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https://www.readbyqxmd.com/read/28548570/embolic-mycotic-encephalitis-in-a-cow-following-mortierella-wolfii-infection-of-a-surgery-site
#1
Benjamin Curtis, Charlotte Hollinger, Ailam Lim, Matti Kiupel
A 5-y-old Holstein dairy cow had surgery for a suspected displaced abomasum 10 d postpartum, developed acute neurologic signs at day 19, and was found dead 21 d postpartum. At autopsy, there was a peri-incisional intramuscular abscess that communicated with the peritoneal cavity, as well as hemorrhage and malacia involving the brain, and multiple nodules in the liver, kidneys, and lungs. Fungal hyphae were seen histologically at the surgery site, on the surface of the liver, and in lesions of severe necrotizing vasculitis in the lungs, kidneys, brain, and liver...
May 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28545161/classic-galactosemia-study-on-the-late-prenatal-development-of-galt-specific-activity-in-a-sheep-model
#2
Ana I Coelho, Jörgen Bierau, Martijn Lindhout, Jelle Achten, Boris W Kramer, M Estela Rubio-Gozalbo
BACKGROUND: Classic galactosemia results from deficient activity of galactose-1-phosphate uridylyltransferase (GALT), a key enzyme of galactose metabolism. Despite early diagnosis and early postnatal therapeutic intervention, patients still develop neurologic and fertility impairments. Prenatal developmental toxicity has been hypothesized as a determinant factor of disease. In order to shed light on the importance of prenatal GALT activity, several studies have examined GALT activity throughout development...
May 25, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/28545090/neotropical-bats-that-co-habit-with-humans-function-as-dead-end-hosts-for-dengue-virus
#3
Amanda Vicente-Santos, Andres Moreira-Soto, Claudio Soto-Garita, Luis Guillermo Chaverri, Andrea Chaves, Jan Felix Drexler, Juan Alberto Morales, Alejandro Alfaro-Alarcón, Bernal Rodríguez-Herrera, Eugenia Corrales-Aguilar
Several studies have shown Dengue Virus (DENV) nucleic acids and/or antibodies present in Neotropical wildlife including bats, suggesting that some bat species may be susceptible to DENV infection. Here we aim to elucidate the role of house-roosting bats in the DENV transmission cycle. Bats were sampled in households located in high and low dengue incidence regions during rainy and dry seasons in Costa Rica. We captured 318 bats from 12 different species in 29 households. Necropsies were performed in 205 bats to analyze virus presence in heart, lung, spleen, liver, intestine, kidney, and brain tissue...
May 18, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28538362/statistical-analysis-of-organ-morphometric-parameters-and-weights-in-south-iranian-adult-autopsies
#4
Saeid Gholamzadeh, Mohammad Zarenezhad, Mahmoud Montazeri, Marzieh Zareikordshooli, Ghazaleh Sadeghi, Abdorrasoul Malekpour, Sanaz Hoseni, Mohammadreza Bahrani, Razieh Hajatmand
Organ weight is one important indicator to discern normal from abnormal condition in forensic pathology as well as in clinical medicine. The present study aimed to investigate morphometric parameters and organ weights of southern Iranian adults, which can be fundamental sources to be compared to abnormal cases.Morphometric parameters and weights of 6 organs (heart, liver, kidney, spleen, appendix, and brain), which were harvested from 501 southern Iranian adults (385 males and 116 females) during ordinary postmortem examination, were measured...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28535971/comparative-analysis-of-two-ferritin-subunits-from-blunt-snout-bream-megalobrama-amblycephala-characterization-expression-iron-depriving-and-bacteriostatic-activity
#5
Zhujin Ding, Xiaoheng Zhao, Qifeng Zhan, Lei Cui, Qianhui Sun, Weimin Wang, Hong Liu
Iron is an essential microelement for almost all living organisms, while an excess of iron is toxic, thus maintenance of iron homeostasis is vital. As iron storage protein, ferritin plays an important role in iron metabolism. In the present study, we cloned and characterized the ferritin H subunit from Megalobrama amblycephala, termed as MamFerH. An iron-responsive element (IRE) was predicted in the 5' untranslated region (UTR) of MamFerH, while its bulge structural was different from that of the reported ferritin M subunit (MamFerM)...
