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https://www.readbyqxmd.com/read/28551156/evaluation-of-hydrophilic-interaction-liquid-chromatography-tandem-mass-spectrometry-and-extraction-with-molecularly-imprinted-polymers-for-determination-of-aminoglycosides-in-milk-and-milk-based-functional-foods
#1
David Moreno-González, Ahmed M Hamed, Ana M García-Campaña, Laura Gámiz-Gracia
An analytical method for the determination of eleven aminoglycosides in different types of milk and milk-based functional products has been optimized and validated. A hydrophilic interaction chromatography (HILIC) column was proposed for the separation of analytes by ultra-high performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS). A commercially molecularly imprinted polymer has been used for the solid phase extraction of the analytes, in order to achieve high selectivity in the sample treatment...
August 15, 2017: Talanta
https://www.readbyqxmd.com/read/28549481/late-onset-alzheimer-s-disease-genetics-implicates-microglial-pathways-in-disease-risk
#2
REVIEW
Anastasia G Efthymiou, Alison M Goate
Alzheimer's disease (AD) is a highly heritable complex disease with no current effective prevention or treatment. The majority of drugs developed for AD focus on the amyloid cascade hypothesis, which implicates Aß plaques as a causal factor in the disease. However, it is possible that other underexplored disease-associated pathways may be more fruitful targets for drug development. Findings from gene network analyses implicate immune networks as being enriched in AD; many of the genes in these networks fall within genomic regions that contain common and rare variants that are associated with increased risk of developing AD...
May 26, 2017: Molecular Neurodegeneration
https://www.readbyqxmd.com/read/28549435/molecular-characterization-of-hemotropic-mycoplasmas-mycoplasma-ovis-and-candidatus-mycoplasma-haemovis-in-sheep-and-goats-in-china
#3
Xiaoxing Wang, Yanyan Cui, Yan Zhang, Ke Shi, Yaqun Yan, Fuchun Jian, Longxian Zhang, Rongjun Wang, Changshen Ning
BACKGROUND: Hemotropic mycoplasmas (hemoplasmas) are emerging zoonotic pathogens with a worldwide distribution that can cause mild to severe hemolytic anemia, icterus, ill-thrift, infertility, and poor weight gain. However, understanding of the molecular epidemiology of hemoplasmas (Mycoplasma ovis and 'Candidatus Mycoplasma haemovis') is limited in sheep and goats, and the hemoplasma strain/species/variant 'Candidatus M. haemovis' was poorly studied throughout the world and had never been detected in China until now...
May 26, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28545903/potential-of-fecal-waste-for-the-production-of-biomethane-bioethanol-and-biodiesel
#4
Mohamed A Gomaa, Raeid M M Abed
Fecal waste is an environmental burden that requires proper disposal, which ultimately becomes also an economic burden. Because fecal waste is nutrient-rich and contains a diverse methanogenic community, it has been utilized to produce biomethane via anaerobic digestion. Carbohydrates and lipids in fecal waste could reach up to 50% of the dry weight, which also suggests a potential as a feedstock for bioethanol and biodiesel production. We measured biomethane production from fecal waste of cows, chickens, goats and humans and compared the microbial community composition before and after anaerobic digestion...
May 22, 2017: Journal of Biotechnology
https://www.readbyqxmd.com/read/28543277/experimental-study-of-cryofreezing-energy-applications-on-the-ventricular-myocardium-using-sheep-hearts
#5
Kaoru Okishige, Peter L Friedman
BACKGROUND: Cryofreezing energy has been utilized to abolish arrhythmogenic substrates of various kinds of tachyarrhythmias. However, systematic electrophysiological and histological investigations of cryothermia have never been performed. The aim of this study was to clarify those aspects using sheep beating hearts. METHODS: A total of eight adult sheep were utilized under total anesthesia, and a pericardial cradle was made by opening the pericardium. Eight epicardial plaque electrodes were sutured on the epicardial surface of the left ventricle 2∼3 cm apart from each other...
