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https://www.readbyqxmd.com/read/29224017/the-il-2-anti-il-2-complex-attenuates-cardiac-ischaemia-reperfusion-injury-through-expansion-of-regulatory-t-cells
#1
Junhui Xiao, Kunwu Yu, Ming Li, Chuanyin Xiong, Yuzhen Wei, Qiutang Zeng
BACKGROUND/AIMS: Regulatory T cells (Tregs) can suppress immunologic damage in myocardial ischaemia/reperfusion injury (MIRI), however, the isolation and ex vivo expansion of these cells for clinical application remains challenging. Here, we investigated whether the IL-2/anti-IL-2 complex (IL-2C), a mediator of Treg expansion, can attenuate MIRI in mice. METHODS: Myocardial I/R was surgically induced in male C57BL/6 mice, aged 8-10 weeks, that were randomly assigned to 1) sham group (Sham), 2) Phosphate Buffered Saline (PBS), 3) IL-2-anti-IL-2 Ab complex (IL-2C), or 4) sham group, 5) PBS, 6) IL-2C after MIRI, or 7) IL-2C, 8) IL-2C+anti-CD25 mAbs, or 9) IL-2C; 10) IL-2C+anti-TGF-β1 mAbs, 11) IL-2C+anti-IL-10 mAbs...
December 7, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29224009/itraq-based-proteomics-analysis-of-acute-lung-injury-induced-by-oleic-acid-in-mice
#2
Xiaotao Xu, Qingwei Zhu, Rong Zhang, Yan Wang, Fangfang Niu, Wenying Wang, Dawei Sun, Aizhong Wang
BACKGROUND/AIMS: This study was conducted to investigate the relationship between differentially expressed proteins (DEPs) and the pathogenesis of oleic acid (OA)-induced acute lung injury (ALI) in mice. METHODS: Eight-week-old male C57BL/6 mice were injected with OA through the tail vein and sacrificed 6 hours after OA administration to identify protein expression levels in lung tissue using isobaric tags for relative and absolute quantification (iTRAQ) technology...
December 8, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29223865/prevention-of-ischemia-induced-hearing-loss-by-intravenous-administration-of-hydrogen-rich-saline-in-gerbil
#3
Hideo Ogawa, Masahiro Okada, Masachika Shudou, Kiyofumi Gyo, Naohito Hatoa
OBJECTIVE: Hydrogen-rich water, which is a potent antioxidant agent, was investigated for its protective effects against ischemic damage of the cochlea in gerbils. METHODS: The animals were subjected to transient cochlear ischemia by occluding the bilateral vertebral arteries for l5minutes. Five milliliters of hydrogen-rich saline was then intravenously administered immediately after the insult. Saline without hydrogen was used as a control. Effects of hydrogen were evaluated using the auditory brainstem response (ABR) and histological studies of the inner ear...
December 6, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/29223850/genome-wide-analysis-of-carotenoid-cleavage-oxygenase-genes-and-their-responses-to-various-phytohormones-and-abiotic-stresses-in-apple-malus-domestica
#4
Hongfei Chen, Xiya Zuo, Hongxia Shao, Sheng Fan, Juanjuan Ma, Dong Zhang, Caiping Zhao, Xiangyan Yan, Xiaojie Liu, Mingyu Han
Carotenoid cleavage oxygenases (CCOs) are able to cleave carotenoids to produce apocarotenoids and their derivatives, which are important for plant growth and development. In this study, 21 apple CCO genes were identified and divided into six groups based on their phylogenetic relationships. We further characterized the apple CCO genes in terms of chromosomal distribution, structure and the presence of cis-elements in the promoter. We also predicted the cellular localization of the encoded proteins. An analysis of the synteny within the apple genome revealed that tandem, segmental, and whole-genome duplication events likely contributed to the expansion of the apple carotenoid oxygenase gene family...
December 5, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/29223722/the-effectiveness-of-intravenous-parecoxib-on-the-incidence-of-ipsilateral-shoulder-pain-after-thoracotomy-a-randomized-double-blind-placebo-controlled-trial
#5
Tanyong Pipanmekaporn, Yodying Punjasawadwong, Somrat Charuluxananan, Worawut Lapisatepun, Pavena Bunburaphong, Settapong Boonsri, Apichat Tantraworasin, Nutchanart Bunchungmongkol
OBJECTIVES: To determine the incidence of ipsilateral shoulder pain (ISP) with the therapeutic use of parecoxib compared with a placebo after thoracotomy. DESIGN: A prospective, randomized, double-blind, placebo-controlled trial. SETTING: A tertiary-care university hospital. PARTICIPANTS: Adult patients undergoing an elective thoracotomy between June 2011 and February 2015. INTERVENTIONS: Patients were allocated randomly into the parecoxib group (n = 80) and the control group (n = 80)...
