolens) extract on mouse CYP2A5 and human CYP2A6 activity remain unclear. These effects were investigated in mouse and human liver microsomes using coumarin 7-hydroxylation in a probe reaction. Celery extract reduced CYP2A5 and CYP2A6 activities in vitro in a dose-dependent manner...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28099407/effects-of-functional-cyp2c8-cyp2c9-cyp3a5-and-abcb1-genetic-variants-on-the-pharmacokinetics-of-insulin-sensitizer-pioglitazone-in-chinese-han-individuals
#3
Sheng-Ju Yin, Hui-Min Qi, Xin Wang, Pu Zhang, Yuan Lu, Min-Ji Wei, Pu Li, Guang-Zhao Qi, Ya-Qing Lou, Chuang Lu, Guo-Liang Zhang
BACKGROUND AND OBJECTIVES: Pioglitazone is a thiazolidinedione antihyperglycemic drug with insulin-sensitizing properties. We investigated whether the variant genotypes of cytochrome P450 2C8 (CYP2C8), CYP2C9, CYP3A5 and transporter ABCB1 influence the pharmacokinetic phenotype of the substrate pioglitazone in Chinese individuals. PARTICIPANTS AND METHODS: Single-nucleotide polymorphisms were determined by the PCR-restriction fragment length polymorphism method in 244 (CYP2C8 and CYP2C9) healthy Chinese Han individuals...
January 17, 2017: Pharmacogenetics and Genomics
https://www.readbyqxmd.com/read/28099174/discordance-rate-in-estrogen-receptor-progesterone-receptor-her2-status-and-ki67-index-between-primary-unifocal-and-multiple-homogenous-breast-carcinomas-and-synchronous-axillary-lymph-node-metastases-have-an-impact-on-therapeutic-decision
#4
Rares Georgescu, Monica Boros, Denisa Moncea, Orsolya Bauer, Marius-Florin Coros, Adela Oprea, Cosmin Moldovan, Cristian Podoleanu, Simona Stolnicu
BACKGROUND: We aimed to demonstrate that in breast carcinomas the tumor profile is not stable during the metastatic process, with impact on therapeutic decisions. MATERIALS AND METHODS: We analyzed the estrogen receptor (ER), progesterone receptor (PR), and HER2 status and Ki67 index in 41 primary unifocal (PU) and 37 primary multiple (PM) breast carcinomas with identical immunohistochemical profiles among multiple tumor foci and the matched axillary lymph node metastases...
January 17, 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/28098486/identification-and-characterization-of-genes-on-a-single-subgenome-in-the-hexaploid-wheat-triticum-aestivum-l-genotype-chinese-spring
#5
Jian Ma, Zhi Zheng, Jiri Stiller, Xiu-Jin Lan, Yaxi Liu, Mei Deng, Penghao Wang, Zhien Pu, Guangdeng Chen, Qian-Tao Jiang, Yuming Wei, You-Liang Zheng
Gene loss during the formation of hexaploid bread wheat has been repeatedly reported. However, our knowledge on genome-wide analysis of the genes present on a single subgenome (SSG) in bread wheat is still limited. In this study, by analysing the 'Chinese Spring' chromosome arm shotgun sequences together with high-confidence gene models, we detected 433 genes on a SSG. Greater gene loss was observed in A and D subgenomes compared with B subgenome. More than 79% of the orthologs for these SSG genes were detected in diploid and tetraploid relatives of hexaploid wheat...
November 1, 2016: Genome Génome / Conseil National de Recherches Canada
https://www.readbyqxmd.com/read/28096839/thoracoscopic-resection-of-a-bronchogenic-cyst-in-a-17-year-old-girl
#6
Roksana Pułtorak, Wojciech Korlacki, Michał Pasierbek, Andrzej Grabowski
Bronchogenic cysts comprise approximately 6% of mediastinal tumors in children. The treatment consists in surgical resection of the cyst. The authors present the case of a 17-year-old girl who was accidentally diagnosed with a mediastinal cyst. The patient was successfully treated with thoracoscopic surgery with good early and late clinical outcomes.
