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https://www.readbyqxmd.com/read/28738537/phosphodiesterase-inhibitor-ameliorates-neuronal-injury-in-spinal-cord-ischemia-reperfusion-injured-rat-model
#1
Xiao-Gang Chen, Fu Hua, Shou-Guo Wang, Yong-Yi Xu, Hai-Tao Yue
This study investigated the mechanisms responsible for the neuroprotective effect of sildenafil citrate (SFC) on ischemia-reperfusion spinal cord (SC) injuries. Balloon occlusion of the thoracic aorta was used to induce SC ischemia. The animals (n=30) were separated into three groups: sham, SC injury with saline, and SC injury with 5mg/kg i.p. SFC treatment (SFC). The Basso, Beattie, and Bresnahan (BBB) score was determined to assess neurological function at different time intervals after reperfusion. After 48h, histopathology of the SC was assessed by triphenyltetrazolium chloride (TTC) and Nissl staining...
July 20, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28738514/unraveling-the-impact-of-nanoscale-zero-valent-iron-on-the-nitrogen-removal-performance-and-microbial-community-of-anammox-sludge
#2
Zheng-Zhe Zhang, Jia-Jia Xu, Zhi-Jian Shi, Yu-Hui Bai, Ya-Fei Cheng, Hai-Yan Hu, Ren-Cun Jin
Given the increasing use of nanoscale zero-valent iron (NZVI) particles for environmental remediation and wastewater treatment, their potential impact on anaerobic ammonium oxidation (anammox) bacteria was investigated in this study using anammox sludge. Batch assays showed that NZVI concentrations up to 200mgL(-1) did not affect anammox activity, reactive oxygen species production, and cell membrane integrity. The nitrogen removal efficiency of the continuous-flow reactor fluctuated in the presence of 20 or 50mgL(-1) NZVI, but it could return to normal over time, even at 200mgL(-1) NZVI...
July 11, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28738445/population-characteristics-of-macrocheles-glaber-acari-macrochelidae-and-stratiolaelaps-scimitus-acari-laelapidae-reared-on-a-mushroom-fly-coboldia-fuscipes-diptera-scatopsidae
#3
Mei-Fang Wen, Hsin Chi, Ying-Xiao Lian, Yu-Hao Zheng, Qing-Hai Fan, Min-Sheng You
Subterranean predatory mites are important biological control agents of pests in soil. In order to understand the population characteristics of two predatory mites, Macrocheles glaber Müller and Stratiolaelaps scimitus Womersley, we studied their development, survival and fecundity data under laboratory conditions using Coboldia fuscipes Meigen as food source and analyzed with the age-stage, two-sex life table. Macrocheles glaber had a significantly shorter developmental time, oviposition period, longevity and lower fecundity than those of S...
July 24, 2017: Insect Science
https://www.readbyqxmd.com/read/28738398/the-compatibility-of-chlorhexidine-and-a-skin-care-product-line-a-real-world-analysis-of-hospital-acquired-infection-rates
#4
Priscilla L Phillips, Daniel Young, Debashish Chakravarthy
Chlorhexidine gluconate (CHG) use helps reduce hospital-acquired infections (HAIs). Chlorhexidine gluconate effectiveness can be reduced by use of skin care products. Although laboratory work can be performed to prove compatibility, such work has limitations. The purpose of this study was to compare HAI rates when CHG antiseptic wipes were used in conjunction with a silicone- and micronutrient-based skin care product line (SMSP) and when CHG wipes were used without the SMSP. Using commercial distribution data, 17 hospitals that purchased both CHG wipes and SMSP were identified...
July 2017: Health Care Manager
https://www.readbyqxmd.com/read/28738241/annotinolide-f-and-lycoannotines-a-i-further-lycopodium-alkaloids-from-lycopodium-annotinum
#5
Yu Tang, Juan Xiong, Yike Zou, Wei Wang, Chao Huang, Hai-Yan Zhang, Jin-Feng Hu
Seven lycopodine-type (annotinolide F and lycoannotines A-F), two lycodine-type (lycoannotines G and H), and one fawcettimine-type (lycoannotine I) previously undescribed naturally occurring Lycopodium alkaloids together with thirteen known ones were isolated from the whole plant of Lycopodium annotinum. Their structures and absolute configurations were determined by extensive spectroscopic methods, single-crystal X-ray diffraction, chemical transformation, and electronic circular dichroism (ECD) calculations...