June 1, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29223611/individuals-exhibit-consistent-differences-in-their-metabolic-rates-across-changing-thermal-conditions
#6
Sonya K Auer, Karine Salin, Graeme J Anderson, Neil B Metcalfe
Metabolic rate has been linked to growth, reproduction, and survival at the individual level and is thought to have far reaching consequences for the ecology and evolution of organisms. However, differences in metabolic rate among individuals must be consistent (i.e. repeatable) over at least some portion of their lifetime in order to predict their longer-term effects on population dynamics and how they will respond to selection. Previous studies demonstrate that metabolic rates are repeatable under constant conditions but potentially less so in more variable environments...
December 6, 2017: Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology
https://www.readbyqxmd.com/read/29223327/restoration-of-motor-function-after-operative-reconstruction-of-the-acutely-transected-spinal-cord-in-the-canine-model
#7
Zehan Liu, Shuai Ren, Kuang Fu, Qiong Wu, Jun Wu, Liting Hou, Hong Pan, Linlin Sun, Jian Zhang, Bingjian Wang, Qing Miao, Guiyin Sun, Vincenzo Bonicalzi, Sergio Canavero, Xiaoping Ren
BACKGROUND: Cephalosomatic anastomosis or what has been called a "head transplantation" requires full reconnection of the respective transected ends of the spinal cords. The GEMINI spinal cord fusion protocol has been developed for this reason. Here, we report the first randomized, controlled study of the GEMINI protocol in large animals. METHODS: We conducted a randomized, controlled study of a complete transection of the spinal cord at the level of T10 in dogs at Harbin Medical University, Harbin, China...
December 6, 2017: Surgery
https://www.readbyqxmd.com/read/29223120/de-icing-salt-contamination-reduces-urban-tree-performance-in-structural-soil-cells
#8
Camilo Ordóñez-Barona, Vadim Sabetski, Andrew A Millward, James Steenberg
Salts used for de-icing roads and sidewalks in northern climates can have a significant impact on water quality and vegetation. Sub-surface engineering systems, such as structural soil cells, can regulate water runoff and pollutants, and provide the necessary soil volume and irrigation to grow trees. However, the ability of such systems to manage de-icing salt contamination, and the impact of this contamination on the trees growing in them, have not been evaluated. We report on an field investigation of de-icing salt contamination in structural cells in two street-revitalization projects in Toronto, Canada, and the impact of this contamination on tree performance...
December 6, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/29222794/active-induction-of-experimental-autoimmune-encephalomyelitis-in-c57bl-6-mice
#9
Gabriella Contarini, Pietro Giusti, Stephen D Skaper
The protocol in this chapter presents a method to actively induce experimental autoimmune encephalomyelitis (EAE), one of the most widely used animal models to study efficacy of potential drugs for treatment of multiple sclerosis. Multiple sclerosis is an inflammatory, demyelinating disease of the central nervous system and the most common cause of chronic neurological impairment in young people. In this model EAE is induced in female C57BL/6 mice by immunization with an emulsion of myelin oligodendrocyte glycoprotein (fragment 35-55) in complete Freund's adjuvant, followed by administration of pertussis toxin in phosphate-buffered saline...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29221710/acanthamoeba-keratitis-in-patients-wearing-scleral-contact-lenses
#10
Matheus Porto Sticca, Linda C Carrijo-Carvalho, Isa M B Silva, Luiz A Vieira, Luciene B Souza, Rubens Belfort Junior, Fábio Ramos S Carvalho, Denise Freitas
PURPOSE: To report a series of cases of Acanthamoeba keratitis (AK) in scleral lens wearers with keratoconus to determine whether this type of contact lens presents a greater risk for development of infection. METHODS: This study reports three patients who wore scleral contact lenses to correct keratoconus and developed AK. The diagnoses of AK were established based on cultures of the cornea, scleral contact lenses, and contact lens paraphernalia. This study investigated the risk factors for infections...
