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https://www.readbyqxmd.com/read/28930913/the-effect-of-lactoferrin-and-pepsin-treated-lactoferrin-on-iec-6-cell-damage-induced-by-clostridium-difficile-toxin-b
#1
Kosuke Otake, Norio Sato, Ayako Kitaguchi, Takayuki Irahara, Satoru Murata, Keiichiro Shiraga, Yuichi Ogawa, Takahiro K Fujiwara, Kaoru Koike, Hiroyuki Yokota
Clostridium difficile infections (CDI) have recently increased worldwide. Some CDI progress to fulminant and recurrent CDI and are associated with high mortality and morbidity. CD produces toxins A and B, which cause intestinal mucosal damage, although toxin B exhibits greater cytotoxicity. Pepsin-treated lactoferrin (PLF) is the decomposed product of lactoferrin (LF), a multifunctional glycoprotein with anti-inflammatory properties. Here, we investigate the effects of LF and PLF in toxin B-stimulated rat intestinal epithelial (IEC-6) cells...
September 19, 2017: Shock
https://www.readbyqxmd.com/read/28929741/visible-light-neural-stimulation-on-graphitic-carbon-nitride-graphene-photocatalytic-fibers
#2
Zhongyang Zhang, Ruodan Xu, Zegao Wang, Mingdong Dong, Bianxiao Cui, Menglin Chen
Light stimulation allows remote and spatiotemporally accurate operation that has been applied as effective, non-invasive means of therapeutic interventions. Here, visible light neural stimulation of graphitic carbon nitride (g-C3N4), an emerging photocatalyst with visible-light optoelectronic conversion, was for the first time investigated. Specifically, g-C3N4 was combined with graphene oxide (GO) in a 3D manner on the surfaces of electrospun polycaprolactone/gelatin (PG) fibers and functioned as a biocompatible interface for visible-light stimulating neuronal differentiation...
September 20, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28928789/the-long-term-course-of-outcomes-for-lumbar-intervertebral-disc-herniation-following-integrated-complementary-and-alternative-medicine-inpatient-treatment-a-prospective-observational-study
#3
Moon-Hwi Kim, Yoon Jae Lee, Joon-Shik Shin, Jinho Lee, Haechan Jeong, Me-Riong Kim, Sam-Min Park, Ung Go, Sung-Moon Kim, Jae-Yeong Kim, Dong-Gyu Hwang, In-Hyuk Ha
A prospective observational study was conducted in 524 lumbar intervertebral disc herniation (LDH) inpatients to report the long-term effects of complementary and alternative medicine (CAM) treatment. Participants received integrative CAM treatment during hospitalization, from June 2012 to May 2013, and long-term outcomes were assessed from July to August 2016. Numerical rating scales (NRSs) of back and leg pain, the Oswestry disability index (ODI), satisfaction, surgery, recurrence, and current care status were investigated...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28928081/microrna-140-5p-attenuated-oxidative-stress-in-cisplatin-induced-acute-kidney-injury-by-activating-nrf2-are-pathway-through-a-keap1-independent-mechanism
#4
Weitang Liao, Zongjie Fu, Yanfang Zou, Dan Wen, Hongkun Ma, Fangfang Zhou, Yongxi Chen, Mingjun Zhang, Wen Zhang
Oxidative stress was predominantly involved in the pathogenesis of acute kidney injury (AKI). Recent studies had reported the protective role of specific microRNAs (miRNAs) against oxidative stress. Hence, we investigated the levels of miR140-5p and its functional role in the pathogenesis of Cisplatin induced AKI. A mice Cisplatin induced-AKI model was established. We found that miR-140-5p expression was markedly increased in mice kidney. Bioinformatics analysis revealed nuclear factor erythroid 2-related factor (Nrf2) was a potential target of miR-140-5p, We demonstrated that miR-140-5p did not affect Kelch-like ECH-associated protein 1 (Keap1) levels but directly targeted the 3'-UTR of Nrf2 mRNA and played a positive role in the regulation of Nrf2 expression which was comfirmed by luciferase activity assay and western blot...
September 16, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28926680/formic-acid-as-a-secondary-substrate-for-succinic-acid-production-by-metabolically-engineered-mannheimia-succiniciproducens
#5
Jung Ho Ahn, Junho Bang, Won Jun Kim, Sang Yup Lee
There has been much effort exerted to reduce one carbon (C1) gas emission to address climate change. As one promising way to more conveniently utilize C1 gas, several technologies have been developed to convert C1 gas into useful chemicals such as formic acid (FA). In this study, systems metabolic engineering was utilized to engineer Mannheimia succiniciproducens to efficiently utilize FA. (13) C isotope analysis of M. succiniciproducens showed that FA could be utilized through formate dehydrogenase (FDH) reaction and/or the reverse reaction of pyruvate formate lyase (PFL)...