December 2016: Kardiochirurgia i Torakochirurgia Polska, Polish Journal of Cardio-Thoracic Surgery
https://www.readbyqxmd.com/read/28096314/exposure-to-recycled-uranium-contaminants-in-gaseous-diffusion-plants
#7
Jeri L Anderson, A Iulian Apostoaei, James H Yiin, Chih-Yu Tseng
As part of an ongoing study of health effects in a pooled cohort of gaseous diffusion plant workers, organ dose from internal exposure to uranium was evaluated. Due to the introduction of recycled uranium into the plants, there was also potential for exposure to radiologically significant levels of (99)Tc, (237)Np and (238,239)Pu. In the evaluation of dose response, these radionuclide exposures could confound the effect of internal uranium. Using urine bioassay data for study subjects reported in facility records, intakes and absorbed dose to bone surface, red bone marrow and kidneys were estimated as these organs were associated with a priori outcomes of interest...
January 16, 2017: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/28095755/changes-in-caregiver-burden-among-informal-caregivers-of-stroke-patients-in-mongolia
#8
Enkhzaya Chuluunbaatar, Christy Pu, Yiing-Jenq Chou
BACKGROUND: Modern therapeutics and health care improvements prolong stroke patients' survival; however, the degree of disability remains high. Stroke survivors often require caregivers, particularly in the first year after the onset of the stroke. Longitudinal assessment of and factors associated with caregiver burden (CGB) among caregivers of stroke patients has been scarcely discussed. This study aimed to define the changes in CGB in the first year of caregiving among the caregivers of stroke patients and to identify associated factors...
January 18, 2017: Topics in Stroke Rehabilitation
https://www.readbyqxmd.com/read/28093954/inhibitory-effect-of-high-calcium-concentration-on-municipal-solid-waste-leachate-treatment-by-the-activated-sludge-process
#9
Yi Xia, Pin Jing He, Hong Xia Pu, Fan Lü, Li Ming Shao, Hua Zhang
This research focused on the inhibitory effects of Ca on the aerobic biological treatment of landfill leachate containing extremely high Ca concentrations. When the Ca concentration in leachate to be treated was more than 4500 mg l(-1), the total organic carbon removal rate was significantly reduced and the processing time to achieve the same removal efficiency was 1.4 times that in the control treatment without added Ca. In contrast, the total nitrogen and ammonia nitrogen (NH4(+)-N) removal efficiencies were positively related to the Ca concentration, increasing from 65...
January 1, 2017: Waste Management & Research
https://www.readbyqxmd.com/read/28093330/effect-of-solution-plasma-process-with-bubbling-gas-on-physicochemical-properties-of-chitosan
#10
Fengming Ma, Pu Li, Baiqing Zhang, Qun Fu, Zhenyu Wang, Cailian Gu
In the present work, solution plasma process (SPP) with bubbling gas was used to prepare oligochitosan. The effect of SPP irradiation with bubbling gas on the degradation of chitosan was evaluated by the intrinsic viscosity reduction rate and the degradation kinetic. The formation of OH radical was studied. Changes of the physicochemical properties of chitosan were measured by scanning electron microscopy, X-ray diffraction, and thermogravimetric analysis, as well as ultraviolet-visible, Fourier-transform infrared, and (13)C nuclear magnetic resonance spectroscopy...
January 13, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28092412/population-dynamics-of-hcv-subtypes-in-injecting-drug-users-on-methadone-maintenance-treatment-in-china-associated-with-economic-and-health-reform
#11
Sheng Zhou, Eleonora Cella, Wang Zhou, Wen-Hua Kong, Man-Qing Liu, Pu-Lin Liu, Massimo Ciccozzi, Marco Salemi, Xin-Guang Chen
The extensive genetic heterogeneity of hepatitis C virus (HCV) requires in-depth understanding of the population dynamics of different viral subtypes for more effective control of epidemic outbreaks. We analyzed HCV sequences data from 125 participants in Wuhan, China. These participants were newly infected by subtype 1b (n=13), 3a (n=15), 3b (n=50), and 6a (n=39) while on methadone maintenance treatment (MMT). Bayesian phylogenies and demographic histories were inferred for these subtypes. Participants infected with HCV-1b and 3a were clustered in well-supported monophyletic clades, indicating local sub-epidemics...
