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https://www.readbyqxmd.com/read/29777930/experimental-and-theoretical-study-of-fingerprint-spectra-of-2-4-fluorophenyl-benzimidazole-and-2-4-chlorophenyl-benzimidazole-in-terahertz-range
#1
Maojiang Song, Fei Yang, Liping Liu, Li Shen, Pengfei Hu, Caixia Su
Due to wide variety of biological and pharmacological activities of benzimidazole derivatives, the terahertz fingerprint spectra of 2-(4-fluorophenyl)benzimidazole and 2-(4-chlorophenyl)benzimidazole are researched by employing terahertz time-domain spectroscopy and density functional theory systematically. Although the substituent at the para position on the benzene moiety are the same family elements (F, Cl) in the periodic table, both experimental and theoretical results show that there are substantial differences in their fingerprint spectra in the range of 0...
May 10, 2018: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/29777876/poly-adenine-mediated-fluorescent-spherical-nucleic-acid-probes-for-live-cell-imaging-of-endogenous-tumor-related-mrna
#2
Dan Zhu, Dongxia Zhao, Jiaxuan Huang, Yu Zhu, Jie Chao, Shao Su, Jiang Li, Lihua Wang, Jiye Shi, Xiaolei Zuo, Lixing Weng, Qian Li, Lianhui Wang
Identification of tumor-related mRNA in living cells hold great promise for early cancer diagnosis and pathological research. Herein, we present poly-adenine (polyA)-mediated fluorescent spherical nucleic acid (FSNA) probes for intracellular mRNA detection with regulable sensitivities by programmably adjusting the loading density of DNA on gold nano-interface. Gold nanoparticles (AuNPs) functionalized with polyA-tailed recognition sequences were hybridized to fluorescent "reporter" strands to fabricate fluorescence-quenched FSNA probes...
May 16, 2018: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/29777862/revealing-a-raf-functions-through-its-interactome
#3
Xin-Yu Zhang, Hui Guo, Bing Han, Xu-Min Zhang, Ying Huang, Yang Yang, Ying Liu, Xiao-Xi Guo, Qian Hao, Su An, Tian-RuiXu
A-Raf is a member of the Raf kinase family. Unlike B-Raf and C-Raf, the functions of A-Raf remain obscure. To gain more insight into the biological functions of A-Raf, we investigated the A-Raf interactome using proteomics. We found 132 proteins that interact with A-Raf and confirmed the interaction of 12 of these proteins with A-Raf by western blotting. Our data suggested that A-Raf regulates apoptosis, RNA catabolism, GTPase activity, and cell adhesion by interacting with proteins located in different cellular compartments...
May 16, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29777861/in-vitro-activity-characterization-of-the-tomato-snrk1-complex-proteins
#4
Dongyin Su, Timothy P Devarenne
Plant Sucrose non-Fermenting 1-Related Protein Kinase1 (SnRK1) complexes are members of the Snf1/AMPK/SnRK protein kinase family and play important roles in many aspects of metabolism. In tomato (Solanum lycopersicum, Sl), only one α-subunit of the SnRK1 complex, SlSnRK1.1, has been characterized to date. In this study, the phylogenetic placement and in vitro kinase activity of a second tomato SnRK1 α-subunit, SlSnRK1.2, were characterized. Interestingly, in the phylogenetic analysis of SnRK1 sequences from monocots and dicots SlSnRK1...
May 16, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29777698/surf4-has-oncogenic-potential-in-nih3t3-cells
#5
Jayoung Kim, Chae Mi Hong, Su Min Park, Dong Hoon Shin, Jee Yeon Kim, Sang-Mo Kwon, Jae Ho Kim, Chi Dae Kim, Dae-Sik Lim, Dongjun Lee
SURF4, which is located in the Surfeit gene cluster, encodes for a conserved integral membrane protein containing multiple putative transmembrane regions. However, the physiological role of SURF4 has not been determined. We found that SURF4 demonstrated aberrant amplification and increased expression in the tumor tissues of several human cancer patients. Overexpression of SURF4 led to increased cell proliferation, migration, and maintenance of anchorage-independent growth. In addition, NIH3T3 cells overexpressing SURF4 induced tumor growth in the mice...
