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Marcos R Kunzler, Emmanuel S da Rocha, Christielen S Dos Santos, Fernando G Ceccon, Liver A Priario, Felipe P Carpes
BACKGROUND: Effects of exercise on foot clearances are important. In older adults variations in foot clearances during walking may lead to a fall, but there is a lack of information concerning stair negotiation in older adults. Whether a condition of post exercise changes foot clearances between steps of a staircase in older adults still unknown. OBJECTIVE: To determine differences in clearances when older adults negotiate different steps of a staircase before and after a session of aerobic exercise...
2018: Work: a Journal of Prevention, Assessment, and Rehabilitation
Jill A Jenkins, Michael R Rosen, Rassa O Draugelis-Dale, Kathy R Echols, Leticia Torres, Carla M Wieser, Constance A Kersten, Steven L Goodbred
Lake Mead National Recreational Area (LMNRA) serves as critical habitat for several federally listed species and supplies water for municipal, domestic, and agricultural use in the Southwestern U.S. Contaminant sources and concentrations vary among the sub-basins within LMNRA. To investigate whether exposure to environmental contaminants is associated with alterations in male common carp (Cyprinus carpio) gamete quality and endocrine- and reproductive parameters, data were collected among sub-basins over 7 years (1999-2006)...
February 10, 2018: Environmental Research
Yan Lin, Ling-Hong Miao, Wen-Jing Pan, Xin Huang, Jack Mike Dengu, Wu-Xiao Zhang, Xian-Ping Ge, Bo Liu, Ming-Chun Ren, Qun-Lan Zhou, Jun Xie, Liang-Kun Pan, Bing-Wen Xi
Nitrite (NO 2 - ) can cause oxidative stress in aquatic animal when it accumulates in the organism, resulting in different toxic effects on fish. In the present study, we investigated the effects of nitrite exposure on the antioxidant enzymes and glutathione system in the liver of Bighead carp (Aristichthys nobilis). Fish [Initial average weight: (180.05 ± 0.092) g] were exposed to 48.634 mg/L nitrite for 96 h, and a subsequent 96 h for the recovery test. Fish livers were collected to assay antioxidant enzymes activity, hepatic structure and expression of genes after 0 h, 6 h, 12 h, 24 h, 48 h, 72 h, 96 h of exposure and12 h, 24 h, 48 h, 72 h, 96 h of recovery...
February 10, 2018: Fish & Shellfish Immunology
Cornelius Rimayi, David Odusanya, Jana M Weiss, Jacob de Boer, Luke Chimuka
A quantitative assessment of pollutants of emerging concern in the Hartbeespoort Dam catchment area was conducted using liquid chromatography-tandem mass spectrometry (LC-MS/MS) to establish the occurrence, source and distribution of 15 environmental pollutants, including 10 pharmaceuticals, 1 pesticide and 4 steroid hormones. Seasonal sampling was conducted in the Hartbeespoort Lake using sub-surface grab sampling to determine the lake's ecological status and obtain data for establishment of progressive operational monitoring...
February 2, 2018: Science of the Total Environment
Dan Z Reinstein, Timothy J Archer, Glenn I Carp, Alastair J Stuart, Elizabeth L Rowe, Andrew Nesbit, Tara Moore
PURPOSE: To report the incidence, visual and refractive outcomes, optical zone enlargement, and recentration using topography-guided CRS-Master TOSCA II software with the MEL 80 excimer laser (Carl Zeiss Meditec AG, Jena, Germany) after primary myopic laser refractive surgery. METHODS: Retrospective analysis of 73 eyes (40 patients) with complaints of night vision disturbances due to either a decentration or small optical zone following a primary myopic laser refractive surgery procedure using the MEL 80 laser...
February 1, 2018: Journal of Refractive Surgery
Runxia Sun, Xiaojun Luo, Xiaobo Zheng, Kun Cao, Pingan Peng, Qing X Li, Bixian Mai
Hexabromocyclododecanes (HBCDs) are flame retardants and emerging persistent organic pollutants. In the present study, α-, β-, and γ-HBCDs were measured in several fish species from rivers and an electronic waste (e-waste) recycling site in Pearl River Delta, South China. The concentrations of HBCDs were 12.8 to 640, 5.90 to 115, and 34.3 to 518ng/g lipid weight (lw) in mud carp (Cirrhinus molitorella), tilapia (Tilapia nilotica), and plecostomus (Hypostomus plecostomus), respectively. Plecostomus showed the highest HBCD concentrations among three fish species...
