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https://www.readbyqxmd.com/read/28545280/-impacts-of-early-metoprolol-intervention-on-connexin-43-and-phosphorylated-connexin-43-expression-in-rabbits-with-experimental-myocardial-infarction
#1
M Zhou, Q Lu, J Q Jiang, Z N Chen, Z G Gong, Z G Li, W W Fu, S F Ding
Objective: To investigate the early intervention effects of metoprolol on connexin 43(Cx43) and phosphorylated Cx43 (p-Cx43) expression in rabbits with post myocardial infarction. Methods: A total of 24 adult male New Zealand white rabbits were divided into sham group (n=6), early treatment group(n=6), routine treatment group(n=6), and myocardial infarction group(n=6) with a randomized block design blocked by weight. Myocardial infarction was induced by left anterior descending coronary artery (LAD) ligation...
April 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/28544905/high-serum-levels-of-soluble-interleukin-2-receptor-sil2-r-interleukin-6-il-6-and-tumor-necrosis-factor-alpha-tnf-are-associated-with-adverse-clinical-features-and-predict-poor-outcome-in-diffuse-large-b-cell-lymphoma
#2
Ivan Dlouhy, Xavier Filella, Jordina Rovira, Laura Magnano, Alfredo Rivas-Delgado, Tycho Baumann, Alejandra Martínez-Trillos, Olga Balagué, Antonio Martínez, Blanca González-Farre, Kennosuke Karube, Eva Gine, Julio Delgado, Elías Campo, Armando López-Guillermo
Diffuse large B-cell lymphoma (DLBCL) is an aggressive lymphoma with heterogeneous outcomes. To improve accuracy of the international prognostic index score, new biological variables are being investigated. The aim of this study was to determine the prognostic significance of serum levels of different cytokines, namely soluble interleukin-2 receptor (sIL2-R), interleukin-6 (IL-6) and tumor necrosis factor alpha (TNF). We analyzed 197 de novo DLBCL patients (91 M/106 F; median age 66 years) treated with immunochemotherapy in a single institution...
May 17, 2017: Leukemia Research
https://www.readbyqxmd.com/read/28544112/a-cost-efficient-bifunctional-ultrathin-nanosheets-array-for-electrochemical-overall-water-splitting
#3
Ying Zhang, Qi Shao, Yecan Pi, Jun Guo, Xiaoqing Huang
The design of cost-efficient earth-abundant catalysts with superior performance for the electrochemical water splitting is highly desirable. Herein, a general strategy for fabricating superior bifunctional water splitting electrodes is reported, where cost-efficient earth-abundant ultrathin Ni-based nanosheets arrays are directly grown on nickel foam (NF). The newly created Ni-based nanosheets@NF exhibit unique features of ultrathin building block, 3D hierarchical structure, and alloy effect with the optimized Ni5 Fe layered double hydroxide@NF (Ni5 Fe LDH@NF) exhibiting low overpotentials of 210 and 133 mV toward both oxygen evolution reaction and hydrogen evolution reaction at 10 mA cm(-2) in alkaline condition, respectively...
May 23, 2017: Small
https://www.readbyqxmd.com/read/28541776/enantioselective-apoptosis-and-oxidative-damage-induced-by-individual-isomers-of-profenofos-in-primary-hippocampal-neurons
#4
Xian T Lu, Yun Ma, Hang J Zhang, Mei Q Jin, Jun H Tang
The purpose of this study was to investigate the apoptosis-related cytotoxic effects and molecular mechanisms of individual isomers of profenofos (PFF) on primary hippocampal neurons at 1.0 to 20 mg L(-1). The cell viability and lactate dehydrogenase (LDH) efflux indicated that (-)-PFF exposure was associated with more toxic effects than (+)-PFF above the concentration of 5 mg L(-1) (P < 0.5). Flow cytometric results showed that the percentages of apoptotic cells incubated with 20 mg L(-1) (-)-PFF, (+)-PFF and rac-PFF for 24 h reached 23...
May 25, 2017: Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes
https://www.readbyqxmd.com/read/28539262/synthetic-anti-endotoxin-peptides-inhibit-cytoplasmic-lps-mediated-responses
#5
Anja Pfalzgraff, Lena Heinbockel, Qi Su, Klaus Brandenburg, Günther Weindl
Toll-like receptor (TLR) 4-independent recognition of lipopolysaccharide (LPS) in the cytosol by inflammatory caspases leads to non-canonical inflammasome activation and induction of IL-1 secretion and pyroptosis. The discovery of this novel mechanism has potential implications for the development of effective drugs to treat sepsis since LPS-mediated hyperactivation of caspases is critically involved in endotoxic shock. Previously, we demonstrated that Pep19-2.5, a synthetic anti-endotoxin peptide, efficiently neutralises pathogenicity factors of Gram-negative and Gram-positive bacteria and protects against sepsis in vivo...