May 16, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29777693/cleavage-of-molybdopterin-synthase-moad-moae-linear-fusion-by-jamm-mpn-domain-containing-metalloprotease-dr0402-from-deinococcus-radiodurans
#6
Yoon-Mo Yang, Young-Bin Won, Chang-Jun Ji, Jung-Hoon Kim, Su-Hyun Ryu, Youn-Ha Ok, Jin-Won Lee
Molybdenum cofactor (Moco), molybdopterin (MPT) complexed with molybdenum, is an essential cofactor required for the catalytic center of diverse enzymes in all domains of life. Since Moco cannot be taken up as a nutrient unlike many other cofactors, Moco requires de novo biosynthesis. During the synthesis of MPT, the sulfur atom on the C-terminus of MoaD is transferred to cyclic pyranopterin monophosphate (cPMP) which is bound in the substrate pocket of MoaE. MoaD is a ubiquitin-like (Ubl) protein and has a C-terminal di-Gly motif which is a common feature of Ubl proteins...
May 16, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29777684/repositioning-of-anti-cancer-drug-candidate-azd7762-to-an-anti-allergic-drug-suppressing-ige-mediated-mast-cells-and-allergic-responses-via-the-inhibition-of-lyn-and-fyn
#7
Young Hwan Park, Do Kyun Kim, Hyun Woo Kim, Hyuk Soon Kim, Dajeong Lee, Min Bum Lee, Keun Young Min, Jimo Koo, Su Jeong Kim, Changhee Kang, Young Mi Kim, Hyung Sik Kim, Wahn Soo Choi
Mast cells are critical effector cells in IgE-mediated allergic responses. The aim of this study was to investigate the anti-allergic effects of 3-[(aminocarbonyl)amino]-5-(3-fluorophenyl)-N-(3S)-3-piperidinyl-2-thiophenecarboxamide (AZD7762) in vitro and in vivo. AZD7762 inhibited the antigen-stimulated degranulation from RBL-2H3 (IC50 , ∼ 27.9 nM) and BMMCs (IC50 , ∼ 99.3 nM) in a dose-dependent manner. AZD7762 also inhibited the production of TNF-α and IL-4. As the mechanism of its action, AZD7762 inhibited the activation of Syk and its downstream signaling proteins, such as Linker of activated T cells (LAT), phospholipase (PL) Cγ1, Akt, and mitogen-activated protein (MAP) kinases (Erk1 / 2, p38, and JNK) in mast cells...
May 16, 2018: Biochemical Pharmacology
https://www.readbyqxmd.com/read/29777476/comparison-of-procalcitonin-a-potentially-new-inflammatory-biomarker-of-frailty-to-interleukin-6-and-c-reactive-protein-among-older-chinese-hospitalized-patients
#8
Ying Yang, Qiukui Hao, Joseph H Flaherty, Li Cao, Jianghua Zhou, Li Su, Yanjiao Shen, Birong Dong
AIM: Procalcitonin (PCT) has predictive value for patients with infectious diseases, but has not been studied in frailty. The purpose of this study was to compare PCT to two other inflammatory biomarkers [interleukin-6 (IL-6)] and C-reactive protein (CRP) in their association with frailty among older hospitalized patients. METHODS: Retrospective study of inpatients (June-December, 2016), who had all three biomarkers measured within 24 h of admission. Frailty was defined according to the Chinese version of a validated frailty scale...
May 17, 2018: Aging Clinical and Experimental Research
https://www.readbyqxmd.com/read/29777185/electronic-states-of-deep-trap-levels-in-a-plane-gan-templates-grown-on-r-plane-sapphire-by-hvpe
#9
Moonsang Lee, Thi Kim Oanh Vu, Kyoung Su Lee, Eun Kyu Kim, Sungsoo Park
We report on the defect states incorporated in a-plane GaN crystals grown on r-plane sapphire substrates by hydride vapor phase epitaxy (HVPE), using deep level transient spectroscopy (DLTS). Two defect states were observed at 0.2 eV and 0.55 eV below the conduction band minimum with defect densities of 5 × 1012 /cm3 and 4.7 × 1013 /cm3 , respectively. The size of capture cross section, non-linear relation of trap densities from the depth profile, filling pulse width, and PL measurements indicated that the electronic deep trap levels in a-plane GaN on r-plane sapphire by HVPE originated from non-interacting point defects such as NGa , complex defects involving Si, O, or C, and VGa -related centres...