July 21, 2017: Phytochemistry
https://www.readbyqxmd.com/read/28737768/arid1a-mutated-ovarian-cancers-depend-on-hdac6%C3%A2-activity
#6
Benjamin G Bitler, Shuai Wu, Pyoung Hwa Park, Yang Hai, Katherine M Aird, Yemin Wang, Yali Zhai, Andrew V Kossenkov, Ana Vara-Ailor, Frank J Rauscher Iii, Weiping Zou, David W Speicher, David G Huntsman, Jose R Conejo-Garcia, Kathleen R Cho, David W Christianson, Rugang Zhang
ARID1A, encoding a subunit of the SWI/SNF chromatin-remodelling complex, is the most frequently mutated epigenetic regulator across all human cancers. ARID1A and TP53 mutations are typically mutually exclusive. Therapeutic approaches that correlate with this genetic characteristic remain to be explored. Here, we show that HDAC6 activity is essential in ARID1A-mutated ovarian cancers. Inhibition of HDAC6 activity using a clinically applicable small-molecule inhibitor significantly improved the survival of mice bearing ARID1A-mutated tumours...
July 24, 2017: Nature Cell Biology
https://www.readbyqxmd.com/read/28737508/targeting-nek2-attenuates-glioblastoma-growth-and-radioresistance-by-destabilizing-histone-methyltransferase-ezh2
#7
Jia Wang, Peng Cheng, Marat S Pavlyukov, Hai Yu, Zhuo Zhang, Sung-Hak Kim, Mutsuko Minata, Ahmed Mohyeldin, Wanfu Xie, Dongquan Chen, Violaine Goidts, Brendan Frett, Wenhao Hu, Hongyu Li, Yong Jae Shin, Yeri Lee, Do-Hyun Nam, Harley I Kornblum, Maode Wang, Ichiro Nakano
Accumulating evidence suggests that glioma stem cells (GSCs) are important therapeutic targets in glioblastoma (GBM). In this study, we identified NIMA-related kinase 2 (NEK2) as a functional binding protein of enhancer of zeste homolog 2 (EZH2) that plays a critical role in the posttranslational regulation of EZH2 protein in GSCs. NEK2 was among the most differentially expressed kinase-encoding genes in GSC-containing cultures (glioma spheres), and it was required for in vitro clonogenicity, in vivo tumor propagation, and radioresistance...
July 24, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28737396/azacyclo-indoles-and-phenolics-from-the-flowers-of-juglans-regia
#8
Qian Li, An-Jun Deng, Li Li, Lian-Qiu Wu, Ming Ji, Hai-Jing Zhang, Zhi-Hong Li, Lin Ma, Zhi-Hui Zhang, Xiao-Guang Chen, Hai-Lin Qin
Seven new azacyclo-indoles and phenolics and four known alkaloids were isolated from the flowers of Juglans regia. Spectroscopic and chromatographic data revealed that the structures of the new compounds are 5,6,11,12-tetrahydropyrrolo[1',2':1,2]azepino[4,5-b]indole-3-carbaldehyde (1), (±)-5,6,7,11c-tetrahydro-1H-indolizino[7,8-b]indol-3(2H)-one (2), (±)-9-hydroxy-5-oxo-2,3,4,5-tetrahydro-1H-benzo[b]azepine-2-carboxamide (3), 5-(ethoxymethyl)-1-(4-hydroxyphenethyl)-1H-pyrrole-2-carbaldehyde (4), (±)-5,8-dihydroxy-4-(1H-indol-3-yl)-3,4-dihydronaphthalen-1(2H)-one (5), (±)-4-(6-amino-9H-purin-9-yl)-5,8-dihydroxy-3,4-dihydronaphthalen-1(2H)-one (6), and (±)-4-(6-amino-9H-purin-9-yl)-5-hydroxy-3,4-dihydronaphthalen-1(2H)-one (7)...
July 24, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28737128/bioequivalence-of-two-oseltamivir-formulations-in-healthy-chinese-volunteers%C3%A2
#9
Yun-Lei Yun, Shou-Hong Gao, Yan Wen, Zhi-Peng Wang, Hai-Jun Miao, Wan-Sheng Chen
BACKGROUND: The aim of this study was to compare the bioavailability of a new generic formulation of oseltamivir 75-mg capsule (test) and a branded formulation Tamiflu® (reference) to meet regulatory criteria for marketing the test product in healthy Chinese male volunteers. METHODS: This single-dose, randomized-sequence, open-label, two-period crossover study was conducted in fasted healthy Chinese male volunteers, who first received a single oral dose of the test or reference formulation with a 7-day washout period, and then the alternative formulation...
July 24, 2017: International Journal of Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28736978/cxcl8-promotes-the-invasion-of-human-osteosarcoma-cells-by-regulation-of-pi3k-akt-signaling-pathway
#10
Hai Jiang, Xiaowei Wang, Wusheng Miao, Bing Wang, Yusheng Qiu
Chemokine cysteine-X-cysteine motif ligand 8 (CXCL8) is up-regulated in many malignancies, indicating that CXCL8 takes part in tumor progression. However, the expression and function of CXCL8 in osteosarcoma remained not fully elucidated. In this study, expressions of 12 cytokines and chemokines were measured in the serum from 12 of normal controls (NCs) and 25 of osteosarcoma patients. The human osteosarcoma cell line MG-63 was stimulated by recombinant CXCL8 to further analyze invasion, proliferation, apoptosis, cell cycles, cytokine secretions, and signaling pathways...
