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Neuza Domingues, Luís M B B Estronca, João Silva, Marisa R Encarnação, Rita Mateus, Diogo Silva, Inês B Santarino, Margarida Saraiva, Maria I L Soares, Teresa M V D Pinho E Melo, António Jacinto, Winchil L C Vaz, Otília V Vieira
RATIONALE: Cholesteryl hemiesters are oxidation products of polyunsaturated fatty acid esters of cholesterol. Their oxo-ester precursors have been identified as important components of the "core aldehydes" of human atheromata and in oxidized lipoproteins (Ox-LDL). We had previously shown, for the first time, that a single compound of this family, cholesteryl hemisuccinate (ChS), is sufficient to cause irreversible lysosomal lipid accumulation (lipidosis), and is toxic to macrophages. These features, coupled to others such as inflammation, are typically seen in atherosclerosis...
October 26, 2016: Biochimica et Biophysica Acta
Lee Hae Rim, Koo Bon-Sang, Jeon Eun-Ok, Han Moo-Sung, Min Kyung-Cheol, Lee Seung Baek, Bae Yeonji, Mo In-Pil
Leucocytozoonosis was found in three layer farms in chickens with suspected fatty liver or fatty liver hemorrhagic syndrome in Korea between 2009 and 2011. These layer chicken flocks showed both mortality and decreased egg production for one or two weeks when they were between 59 and 82 weeks old. At the necropsy, the most prominent gross lesions were found in the liver, which was enlarged, had a fragile texture, exhibited yellowish discolorations, and had various hemorrhagic lesions. Tissue reactions associated with megaloschizonts specific for Leucocytozoon caulleryi were prominent upon microscopic examination of the liver without significant lipidosis...
October 17, 2016: Journal of Biomedical Research
Yung-Ju Chen, Angela D Myracle, Matthew A Wallig, Elizabeth H Jeffery
Western-style high fat, high sugar diets are associated with non-alcoholic fatty liver disease (NAFLD) and increased liver cancer risk. Sulforaphane from broccoli may protect against these. Previously we initiated broccoli feeding to mice prior to exposure to the hepatocarcinogen diethylnitrosamine (DEN), and saw protection against NAFLD and liver cancer. Here we administered DEN to unweaned mice, initiating broccoli feeding two weeks later, to determine if broccoli protects against cancer progression. Specifically, male 15-day-old C57BL/6J mice were given DEN and placed on a Western or Western+10%Broccoli diet from the age of 4 weeks through 7 months...
June 2016: Journal of Functional Foods
Tommaso Banzato, Enrico Fiore, Massimo Morgante, Elisabetta Manuali, Alessandro Zotti
Hepatic lipidosis is the most diffused hepatic disease in the lactating cow. A new methodology to estimate the degree of fatty infiltration of the liver in lactating cows by means of texture analysis of B-mode ultrasound images is proposed. B-mode ultrasonography of the liver was performed in 48 Holstein Friesian cows using standardized ultrasound parameters. Liver biopsies to determine the triacylglycerol content of the liver (TAGqa) were obtained from each animal. A large number of texture parameters were calculated on the ultrasound images by means of a free software...
October 2016: Research in Veterinary Science
Paolo Zambonelli, Martina Zappaterra, Francesca Soglia, Massimiliano Petracci, Federico Sirri, Claudio Cavani, Roberta Davoli
White Striping and Wooden Breast (WS/WB) are abnormalities increasingly occurring in the fillets of high breast yield and growth rate chicken hybrids. These defects lead to consistent economic losses for poultry meat industry, as affected broiler fillets present an impaired visual appearance that negatively affects consumers' acceptability. Previous studies have highlighted in affected fillets a severely damaged muscle, showing profound inflammation, fibrosis, and lipidosis. The present study investigated the differentially expressed genes and pathways linked to the compositional changes observed in WS/WB breast muscles, in order to outline a more complete framework of the gene networks related to the occurrence of this complex pathological picture...
September 2, 2016: Poultry Science
Modesta Makungu, Wencke M du Plessis, Michelle Barrows, Hermanus B Groenewald, Katja N Koeppel
The ring-tailed lemur (Lemur catta) is primarily distributed in south and southwestern Madagascar. It is classified as an endangered species by the International Union for Conservation of Nature. Various abdominal diseases, such as hepatic lipidosis, intestinal ulcers, cystitis, urinary tract obstruction, and neoplasia (e.g., colonic adenocarcinoma and cholangiocarcinoma), have been reported in this species. The aim of this study was to describe the normal radiographic and ultrasonographic abdominal anatomy in captive ring-tailed lemurs to provide guidance for clinical use...