May 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29777007/development-of-64-cu-nota-trastuzumab-for-her2-targeting-radiopharmaceutical-with-improved-pharmacokinetics-for-human-study
#10
Sang-Keun Woo, Su Jin Jang, Min-Jung Seo, Ju Hui Park, Byoung Soo Kim, Eun Jung Kim, Yong Jin Lee, Tae Sup Lee, Gwang Il An, In Ho Song, Youngho Seo, Kwang Il Kim, Joo Hyun Kang
Purpose The purpose of this study was to develop 64 Cu-labeled trastuzumab with improved pharmacokinetics for human epidermal growth factor receptor 2. Methods Trastuzumab was conjugated with SCN-Bn-NOTA and radiolabeled with 64 Cu. Serum stability and immunoreactivity of 64 Cu-NOTA-trastuzumab were tested. Small animal PET imaging and biodistribution study were performed in HER2-positive breast cancer xenograft model (BT-474). Internal dosimetry of experimental animals was performed using the image-based approach with the Monte Carlo N-Particle Code...
May 18, 2018: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/29776865/gut-microbiota-in-patients-with-parkinson-s-disease-in-southern-china
#11
Aiqun Lin, Wenxia Zheng, Yan He, Wenli Tang, Xiaobo Wei, Rongni He, Wei Huang, Yuying Su, Yaowei Huang, Hongwei Zhou, Huifang Xie
INTRODUCTION: Accumulating evidence has revealed alterations in the communication between the gut and brain in patients with Parkinson's disease (PD), and previous studies have confirmed that alterations in the gut microbiome play an important role in the pathogenesis of numerous diseases, including PD. The aim of this study was to determine whether the faecal microbiome of PD patients in southern China differs from that of control subjects and whether the gut microbiome composition alters among different PD motor phenotypes...
May 16, 2018: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/29776864/putaminal-dopamine-depletion-in-de-novo-parkinson-s-disease-predicts-future-development-of-wearing-off
#12
Su Jin Chung, Yoonju Lee, Jungsu S Oh, Jae Seung Kim, Phil Hyu Lee, Young H Sohn
INTRODUCTION: The present study aimed to investigate whether the level of presynaptic dopamine neuronal loss predicts future development of wearing-off in de novo Parkinson's disease. METHODS: This retrospective cohort study included a total of 342 non-demented patients with de novo Parkinson's disease who underwent dopamine transporter positron emission tomography scans at their initial evaluation and received dopaminergic medications for 24 months or longer. Onset of wearing-off was determined based on patients' medical records at their outpatient clinic visits every 3-6 months...
May 10, 2018: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/29776806/resistant-gonorrhoea-east-meets-west
#13
Peter A Rice, Xiao-Hong Su
No abstract text is available yet for this article.
May 15, 2018: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/29776746/comparison-of-efficacy-of-colonoscopy-between-the-morning-and-afternoon-a-systematic-review-and-meta-analysis
#14
REVIEW
Junqi Wu, Sheng-Bing Zhao, Shu-Ling Wang, Jun Fang, Tian Xia, Xiao-Ju Su, Can Xu, Zhao-Shen Li, Yu Bai
OBJECTIVE: Colonoscopy performed in the afternoon, rather than morning, has been reported to be associated with lower rates of adenoma and polyp detection (ADR and PDR) and cecal intubation (CIR). This meta-analysis evaluated the efficacy of afternoon colonoscopy relative to morning colonoscopy. METHODS: The databases MEDLINE, Web of Science, EMBASE, and the Cochrane Library were searched to identify potential relevant studies. The primary outcome was ADR and the secondary outcomes were CIR and PDR...
April 9, 2018: Digestive and Liver Disease
https://www.readbyqxmd.com/read/29776389/what-is-the-impact-of-human-leukocyte-antigen-mismatching-on-graft-survival-and-mortality-in-renal-transplantation-a-meta-analysis-of-23-cohort-studies-involving-486-608-recipients
#15
Xinmiao Shi, Jicheng Lv, Wenke Han, Xuhui Zhong, Xinfang Xie, Baige Su, Jie Ding
BACKGROUND: The magnitude effects of human leukocyte antigen (HLA) mismatching on post-transplant outcomes of kidney transplantation remain controversial. We aim to quantitatively assess the associations of HLA mismatching with graft survival and mortality in adult kidney transplantation. METHODS: We searched PubMed, EMBASE and the Cochrane Library from their inception to December, 2016. Priori clinical outcomes were overall graft failure, death-censored graft failure and all-cause mortality...
