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https://www.readbyqxmd.com/read/29792900/the-sulfoconjugation-of-androstenone-and-dehydroepiandrosterone-by-human-and-porcine-sulfotransferase-enzymes
#1
Heidi Laderoute, Christine Bone, E James Squires
Porcine sulfotransferase 2A1 (pSULT2A1) is a key enzyme involved in the testicular and hepatic sulfoconjugation of steroids such as dehydroepiandrosterone (DHEA) and potentially androstenone. This latter steroid is a major cause of boar taint, which is an unpleasant off-odour and off-flavour in pork from male pigs. Sulfotransferase 2B1 (pSULT2B1) may also be important, although no direct evidence exists for its involvement in sulfoconjugation of steroids. The purpose of this study was to investigate the sulfoconjugation activity of human and porcine sulfotransferases towards DHEA and androstenone...
May 21, 2018: Steroids
https://www.readbyqxmd.com/read/29792586/the-incubation-period-of-hepatitis-e-genotype-1-insights-from-pooled-analyses-of-travellers
#2
A S Azman, I Ciglenecki, C Oeser, B Said, R S Tedder, S Ijaz
Hepatitis E virus genotype 1 (HEV G1) is an important cause of morbidity and mortality in Africa and Asia. HEV G1's natural history, including the incubation period, remains poorly understood, hindering surveillance efforts and effective control. Using individual-level data from 85 travel-related HEV G1 cases in England and Wales, we estimate the incubation period distribution using survival analysis methods, which allow for appropriate inference when only time ranges, rather than exact times are known for the exposure to HEV and symptom onset...
May 24, 2018: Epidemiology and Infection
https://www.readbyqxmd.com/read/29792584/neonatal-intake-of-oleanolic-acid-attenuates-the-subsequent-development-of-high-fructose-diet-induced-non-alcoholic-fatty-liver-disease-in-rats
#3
T T Nyakudya, E Mukwevho, P Nkomozepi, K H Erlwanger
Dietary manipulations during the early postnatal period are associated with the development of metabolic disorders including non-alcoholic fatty liver disease (NAFLD) or long-term protection against metabolic dysfunction. We investigated the potential hepatoprotective effects of neonatal administration of oleanolic acid (OA), a phytochemical, on the subsequent development in adulthood, of dietary fructose-induced NAFLD. Male and female suckling rats (n=112) were gavaged with; distilled water (DW), OA (60 mg/kg), high fructose solution (HF; 20% w/v) and OA+HF (OAHF) for 7 days...
May 24, 2018: Journal of Developmental Origins of Health and Disease
https://www.readbyqxmd.com/read/29792083/a-systematic-review-and-meta-analysis-of-the-association-between-vitamin-a-intake-serum-vitamin-a-and-risk-of-liver-cancer
#4
Nattawut Leelakanok, Ronilda R D'Cunha, Grerk Sutamtewagul, Marin L Schweizer
BACKGROUND: Previous evidence supports that vitamin A decreases the risk of several types of cancer. However, the association between vitamin A and liver cancer is inconclusive. AIM: This systematic review and meta-analysis summarizes the existing literature, discussing the association between vitamin A intake, serum vitamin A, and liver cancer in adult populations. METHODS: A systematic literature review was performed by searching the EMBASE, PubMed, Scopus and International Pharmaceutical Abstract databases using terms related to vitamin A (e...
January 1, 2018: Nutrition and Health
https://www.readbyqxmd.com/read/29791982/-management-of-intrahepatic-duct-stone
#5
REVIEW
Sang Woo Cha
Intrahepatic duct (IHD) stone is the presence of calculi within the intrahepatic bile duct specifically located proximal to the confluence of the left and right hepatic ducts. This stone is characterized by its intractable nature and frequent recurrence, requiring multiple therapeutic interventions. Without proper treatment, biliary strictures and retained stones can lead to repeated episodes of cholangitis, liver abscesses, secondary biliary cirrhosis, portal hypertension, and death from sepsis or hepatic failure...
May 25, 2018: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/29791596/treatment-with-ilex-paraguariensis-yerba-mate-aqueous-solution-prevents-hepatic-redox-imbalance-elevated-triglycerides-and-microsteatosis-in-overweight-adult-rats-that-were-precociously-weaned
#6
E de Oliveira, N S Lima, E P S Conceição, N Peixoto-Silva, E G Moura, P C Lisboa
Early weaning (EW) leads to overweight, visceral obesity, hyperleptinemia, and insulin resistance in adulthood. Treatment with Ilex paraguariensis (yerba mate) improves obesity and insulin resistance in these animals. Here, we evaluated the effects of chronic treatment with yerba mate on the redox balance and liver morphology of overweight early-weaned rats. To induce EW, we wrapped the dams with bandages to interrupt milk access during the last 3 days of lactation. Control pups (C) had free access to maternal milk for the full 21 days of lactation...