July 24, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28736380/-association-of-fasl-844t-c-gene-polymorphism-with-fasl-expression-in-the-nucleus-pulposus-of-degenerative-lumbar-intervertebral-discs
#11
Zheng-Ming Sun, Pengmaojiacuo Pengmaojiacuo, Hong-Hai Xu, Yan-Hai Chang, Xue-Yuan Wu, Xiang-Hui Dong, Ming Ling
OBJECTIVE: To investigate the association of FasL-844T/C gene polymorphism with the magnetic resonance imaging (MRI) findings and FasL expression in the nucleus pulposus of degenerative lumbar intervertebral discs. METHODS: Lumbar MRI data, venous blood and nucleus pulposus were collected from 105 patients with lumbar disc herniation. The genotypes of FasL-844T/C gene of the patients were determined using matrix-assisted laser desorption ionization time-of-flight mass spectrometry...
July 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28736362/-small-interfering-rna-mediated-monocarboxylate-transporter-1-silencing-enhances-sensitivity-of-nasopharyngeal-carcinoma-hne1-ddp-cells-to-cisplatin-induced-apoptosis
#12
Pei Zhang, Fang Liu, Jiao Gao, Lin-Yan Ma, Xiao-Jin Sun, Hai-Lun Zheng, Hao Liu, Su-Rong Zhao
OBJECTIVE: To investigate the effect of small interfering RNA (siRNA)-mediated silencing of monocarboxylate transporter 1 (MCT1) on the sensitivity of drug-resistant nasopharyngeal carcinoma HNE1/DDP cells to cisplatin (DDP)-induced apoptosis and explore the possible mechanism. METHODS: The expression of MCT1 was analyzed in HNE1 and HNE1/DDP cells and in HNE1/DDP cells transfected with siRNA using Western blot. MTT assay was used to assess the inhibitory effect of different concentrations of DDP alone or in combination with MCT1 siRNA on the proliferation of HNE1/DDP cells...
July 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28736104/opioid-induced-constipation-relief-of-fixed-ratio-combination-prolonged-release-oxycodone-naloxone-compared-with-oxycodone-and-morphine-for-chronic-non-malignant-pain-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#13
REVIEW
Lang Huang, Jian-Guo Zhou, Yu Zhang, Fei Wang, Yi Wang, Da-Hai Liu, Xin-Juan Li, Shui-Ping Lv, Su-Han Jin, Yu-Ju Bai, Hu Ma
BACKGROUND: Opioid-induced constipation (OIC) is one of the most frequent and severe adverse events (AEs) following treatment with opioids. Recent studies have indicated that fixed-ratio combination prolonged-release oxycodone/naloxone (OXN PR) could decrease OIC with similar pain relief compared with other opioids. OBJECTIVES: We systematically reviewed (PROSPERO registration numbers: CRD42016036244) the constipation relief of OXN PR compared with other opioids regardless of formulation, prolonged-release or extended-release used for the relief of chronic pain...
July 20, 2017: Journal of Pain and Symptom Management
https://www.readbyqxmd.com/read/28735157/effects-of-adhesions-of-amorphous-fe-and-al-hydroxides-on-surface-charge-and-adsorption-of-k-and-cd-2-on-rice-roots
#14
Zhao-Dong Liu, Hai-Cui Wang, Qin Zhou, Ren-Kou Xu
Iron (Fe) and aluminum (Al) hydroxides in variable charge soils attached to rice roots may affect surface-charge properties and subsequently the adsorption and uptake of nutrients and toxic metals by the roots. Adhesion of amorphous Fe and Al hydroxides onto rice roots and their effects on zeta potential of roots and adsorption of potassium (K(+)) and cadmium (Cd(2+)) by roots were investigated. Rice roots adsorbed more Al hydroxide than Fe hydroxide because of the greater positive charge on Al hydroxide. Adhesion of Fe and Al hydroxides decreased the negative charge on rice roots, and a greater effect of the Al hydroxide...
July 20, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28735146/influence-of-electromagnetic-pulse-on-the-offspring-sex-ratio-of-male-balb-c-mice
#15
Jin-Hui Li, Da-Peng Jiang, Ya-Feng Wang, Jia-Jia Yan, Qi-Yan Guo, Xia Miao, Hai-Yang Lang, Sheng-Long Xu, Jun-Ye Liu, Guo-Zhen Guo
Public concern is growing about the exposure to electromagnetic fields (EMF) and its effect on male reproductive health. Detrimental effect of EMF exposure on sex hormones, reproductive performance and sex-ratio was reported. The present study was designed to clarify whether paternal exposure to electromagnetic pulse (EMP) affects offspring sex ratio in mice. 50 male BALB/c mice aged 5-6 weeks were exposed to EMP daily for 2 weeks before mated with non-exposed females at 0d, 7d, 14d, 21d and 28d after exposure...