June 2016: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
V A Kuttappan, B M Hargis, C M Owens
Myopathies are gaining the attention of poultry meat producers globally. White Striping (WS) is a condition characterized by the occurrence of white striations parallel to muscle fibers on breast, thigh, and tender muscles of broilers, while Woody Breast (WB) imparts tougher consistency to raw breast fillets. Histologically, both conditions have been characterized with myodegeneration and necrosis, fibrosis, lipidosis, and regenerative changes. The occurrence of these modern myopathies has been associated with increased growth rate in birds...
November 1, 2016: Poultry Science
Masanori Kudoh, Ken Omura, Arata Satsukawa, Koshi Matsumoto, Takahide Taguchi, Hiroyuki Harada, Yoshimasa Ishii
Symmetric lipomatosis is definitively characterized by symmetric, tumorous lipomatous proliferation of adipose tissue that often develops in the head and neck, shoulders, and upper trunk. However, in the oral region, symmetric lipomatosis of the tongue (SLT) is an extremely rare condition related to generalized lipidosis that is often caused by chronic alcoholism. It is characterized by multiple symmetric lipomatous nodules and diffuse bilateral swelling located within the tongue. We report an extremely rare case of SLT arising in an 80-year-old man with a long history of alcoholic liver cirrhosis...
2016: Case Reports in Otolaryngology
C Fourgous, M Chevreuil, F Alliot, E Amilhat, E Faliex, S Paris-Palacios, M J Teil, A Goutte
The levels and fate of phthalate metabolites have been poorly evaluated in fish, despite their potential ecotoxicological impacts. The present study aims to characterize the levels of phthalate metabolites in muscle tissue of yellow eels (Anguilla anguilla) from two coastal Mediterranean lagoons, during three sampling periods. Nine phthalate metabolites were detected in >70% of the samples. Slightly higher levels of phthalate metabolites were detected in March and June compared to October, suggesting possible seasonal variations in environmental release and/or phthalate metabolization process by eels...
November 1, 2016: Science of the Total Environment
Esen Efeoglu, Alan Casey, Hugh J Byrne
Investigation of possible adverse health effects of nanomaterials, in a rapid multi-parametric fashion, has become increasingly important, due to their increased production and potential uses in a wide range of application areas, from cosmetics to pharmaceutics. Although conventional in vitro cytotoxicological techniques provide valuable information about the particle toxicity, the importance of gaining high content information in a single assay with the analysis of multiple parameters in a non-invasive and label-free way is still one of the biggest challenges in nanotoxicology...
September 21, 2016: Analyst
Melissa Clark, Margarethe Hoenig
Obesity in pet dogs and cats is a significant problem in developed countries, and seems to be increasing in prevalence. Excess body fat has adverse metabolic consequences, including insulin resistance, altered adipokine secretion, changes in metabolic rate, abnormal lipid metabolism, and fat accumulation in visceral organs. Obese cats are predisposed to endocrine and metabolic disorders such as diabetes and hepatic lipidosis. A connection likely also exists between obesity and diabetes mellitus in dogs. No system has been developed to identify obese pets at greatest risk for development of obesity-associated metabolic diseases, and further study in this area is needed...
September 2016: Veterinary Clinics of North America. Small Animal Practice
Carrie Lester, Johanna Cooper, Rachel M Peters, Cynthia R L Webster
OBJECTIVE: To characterize the clinical presentation and outcome of dogs with acute liver failure (ALF). DESIGN: Retrospective case series from January 1995 to December 2012. SETTING: University teaching hospital. ANIMALS: Forty-nine dogs were diagnosed with ALF defined as the acute onset of clinical signs accompanied by serum hyperbilirubinemia and coagulopathy (prothrombin time >1.5 times the upper limit of the reference interval) with or without signs of hepatic encephalopathy...
July 2016: Journal of Veterinary Emergency and Critical Care
J Dill, C Brown, K Heym, A Camus
No abstract text is available yet for this article.
April 25, 2016: Journal of Fish Diseases
A Béhin, C Acquaviva-Bourdain, S Souvannanorath, N Streichenberger, S Attarian, G Bassez, M Brivet, A Fouilhoux, A Labarre-Villa, A Laquerrière, L Pérard, P Kaminsky, J Pouget, O Rigal, C Vanhulle, B Eymard, C Vianey-Saban, P Laforêt
INTRODUCTION: Late-onset multiple acyl-CoA dehydrogenase deficiency (MADD) is a rare, treatable, beta-oxidation disorder responsible for neuromuscular symptoms in adults. This case series describes the clinical and biochemical features of 13 French patients with late-onset MADD. METHODS AND RESULTS: Thirteen ambulant patients (eight women, five men), with a median age at onset of 27 years, initially experienced exercise intolerance (n=9), isolated muscle weakness (n=1) and a multisystemic pattern with either central nervous system or hepatic dysfunction (n=3)...