2018: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/29791422/prevalence-of-non-a-to-e-hepatitis-in-mumbai-india
#7
Nishtha Nagral, Vrunda Joshi, Karan Baria, Pathik Parikh, Aabha Nagral, Jayanthi Shastri, Chandrakant Pawar
INTRODUCTION: Acute viral hepatitis is a common problem in India. World wide data shows that 5 to 20 percent of this is caused by non A-E hepatitis. There is no data in India regarding non A-E hepatitis. We carried out this study to evaluate the epidemiology, clinical features, risk factors and outcome of non A-E hepatitis. MATERIAL AND METHODS: In this single centre study, we evaluated all patients admitted with features of acute viral hepatitis at our hospital between the period of February to July 2015...
January 2018: Revista de Gastroenterología del Perú: órgano Oficial de la Sociedad de Gastroenterología del Perú
https://www.readbyqxmd.com/read/29790582/acetyl-coa-carboxylase-inhibition-reverses-nafld-and-hepatic-insulin-resistance-but-promotes-hypertriglyceridemia-in-rodents
#8
Leigh Goedeke, Jamie Bates, Daniel F Vatner, Rachel J Perry, Ting Wang, Ricardo Ramirez, Li Li, Matthew W Ellis, Dongyan Zhang, Kari E Wong, Carine Beysen, Gary W Cline, Adrian S Ray, Gerald I Shulman
Pharmacologic inhibition of acetyl-CoA carboxylase (ACC) enzymes, ACC1 and ACC2, offers an attractive therapeutic strategy for non-alcoholic fatty liver disease (NAFLD) via simultaneous inhibition of fatty acid synthesis and stimulation of fatty acid oxidation. However, the effects of ACC inhibition on hepatic mitochondrial oxidation, anaplerosis, and ketogenesis in vivo are unknown. Here, we evaluated the impact of a novel liver-directed allosteric inhibitor of ACC1 and ACC2 (Compound 1) on these parameters, as well as glucose and lipid metabolism, in control and diet-induced rodent models of NAFLD...
May 23, 2018: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29790091/effects-of-acute-hyperglycemia-stress-on-plasma-glucose-glycogen-content-and-expressions-of-glycogen-synthase-and-phosphorylase-in-hybrid-grouper-epinephelus-fuscoguttatus-%C3%A2-%C3%A3-e-lanceolatus-%C3%A2
#9
Songlin Li, Chunyan Sang, Jiacan Zhang, Naisong Chen, Ziqiang Li, Pengfei Jin, Xuxiong Huang
In the present study, the hybrid grouper (Epinephelus fuscoguttatus ♀ × E. lanceolatus ♂), a typical carnivorous fish, was chosen as a model to investigate the regulation of glycogen metabolism owning to its characteristic of glucose intolerance. The variation of plasma glucose concentration, glycogen content, and expressions of glycogen metabolism-related genes under acute hyperglycemia stress were measured. Following glucose administration, plasma glucose concentration increased immediately, and the glucose level remained elevated for at least 12 h...
May 22, 2018: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/29789565/the-wide-utility-of-rabbits-as-models-of-human-diseases
#10
REVIEW
Pedro J Esteves, Joana Abrantes, Hanna-Mari Baldauf, Lbachir BenMohamed, Yuxing Chen, Neil Christensen, Javier González-Gallego, Lorenzo Giacani, Jiafen Hu, Gilla Kaplan, Oliver T Keppler, Katherine L Knight, Xiang-Peng Kong, Dennis K Lanning, Jacques Le Pendu, Ana Lemos de Matos, Jia Liu, Shuying Liu, Ana M Lopes, Shan Lu, Sheila Lukehart, Yukari C Manabe, Fabiana Neves, Grant McFadden, Ruimin Pan, Xuwen Peng, Patricia de Sousa-Pereira, Ana Pinheiro, Masmudur Rahman, Natalie Ruvoën-Clouet, Selvakumar Subbian, Maria Jesús Tuñón, Wessel van der Loo, Michael Vaine, Laura E Via, Shixia Wang, Rose Mage
Studies using the European rabbit Oryctolagus cuniculus contributed to elucidating numerous fundamental aspects of antibody structure and diversification mechanisms and continue to be valuable for the development and testing of therapeutic humanized polyclonal and monoclonal antibodies. Additionally, during the last two decades, the use of the European rabbit as an animal model has been increasingly extended to many human diseases. This review documents the continuing wide utility of the rabbit as a reliable disease model for development of therapeutics and vaccines and studies of the cellular and molecular mechanisms underlying many human diseases...