June 21, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/28734630/management-of-an-acinetobacter-baumannii-outbreak-in-an-intensive-care-unit
#16
M Tanguy, A Kouatchet, B Tanguy, É Pichard, S Fanello, M-L Joly-Guillou
INTRODUCTION: Acinetobacter baumannii is a ubiquitous pathogen resistant to desiccation and responsible for healthcare-associated infections (HAI), especially in intensive care units (ICU) where it is responsible for 5-10% of HAIs. An A. baumannii outbreak occurred in the ICU of the University Hospital of Angers, France. OBJECTIVES: To describe the A. baumannii outbreak and to evaluate the control measures taken. The secondary objective was to evaluate the impact of the electronic alert system on the incidence of multidrug resistance to antibiotics...
July 19, 2017: Médecine et Maladies Infectieuses
https://www.readbyqxmd.com/read/28733281/structural-and-mechanistic-insights-into-the-improvement-of-halotolerant-ability-of-a-marine-microbial-esterase-by-increasing-intra-and-inter-domain-hydrophobic-interactions
#17
Ping-Yi Li, Yi Zhang, Bin-Bin Xie, Yan-Qi Zhang, Jie Hao, Yue Wang, Peng Wang, Chun-Yang Li, Qi-Long Qin, Xi-Ying Zhang, Hai-Nan Su, Mei Shi, Yu-Zhong Zhang, Xiu-Lan Chen
Halotolerant enzymes are beneficial for industrial processes requiring high salts and low water activity. Most halophilic proteins are evolved to have reduced hydrophobic interactions on the surface and in the hydrophobic cores for their haloadaptation. However, in this study, we improved the halotolerance of a thermolablie esterase, E40, by increasing intra-protein hydrophobic interactions. E40 was quite unstable in buffers containing more than 0.3 M NaCl and its kcat and substrate affinity were both significantly reduced in 0...
July 21, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28732858/optimization-of-microwave-assisted-extraction-of-sargassum-thunbergii-polysaccharides-and-its-antioxidant-and-hypoglycemic-activities
#18
Beibei Ren, Chun Chen, Chao Li, Xiong Fu, Lijun You, Rui Hai Liu
In the present work, optimization of microwave-assisted extraction of polysaccharides from Sargassum thunbergii was investigated. The physicochemical properties, structural characteristics, and in vitro antioxidant and hypoglycemic activities were determined. The optimal extraction conditions with a yield of 2.84±0.09% for extraction of polysaccharides (STP-1) were extraction time 23min, microwave power 547W, extraction temperature 80°C, and the ratio of raw material to water 1:27g/mL. STP-1 contained 32...
October 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28732652/correlation-of-tenascin-c-concentrations-in-serum-with-outcome-of-traumatic-brain-injury-in-humans
#19
Yuan-Yuan Zhao, Lin Lou, Kai-Chuang Yang, Hai-Bo Wang, Yan Xu, Gang Lu, Hai-Yan He
BACKGROUND: Tenascin-C, a matricellular protein, is involved in brain injury. However, change of tenascin-C concentrations in peripheral blood remains unknown after traumatic brain injury (TBI). METHODS: Serum tenascin-C concentrations were measured in 100 healthy controls, 108 severe TBI patients, 79 moderate TBI patients and 32 mild TBI patients. RESULTS: Serum tenascin-C concentrations of patients were significantly higher than those of controls...
July 18, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28732522/the-excretory-secretory-products-of-echinococcus-granulosus-protoscoleces-directly-regulate-the-differentiation-of-b10-b17-and-th17-cells
#20
Wei Pan, Wen-Ting Hao, Yu-Juan Shen, Xiang-Yang Li, Yan-Juan Wang, Fen-Fen Sun, Jian-Hai Yin, Jing Zhang, Ren-Xian Tang, Jian-Ping Cao, Kui-Yang Zheng
BACKGROUND: Excretory-secretory products (ESPs) released by helminths are well-known to regulate T cell responses in the host. However, their direct influence in the differentiation of naïve T cells, and especially B cells, remains largely unknown. This study investigated the effects of Echinococcus granulosus protoscoleces ESPs (EgPSC-ESPs) on the differentiation of IL-10-producing B cells (B10), IL-17A-producing B cells (B17) and Th17 cells. METHODS: BALB/c mice injected with EgPSC were used to evaluate the in vivo profiles of B10, B17 and Th17 cells...
July 21, 2017: Parasites & Vectors
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