May 20, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28534099/effects-of-intermittent-and-continuous-magnetic-fields-on-trace-element-levels-in-guinea-pigs
#6
Onur Erdem, Cemal Akay, Sule Coşkun Cevher, Ayse Gulnihal Canseven, Ahmet Aydın, Nesrin Seyhan
Electromagnetic fields (EMFs) can affect living cells due to biochemical changes, followed by changes in levels of trace elements in serum and different organs. This study focuses on the effect of whole body exposure to EMF, presented everywhere in our environment, and on the levels of trace elements in serum, femur, brain, kidney, and liver tissues. The analyses performed on 29 guinea pigs were divided into five groups. Guinea pigs were exposed to a magnetic field of 50 Hz of 1.5 mT. Groups A and B were exposed to the magnetic field for a period of 4 h/day continuously (4 h/day) for 4 and 7 days, respectively...
May 22, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28532671/ochratoxin-a-transport-by-the-human-breast-cancer-resistance-protein-bcrp-multidrug-resistance-protein-2-mrp2-and-organic-anion-transporting-polypeptides-1a2-1b1-and-2b1
#7
Xiaozhe Qi, Els Wagenaar, Wentao Xu, Kunlun Huang, Alfred H Schinkel
Ochratoxin A (OTA) is a fungal secondary metabolite that can contaminate various foods. OTA has several toxic effects like nephrotoxicity, hepatotoxicity, and neurotoxicity in different animal species, but its mechanisms of toxicity are still unclear. How OTA accumulates in kidney, liver, and brain is as yet unknown, but transmembrane transport proteins are likely involved. We studied transport of OTA in vitro, using polarized MDCKII cells transduced with cDNAs of the efflux transporters mouse (m)Bcrp, human (h)BCRP, mMrp2, or hMRP2, and HEK293 cells overexpressing cDNAs of the human uptake transporters OATP1A2, OATP1B1, OATP1B3, or OATP2B1 at pH7...
May 19, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28528318/metabolic-profiling-of-goldfish-carassius-auratis-after-long-term-glyphosate-based-herbicide-exposure
#8
Ming-Hui Li, Ling-Yu Ruan, Jin-Wei Zhou, Yong-Hong Fu, Lei Jiang, He Zhao, Jun-Song Wang
Glyphosate is an efficient herbicide widely used worldwide. However, its toxicity to non-targeted organisms has not been fully elucidated. In this study, the toxicity of glyphosate-based herbicide was evaluated on goldfish (Carassius auratus) after long-term exposure. Tissues of brains, kidneys and livers were collected and submitted to NMR-based metabolomics analysis and histopathological inspection. Plasma was collected and the blood biochemical indexes of AST, ALT, BUN, CRE, LDH, SOD, GSH-Px, GR and MDA were measured...
May 13, 2017: Aquatic Toxicology
https://www.readbyqxmd.com/read/28527194/biodistribution-and-excretion-of-colloidal-gold-nanoparticles-after-intravenous-injection-effects-of-particle-size
#9
Issei Takeuchi, Sho Nobata, Naoto Oiri, Keishiro Tomoda, Kimiko Makino
BACKGROUND: Inorganic gold nanoparticles (NPs) have a huge potential in targeted drug delivery. Simple preparation and surface modification procedure with their special physicochemical properties of gold NPs attract their use such as tumor targeting and the detection of cancerous cell. OBJECTIVE: Various studies were reported, however, details of biodistribution profile of gold NPs were not enough evaluated. We have studied biodistribution profile of gold NPs having various particle sizes (20, 50 and 100 nm)...
2017: Bio-medical Materials and Engineering
https://www.readbyqxmd.com/read/28525638/glucokinase-gene-may-be-a-more-suitable-target-than-the-insulin-gene-for-detection-of-beta-cell-death
#10
J Sklenarova, L Petruzelkova, S Kolouskova, J Lebl, Z Sumnik, O Cinek
Detection and quantification of unmethylated circulating insulin (INS) DNA presumably released from beta cells has been previously used for assessing their destruction. As the targets within the INS gene suffer from suboptimal specificity, we sought to improve the assay parameters by using the glucokinase gene (GCK) tissue-specific pancreatic promoter.The amount of methylated and unmethylated GCK DNA was measured using a droplet PCR assay, and compared with the previously published INS-targeted assay. The method was tested using synthetic target sequences and DNA from pancreatic islets, blood, brain, kidney, large intestine, liver, lung, small intestine and stomach...