May 22, 2018: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/29789486/prevalence-and-risk-factors-for-hepatitis-b-virus-infection-in-roma-and-non-roma-people-in-slovakia
#11
Sylvia Drazilova, Martin Janicko, Pavol Kristian, Ivan Schreter, Monika Halanova, Ingrid Urbancikova, Andrea Madarasova-Geckova, Maria Marekova, Daniel Pella, Peter Jarcuska
Prevalence of Hepatitis B is relatively low in developed European countries. However specific subpopulations may exist within each country with markedly different Hepatitis B burden. Roma minority is very numerous in Slovakia and their lifestyle is completely different to non-Roma population. The aim of this study is to map Hepatitis B prevalence in Roma and compare it to non-Roma population and to explore potential socio-economic and health related risk factors. Cross-sectional epidemiology study was performed in Slovakia that included randomly sampled Roma population and geographically corresponding random sampled non-Roma population...
May 22, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29788811/central-ecmo-for-circulatory-failure-following-pediatric-liver-transplantation
#12
John P Scott, Johnny C Hong, Nathan E Thompson, Ronald K Woods, George M Hoffman
We describe the case of a 4-year-old male with a past medical history significant for nephrotic syndrome, short-bowel syndrome and fulminant hepatic failure status post (s/p) liver transplant (LT) who developed early post-transplant allograft dysfunction (hyperbilirubinemia, coagulopathy) and septic shock requiring central extracorporeal membrane oxygenation (ECMO). He remained on ECMO for 85 hours before he was decannulated without event and later underwent repeat LT. This case highlights the potential of central ECMO to provide the circulatory output necessary to reverse distributive shock physiology in patients with sepsis and hepatic dysfunction following LT...
May 1, 2018: Perfusion
https://www.readbyqxmd.com/read/29788538/hepatitis-e-virus-in-south-america-the-current-scenario
#13
María Belén Pisano, Maribel Martínez Wassaf, Santiago Mirazo, Anabella Fantilli, Juan Arbiza, José Debes, Viviana E Ré
Hepatitis E virus (HEV) is one of the most frequent causes of acute viral hepatitis of enteric transmission worldwide. In South America the overall epidemiology has been little studied, and the burden of the disease remains largely unknown. A research of all scientific articles about HEV circulation in South America until November 2017 was carried out. Human seroprevalences of HEV varied according to the studied population: blood donors presented prevalence rates ranging from 1.8 to 9.8%, while reports from HIV-infected individuals, transplant recipients and patients on hemodialysis showed higher prevalence rates...
May 22, 2018: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/29787966/injection-drug-use-hiv-hcv-and-related-services-in-nonurban-areas-of-the-united-states-a-systematic-review
#14
REVIEW
Catherine E Paquette, Robin A Pollini
BACKGROUND: Injection drug use (IDU) in nonurban areas of the United States is a growing public health concern, but there has been no comprehensive assessment of existing research on injection-related HIV and hepatitis C (HCV) in nonurban communities. We conducted a systematic review to assess the current literature and identify knowledge gaps. METHODS: We systematically searched six databases for relevant articles published between January 1990 and June 2016 and screened, extracted, and analyzed the resulting data...
May 8, 2018: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/29787859/design-and-rationale-of-the-insyte-study-a-randomised-placebo-controlled-study-to-test-the-efficacy-of-a-synbiotic-on-liver-fat-disease-biomarkers-and-intestinal-microbiota-in-non-alcoholic-fatty-liver-disease
#15
Eleonora Scorletti, Paul R Afolabi, Elizabeth A Miles, Debbie E Smith, Amal Almehmadi, Albandri Alshathry, Helen E Moyses, Geraldine F Clough, Mark Wright, Janisha Patel, Laure Bindels, Nathalie M Delzenne, Philip C Calder, Christopher D Byrne
BACKGROUND: Non-alcoholic fatty liver disease (NAFLD) represents a spectrum of fat-related conditions ranging from simple fatty liver, to non-alcoholic steatohepatitis (NASH), fibrosis and cirrhosis. There is growing evidence that NAFLD is a multisystem disease, affecting several extra-hepatic organs and regulatory pathways. Furthermore, since the gut and liver are linked anatomically via the portal vein, disturbances of the gut microbiota (dysbiosis) can affect the liver. OBJECTIVES: In patients with NAFLD, we are testing the effects of a synbiotic which is the combination of a prebiotic (fructooligosaccharides; 4 g/day) and a probiotic (Bifidobacterium animalis subsp...