May 21, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28538649/attenuation-of-hemorrhage-associated-lung-injury-by-adjuvant-treatment-with-c23-an-oligopeptide-derived-from-cold-inducible-rna-binding-protein-cirp
#6
Fangming Zhang, Weng-Lang Yang, Max Brenner, Ping Wang
BACKGROUND: Hemorrhagic shock (HS) is an important cause of mortality. HS is associated with an elevated incidence of acute lung injury (ALI) and acute respiratory distress syndrome (ARDS), significantly contributing to HS morbidity and mortality. Cold-inducible RNA-binding protein (CIRP) is released into the circulation during HS and can cause lung injury. C23 is a CIRP-derived oligopeptide that binds with high affinity to the CIRP receptor and inhibits CIRP-induced phagocyte secretion of TNF-α...
May 22, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28537033/oxidative-and-cellular-stress-as-bioindicators-for-metal-contamination-in-freshwater-mollusk-lamellidens-marginalis
#7
Neeraj Kumar, Kishore Kumar Krishnani, Narendra Pratap Singh
The concentrations of 14 metals, namely, chromium (Cr), manganese (Mn), cobalt (Co), nickel (Ni), copper (Cu), zinc (Zn), selenium (Se), arsenic (As), strontium (Sr), cadmium (Cd), tin (Sn), antimony (Sb), mercury, (Hg), and lead (Pb), have been studied in freshwater mollusk Lamellidens marginalis collected from Dhimbe reservoir. In addition, also studied the cellular and antioxidative status to assess metal contamination as pollution biomarkers. The levels of all the 14 metals were elevated in different sampling sites of Dhimbe reservoir...
May 24, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28536872/cytoprotective-propensity-of-green-tea-polyphenols-against-citrinin-induced-skeletal-myotube-damage-in-c2c12-cells
#8
G R Sharath Babu, N Ilaiyaraja, Farhath Khanum, T Anand
The mycotoxin citrinin, is produced by several species of Penicillium, Aspergillus and Monascus, and is capable of inducing cytotoxicity, oxidative stress and apoptosis. The aim of the present study was to investigate the effect of citrinin in mouse skeletal muscle cells (C2C12) and to overcome the cellular adverse effects by supplementing green tea extract (GTE) rich in polyphenols. C2C12 myoblasts were differentiated to myotubes and were exposed to citrinin in a dose dependent manner (0-100 µM) for 24 h and IC50 value was found to be 100 µM that resulted in decreased cell viability, increased LDH leakage and compromised membrane integrity...
May 23, 2017: Cytotechnology
https://www.readbyqxmd.com/read/28536495/serum-ldh-level-may-predict-outcome-of-chronic-lymphocytic-leukemia-patients-with-a-17p-deletion-a-retrospective-analysis-of-prognostic-factors-in-china
#9
Heng Li, Wenjie Xiong, Huimin Liu, Shuhua Yi, Zhen Yu, Wei Liu, Rui Lyu, Tingyu Wang, Dehui Zou, Zengjun Li, Lugui Qiu
OBJECTIVE: This study aims to evaluate the natural history of patients with chronic lymphocytic leukemia (CLL) and a 17p deletion (17p-) and identify the predictive factors within this subgroup. METHODS: The sample of patients with CLL were analyzed by fluorescencein situ hybridization for deletions in chromosome bands 11q22, 13q14 and 17p13; trisomy of bands 12q13; and translocation involving band 14q32. The data from 456 patients with or without a 17p- were retrospectively collected and analyzed...
April 2017: Chinese Journal of Cancer Research, Chung-kuo Yen Cheng Yen Chiu
https://www.readbyqxmd.com/read/28535465/altered-glycometabolism-in-zebrafish-exposed-to-thifluzamide
#10
Yang Yang, Wenxian Liu, Dongzhi Li, Le Qian, Bin Fu, Chengju Wang
Thifluzamide exerts toxic effects to zebrafish and causes liver mitochondrial damage. To better understand the further mechanism, adult zebrafish were exposed to a range of thifluzamide concentrations (0, 0.019, 0.19, and 1.90 mg/L) for 28 days. In response to 1.90 mg/L exposure, liver glycogen significantly increased and blood glucose decreased. The expression of genes related to glycometabolism showed corresponding changes. Genes related to mtDNA replication and transcription and genes participating in mitochondrial complexes showed altered expression, which might lead to the inhibition of the tricarboxylic acid cycle (TCA)...