March 2016: Revue Neurologique
Maja Jordanova, Katerina Rebok, Zrinka Dragun, Sheriban Ramani, Lozenka Ivanova, Vasil Kostov, Damir Valić, Nesrete Krasnići, Vlatka Filipović Marijić, Damir Kapetanović
Many natural freshwater ecosystems, especially in the north eastern Macedonia, are polluted with heavy metals, which are released by active mines. Long-term exposure to high levels of dissolved metals might result in increased metal bioaccumulation in organs of aquatic organisms, and consequently might cause various sub-toxic and toxic effects. The aim of this study was to assess the health of Vardar chub (Squalius vardarensis) inhabiting mining impacted rivers Zletovska and Kriva, in comparison with chub from the reference Bregalnica River...
July 2016: Ecotoxicology and Environmental Safety
Satoshi Takasaki, Kunihiko Maeda, Kensuke Joh, Shu Yamakage, Sachiko Fukase, Toshiyuki Takahashi, Masayuki Suzuki, Akira Matsunaga, Takao Saito
Lipoprotein glomerulopathy (LPG) is characterized by histopathological features showing intra-glomerular lipoprotein thrombi and type III hyperlipoproteinemia (HLP), with heterozygote mutation of apolipoprotein (apo) E gene. On the other hand, as another renal lipidosis with type III HLP, apoE2 homozygote-related glomerulopathy (apoE2-GN) showing foamy macrophages has been reported. The case of a 25-year-old man who had LPG by clinical behavior and gene analysis, but demonstrated atypical histopathological features with a substantial amount of foamy macrophage infiltration in the glomeruli, is presented...
September 2015: Case Reports in Nephrology and Dialysis
Cristiane Ronchi de Oliveira, Leonardo Fernandes Fraceto, Gisele Miglioranza Rizzi, Raquel Fernanda Salla, Fábio Camargo Abdalla, Monica Jones Costa, Elaine Cristina Mathias Silva-Zacarin
The use of agrochemicals in agriculture is intense and most of them could be carried out to aquatic environment. Nevertheless, there are only few studies that assess the effects of these xenobiotics on amphibians. Clomazone is an herbicide widely used in rice fields, where amphibian species live. Thus, those species may be threatened by non-target exposure. However, nanoparticles are being developed to be used as a carrier system for the agrochemicals. Such nanoparticles release the herbicide in a modified way, and are considered to be more efficient and less harmful to the environment...
April 2016: Chemosphere
Yung-Ju Chen, Matthew A Wallig, Elizabeth H Jeffery
BACKGROUND: The high-fat and high-sugar Westernized diet that is popular worldwide is associated with increased body fat accumulation, which has been related to the development of nonalcoholic fatty liver disease (NAFLD). Without treatment, NAFLD may progress to hepatocellular carcinoma (HCC), a cancer with a high mortality rate. The consumption of broccoli in the United States has greatly increased in the last 2 decades. Epidemiologic studies show that incorporating brassica vegetables into the daily diet lowers the risk of several cancers, although, to our knowledge, this is the first study to evaluate HCC prevention through dietary broccoli...
March 2016: Journal of Nutrition
Tatyana A Korolenko, Thomas P Johnston, Fedor V Tuzikov, Natalia A Tuzikova, Alexandr B Pupyshev, Victor K Spiridonov, Natalya V Goncharova, Igor V Maiborodin, Natalia A Zhukova
BACKGROUND: The aims of this study were to evaluate the effect of poloxamer 407 administration on atherogenic serum lipoprotein fractions and subfractions associated with cholesterol, triglycerides and phospholipids, as well as the onset of early atherosclerosis, in mice. METHODS: Mice were administered either sterile saline or poloxamer 407 (to induce a dose-controlled hyperlipidemia) for 1 month and then sacrificed at 1, 4 and 10 days after the last dose of poloxamer 407...
2016: Lipids in Health and Disease
H Anholt, C Himsworth, A Britton
Two 4-year-old spayed female Siamese cats were seized by the British Columbia Society for the Prevention of Cruelty to Animals after confinement to an abandoned housing unit without food for 9 weeks. One cat was found dead, and the second was euthanized within 24 hours due to neurologic deterioration despite therapy. Polioencephalomalacia of the caudal colliculus, hepatic lipidosis, cachexia, and congestive heart failure with cardiomyocyte atrophy were identified in both cats through postmortem examination and attributed to a prolonged period of starvation...
July 2016: Veterinary Pathology
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