September 19, 2017: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/28926529/first-line-folfiri-and-bevacizumab-in-patients-with-advanced-colorectal-cancer-prospectively-stratified-according-to-serum-ldh-final-results-of-the-giscad-italian-group-for-the-study-of-digestive-tract-cancers-central-colorectalavastintrialldh-trial
#6
Riccardo Giampieri, Marco Puzzoni, Bruno Daniele, Daris Ferrari, Sara Lonardi, Alberto Zaniboni, Luigi Cavanna, Gerardo Rosati, Nicoletta Pella, Maria Giulia Zampino, Pietro Sozzi, Domenico Germano, Vittorina Zagonel, Carla Codecà, Michela Libertini, Roberto Labianca, Stefano Cascinu, Mario Scartozzi
BACKGROUND: Previous findings suggested that bevacizumab might be able to improve response rate (RR) in colorectal cancer patients with high lactic dehydrogenase (LDH) basal levels. METHODS: We conducted a phase II trial to prospectively ascertain whether bevacizumab in combination with FOLFIRI could have an improved clinical activity in patients with high LDH serum levels. Primary end point of the study was RR; secondary end points were median overall survival and median progression-free survival (mPFS)...
September 19, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28926166/continuous-production-of-ursodeoxycholic-acid-using-two-cascade-reactors-with-coimmobilized-enzymes
#7
Ming-Min Zheng, Fei-Fei Chen, Hao Li, Chun-Xiu Li, Jian-He Xu
Ursodeoxycholic acid (UDCA) is an effective drug for the treatment of hepatitis. In this study, 7α-hydroxysteroid dehydrogenase (7α-HSDH) and lactate dehydrogenase (LDH), as well as 7β-HSDH and glucose dehydrogenase (GDH), were co-immobilized onto an epoxy-functionalized resin (ES-103) for catalyzing the synthesis of UDCA from chenodeoxycholic acid (CDCA). Through optimizing the immobilization pH, time and the loading ratio of enzymes to resin, the specific activities of immobilized LDH-7αHSDH@ES-103 and 7βHSDH-GDH@ES-103 were 43...
September 19, 2017: Chembiochem: a European Journal of Chemical Biology
https://www.readbyqxmd.com/read/28924697/chiropractic-spinal-manipulation-and-the-risk-for-acute-lumbar-disc-herniation-a-belief-elicitation-study
#8
Cesar A Hincapié, J David Cassidy, Pierre Côté, Y Raja Rampersaud, Alejandro R Jadad, George A Tomlinson
PURPOSE: Chiropractic spinal manipulation treatment (SMT) is common for back pain and has been reported to increase the risk for lumbar disc herniation (LDH), but there is no high quality evidence about this. In the absence of good evidence, clinicians can have knowledge and beliefs about the risk. Our purpose was to determine clinicians' beliefs regarding the risk for acute LDH associated with chiropractic SMT. METHODS: Using a belief elicitation design, 47 clinicians (16 chiropractors, 15 family physicians and 16 spine surgeons) that treat patients with back pain from primary and tertiary care practices were interviewed...
September 18, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28923873/an-anti-persister-strategy-for-the-treatment-of-chronic-pseudomonas-aeruginosa-infections
#9
Martina Koeva, Alina D Gutu, Wesley Hebert, Jeffrey D Wager, Lael M Yonker, George A O'Toole, Frederick M Ausubel, Samuel M Moskowitz, Diane Joseph-McCarthy
Bacterial persisters are a quasi-dormant sub-population of cells that are tolerant to antibiotic treatment. The combination of the aminoglycoside tobramycin with fumarate as an antibacterial potentiator utilizes an anti-persister strategy that is aimed at reducing recurrent Pseudomonas aeruginosa infections by enhancing the killing of P. aeruginosa persisters. Stationary phase cultures of P. aeruginosa were used to generate persister cells. A range of tobramycin concentrations was tested with a range of metabolite concentrations to determine the potentiation effect of the metabolite under a variety of conditions, including a range of pH values and in the presence of azithromycin or cystic fibrosis (CF) patient sputum...
September 18, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28923649/hypothermic-machine-perfusion-s-protection-on-porcine-kidney-graft-uncovers-greater-akt-erk-phosphorylation
#10
N He, J-H Li, J-J Jia, K-D Xu, Y-F Zhou, L Jiang, H-H Lu, S-Y Yin, H-Y Xie, L Zhou, S-S Zheng
BACKGROUND: To investigate the potential mechanisms of hypothermic machine perfusion (HMP)'s beneficial effects on kidney graft over static cold storage (SCS) in vitro. METHODS: Ten kidneys of 5 Bama miniature male pigs were paired into 2 groups: SCS group and HMP group. Preservation solutions were taken at 0, 1, 3, and 6 hours for the measurement of K(+), Na(+), Cl(-), blood urea nitrogen (BUN), creatinine (Cr), and lactate dehydrogenase (LDH) using the standard laboratory methods...