December 5, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/29221615/is-exposure-to-aluminium-adjuvants-associated-with-social-impairments-in-mice-a-pilot-study
#11
Sneha K S Sheth, Yongling Li, Christopher A Shaw
BACKGROUND: Our group has shown that significant correlations exist between rates of Autism Spectrum Disorder (ASD) and total aluminum adjuvants given to children through vaccines in several Western countries. These correlations satisfied eight out of nine Hill criteria for causality. Experimental studies have demonstrated a range of behavioural abnormalities in young mice after postnatal exposure to aluminium. To build on our previous work, the current study will investigate the effect of aluminium adjuvants on social behaviour in mice...
November 21, 2017: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/29221440/effect-of-flecainide-on-atrial-fibrillatory-rate-in-a-large-animal-model-with-induced-atrial-fibrillation
#12
Eva Z Hesselkilde, Helena Carstensen, Maria M Haugaard, Jonas Carlson, Steen Pehrson, Thomas Jespersen, Rikke Buhl, Pyotr G Platonov
BACKGROUND: Atrial fibrillatory cycle length has been considered one of the indices of atrial electrical remodelling during atrial fibrillation (AF), which can be assessed from surface ECG by computer-assisted calculation of atrial fibrillatory rate (AFR). Horses have been suggested as a bona fide model for AF studies since horses too, develop lone AF, however data on AF characteristics in horses are extremely sparse and non-invasive characterization of AF complexity using surface ECG processing has not been reported...
December 8, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/29220809/biodegradation-and-detoxification-of-direct-black-g-textile-dye-by-a-newly-isolated-thermophilic-microflora
#13
Yan Chen, Linlin Feng, Hanguang Li, Yuanxiu Wang, Guotao Chen, Qinghua Zhang
The biodegradation and detoxification of azo dye - Direct Black G (DBG) with a newly isolated thermophilic microflora was investigated in the present study. It was found this microflora can decolorize DBG at a wide range of pH from 5 to 10, and grow well under high concentration of dye (600 mg·L-1) and salinity (50 g·L-1). Its decolorization ratio could reach 97% with 8 h of incubation at optimal conditions. The induction of laccase, manganese peroxidase, lignin peroxidase and azoreductase suggests their synergetic involvements in the degradation process of DBG...
November 29, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/29220745/identification-and-characterization-of-six-peroxiredoxin-transcripts-from-mud-crab-scylla-paramamosain-the-first-evidence-of-peroxiredoxin-gene-family-in-crustacean-and-their-expression-profiles-under-biotic-and-abiotic-stresses
#14
Dan-Dan Tu, Yi-Lian Zhou, Wen-Bin Gu, Qi-Hui Zhu, Bin-Peng Xu, Zhong-Kai Zhou, Ze-Peng Liu, Cong Wang, Yu-Yin Chen, Miao-An Shu
The peroxiredoxins (Prxs) define a novel and evolutionarily conserved superfamily of peroxidases able to protect cells from oxidative damage by catalyzing the reduction of a wide range of cellular peroxides. Prxs have been identified in prokaryotes as well as in eukaryotes, however, the composition and number of Prxs family members vary in different species. In this study, six Prxs were firstly identified from the mud crab Scylla paramamosain by RT-PCR and RACE methods. Six SpPrxs can be subdivided into three classes: (a) three typical 2-Cys enzymes denominated as Prx1/2, 3, 4, (b) two atypical 2-Cys enzymes known as Prx5-1 and Prx5-2, and (c) a 1-Cys isoform named Prx6...
December 4, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/29220597/dietary-nacl-affects-bleomycin-induced-lung-fibrosis-in-mice
#15
Wensheng Chen, Darrell Pilling, Richard H Gomer
PURPOSE: High levels of NaCl in the diet are associated with both cardiac and renal fibrosis, but whether salt intake affects pulmonary fibrosis has not been examined. AIM OF THE STUDY: To test the hypothesis that salt intake might affect pulmonary fibrosis. MATERIALS AND METHODS: Mice were fed low, normal, or high salt diets for 2 weeks, and then treated with oropharyngeal bleomycin to induce pulmonary fibrosis, or oropharyngeal saline as a control...