May 10, 2017: Chemosphere
https://www.readbyqxmd.com/read/28534828/how-ketamine-affects-livers-of-pregnant-mice-and-developing-mice
#11
Hoi Man Cheung, Tony Chin Hung Chow, David Tai Wai Yew
It is well known that ketamine abuse can induce liver damage in adult addicts, but the effects of ketamine abuse in pregnant mothers on their offspring have received less attention. In this study, we investigated the effects of 5-day ketamine injections (30 mg/kg) to pregnant Institute for Cancer Research (ICR) mice during early gestation or mid-gestation on the aspartate aminotransferase (AST) and alkaline phosphatase (ALP) activities of the mothers and the offspring. We also looked into whether administering ketamine treatment to the mothers had any effects on the extent of fibrosis, cell proliferation and cell death in the livers of the newborns...
May 19, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28534609/au-promoted-nickel-iron-layered-double-hydroxide-nanoarrays-a-modular-catalyst-enabling-high-performance-oxygen-evolution
#12
Wenxin Zhu, Lizhi Liu, Zhihao Yue, Wentao Zhang, Xiaoyue Yue, Jing Wang, Shaoxuan Yu, Li Wang, Jianlong Wang
Oxygen evolution reaction (OER) has played a pivotal role in many energy conversion and storage technologies like water electrolysis, fuel cells, and metal-air batteries. However, the slow kinetics of OER limit the performance and commercialization of such devices. Herein, we report on NiFe LDH@Au hybrid nanoarrays on Ni foam for much enhanced OER. By hybridization of electronegative Au and NiFe LDH with intrinsic remarkable OER catalytic activity, this modular electrode could drive an overall ultrahigh-performance and robust OER in base with the demand of overpotentials of only 221, 235 and 270 mV to afford 50, 100 and 500 mA cm-2, respectively...
May 23, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28534073/surgical-treatment-of-intraforaminal-extraforaminal-lumbar-disc-herniations-many-approaches-for-few-surgical-routes
#13
REVIEW
Giorgio Lofrese, Lorenzo Mongardi, Francesco Cultrera, Giorgio Trapella, Pasquale De Bonis
BACKGROUND: Several disc disease nomenclatures and approaches for LDH exist. The traditional midline bone-destructive procedures together with approaches requiring extreme muscular retraction are being replaced by muscle sparing, targeted, stability-preserving surgical routes. The increasing speculation on LDHs and the innovative corridors described to treat them have lead to an extensive production of papers frequently treating the same topic but adopting different terminologies and reporting contradictory results...
May 22, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28533778/dnase1l3-regulates-inflammasome-dependent-cytokine-secretion
#14
Guilan Shi, Kennady N Abbott, Wenbo Wu, Russell D Salter, Peter A Keyel
Pediatric-onset systemic lupus erythematosus arises in humans and mice lacking the endonuclease Dnase1L3. When Dnase1L3 is absent, DNA from circulating apoptotic bodies is not cleared, leading to anti-DNA antibody production. Compared to early anti-DNA and anti-chromatin responses, other autoantibody responses and general immune activation in Dnase1L3(-/-) mice are greatly delayed. We investigated the possibility that immune activation, specifically inflammasome activation, is regulated by Dnase1L3. Here, we report that Dnase1L3 inhibition blocked both NLR family, pyrin domain containing 3 (NLRP3) and NLRC4 inflammasome-mediated release of high-mobility group box 1 protein and IL-1β...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28532000/sorption-of-iodide-i-from-aqueous-solution-using-mg-al-layered-double-hydroxides
#15
Frederick L Theiss, Godwin A Ayoko, Ray L Frost
In this article, the authors report the adsorption of iodide by Mg/Al LDHs and thermally activated LDH materials in laboratory scale batch experiments. The optimal Mg/Al cation ratio was 3:1while the percentage iodide uptake increased with increasing adsorbent dose up to 1g/20mL of solution. The effect of initial iodide concentration was investigated using the Langmuir and Freundlich adsorption isotherm models, while the pseudo second order kinetic model appeared to provide the best fit for the experimental data...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28531655/competitive-adsorption-behavior-toward-metal-ions-on-nano-fe-mg-ni-ternary-layered-double-hydroxide-proved-by-xps-evidence-of-selective-and-sensitive-detection-of-pb-ii
#16
Shan-Shan Li, Min Jiang, Tian-Jia Jiang, Jin-Huai Liu, Zheng Guo, Xing-Jiu Huang
Hypersensitive and highly selective nanomaterials for the measurement of heavy metal ions (HMIs) hold a key to electro-analysis. Various works improved the results of analysis but without scientific understanding. Herein, Fe/Mg/Ni-layered double hydroxide (LDH) has been successfully prepared and its electrochemical behavior for Pb(II) detection is also studied using square wave anodic stripping voltammetry (SWASV). The well performance of electrochemistry suggest that the modification with Fe/Mg/Ni-LDH significantly promotes the selectivity and sensitivity toward Pb(II)...
