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https://www.readbyqxmd.com/read/28806565/implications-of-biological-factors-on-accumulation-of-persistent-organic-pollutants-in-antarctic-notothenioid-fish
#1
J M Ríos, N B Lana, N F Ciocco, A Covaci, E Barrera-Oro, E Moreira, J C Altamirano
In the present study, the possible associations between selected persistent organic pollutants (POPs) and biological factors were assessed in different tissues of two Antarctic notothenioid fish: Notothenia rossii (NOR) and Trematomus newnesi (TRN) collected at Potter Cove, King George Island/Isla 25 de Mayo, South Shetland Islands. Specifically, association patterns between biological factors (body size, lipid content, body condition) and POP concentrations (polychlorinated biphenyls (PCBs), dichlorodiphenyltrichloroethane (DDT) and metabolites, polybrominated diphenyl ethers (PBDEs), and hexachlorocyclohexane (HCH), hexachlorobenzene (HCB), chlordanes (CHLs) and methoxylated polybrominated diphenyl ethers (MeO-PBDEs)), were explored by using two approaches: multivariate analyses (principal component analysis: PCA) and intraspecific correlations...
August 11, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28780444/tissue-specific-distribution-and-maternal-transfer-of-polybrominated-diphenyl-ethers-pbdes-and-their-metabolites-in-adult-common-sole-solea-solea-l-over-an-entire-reproduction-cycle
#2
C Munschy, N Bely, K Héas-Moisan, N Olivier, V Loizeau
Tissue-specific accumulation and distribution of polybrominated diphenyl ethers (PBDEs) and their debrominated metabolites were studied in common sole (Solea solea) over an entire reproduction cycle. The fish were dietary-exposed to selected PBDEs in laboratory-controlled conditions for one year. Fish of both sexes were sampled throughout the reproduction cycle and their muscle, liver, viscera, carcass, skin and gonads (female) were analysed for total lipid content, PBDEs and their debrominated metabolites...
August 3, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28771840/influence-of-l-carnitine-and-l-arginine-on-protein-synthesis-and-maturation-of-the-semitendinosus-muscle-of-lightweight-piglets
#3
J G Madsen, E Seoni, M Kreuzer, P Silacci, G Bee
Lightweight (LW) piglets from large litters display impaired growth performance compared with heavier littermates. This study investigated the growth performance and muscle development of early-weaned LW piglets (birthweight <1.2 kg) from large litters (17.3 ± 3.0 total born per litter), fed ad libitum a milk replacer supplemented with either l-carnitine (CAR) or l-arginine (ARG) from day 7 to day 28 of age. In total, 36 female and entire male Swiss Large White piglets, weaned on day 7 of age, were artificially reared in pairs in rescue decks...
August 3, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28768159/hens-can-ingest-extruded-polystyrene-in-rearing-buildings-and-lay-eggs-contaminated-with-hexabromocyclododecane
#4
Catherine Jondreville, Ronan Cariou, Angélique Travel, Louis-Jean Belhomme, Gaud Dervilly-Pinel, Bruno Le Bizec, Adeline Huneau-Salaün, Sophie Le Bouquin-Leneveu
The overall concentration of hexabromocyclododecane (HBCDD) in eggs is low although abnormally high concentrations exceeding 3000 ng g(-1) lw have been reported. In order to test whether these contaminations may originate from the ingestion of insulating materials in rearing buildings, a group of 55 hens raised in a collective cage was provided with a 64-g piece of extruded polystyrene (XPS, 2.59% HBCDD of which 75, 15 and 10% as α-, β- and γ-HBCDD, respectively). Hens entirely consumed the piece within 3 days, leading to a mean daily exposure of 4...
July 24, 2017: Chemosphere
https://www.readbyqxmd.com/read/28759650/microrna-expression-profiles-differ-between-primary-myofiber-of-lean-and-obese-pig-breeds
#5
Dongting He, Tiande Zou, Xiangrong Gai, Jideng Ma, Mingzhou Li, Zhiqing Huang, Daiwen Chen
MicroRNAs (miRNAs) are non-coding small miRNAs ~22 nucleotides in length and play a vital role in muscle development by binding to messenger RNAs (mRNAs). Large White (LW, a lean type pig) and Meishan pigs (MS, a Chinese indigenous obese breed) have significant postnatal phenotype differences in growth rate, muscle mass and meat quality, and these differences are programmed during prenatal muscle development. Little research shed light directly on the miRNA transcriptome difference in prenatal muscles between these two distinct pig breeds...