January 16, 2017: Journal of Viral Hepatitis
https://www.readbyqxmd.com/read/28091410/molecular-mechanisms-of-increased-heart-rate-in-shenxianshengmai-treated-bradycardia-rabbits
#12
Zhou-Ying Liu, Jian Huang, Na-Na Liu, Min Zheng, Tao Zhao, Bu-Chang Zhao, Yi-Min Wang, Jie-Lin Pu
BACKGROUND: The molecular mechanisms of Shenxianshengmai (SXSM), a traditional Chinese medicine, on bradycardia have been incompletely understood. The study tried to investigate the gene expression profile and proteomics of bradycardia rabbits' hearts after SXSM treatment. METHODS: Twenty-four adult rabbits were randomly assigned in four groups: sham, model, model plus SXSM treatment, and sham plus SXSM treatment groups. Heart rate was recorded in all rabbits. Then, total RNA of atria and proteins of ventricle were isolated and quantified, respectively...
2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28089534/in-situ-measurements-of-light-absorbing-impurities-in-snow-of-glacier-on-mt-yulong-and-implications-for-radiative-forcing-estimates
#13
Hewen Niu, Shichang Kang, Xiaofei Shi, Rukumesh Paudyal, Yuanqing He, Gang Li, Shijin Wang, Tao Pu, Xiaoyi Shi
The Tibetan Plateau (TP) or the third polar cryosphere borders geographical hotspots for discharges of black carbon (BC). BC and dust play important roles in climate system and Earth's energy budget, particularly after they are deposited on snow and glacial surfaces. BC and dust are two kinds of main light-absorbing impurities (LAIs) in snow and glaciers. Estimating concentrations and distribution of LAIs in snow and glacier ice in the TP is of great interest because this region is a global hotspot in geophysical research...
January 12, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28088809/fibroblast-growth-factor-receptor-1-fgfr1-partly-related-to-vascular-endothelial-growth-factor-receptor-2-vegfr2-and-microvessel-density-is-an-independent-prognostic-factor-for-non-small-cell-lung-cancer
#14
Dan Pu, Jiewei Liu, Zhixi Li, Jiang Zhu, Mei Hou
BACKGROUND This study aimed to explore the correlation between FGFR1 and clinical features, including survival analysis and the promotion of angiogenesis by fibroblast growth factor receptor 1 (FGFR1) and vascular endothelial growth factor receptor 2 (VEGFR2). FGFR1 gene amplification has been found in non-small cell lung cancer (NSCLC). However, the prognostic value of FGFR1 and the correlation between FGFR1 and clinical features are still controversial. MATERIAL AND METHODS A total of 92 patients with NSCLC who underwent R0 resection between July 2006 and July 2008 were enrolled in the study...
January 15, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28087715/sf3b1-hsh155-heat-motif-mutations-affect-interaction-with-the-spliceosomal-atpase-prp5-resulting-in-altered-branch-site-selectivity-in-pre-mrna-splicing
#15
Qing Tang, Susana Rodriguez-Santiago, Jing Wang, Jia Pu, Andrea Yuste, Varun Gupta, Alberto Moldón, Yong-Zhen Xu, Charles C Query
Mutations in the U2 snRNP component SF3B1 are prominent in myelodysplastic syndromes (MDSs) and other cancers and have been shown recently to alter branch site (BS) or 3' splice site selection in splicing. However, the molecular mechanism of altered splicing is not known. We show here that hsh155 mutant alleles in Saccharomyces cerevisiae, counterparts of SF3B1 mutations frequently found in cancers, specifically change splicing of suboptimal BS pre-mRNA substrates. We found that Hsh155p interacts directly with Prp5p, the first ATPase that acts during spliceosome assembly, and localized the interacting regions to HEAT (Huntingtin, EF3, PP2A, and TOR1) motifs in SF3B1 associated with disease mutations...