January 2018: Marine Pollution Bulletin
Julio M Coll
IgM antibody diversity induced by viral infection in teleost fish sera remains largely unexplored despite several studies performed on their transcript counterparts in lymphoid organs. Here, IgM binding to microarrays containing ~20,000 human proteins was used to study sera from carp (Cyprinus carpio) populations having high titers of viral neutralization in vitro after surviving an experimental infection with cyprinid herpes virus 3 (CyHV-3). The range of diversity of the induced antibodies was unexpectedly high, showing CyHV-3 infection-dependent, non-specific IgM-binding activity of a ~20-fold wider variety than that found in sera from healthy carp (natural antibodies) with no anti-CyHV-3 neutralization titers...
2018: Frontiers in Immunology
Geng Chen, Libo He, Lifei Luo, Rong Huang, Lanjie Liao, Yongming Li, Zuoyan Zhu, Yaping Wang
Grass carp is an important aquaculture fish species in China that is affected by severe diseases, especially haemorrhagic disease caused by grass carp reovirus (GCRV). However, the mechanisms of GCRV invasion and infection remain to be elucidated. In the present study, Ctenopharyngodon idellus kidney (CIK) cells were infected with GCRV, harvested at 0, 8, 24, and 72 h post infection, respectively, and then subjected to transcriptomics sequencing. Each sample yielded more than 6 Gb of clean data and 40 million clean reads...
February 6, 2018: International Journal of Molecular Sciences
A Oda, K Messenger, L Carbajal, B Gardner, S Hammer, A Cerreta, G Lewbart, L Posner, K Bailey
No abstract text is available yet for this article.
September 2017: Veterinary Anaesthesia and Analgesia
Shiliang Jia, Xiaochang Liu, Zhan Huang, Yan Li, Longteng Zhang, Yongkang Luo
This study evaluated the effects of chitosan oligosaccharides (COS) on the changes in quality and microbiota of silver carp fillets stored at 4 °C. During storage, 1% (w/v) COS treated samples maintained good quality, as evidenced by retarding sensory deterioration, inhibiting microbial growth, attenuating the production of total volatile basic nitrogen, putrescine, cadaverine and hypoxanthine, and delaying degradation of inosine monophosphate and hypoxanthine ribonucleotide. Meanwhile, variability in the predominant microbiota in different samples was investigated by culture-dependent and -independent methods...
March 2, 2018: International Journal of Food Microbiology
Lutan Zhao, Lin Qi, Cong Li, Lijuan Li, Ling Jin, Junfa Yuan
Spring viraemia of carp virus (SVCV) is a deadly pathogen of common carp. SVCV infection is found to be associated with excess reactive oxygen species (ROS) generation and induces oxidative stress in EPC and FHM cells, which contributes to its pathogenesis. In this study, ROS production and mitochondria function as well as antioxidant enzymes in mitochondria were investigated during SVCV infection in EPC cells. Dysfunction of mitochondria and inactivation of mitochondria electron transport chain complex Ⅲ to augment O2-∙ and H2O2 accumulation were observed in SVCV infected EPC cells...
February 2, 2018: Fish & Shellfish Immunology
Dan-Dan Chen, Yuan-Yuan Yao, Zheng-Wei Cui, Xiang-Yang Zhang, Kai-Song Peng, Xia Guo, Biao Wang, Yuan-Yuan Zhou, Shun Li, Nan Wu, Yong-An Zhang
Grass carp reovirus II (GCRV II) causes severe hemorrhagic disease with high mortality in grass carp, Cyenopharyngodon idellus. DNA vaccination has been proven to be a very effective method in conferring protection against fish viruses. However, DNA vaccines for GCRV II have not yet been conducted on grass carp. In the current work, we vaccinated grass carp with a DNA vaccine consisting of the segment 6 (pC-S6; encoding VP4) or 10 (pC-S10; encoding NS38) of GCRV II and comparatively analyzed the immune responses induced by these two vaccines...
January 31, 2018: Fish & Shellfish Immunology
Yan Gao, Chao Pei, Xiaoying Sun, Chao Zhang, Li Li, Xianghui Kong
The grass carp (Ctenopharyngodon idella) hemorrhagic disease, caused by grass carp reovirus (GCRV), is one of the most severe infectious diseases in aquaculture. Given that antiviral therapies are currently limitedly available, vaccination remains the most effective means for the prevention of viral diseases, such as GCRV. A reovirus strain, which was temporarily named GCRV-HN14, was recently isolated from grass carp in Henan province, China. The S11 gene fragment of GCRV-HN14 was speculated to encode viral structural protein VP35, which has no equivalent gene in other aquareviruses but has antigenic epitopes...
February 3, 2018: Fish & Shellfish Immunology
Dongping Li, Jingbin Zhang, Sijia Song, Ligeng Feng, Yongkang Luo
Ready-to-eat products have become popular with most of the busy people in modern cities. Heat processing combined with vacuum-packaging is one of the most common methods to make ready-to-eat products with an extended shelf-life. In this study, the influence of heat processing [80 °C (LT) and 98 °C (HT) in water bath] on the quality of salted and vacuum-packaged silver carp (Hypophthalmichthys molitrix) fillets, stored at 20 ± 1 °C, was investigated by sensory analysis, biochemical analysis, and microbial diversity...