May 11, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28529616/lymphocyte-monocyte-ratio-is-a-novel-predictor-for-early-stage-extranodal-natural-killer-t-cell-lymphoma-nasal-type
#17
Qiao-Xuan Wang, Shao-Hua Li, Bao-Yan Ji, Han-Yu Wang, Yi-Yang Li, Ling-Ling Feng, Kai Chen, Yun-Fei Xia, Yu-Jing Zhang
Objective: Great heterogeneity exists in clinical behavior and survival outcome in patients with stage IE/IIE extranodal natural killer/T-cell lymphoma, nasal type (ENKTL). In this study, we proposed lymphocyte/monocyte ratio (LMR) as a new prognostic factor for these early stage ENKTL. Methods: We retrospectively examined the LMR as a prognostic variable in a cohort of 379 patients with newly diagnosed stage IE/IIE ENKTL. The relationship between the LMR and clinicopathologic variables were analyzed in Kaplan-Meier log-rank survival analysis, and the Cox proportional hazards model was used to determine the survival significance of the LMR for both progression-free survival (PFS) and overall survival (OS)...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28528862/crocetin-restores-diabetic-endothelial-progenitor-cell-dysfunction-by-enhancing-no-bioavailability-via-regulation-of-pi3k-akt-enos-and-ros-pathways
#18
Wei Cao, Jinjin Cui, Shufeng Li, Donghui Zhang, Yibo Guo, Qiannan Li, Ying Luan, Xian Liu
AIMS: Endothelial progenitor cell (EPC) dysfunction underlies a critical risk factor in diabetic vascular complications due to function defect in restoring endothelium injury. Crocetin has attracted increasing attention in several vascular-related diseases. In present study, we aimed to explore the role of crocetin in diabetic EPC dysfunction. MAIN METHODS: EPCs were isolated from bone marrow in diabetic mice and identified using the fluorescence staining and flow cytometry...
May 18, 2017: Life Sciences
https://www.readbyqxmd.com/read/28528741/in-vitro-immune-toxicity-of-ochratoxin-a-in-porcine-alveolar-macrophages-a-role-for-the-ros-relative-tlr4-myd88-signaling-pathway
#19
Haibin Xu, Shu Hao, Fang Gan, Hong Wang, Jing Xu, Dandan Liu, Kehe Huang
Ochratoxin A (OTA) frequently contaminates a wide variety of food and feeds, inducing immune toxicity of animals. However, the underlying mechanism remains unclear. In the present study, porcine alveolar macrophages (PAMs) cell line 3D4/21 were chosen as a model, and treated by various concentrations of OTA. The results showed that OTA induced immune toxicity of PAMs in a dose-dependent manner, as demonstrated by cell viability, LDH release, Annexin V/PI staining, Bcl-2/Bax mRNA ratio, and pro-inflammatory cytokines expression...
May 18, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28528318/metabolic-profiling-of-goldfish-carassius-auratis-after-long-term-glyphosate-based-herbicide-exposure
#20
Ming-Hui Li, Ling-Yu Ruan, Jin-Wei Zhou, Yong-Hong Fu, Lei Jiang, He Zhao, Jun-Song Wang
Glyphosate is an efficient herbicide widely used worldwide. However, its toxicity to non-targeted organisms has not been fully elucidated. In this study, the toxicity of glyphosate-based herbicide was evaluated on goldfish (Carassius auratus) after long-term exposure. Tissues of brains, kidneys and livers were collected and submitted to NMR-based metabolomics analysis and histopathological inspection. Plasma was collected and the blood biochemical indexes of AST, ALT, BUN, CRE, LDH, SOD, GSH-Px, GR and MDA were measured...
May 13, 2017: Aquatic Toxicology
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