May 18, 2017: Endocrinology
https://www.readbyqxmd.com/read/28523611/exogenous-phosphatidylcholine-supplementation-retrieve-aluminum-induced-toxicity-in-male-albino-rats
#11
Asmaa Fahmy Khafaga
This study investigated the ameliorative potential of exogenous phosphatidylcholine (PC) against aluminum-induced toxicity in male albino rats. Four groups of rats were used for this study (N = 8): group I served as the control, group II (PC treated) received L-α-phosphatidylcholine (egg yolk-derived) 100 mg/kg bwt/day orally, group III (aluminum treated) received aluminum chloride 100 mg/kg bwt/day orally, and group VI (aluminum + PC treated) received similar oral dose of aluminum and PC (100 mg/kg bwt/day)...
May 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28523582/first-in-human-radiation-dosimetry-of-68-ga-nodaga-rgdyk
#12
Silvano Gnesin, Periklis Mitsakis, Francesco Cicone, Emmanuel Deshayes, Vincent Dunet, Augusto F Gallino, Marek Kosinski, Sébastien Baechler, Franz Buchegger, David Viertl, John O Prior
BACKGROUND: Integrin-targeting radiopharmaceuticals have potential broad applications, spanning from cancer theranostics to cardiovascular diseases. We have previously reported preclinical dosimetry results of (68)Ga-NODAGA-RGDyK in mice. This study presents the first human dosimetry of (68)Ga-NODAGA-RGDyK in the five consecutive patients included in a clinical imaging protocol of carotid atherosclerotic plaques. Five male patients underwent whole-body time-of-flight (TOF) PET/CT scans 10, 60 and 120 min after tracer injection (200 MBq)...
December 2017: EJNMMI Research
https://www.readbyqxmd.com/read/28522333/development-of-qsars-for-parameterizing-physiology-based-toxicokinetic-models
#13
Dimosthenis Α Sarigiannis, Krystalia Papadaki, Periklis Kontoroupis, Spyros P Karakitsios
A Quantitative Structure Activity Relationship (QSAR) model was developed in order to predict physicochemical and biochemical properties of industrial chemicals of various groups. This model was based on the solvation equation, originally proposed by Abraham. In this work Abraham's solvation model got parameterized using artificial intelligence techniques such as artificial neural networks (ANNs) for the prediction of partitioning into kidney, heart, adipose, liver, muscle, brain and lung for the estimation of the bodyweight-normalized maximal metabolic velocity (Vmax) and the Michaelis - Menten constant (Km)...
May 15, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28521678/ipgk-pseaac-identify-lysine-phosphoglycerylation-sites-in-proteins-by-incorporating-four-different-tiers-of-amino-acid-pairwise-coupling-information-into-the-general-pseaac
#14
Li-Ming Liu, Yan Xu, Kuo-Chen Chou
BACKGROUND: Occurring at Lys residues, the PGK (lysine phosphoglycerylation) is a special kind of post-translational modification (PTM). It may invert the charge potential of the modified residue and change the protein structures and functions, causing various diseases in liver, brain, and kidney. OBJECTIVE: From the angles of both basic research and drug development, we are facing a critical challenging problem: for an uncharacterized protein sequence containing many Lys residues, which ones can be of phosphoglycerylation, and which ones cannot? METHOD: To address this problem, we have developed a predictor called iPGK-PseAAC by incorporating into the general PseAAC (pseudo amino acid composition) with four different tiers of amino acid pairwise coupling information, where tiers 1, 2, 3, and 4 refer to the amino acid pairwise couplings between all the 1st, 2nd, 3rd, and 4th most contiguous residues along a protein segment, respectively...
May 15, 2017: Medicinal Chemistry
https://www.readbyqxmd.com/read/28520696/an-ovine-model-of-hyperdynamic-endotoxemia-and-vital-organ-metabolism
#15
Liam Byrne, Nchafatso G Obonyo, Sara Diab, Kimble Dunster, Margaret Passmore, Ai Ching Boon, Louise See Hoe, Karen Hay, Frank Van Haren, John-Paul Tung, Louise Cullen, Kiran Shekar, Kathryn Maitland, John F Fraser
BACKGROUND: Animal models of endotoxemia are frequently used to understand the pathophysiology of sepsis and test new therapies. However, important differences exist between commonly used experimental models of endotoxemia and clinical sepsis. Animal models of endotoxemia frequently produce hypodynamic shock in contrast to clinical hyperdynamic shock. This difference may exaggerate the importance of hypoperfusion as a causative factor in organ dysfunction. This study sought to develop an ovine model of hyperdynamic endotoxemia and assess if there is evidence of impaired oxidative metabolism in the vital organs...