May 23, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28542897/osteoarthritis-in-two-marine-mammals-and-22-land-mammals-learning-from-skeletal-remains
#6
Korakot Nganvongpanit, Ratsadakorn Soponteerakul, Piyatida Kaewkumpai, Veerasak Punyapornwithaya, Kittisak Buddhachat, Raksiri Nomsiri, Patcharaporn Kaewmong, Kongkiat Kittiwatanawong, Rachanchai Chawangwongsanukun, Taweepoke Angkawanish, Chatchote Thitaram, Pasuk Mahakkanukrauh
The occurrence of osteoarthritis (OA) in marine mammals is still questionable. Here we investigated the prevalence of OA in marine (dolphin and dugong) and terrestrial mammals (Asian elephant, Asiatic buffalo, camel, cat, cattle, deer, dog, domestic goat, horse, human, hyena, impala, lion, Malayan tapir, Assam macaque, mule, pig, rabbit, red kangaroo, sheep, tiger and waterbuck). Skeletal remains obtained from five institutes were used as subjects; a total of 45 different parts (locations) of bones were observed for OA lesions...
May 23, 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/28542844/the-inward-rectifier-current-inhibitor-pa-6-terminates-atrial-fibrillation-and-does-not-cause-ventricular-arrhythmias-in-dedicated-goat-and-dog-models
#7
Yuan Ji, Rosanne Varkevisser, Dragan Opacic, Alexandre Bossu, Marion Kuiper, Jet D M Beekman, Sihyung Yang, Azinwi Phina Khan, Dobromir Dobrev, Niels Voigt, Michael Zhuo Wang, Sander Verheule, Marc A Vos, Marcel A G Van der Heyden
BACKGROUND AND PURPOSE: Inward rectifier current (IK1 ) density increases in atrial fibrillation (AF), shortening effective refractory period and thus promotes atrial reentry. Pentamidine-Analogue 6 (PA-6) is a selective and potent IK1 inhibitor. We tested PA-6 for anti-AF efficacy and potential proarrhythmia, in established large animal models. EXPERIMENTAL APPROACH: PA-6 was applied i.v. in anaesthetized goats with rapid pacing induced AF and anaesthetized chronic AV block dogs...
May 24, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28541752/ensiled-sugar-beets-as-dietary-component-and-their-effect-on-preference-and-dry-matter-intake-by-goats
#8
Katrin Gerlach, Anke Reimink, Ulrike Messerschmidt, Karl-Heinz Südekum
This study examines the influence of ensiled sugar beets (Beta vulgaris ssp. vulgaris) on preference and short-time dry matter (DM) intake of goats. Whole sugar beets were ensiled either without any silage additive (sugar beet silage (SBS)) or with a chemical additive (6 l/t) containing 85% formic and propionic acids (treated sugar beet silage (TBS)) and were chopped after ensiling. The influence of different proportions of SBS (0%, 6.25%, 12.5%, 18.75% and 25% of dietary DM) and TBS (0%, 5%, 10%, 15% and 20% of DM) in partial mixed rations on short-time DM intake by goats (adult Saanen type wethers; n = 10) was studied in two separate, independent trials...
May 25, 2017: Archives of Animal Nutrition
https://www.readbyqxmd.com/read/28540363/body-weight-and-scrotal-testicular-biometry-in-three-indigenous-breeds-of-bucks-in-arid-and-semiarid-agroecologies-ethiopia
#9
Amare Eshetu Gemeda, Kefelegn Workalemahu
The body weight and testicular and epididymal parameters of Afar, Long-eared Somali (LES), and Woyto-Guji (WG) breeds of goat were investigated. A total of 405 randomly selected bucks of Afar (n = 135), Long-eared Somali (n = 135), and Woyto-Guji (n = 135) were included in this study. The overall mean scrotal circumference (SC), testicular volume (TV), testicular length (TL), testicular weight (TW), body weight (BW), epididymal weight (EW), body condition score, and testicular diameter (TD) measurements in all bucks were 20...
2017: Journal of veterinary medicine
https://www.readbyqxmd.com/read/28539940/horizontal-and-vertical-distribution-of-heavy-metals-in-farm-produce-and-livestock-around-lead-contaminated-goldmine-in-dareta-and-abare-zamfara-state-northern-nigeria
#10
O E Orisakwe, O O Oladipo, G C Ajaezi, N A Udowelle
Background. Hitherto studies in response to the June 2010 lead poisoning, Zamfara State, Nigeria, have focused on clinical interventions without information on livestock and other metals. Objective. This study has investigated the distribution of heavy metals in farm produce and livestock around lead-contaminated goldmine in Dareta and Abare, Zamfara State, Nigeria. Methods. Vegetables, soil, water, blood, and different meat samples were harvested from goat, sheep, cattle, and chicken from Dareta, Abare, and Gusau communities...