2017: PloS One
https://www.readbyqxmd.com/read/28757561/porcine-interferon-stimulated-gene-12a-restricts-porcine-reproductive-and-respiratory-syndrome-virus-replication-in-marc-145-cells
#6
Likai Ji, Xiang Zhou, Wan Liang, Jianjian Liu, Bang Liu
Porcine reproductive and respiratory syndrome virus (PRRSV) causes severe losses in the global pig industry. In the present study, we investigated the molecular characterization of porcine interferon stimulated gene 12a (ISG12A) and confirmed its anti-PRRSV ability for the first time. We found that porcine ISG12A was localized in mitochondria and significantly decreased the number of cells in G2/S phase. Porcine ISG12A mRNA was up-regulated in cells/tissues of Tongcheng (TC) pigs and Large White (LW) pigs after PRRSV challenge...
July 25, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28741866/a-review-of-available-laser-and-intense-light-source-home-devices-a-dermatologist-s-perspective
#7
REVIEW
Margit Lw Juhász, Melissa K Levin, Ellen S Marmur
BACKGROUND: Home optical devices are becoming an increasingly popular treatment modality sought out by patients for dermatologic pathologies such as acne, hair removal and anti-aging, as these devices are a low-cost and convenient therapy choice. METHODS: An Internet search using PubMed.gov was completed with search terms, "home device dermatology," "home device acne," "home device hair" or "hair removal," and "home device aging." RESULTS: Currently, there are multiple home optical devices available on the market...
July 25, 2017: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/28723906/genomic-prediction-with-parallel-computing-for-slaughter-traits-in-chinese-simmental-beef-cattle-using-high-density-genotypes
#8
Peng Guo, Bo Zhu, Lingyang Xu, Hong Niu, Zezhao Wang, Long Guan, Yonghu Liang, Hemin Ni, Yong Guo, Yan Chen, Lupei Zhang, Xue Gao, Huijiang Gao, Junya Li
Genomic selection has been widely used for complex quantitative trait in farm animals. Estimations of breeding values for slaughter traits are most important to beef cattle industry, and it is worthwhile to investigate prediction accuracies of genomic selection for these traits. In this study, we assessed genomic predictive abilities for average daily gain weight (ADG), live weight (LW), carcass weight (CW), dressing percentage (DP), lean meat percentage (LMP) and retail meat weight (RMW) using Illumina Bovine 770K SNP Beadchip in Chinese Simmental cattle...
2017: PloS One
https://www.readbyqxmd.com/read/28713829/experimental-verification-of-capn1-and-cast-gene-polymorphisms-in-different-generations-of-da-heng-broilers
#9
Yu-Guang Zhou, Yong Xiong, Chao-Wu Yang, Xiao-Song Jiang, Jin-Shan Ran, Jie Jin, Ye Wang, Dan Lan, Peng Ren, Yao-Dong Hu, Yi-Ping Liu
The micromolar calcium activated neutral protease (CAPN1) and calpastatin (CAST) have been widely regarded as genes related to muscle growth and meat tenderness. The objective of this study was to verify the association of SNPs of CAPN1 and CAST genes with carcass and tenderness traits and search the possible change patterns of SNPs in CAPN1 and CAST genes in six generations of broiler breeding process for growth rate, efficiency, and reproduction, during the third generation and the ninth generation, respectively...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28707080/reproductive-outcomes-of-anestrous-goats-supplemented-with-spineless-opuntia-megacantha-salm-dyck-protein-enriched-cladodes-and-exposed-to-the-male-effect
#10
Cesar A Meza-Herrera, Omag Cano-Villegas, Arnoldo Flores-Hernandez, Francisco G Veliz-Deras, Guadalupe Calderon-Leyva, Juan M Guillen-Muñoz, Cristina García de la Peña, Cesar A Rosales-Nieto, Ulises Macias-Cruz, Leonel Avendaño-Reyes
The possible influence of the "male effect" upon reproductive outcomes of adult anestrous goats under marginal rangeland conditions and supplemented with protein-enriched Opuntia megacantha Salm-Dyck was evaluated. Reproductive variables included: estrus percentage (EST, %), estrus latency (ESL, hours), ovulation percentage (OP, %), ovulation rate (OR, units), average largest follicle at ovulation (LFO, mm), largest corpus luteum (LCL, mm), embryo number (EBN, units), and embryo implantation percentage (EIP, %)...