December 15, 2016: Genes & Development
https://www.readbyqxmd.com/read/28087484/inhibition-of-bacterial-adhesion-and-biofilm-formation-by-dual-functional-textured-and-nitric-oxide-releasing-surfaces
#16
Li-Chong Xu, Yaqi Wo, Mark E Meyerhoff, Christopher A Siedlecki
: In separate prior studies, physical topographic surface modification or nitric oxide (NO) release has been demonstrated to each be an effective approach to inhibit and control bacterial adhesion and biofilm formation on polymeric surfaces. Such approaches can prevent biomaterial-associated infection without causing the antibiotic resistance of the strain. In this work, both techniques were successfully integrated and applied to a polyurethane (PU) biomaterial surface that bears ordered pillar topographies (400/400 nm and 500/500 nm patterns) at the top surface and a S-nitroso-N-acetylpenicillamine (SNAP, NO donor) doped sub-layer in the middle, via a soft lithography two-stage replication process...
January 10, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28078343/differential-effects-of-silver-and-iron-oxide-nanoparticles-on-iapp-amyloid-aggregation
#17
Miaoyi Wang, Aleksandr Kakinen, Emily H Pilkington, Thomas P Davis, Pu Chun Ke
Recent studies have shown promise on the use of small molecules and nanoparticles (NPs) for the inhibition of protein aggregation, a hallmark of neurodegenerative diseases and type 2 diabetes (T2D). Towards this end here we show the differential effects of silver and iron oxide nanoparticles (AgNPs and IONPs) on the mesoscopic properties of human islet amyloid polypeptide (IAPP) aggregation associated with T2D. Both citrate- and branched polyethyleneimine-coated AgNPs (c-AgNPs, bPEI-AgNPs) inhibited IAPP aggregation at 500 μg mL(-1), likely through electrostatic attraction and sequestering of IAPP monomers from fibrillation...
January 12, 2017: Biomaterials Science
https://www.readbyqxmd.com/read/28077336/predicting-protein-submitochondrial-locations-by-incorporating-the-positional-specific-physicochemical-properties-into-chou-s-general-pseudo-amino-acid-compositions
#18
Ya-Sen Jiao, Pu-Feng Du
Predicting protein submitochondrial locations has been studied for about ten years. A dozen of methods were developed in this regard. Although a mitochondrion has four submitochondrial compartments, all existing studies considered only three of them. The mitochondrial intermembrane space proteins were always excluded in these studies. However, there are over 50 mitochondrial intermembrane space proteins in the recent release of UniProt database. We think it is time to incorporate these proteins in predicting protein submitochondrial locations...
January 8, 2017: Journal of Theoretical Biology
https://www.readbyqxmd.com/read/28076889/polyurethane-conjugating-tgf-%C3%AE-on-surface-impacts-local-inflammation-and-endoplasmic-reticulum-stress-in-skeletal-muscle
#19
Dandan Shi, Jiangwei Xiao, Ruicai Gu, Gang Wu, Hua Liao
The synthesized short peptide-polymers would provide key functions for tissue regeneration and repair, through enriching bioactive molecules on polymers or releasing these molecules pre-conjugated on the materials. We have developed a degradable PU bearing HSNGLPL peptide, which has affinity binding ability to TGF-β. For deeply understanding spatial release of TGF-β from the PU polymers and its localized bioactivity, QCM and Elisa test were used to verify TGF-β binding capacities in vitro and in vivo. The PU polymers, with or without pre-conjugating of TGF-β, were implanted into gastronomies muscle (GN) of C57BL/6 mice, for addressing TGF-β release from the polymers and its bio-regulating function in vivo...
January 11, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28076327/mir-410-induces-stemness-by-inhibiting-gsk3%C3%AE-but-upregulating-%C3%AE-catenin-in-non-small-cells-lung-cancer
#20
Xixian Ke, Yue Yuan, Chenglin Guo, Yan Yang, Qiang Pu, Xueting Hu, Kui Tang, Xinmei Luo, Qianqian Jiang, Xiaolan Su, Lunxu Liu, Wen Zhu, Yuquan Wei
Our previous research indicated miR-410 played a critical role in promoting the tumorigenesis and development of NSCLC (non-small cells lung cancer). MiR-410 has been recently reported to be crucial for development and differentiation of embryonic stem cells. But it remains elusive whether miR-410 stimulates the stemness of cancer until now. Herein, we identify miR-410 induces the stemness and is associated with the progression of NSCLC. We demonstrate miR-410 increases the levels of stem cells marker Sox2, Oct4, Nanog, CXCR4 as well as lung cancer stem cells surface marker CD44 and CD166...
January 5, 2017: Oncotarget
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