2017: Journal of Environmental and Public Health
https://www.readbyqxmd.com/read/28537612/proline-rich-antimicrobial-peptides-targeting-protein-synthesis
#11
Michael Graf, Mario Mardirossian, Fabian Nguyen, A Carolin Seefeldt, Gilles Guichard, Marco Scocchi, C Axel Innis, Daniel N Wilson
Covering: up to 2017The innate immune system employs a broad array of antimicrobial peptides (AMPs) to attack invading microorganisms. While most AMPs act by permeabilizing the bacterial membrane, specific subclasses of AMPs have been identified that pass through membranes and inhibit bacterial growth by targeting fundamental intracellular processes. One such subclass is the proline-rich antimicrobial peptides (PrAMPs) that bind to the ribosome and interfere with the process of protein synthesis. A diverse range of PrAMPs have been identified in insects, such as bees, wasps and beetles, and crustaceans, such as crabs, as well as in mammals, such as cows, sheep, goats and pigs...
May 24, 2017: Natural Product Reports
https://www.readbyqxmd.com/read/28533031/enantioseparation-and-optical-rotation-of-flavor-relevant-4-alkyl-branched-fatty-acids
#12
Dorothee Eibler, Walter Vetter
Short chain 4-alkyl-branched fatty acids are character impact compounds of the flavor of sheep and goat milk and meat. Due to their methyl or ethyl branches these volatile fatty acids are chiral, and both enantiomers are characterized by different aroma intensities. Recently, it was found that 4-methyloctanoic acid (4-Me-8:0), 4-ethyloctanoic acid (4-Et-8:0), and 4-methylnonanoic acid (4-Me-9:0) are enantiopure in goat and sheep samples, if present. Here we generated enantiopure or enantioenriched standards from racemates by means of (R)-selective esterification with lipase B and verified that 4-Me-8:0, 4-Et-8:0 and 4-Me-9:0 were (R)-enantiopure in these tissues...
May 8, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28532834/effects-of-feeding-green-microalgae-on-ovarian-activity-reproductive-hormones-and-metabolic-parameters-of-boer-goats-in-arid-subtropics
#13
W Senosy, A Y Kassab, A A Mohammed
The present study aimed to improve ovarian follicle development and plasma metabolites and hormone concentrations upon supplementation of Boer goats with green microalga (Dunaliella salina; 10 g/head/day) (N = 20; MAT group) compared to control (N = 10; not receive microalgae) in subtropics. Estrus was synchronized in all animals by two intramuscular administration of 12.5 mg dinoprost 11 days a part. MAT group was supplemented with Dunaliella salina for 11 days (from the day of first injection of dinoprost till the second injection)...
July 1, 2017: Theriogenology
https://www.readbyqxmd.com/read/28532450/lps-induced-systemic-inflammation-reveals-an-immunomodulatory-role-for-the-prion-protein-at-the-blood-brain-interface
#14
Ø Salvesen, M R Reiten, A Espenes, M K Bakkebø, M A Tranulis, C Ersdal
BACKGROUND: The cellular prion protein (PrP(C)) is an evolutionary conserved protein abundantly expressed not only in the central nervous system but also peripherally including the immune system. A line of Norwegian dairy goats naturally devoid of PrP(C) (PRNP (Ter/Ter)) provides a novel model for studying PrP(C) physiology. METHODS: In order to explore putative roles for PrP(C) in acute inflammatory responses, we performed a lipopolysaccharide (LPS, Escherichia coli O26:B6) challenge of 16 goats (8 PRNP (+/+) and 8 PRNP (Ter/Ter)) and included 10 saline-treated controls (5 of each PRNP genotype)...
May 22, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28531221/human-paleodiet-and-animal-utilization-strategies-during-the-bronze-age-in-northwest-yunnan-province-southwest-china
#15
Lele Ren, Xin Li, Lihong Kang, Katherine Brunson, Honggao Liu, Weimiao Dong, Haiming Li, Rui Min, Xu Liu, Guanghui Dong
Reconstructing ancient diets and the use of animals and plants augment our understanding of how humans adapted to different environments. Yunnan Province in southwest China is ecologically and environmentally diverse. During the Neolithic and Bronze Age periods, this region was occupied by a variety of local culture groups with diverse subsistence systems and material culture. In this paper, we obtained carbon (δ13C) and nitrogen (δ15N) isotopic ratios from human and faunal remains in order to reconstruct human paleodiets and strategies for animal exploitation at the Bronze Age site of Shilinggang (ca...