July 13, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28704922/transcriptome-differences-in-porcine-alveolar-macrophages-from-tongcheng-and-large-white-pigs-in-response-to-highly-pathogenic-porcine-reproductive-and-respiratory-syndrome-virus-prrsv-infection
#11
Wan Liang, Likai Ji, Yu Zhang, Yueran Zhen, Qingde Zhang, Xuewen Xu, Bang Liu
Porcine reproductive and respiratory syndrome virus (PRRSV) is a single-stranded positive-sense RNA virus that can cause devastating reproductive failure and respiratory tract lesions, which has led to serious damage to the swine industry worldwide. Our previous studies have indicated that Tongcheng (TC) pigs, a Chinese local breed, have stronger resistance or tolerance to PRRSV infection than Large White (LW) pigs. This study aims to investigate their host transcriptome differences in porcine alveolar macrophages (PAMs) at 7 days post challenge...
July 12, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28688305/accumulation-and-distribution-of-organophosphate-flame-retardants-pfrs-and-their-di-alkyl-phosphates-daps-metabolites-in-different-freshwater-fish-from-locations-around-beijing-china
#12
Rui Hou, Cao Liu, Xiaozhong Gao, Yiping Xu, Jinmiao Zha, Zijian Wang
Organophosphate flame retardants (PFRs) can be rapidly metabolized in the body, and recent studies have shown that the di-alkyl phosphates (DAPs) are important metabolites. The accumulation and distribution of 8 PFRs and their 4 DAPs metabolites were first investigated in whole-body samples and various tissues of three freshwater fish species (topmouth gudgeon, crucian carp and loach) with different feeding habits from locations around Beijing, China. Concentrations of ΣPFRs in whole-body samples across all sampling locations ranged from 264...
July 5, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28688304/dietary-exposure-assessment-of-chinese-population-to-tetrabromobisphenol-a-hexabromocyclododecane-and-decabrominated-diphenyl-ether-results-of-the-5th-chinese-total-diet-study
#13
Zhixiong Shi, Lei Zhang, Yunfeng Zhao, Zhiwei Sun, Xianqing Zhou, Jingguang Li, Yongning Wu
Based on the 5th Chinese Total Diet Study (TDS) carried out in 2011, the dietary exposure of Chinese population to three currently used brominated flame retardants (BFRs), tetrabromobisphenol A (TBBPA), hexabromocyclododecane (HBCD) and decabrominated diphenyl ether (BDE-209), was estimated and the related health risks were assessed. Levels of the three BFRs were determined in 80 composite samples from four animal-origin food groups. The average levels of BFRs in various food groups ranged from 0.671 to 5.76 ng/g lipid weight (lw)...
July 5, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28680548/evaluation-of-marginal-and-internal-gaps-of-ni-cr-and-co-cr-alloy-copings-manufactured-by-microstereolithography
#14
Dong-Yeon Kim, Chong-Myeong Kim, Ji-Hwan Kim, Hae-Young Kim, Woong-Chul Kim
PURPOSE: The purpose of this study was to evaluate the marginal and internal gaps of Ni-Cr and Co-Cr copings, fabricated using the dental µ-SLA system. MATERIALS AND METHODS: Ten study dies were made using a two-step silicone impression with a dental stone (type IV) from the master die of a tooth. Ni-Cr (NC group) and Co-Cr (CC group) alloy copings were designed using a dental scanner, CAD software, resin coping, and casting process. In addition, 10 Ni-Cr alloy copings were manufactured using the lost-wax technique (LW group)...
June 2017: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/28667423/endosulfan-short-chain-chlorinated-paraffins-sccps-and-octachlorostyrene-in-wildlife-from-greenland-levels-trends-and-methodological-challenges
#15
Katrin Vorkamp, Frank F Rigét, Rossana Bossi, Christian Sonne, Rune Dietz
Besides globally banned "legacy" persistent organic pollutants, other compounds might be present in Arctic wildlife, for which regulation was introduced recently (the insecticide endosulfan), is considered (short-chain chlorinated paraffins, SCCPs) or does not exist (octachlorostyrene, OCS, a byproduct of manufacturing and combustion processes involving chlorine). The purpose of this study was to analyze the time trend of endosulfan (1986-2012) in ringed seals and to address the levels of SCCPs and OCS in wildlife species from Greenland (black guillemot, glaucous gull, ringed seal, polar bear), while taking a critical standpoint to analytical methods typically applied...