December 8, 2017: Experimental Lung Research
https://www.readbyqxmd.com/read/29220410/cleavage-of-osmosensitive-transcriptional-factor-nfat5-by-coxsackieviral-protease-2a-promotes-viral-replication
#16
Ye Qiu, Xin Ye, Huifang Mary Zhang, Paul Hanson, Guangze Zhao, Lei Tong, Ronald Xie, Decheng Yang
Nuclear factor of activated T cells 5 (NFAT5)/Tonicity enhancer binding protein (TonEBP) is a transcription factor induced by hypertonic stress in the kidney. However, the function of NFAT5 in other organs has rarely been studied, even though it is ubiquitously expressed. Indeed, although NFAT5 was reported to be critical for heart development and function, its role in infectious heart diseases has remained obscure. In this study, we aimed to understand the mechanism by which NFAT5 interferes with infection of Coxsackievirus B3 (CVB3), a major cause of viral myocarditis...
December 8, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/29220080/high-salinity-impacts-germination-of-the-halophyte-cakile-maritima-but-primes-seeds-for-rapid-germination-upon-stress-release
#17
Ahmed Debez, Ikram Belghith, Andreas Pich, Wael Taamalli, Chedly Abdelly, Hans-Peter Braun
Seed germination recovery aptitude is an adaptive trait of overriding significance for the successful establishment and dispersal of extremophile plants in their native ecosystems. Cakile maritima is an annual halophyte frequent on Mediterranean coasts, which transiently produces transiently dormant seeds under high salinity, but that germinate fast when soil salinity is lowered by rainfall. Here, we report eco-physiological and proteomic data about (i) the effect of high salt (200 mM NaCl) on the early developmental stages (germination and seedling) and (ii) the seed germination recovery capacity of this species...
December 8, 2017: Physiologia Plantarum
https://www.readbyqxmd.com/read/29219782/preventive-role-of-vitamin-d-in-silica-induced-skin-fibrosis-a-study-in-relation-to-oxidative-stress-and-pro-inflammatory-cytokines
#18
Ashwani Koul, Stanzin Angmo, Sanjay Bharati
The protective effects of vitamin D analogue calcipotriol in silica-induced skin fibrosis were studied in the present study. Male BALB / c mice were divided into four groups; Control, Vitamin D, Silica and Silica+Vitamin D. Silica was administered as a single intradermal injection (40 µg / µL, dissolved in normal saline; particle size 1 - 5 µm) in the hind limbs of animals in Silica & Silica+Vitamin D group. Vitamin D group animals received topical application of 100µL of vitamin D solution (10-7M in Ethanol) daily for 12 weeks...
December 8, 2017: International Journal for Vitamin and Nutrition Research. Journal International de Vitaminologie et de Nutrition
https://www.readbyqxmd.com/read/29219628/penetration-enhancer-containing-spanlastics-pecss-for-transdermal-delivery-of-haloperidol-in-vitro-characterization-ex-vivo-permeation-and-in-vivo-biodistribution-studies
#19
Abdurrahman M Fahmy, Doaa Ahmed El-Setouhy, Ahmed B Ibrahim, Basant A Habib, Saadia A Tayel, Noha A Bayoumi
Haloperidol (Hal) is one of the widely used antipsychotic drugs. When orally administered, it suffers from low bioavailability due to hepatic first pass metabolism. This study aimed at developing Hal-loaded penetration enhancer-containing spanlastics (PECSs) to increase transdermal permeation of Hal with sustained release. PECSs were successfully prepared using ethanol injection method showing reasonable values of percentage entrapment efficiency, particle size, polydispersity index and zeta potential. The statistical analysis of the ex vivo permeation parameters led to the choice of F1L - made of Span® 60 and Tween® 80 at the weight ratio of 4:1 along with 1% w/v Labrasol® - as the selected formula (SF)...
November 2018: Drug Delivery
https://www.readbyqxmd.com/read/29219025/the-effect-of-growth-hormone-on-chondral-defect-repair
#20
Natalie R Danna, Bryan G Beutel, Austin J Ramme, Thorsten Kirsch, Oran D Kennedy, Eric Strauss
Objective Focal chondral defects alter joint mechanics and cause pain and debilitation. Microfracture is a surgical technique used to treat such defects. This technique involves penetration of subchondral bone to release progenitor cells and growth factors from the marrow to promote cartilage regeneration. Often this results in fibrocartilage formation rather than structured hyaline cartilage. Some reports have suggested use of growth hormone (GH) with microfracture to augment cartilage regeneration. Our objective was to test whether intra-articular (IA) GH in conjunction with microfracture, improves cartilage repair in a rabbit chondral defect model...
January 2018: Cartilage
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