June 2018: Food Microbiology
Huike Dong, Guanghua Lu, Zhenhua Yan, Jianchao Liu, Haohan Yang, Matthew Nkoom
As a cycloaliphatic brominated flame retardant, hexabromocyclododecane (HBCD) has been widely used in building thermal insulation and fireproof materials. However, there is little information on the bioconcentration as well as effects with respect to HBCD exposure in the aquatic environment. To investigate the bioconcentration of HBCD in tissues (muscle and liver) and its biochemical and behavioural effects, juvenile crucian carp (Carassius auratus) were exposed to different concentrations of technical HBCD (nominal concentrations, 2, 20, 200 μg/L) for 7 days, using a flow-through exposure system...
February 5, 2018: Ecotoxicology
Pham Thai Giang, Viktoriia Burkina, Sidika Sakalli, Heike Schmidt-Posthaus, Martin Krøyer Rasmussen, Tomas Randak, Roman Grabic, Katerina Grabicova, Ganna Fedorova, Olga Koba, Oksana Golovko, Jan Turek, Daniel Cerveny, Jitka Kolarova, Vladimir Zlabek
The original version of this Article unfortunately contained an error. The authors' given and family names were transposed erroneously. It has been corrected now in this Erratum.
February 5, 2018: Environmental Management
Inga Eichhorn, Claudia Feudi, Yang Wang, Heike Kaspar, Andrea T Feßler, Antina Lübke-Becker, Geovana Brenner Michael, Jianzhong Shen, Stefan Schwarz
Objectives: To investigate Aeromonas spp. isolates for the presence of the novel resistance gene mcr-3 or variants thereof and to characterize the positive isolates by whole genome sequence analysis. Methods: A total of 479 unrelated Aeromonas isolates were investigated by PCR for the genes mcr-1, mcr-2 and mcr-3. Positive isolates were investigated for their colistin MICs. Species assignment was based on sequence analysis of 16s rRNA and gyrB and rpoB genes. The mcr-carrying contigs obtained by WGS were analysed for the genetic environments of the mcr genes...
January 31, 2018: Journal of Antimicrobial Chemotherapy
Chihiro Kaneko, Tetsuo Kobayashi, Satoshi Ito, Noriko Sugita, Akira Murasawa, Kiyoshi Nakazono, Hiromasa Yoshie
OBJECTIVES: An interrelationship between rheumatoid arthritis (RA) and periodontitis has been suggested due to their common pathogenic mechanisms. Protein carbamylation and neutrophil extracellular traps (NETs) formation have been shown to be related to autoimmune conditions, including RA, but their association with periodontitis has not been elucidated. Therefore, we assessed whether or not circulating levels of carbamylated protein (CarP) and NETs are associated with periodontitis severity and influenced by periodontal treatment...
2018: PloS One
Xi-Yin Li, Xiao-Li Liu, Yao-Jun Zhu, Jun Zhang, Miao Ding, Ming-Tao Wang, Zhong-Wei Wang, Zhi Li, Xiao-Juan Zhang, Li Zhou, Jian-Fang Gui
Most vertebrates reproduce sexually, and plastic sex determination mechanisms including genotypic sex determination (GSD) and environmental sex determination (ESD) have been extensively revealed. However, why sex determination mechanisms evolve diversely and how they correlate with diverse reproduction strategies remain largely unclear. Here, we utilize the superiority of a hexaploid gibel carp (Carassius gibelio) that is able to reproduce by unisexual gynogenesis and contains a rare but diverse proportion of males to investigate these puzzles...
February 2, 2018: Heredity
Anaïs Leproux, Thomas D. O'Sullivan, Albert Cerussi, Amanda Durkin, Brian Hill, Nola Hylton, Arjun G. Yodh, Stefan A. Carp, David Boas, Shudong Jiang, Keith D. Paulsen, Brian Pogue, Darren Roblyer, Wei Yang, Bruce J. Tromberg
We present a framework for characterizing the performance of an experimental imaging technology, diffuse optical spectroscopic imaging (DOSI), in a 2-year multicenter American College of Radiology Imaging Network (ACRIN) breast cancer study (ACRIN-6691). DOSI instruments combine broadband frequency-domain photon migration with time-independent near-infrared (650 to 1000 nm) spectroscopy to measure tissue absorption and reduced scattering spectra and tissue hemoglobin, water, and lipid composition. The goal of ACRIN-6691 was to test the effectiveness of optically derived imaging endpoints in predicting the final pathologic response of neoadjuvant chemotherapy (NAC)...
December 1, 2017: Journal of Biomedical Optics
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