June 30, 2017: Archives of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28663024/comparison-and-evaluation-of-marginal-and-internal-gaps-in-cobalt-chromium-alloy-copings-fabricated-using-subtractive-and-additive-manufacturing
#16
Dong-Yeon Kim, Ji-Hwan Kim, Hae-Young Kim, Woong-Chul Kim
PURPOSE: To evaluate the marginal and internal gaps of cobalt-chromium (Co-Cr) alloy copings fabricated using subtractive and additive manufacturing. METHODS: A study model of an abutment tooth 46 was prepared by a 2-step silicone impression with dental stone. Fifteen stereolithography files for Co-Cr alloy copings were compiled using a model scanner and dental CAD software. Using the lost wax (LW), wax block (WB), soft metal block (SMB), microstereolithography (μ-SLA), and selected laser melting (SLM) techniques, 15 Co-Cr alloy copings were fabricated per group...
June 26, 2017: Journal of Prosthodontic Research
https://www.readbyqxmd.com/read/28662834/an-app-with-remote-support-achieves-better-adherence-to-home-exercise-programs-than-paper-handouts-in-people-with-musculoskeletal-conditions-a-randomised-trial
#17
Tara E Lambert, Lisa A Harvey, Christos Avdalis, Lydia W Chen, Sayanthinie Jeyalingam, Carin A Pratt, Holly J Tatum, Jocelyn L Bowden, Barbara R Lucas
QUESTION: Do people with musculoskeletal conditions better adhere to their home exercise programs when these are provided to them on an app with remote support compared to paper handouts? DESIGN: Randomised, parallel-group trial with intention-to-treat analysis. PARTICIPANTS: Eighty participants with upper or lower limb musculoskeletal conditions were recruited to the trial. Each participant was prescribed a 4-week home exercise program by a physiotherapist at a tertiary teaching hospital in Australia...
July 2017: Journal of Physiotherapy
https://www.readbyqxmd.com/read/28659236/antioxidant-activities-and-phytochemical-constituents-of-antidesma-thwaitesianum-m%C3%A3-ll-arg-leaf-extracts
#18
Bhanuz Dechayont, Arunporn Itharat, Pathompong Phuaklee, Jitpisute Chunthorng-Orn, Thana Juckmeta, Nuntika Prommee, Nitra Nuengchamnong, Pintusorn Hansakul
OBJECTIVE: To investigate the antioxidant activities as well as phytochemical constituents of Antidesma thwaitesianum Müll. Arg. leaf extracts. METHODS: The leaves of A. thwaitesianum were extracted using three different methods: blending with distilled water, maceration with ethanol and decoction. The chemical antioxidant activity of the plant leaf extracts was evaluated using 2,2-diphenyl-1-picryhydrazyl (DPPH) radical and 2,2'-azinobis(3-ethylbenzo-thiazoline-6-sulfonic acid) diammonium salt (ABTS⁺) radical scavenging assays, as well as the ferric reducing antioxidant power assay...
July 2017: Journal of Integrative Medicine
https://www.readbyqxmd.com/read/28647584/transforaminal-lumbar-interbody-fusion-tlif-versus-posterior-lumbar-interbody-fusion-plif-in-lumbar-spondylolisthesis-a-systematic-review-and-meta-analysis
#19
REVIEW
Suzanne L de Kunder, Sander M J van Kuijk, Kim Rijkers, Inge J M H Caelers, Wouter L W van Hemert, Rob A de Bie, Henk van Santbrink
BACKGROUND CONTEXT: Transforaminal lumbar interbody fusion (TLIF) and posterior lumbar interbody fusion (PLIF) are both frequently used as a surgical treatment for lumbar spondylolisthesis. Because of the unilateral transforaminal route to the intervertebral space used in TLIF, as opposed to the bilateral route used in PLIF, TLIF could be associated with fewer complications, shorter duration of surgery, and less blood loss, whereas the effectiveness of both techniques on back or leg pain is equal...
June 21, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28646774/observations-of-black-carbon-aerosols-characteristics-over-an-urban-environment-radiative-forcing-and-related-implications
#20
Samina Bibi, Khan Alam, Farrukh Chishtie, Humera Bibi, Said Rahman
With observations of black carbon (BC) aerosol concentrations, optical and radiative properties were obtained over the urban city of Karachi during the period of March 2006-December 2008. BC concentrations were continuously measured using an Aethalometer, while optical and radiative properties were estimated through the Optical Properties of Aerosols and Clouds (OPAC) and Santa Barbra DISORT Atmospheric Radiative Transfer (SBDART) models, respectively. For the study period, the measured BC concentrations were higher during January, February and November, while lower during May, June, July and August...
June 21, 2017: Science of the Total Environment
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