October 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28923539/efficient-vegf-targeting-delivery-of-dox-using-bevacizumab-conjugated-sio2-ldh-for-anti-neuroblastoma-therapy
#11
Rongrong Zhu, Zhaoqi Wang, Peng Liang, Xiaolie He, Xizhen Zhuang, Ruiqi Huang, Mei Wang, Qigang Wang, Yechang Qian, Shilong Wang
Vascular endothelial growth factor (VEGF) plays an important role in angiogenesis and is highly expressed in carcinoma, which make it an important target for tumor targeting therapy. Neuroblastoma is the main cause for cancer-related death in children. Like most solid tumors, it is also accompanied with the overexpression of VEGF. Doxorubicin Hydrochloride (DOX), a typical chemotherapeutic agent, exhibits efficient anticancer activities for various cancers. However, DOX, without targeting ability, usually causes severe damage to normal tissues...
September 15, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28923120/high-dose-interleukin-2-hd-il-2-for-advanced-melanoma-a-single-center-experience-from-the-university-of-pittsburgh-cancer-institute
#12
Diwakar Davar, Fei Ding, Melissa Saul, Cindy Sander, Ahmad A Tarhini, John M Kirkwood, Hussein A Tawbi
BACKGROUND: Durable remissions are observed in a fraction of metastatic melanoma patients treated with high-dose interleukin-2 (HD IL-2). Early studies reported overall (OR) and complete response (CR) rates of 16% and 8% respectively. Toxicity limited use to specialized centers with standardized protocols. We report on 243 patients treated at the University of Pittsburgh in a non-intensive care unit (ICU) oncology specialty setting. METHODS: Clinical and radiological data were collected on 243 patients treated between 1992 and 2015...
September 19, 2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28923112/cobalt-nanoparticles-induce-lung-injury-dna-damage-and-mutations-in-mice
#13
Rong Wan, Yiqun Mo, Zhenyu Zhang, Mizu Jiang, Shichuan Tang, Qunwei Zhang
BACKGROUND: We and other groups have demonstrated that exposure to cobalt nanoparticles (Nano-Co) caused oxidative stress and inflammation, which have been shown to be strongly associated with genotoxic and carcinogenic effects. However, few studies have reported Nano-Co-induced genotoxic effects in vivo. Here, we propose that Nano-Co may have high genotoxic effects due to their small size and high surface area, which have high capacity for causing oxidative stress and inflammation. METHODS: gpt delta transgenic mice were used as our in vivo study model...
September 18, 2017: Particle and Fibre Toxicology
https://www.readbyqxmd.com/read/28921162/a-bionanohybrid-znal-nads-ecological-pesticide-as-a-treatment-for-soft-rot-disease-in-potato-solanum-tuberosum-l
#14
Erika Elizabeth Morales-Irigoyen, Yolanda de Las Mercedes Gómez-Y-Gómez, Jorge Luis Flores-Moreno, Marina Olivia Franco-Hernández
Pectobacterium carotovorum (Pc) is a phytopathogenic strain that causes soft rot disease in potato (Solanum tuberosum L.), resulting in postharvest losses. Chemical control is effective for managing this disease, but overdoses cause adverse effects. Because farmers insist on using chemical agents for crop protection, it is necessary to develop more effective pesticides in which the active compound released can be regulated. In this context, we proposed the synthesis of ZnAl-NADS, in which nalidixic acid sodium salt (NADS) is linked to a ZnAl-NO3 layered double hydroxide (LDH) host as a nanocarrier...
September 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28921051/fine-particle-matters-induce-dna-damage-and-g2-m-cell-cycle-arrest-in-human-bronchial-epithelial-beas-2b-cells
#15
Jing Wu, Yanfeng Shi, Collins Otieno Asweto, Lin Feng, Xiaozhe Yang, Yannan Zhang, Hejing Hu, Junchao Duan, Zhiwei Sun
There is compelling evidence that exposure to particulate matter (PM) is linked to lung tumorigenesis. However, there is not enough experimental evidence to support the specific mechanisms of PM2.5-induced DNA damage and cell cycle arrest in lung tumorigenesis. In this study, we investigated the toxic effects and molecular mechanisms of PM2.5 on bronchial epithelial (BEAS-2B) cells. PM2.5 exposure reduced cell viability and enhanced LDH activity. The cell growth curves of BEAS-2B cells decreased gradually with the increase in PM2...