2017: PloS One
https://www.readbyqxmd.com/read/28531195/livestock-metabolomics-and-the-livestock-metabolome-a-systematic-review
#16
Seyed Ali Goldansaz, An Chi Guo, Tanvir Sajed, Michael A Steele, Graham S Plastow, David S Wishart
Metabolomics uses advanced analytical chemistry techniques to comprehensively measure large numbers of small molecule metabolites in cells, tissues and biofluids. The ability to rapidly detect and quantify hundreds or even thousands of metabolites within a single sample is helping scientists paint a far more complete picture of system-wide metabolism and biology. Metabolomics is also allowing researchers to focus on measuring the end-products of complex, hard-to-decipher genetic, epigenetic and environmental interactions...
2017: PloS One
https://www.readbyqxmd.com/read/28529267/endometrial-adenocarcinoma-with-choriocarcinomatous-differentiation-in-the-uterus-of-a-goat
#17
Masashi Kawashima, Risa Segawa, Toshinori Yoshida, Hirotada Murayama, Rei Nagahara, Masayuki Kimura, Natsumi Endo, Tomomi Tanaka, Makoto Shibutani
An 11-year-old female goat had invasive and metastatic endometrial adenocarcinoma in the uterus. There was a notable proliferation of endometrial epithelial cells in a tubular growth pattern, with a desmoplastic response. The endometrial epithelial tumor cells metastasized to the kidney, liver and lung. In contrast to the primary and metastatic tumor cells, pleomorphic tumor cells with a choriocarcinoma-like growth pattern infiltrated the mesometrium. Cell proliferation activity was high in both types of tumor cells...
May 19, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28528861/mechanism-of-melatonin-protection-against-copper-ascorbate-induced-oxidative-damage-in-vitro-through-isothermal-titration-calorimetry
#18
Arnab K Ghosh, Shamreen Naaz, Bharati Bhattacharjee, Nirajan Ghosal, Aindrila Chattopadhyay, Souvik Roy, Russel J Reiter, Debasish Bandyopadhyay
AIMS: Involvement of oxidative stress in cardiovascular diseases is well established. Melatonin's role as an antioxidant and free radical scavenger via its receptor dependent and receptor independent pathways is well known. The aim of this study is to identify and elaborate upon a third mechanism by which melatonin is able to abrogate oxidative stress. MAIN METHODS: Oxidative stress was induced in vitro, by copper (0.2mM)-ascorbate (1mM) in isolated goat heart mitochondria, cytosol and peroxisomes and they were co-incubated with graded doses of melatonin...
May 18, 2017: Life Sciences
https://www.readbyqxmd.com/read/28528531/diversity-and-distribution-of-ticks-from-domestic-ruminants-in-lebanon
#19
Mayssaa Fawaz Dabaja, Maria Tempesta, Ali Bayan, Gesualdo Vesco, Grazia Greco, Grazia Greco, Alessandra Torina, Valeria Blanda, Francesco La Russa, Salvatore Scimeca, Rossella Lelli, Mohamad Ezzedine, Hussein Mortada, Didier Raoult, Pierre Edouard Fournier, Mohamad Mortada
Ticks (Acari: Ixodidae) are ectoparasites infesting livestock in every geographic area in the world and they are vectors of several viral, bacterial, and protozoan pathogens to animals and humans worldwide. A deep knowledge of the geographical distribution of these arthropods would have a key role in the control of tick-borne diseases. Few data are available about tick presence in domestic ruminants in Lebanon. The study aimed at providing an analysis of tick presence and distribution in Lebanon. Ticks were collected from cattle, sheep, and goats farms distributed in 6 Lebanese provinces between June and September 2014...
April 11, 2017: Veterinaria Italiana
https://www.readbyqxmd.com/read/28527797/mir-26b-promoter-analysis-reveals-regulatory-mechanisms-by-lipid-related-transcription-factors-in-goat-mammary-epithelial-cells
#20
Hui Wang, Jun Luo, Qiuya He, Dawei Yao, Jiao Wu, Juan J Loor
MicroRNA (miRNA) regulate protein abundance and control diverse aspects of cellular processes and biological functions associated with lipid metabolism. MiR-26b and its host gene CTDSP1 regulate triacylglycerol synthesis by synergistically suppressing the insulin-induced gene 1 (INSIG1); however, the direct regulators of miR-26b expression remain unknown. In the present study, we characterized the activity of a novel putative promoter region in miR-26b. Results revealed that promoter activity and miR-26b expression are dynamically regulated by different transcription factors including peroxisome proliferator-activated receptor gamma (PPARG), sterol regulatory element binding transcription factor 1 (SREBF1), and liver X receptor α (LXRα)...
May 17, 2017: Journal of Dairy Science
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