May 18, 2018: BMC Nephrology
https://www.readbyqxmd.com/read/29776064/absorbing-phase-transitions-in-deterministic-fixed-energy-sandpile-models
#16
Su-Chan Park
We investigate the origin of the difference, which was noticed by Fey et al. [Phys. Rev. Lett. 104, 145703 (2010)PRLTAO0031-900710.1103/PhysRevLett.104.145703], between the steady state density of an Abelian sandpile model (ASM) and the transition point of its corresponding deterministic fixed-energy sandpile model (DFES). Being deterministic, the configuration space of a DFES can be divided into two disjoint classes such that every configuration in one class should evolve into one of absorbing states, whereas no configurations in the other class can reach an absorbing state...
March 2018: Physical Review. E
https://www.readbyqxmd.com/read/29775942/toxicological-effects-on-earthworms-eisenia-fetida-exposed-to-sub-lethal-concentrations-of-bde-47-and-bde-209-from-a-metabolic-point
#17
Ruoyu Liang, Juan Chen, Yajuan Shi, Yonglong Lu, Suriyanarayanan Sarvajayakesavalu, Xiangbo Xu, Xiaoqi Zheng, Kifayatullah Khan, Chao Su
Earthworms improve the soil fertility and they are also sensitive to soil contaminants. Earthworms (Eisenia fetida), standard reference species, were usually chosen to culture and handle for toxicity tests. Metabolic responses in earthworms exposed to 2, 2', 4, 4'-tetrabromodiphenyl ether (BDE-47) and decabromodiphenyl ether (BDE-209) were inhibitory and interfered with basal metabolism. In this study, 1 H-NMR based metabolomics was used to identify sensitive biomarkers and explore metabolic responses of earthworms under sub-lethal BDE-47 and BDE-209 concentrations for 14 days...
May 15, 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29775936/from-hit-to-lead-structure-based-discovery-of-naphthalene-1-sulfonamide-derivatives-as-potent-and-selective-inhibitors-of-fatty-acid-binding-protein-4
#18
Ding-Ding Gao, Hui-Xia Dou, Hai-Xia Su, Ming-Ming Zhang, Ting Wang, Qiu-Feng Liu, Hai-Yan Cai, Hai-Peng Ding, Zhuo Yang, Wei-Liang Zhu, Ye-Chun Xu, He-Yao Wang, Ying-Xia Li
Fatty acid binding protein 4 (FABP4) plays a critical role in metabolism and inflammatory processes and therefore is a potential therapeutic target for immunometabolic diseases such as diabetes and atherosclerosis. Herein, we reported the identification of naphthalene-1-sulfonamide derivatives as novel, potent and selective FABP4 inhibitors by applying a structure-based design strategy. The binding affinities of compounds 16dk, 16do and 16du to FABP4, at the molecular level, are equivalent to or even better than that of BMS309403...
May 9, 2018: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29775925/exposure-to-tris-1-3-dichloro-2-propyl-phosphate-for-two-generations-decreases-fecundity-of-zebrafish-at-environmentally-relevant-concentrations
#19
Yongkang Zhang, Meng Li, Shuying Li, Qiangwei Wang, Guonian Zhu, Guanyong Su, Robert J Letcher, Chunsheng Liu
Previous studies reported that exposure to environmentally relevant concentrations of TDCIPP significantly decreased the number of cumulative eggs in zebrafish, but effects on the quantity of eggs and sperms remained unknown. Therefore, in this study, effects of TDCIPP on yolk diameter, surface morphology of eggs, sperm density and total motility were evaluated. First generation (F0) zebrafish larvae (Danio rerio) were exposed to 0, 50, 500 or 5000 ng/L tris(1,3-dichloro-2-propyl) phosphate (TDCIPP) from 14 days post fertilization (dpf) to 120 dpf...
May 14, 2018: Aquatic Toxicology
https://www.readbyqxmd.com/read/29775900/hordenine-protects-against-hyperglycemia-associated-renal-complications-in-streptozotocin-induced-diabetic-mice
#20
Shuhao Su, Meng Cao, Guangyuan Wu, Zi Long, Xiaodong Cheng, Junshu Fan, Zhongrui Xu, Hongfei Su, Yiming Hao, Ge Li, Jie Peng, Shuang Li, Xin Wang
The worldwide prevalence of diabetes and associated metabolic diseases has dramatically increased. Pharmacological treatment of diabetes is still limited. Hordenine (HOR), a phenethylamine alkaloid, is a natural constituent in many plants. The present study was designed to explore the possible anti-diabetic effect of HOR in streptozotocin (STZ)-induced diabetic mice. Combined treatment of HOR and insulin significantly reduced fasting and postprandial blood glucose level in diabetic mice. HOR and insulin did not show evident protective effect against structural and functional injuries of pancreas...
May 15, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
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