May 17, 2017: Shock
https://www.readbyqxmd.com/read/28511134/cadmium-toxicokinetics-in-the-freshwater-turtle-chinemys-reevesii
#16
Junfeng Huo, Aiguo Dong, Juanjuan Yan, Lan Wang, Cungen Ma, Shaochin Lee
This study was designed to investigate the toxicokinetics of Cadmium (Cd) in Chinemys reevesii. The animals were exposed to 15 mg/kg Cd chloride by intraperitoneal injection, and the Cd absorption, distribution, and excretion in different organs were determined. The results showed that Cd absorption reached its peak in the blood at 3 h after treatment. The accumulation of Cd was the highest in the liver and the second highest in the pancreas. All other tissues also accumulated Cd, such as spleen, kidney, intestine, lung, stomach, heart, brain, muscle...
May 4, 2017: Chemosphere
https://www.readbyqxmd.com/read/28511076/the-tissue-distribution-metabolism-and-hepatotoxicity-of-benzoylurea-pesticides-in-male-eremias-argus-after-a-single-oral-administration
#17
Jing Chang, Wei Li, Peng Xu, Baoyuan Guo, Yinghuan Wang, Jianzhong Li, Huili Wang
Benzoylurea pesticides (BPUs) are widely used to control the locust, but the toxicokinetics and hepatotoxicity of BPUs in lizards have not been investigated. In this study, the tissue distribution, metabolism and liver toxicity of diflubenzuron and flufenoxuron were assessed in the Eremias argus following a single oral exposure. Diflubenzuron preferred to accumulate in the fat and brain (>1.0 mg kg(-1)) and was rapidly eliminate in other tissues. In the liver, 4-chloroaniline was one of diflubenzuron metabolites, although with a concentration less than 0...
May 3, 2017: Chemosphere
https://www.readbyqxmd.com/read/28511069/ischaemic-preconditioning-current-knowledge-and-potential-future-applications-after-30-years-of-experience
#18
REVIEW
Karolina Stokfisz, Anna Ledakowicz-Polak, Maciej Zagorski, Marzenna Zielinska
Ischaemic preconditioning (IPC) phenomenon has been known for thirty years. During that time several studies showed that IPC provided by brief ischaemic and reperfusion episodes prior to longer ischaemia can bestow a protective effect to both preconditioned and also remote organs. IPC affecting remote organs is called remote ischaemic preconditioning. Initially, most IPC studies were focused on enhancing myocardial resistance to subsequent ischaemia and reperfusion injury. However, preconditioning was found to be a universal phenomenon and was observed in various organs and tissues including the heart, liver, brain, retina, kidney, skeletal muscles and intestine...
May 13, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28510246/molecular-cloning-and-differential-expression-of-the-glucocorticoid-receptorgene-in-the-estuarine-tapertail-anchovy-coilia-nasus
#19
F K Du, G C Xu, Y Li, Z J Nie, P Xu
To understand the regulation of the glucocorticoid receptor gene (Gcr) during loading and transport stress in fish, the Gcr gene of Coilia nasus was cloned. Gcr in C. nasus is expressed strongly in the liver and muscle, and less stronglyin the gills, brain, spleen, intestine, trunk kidney, and head kidney. Gcr expression in both the liver and muscle was increased by loading and transport stress. NaCl reduced the death rate caused by loading and transport stress, and the expression of Gcr in liver and muscle differed significantly between the NaCl and non-NaCl groups...
May 10, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28503301/is-there-a-role-for-ischaemic-conditioning-in-cardiac-surgery
#20
REVIEW
Luciano Candilio, Derek Hausenloy
Coronary artery disease (CAD) is a major cause of morbidity and mortality worldwide. Coronary artery bypass graft (CABG) surgery is the revascularisation strategy of choice in patients with diabetes mellitus and complex CAD. Owing to a number of factors, including the ageing population, the increased complexity of CAD being treated, concomitant valve and aortic surgery, and multiple comorbidities, higher-risk patients are being operated on, the result of which is an increased risk of sustaining perioperative myocardial injury (PMI) and poorer clinical outcomes...
2017: F1000Research
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