September 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28920984/tailoring-the-morphology-followed-by-the-electrochemical-performance-of-nimn-ldh-nanosheet-arrays-through-controlled-co-doping-for-high-energy-and-power-asymmetric-supercapacitors
#16
Saurabh Singh, Nanasaheb M Shinde, Qi Xun Xia, Chandu V V M Gopi, Je Moon Yun, Rajaram S Mane, Kwang Ho Kim
Herein, we tailor the surface morphology of nickel-manganese-layered double hydroxide (NiMn-LDH) nanostructures on 3D nickel-foam via a step-wise cobalt (Co)-doping hydrothermal chemical process. At the 10% optimum level of Co-doping, we noticed a thriving tuned morphological pattern of NiMn-LDH nanostructures (NiCoMn-LDH (10%)) in terms of the porosity of the nanosheet (NS) arrays which not only improves the rate capability as well as cycling stability, but also demonstrates nearly two-fold specific capacitance enhancement compared to Co-free and other NiCoMn-LDH electrodes with a half-cell configuration in 3 M KOH, suggesting that Co-doping is indispensable for improving the electrochemical performance of NiMn-LDH electrodes...
September 18, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28920632/acute-cardiotoxicity-induced-by-doxorubicin-in-right-ventricle-is-associated-with-increase-of-oxidative-stress-and-apoptosis-in-rats
#17
N Anghel, H Herman, C Balta, M Rosu, M S Stan, D Nita, A Ivan, Z Galajda, A Ardelean, A Dinischiotu, A Hermenean
Doxorubicin (DOX) is one of the most effective chemotherapeutic agents, but its efficiency is seriously limited by the risk of developing cardiomyopathy. The most recognized cardiotoxic effect is left ventricular (LF) dysfunction, but MRI and echocardiography data demonstrated significant right ventricle (RV) function impairment. In order to clarify this aspect, the present study investigated the potential of DOX to induce acute RV cardiotoxicity at the same time as LV impairment. Rats were intraperitoneally (i...
September 18, 2017: Histology and Histopathology
https://www.readbyqxmd.com/read/28920462/involvement-of-atrial-natriuretic-peptide-in-abrogated-cardioprotective-effect-of-ischemic-preconditioning-in-ovariectomized-rat-heart
#18
V K Vishwakarma, A Goyal, J K Gupta, P K Upadhyay, H N Yadav
BACKGROUND: Nitric oxide (NO) is an effective mediator of ischemic preconditioning (IPC)-induced cardioprotection. Atrial natriuretic peptide (ANP) is downregulated after ovariectomy, which results in reduction in the level of NO. The present study deals with the investigation of the role of ANP in abrogated cardioprotective effect of IPC in the ovariectomized rat heart. METHODS: Heart was isolated from ovariectomized rat and mounted on Langendorff's apparatus, subjected to 30 min of ischemia and 120 min of reperfusion...
January 1, 2017: Human & Experimental Toxicology
https://www.readbyqxmd.com/read/28919753/combination-of-graphene-oxide-silver-nanoparticle-nanocomposites-and-cisplatin-enhances-apoptosis-and-autophagy-in-human-cervical-cancer-cells
#19
Yu-Guo Yuan, Sangiliyandi Gurunathan
BACKGROUND: Cisplatin (Cis) is a widely used chemotherapeutic drug for treating a variety of cancers, due to its ability to induce cell death in cancer cells significantly. Recently, graphene and its modified nanocomposites have gained much interest in cancer therapy, due to their unique physicochemical properties. The objective of this study was to investigate the combination effect of Cis and a reduced graphene oxide-silver nanoparticle nanocomposite (rGO-AgNPs) in human cervical cancer (HeLa) cells...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28918749/effect-of-low-temperature-on-globin-expression-respiratory-metabolic-enzyme-activities-and-gill-structure-of-litopenaeus-vannamei
#20
Meng Wu, Nan Chen, Chun-Xiao Huang, Yan He, Yong-Zhen Zhao, Xiao-Han Chen, Xiu-Li Chen, Huan-Ling Wang
Low temperature frequently influences growth, development, and even survival of aquatic animals. In the present study, physiological and molecular responses to low temperature in Litopenaeus vannamei were investigated. The cDNA sequences of two oxygen-carrying proteins, cytoglobin (Cygb) and neuroglobin (Ngb), were isolated. Protein structure analysis revealed that both proteins share a globin superfamily domain. Real-time PCR analysis indicated that Cygb and Ngb mRNA levels gradually increased during decrease in temperatures from 25 to 15°C and then decreased at 10°C in muscle, brain, stomach, and heart, except for a continuing increase in gills, whereas they showed a different expression trend in the hepatopancreas...
July 2017: Biochemistry. Biokhimii︠a︡
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