May 19, 2018: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/29787817/analysis-of-hepatitis-b-virus-infection-in-blood-sera-using-raman-spectroscopy-and-machine-learning
#16
Saranjam Khan, Rahat Ullah, Asifullah Khan, Ruby Ashraf, Hina Ali, Muhammad Bilal, Muhammad Saleem
This study presents the analysis of hepatitis B virus (HBV) infection in human blood serum using Raman spectroscopy combined with pattern recognition technique. In total 119 confirmed samples of HBV infected sera, collected from Pakistan Atomic Energy Commission (PAEC) general hospital have been used for the current analysis. The differences between normal and HBV infected samples have been evaluated using support vector machine (SVM) algorithm. SVM model with two different kernels i.e. polynomial function and Gaussian radial basis function (RBF) have been investigated for the classification of normal blood sera from HBV infected sera based on Raman spectral features...
May 19, 2018: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/29787589/high-seroprevalence-of-hepatitis-e-virus-in-the-ethnic-minority-populations-in-yunnan-china
#17
Yue Feng, Yue-Mei Feng, Songmei Wang, Fang Xu, Xuehui Zhang, Chunyue Zhang, Yuanyuan Jia, Wanru Yang, Xueshan Xia, Jianzhong Yin
Hepatitis E virus (HEV) infection is relatively high in the southern regions of China. Yunnan, located in southwestern China, has the highest number of ethnic groups. However, HEV infection in the ethnic population is largely unknown. Therefore, we aimed to investigate the seropositive rate, risk factor, and clinical impact of HEV infection in the ethnic groups of Yunnan. We recruited 1912 individuals from four minority groups in three prefectures of Yunnan province. Epidemiological records on potential risk factors for exposure to HEV and blood biochemical index were analyzed...
2018: PloS One
https://www.readbyqxmd.com/read/29786562/application-of-hepatocyte-like-cells-to-enhance-hepatic-safety-risk-assessment-in-drug-discovery
#18
REVIEW
Dominic P Williams
Hepatic stress and injury from drugs continues to be a major concern within the pharmaceutical industry, leading to preclinical and clinical attrition precautionary warnings and post-market withdrawal of drugs. There is a requirement for more predictive and mechanistically accurate models to aid risk assessment. Primary human hepatocytes, subject to isolation stress, cryopreservation, donor-to-donor variation and a relatively short period of functional capability in two-dimensional cultures, are not suitable for high-throughput screening procedures...
July 5, 2018: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/29786110/multi%C3%A2-layered-prevention-and-treatment-of-chronic-inflammation-organ-fibrosis-and-cancer-associated-with-canonical-wnt-%C3%AE-%C3%A2-catenin-signaling-activation-review
#19
Masaru Katoh
β‑catenin/CTNNB1 is an intracellular scaffold protein that interacts with adhesion molecules (E‑cadherin/CDH1, N‑cadherin/CDH2, VE‑cadherin/CDH5 and α‑catenins), transmembrane‑type mucins (MUC1/CD227 and MUC16/CA125), signaling regulators (APC, AXIN1, AXIN2 and NHERF1/EBP50) and epigenetic or transcriptional regulators (BCL9, BCL9L, CREBBP/CBP, EP300/p300, FOXM1, MED12, SMARCA4/BRG1 and TCF/LEF). Gain‑of‑function CTTNB1 mutations are detected in bladder cancer, colorectal cancer, gastric cancer, liver cancer, lung cancer, pancreatic cancer, prostate cancer and uterine cancer, whereas loss‑of‑function CTNNB1 mutations are also detected in human cancer...
May 17, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29785877/hepatitis-b-virus-lymphotropism-emerging-details-and-challenges
#20
Shivali S Joshi, Carla S Coffin
The hepatitis B virus (HBV) is predominantly a hepatotropic virus but also infects cells of the lymphatic system. HBV genomes (DNA, messenger (m)RNA, covalently closed circular (ccc) DNA) and proteins have been found in extrahepatic sites such as peripheral blood mononuclear cells (PBMC), lymph nodes, spleen, bone marrow and cerebrospinal fluid. HBV entry into hepatocytes occurs by binding of the HBV preS1 surface protein to its specific receptor, the bile acid transporter, sodium taurocholate co-transporting polypeptide (NTCP)...
May 22, 2018: Biotechnology & Genetic Engineering Reviews
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