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https://www.readbyqxmd.com/read/29774177/the-new-direct-antiviral-agents-and-hepatitis-c-in-thoracic-transplantation-impact-on-donors-and-recipients
#1
REVIEW
Robert L Gottlieb, Shelley A Hall
Purpose of Review: The landscape of abdominal organ transplantation has been altered by the emergence of curative direct-acting antiviral agents for hepatitis C. Expansion of the thoracic donor pool to include the hearts and the lungs from hepatitis C-positive donors holds promise to increase available donor organs. Recent Findings: Case reports have documented separate lung and heart transplant patients who acquired, and then were cured of, donor-derived hepatitis C using these newer, more effective therapies...
2018: Current Transplantation Reports
https://www.readbyqxmd.com/read/29773145/pathological-and-molecular-characterization-of-systemic-isosporosis-atoxoplasmosis-in-captive-green-winged-saltator-saltator-similis
#2
Ayisa Rodrigues de Oliveira, Tayse Domingues de Souza, Juliana P S Mol, Mayra Cunha Flecher, Emy Hiura, Renato Lima Santos
Systemic isosporosis, also called atoxoplasmosis or visceral coccidiosis, is a disease that affects birds in general. Pathogenesis of systemic isosporosis and its etiologic agent have not been well characterized, but taxonomically Atoxoplasma is currently considered a junior objective synonym of Isospora. The present report aimed to describe pathological and molecular findings of systemic isosporosis in captive green-winged saltators (Saltator similis) from the State of Espírito Santo, Brazil. In a commercial breeding facility eleven birds with two to nine months of age died from 2015 to 2016...
May 15, 2018: Veterinary Parasitology
https://www.readbyqxmd.com/read/29751583/blood-pressure-lowering-effect-of-cuban-policosanol-is-accompanied-by-improvement-of-hepatic-inflammation-lipoprotein-profile-and-hdl-quality-in-spontaneously-hypertensive-rats
#3
Kyung-Hyun Cho, Dhananjay Yadav, Suk-Jeong Kim, Jae-Ryong Kim
We investigated the antihypertensive effect of policosanol on spontaneously hypertensive rats (SHR). For this, we analyzed blood pressure, blood lipid, and lipoprotein properties in male SHR after consumption of Cuban policosanol (PCO). The experimental groups were as follows: normotensive Wistar Kyoto (WKY) control, SHR group fed normal diet (ND), SHR group fed 20 mg of PCO, SHR group fed 100 mg of PCO, and SHR group fed 200 mg of PCO per kg of body weight. After eight weeks, the SHR control group showed gradual increases up to 21% in systolic blood pressure (SBP) and diastolic blood pressure (DBP) compared with values at week 0...
May 3, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29733939/ethnic-differences-and-comorbidities-of-909-prurigo-nodularis-patients
#4
Emily Boozalis, Olive Tang, Shivani Patel, Yevgeniy R Semenov, Manuel P Pereira, Sonja Stander, Sewon Kang, Shawn G Kwatra
BACKGROUND: Prurigo Nodularis (PN) is a poorly understood, understudied pruritic dermatosis that reduces quality of life. OBJECTIVE: To characterize the demographics and comorbidities associated with PN. METHODS: Cross-sectional study of patients ≥ 18 years old seen at the Johns Hopkins Health System (JHHS) between 12/6/2012-12/6/2017. RESULTS: Over the last five years, 909 patients with PN were seen at JHHS. African-American patients were 3...
May 4, 2018: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/29710288/the-drug-overdose-epidemic-and-deceased-donor-transplantation-in-the-united-states-a-national-registry-study
#5
Christine M Durand, Mary G Bowring, Alvin G Thomas, Lauren M Kucirka, Allan B Massie, Andrew Cameron, Niraj M Desai, Mark Sulkowski, Dorry L Segev
Background: The epidemic of drug overdose deaths in the United States has led to an increase in organ donors. Objective: To characterize donors who died of overdose and to analyze outcomes among transplant recipients. Design: Prospective observational cohort study. Setting: Scientific Registry of Transplant Recipients, 1 January 2000 to 1 September 2017. Participants: 138 565 deceased donors; 337 934 transplant recipients at 297 transplant centers...
April 17, 2018: Annals of Internal Medicine
https://www.readbyqxmd.com/read/29682407/kill-two-birds-with-one-stone-making-multi-transgenic-pre-diabetes-mouse-models-through-insulin-resistance-and-pancreatic-apoptosis-pathogenesis
#6
Siyuan Kong, Jinxue Ruan, Kaiyi Zhang, Bingjun Hu, Yuzhu Cheng, Yubo Zhang, Shulin Yang, Kui Li
Background: Type 2 diabetes is characterized by insulin resistance accompanied by defective insulin secretion. Transgenic mouse models play an important role in medical research. However, single transgenic mouse models may not mimic the complex phenotypes of most cases of type 2 diabetes. Methods: Focusing on genes related to pancreatic islet damage, peripheral insulin resistance and related environmental inducing factors, we generated single-transgenic (C/EBP homology protein, CHOP) mice (CHOP mice), dual-transgenic (human islet amyloid polypeptide, hIAPP; CHOP) mice (hIAPP-CHOP mice) and triple-transgenic (11β-hydroxysteroid dehydrogenase type 1, 11β-HSD1; hIAPP; CHOP) mice (11β-HSD1-hIAPP- CHOP mice)...
2018: PeerJ
https://www.readbyqxmd.com/read/29662642/successful-retreatment-with-grazoprevir-and-elbasvir-for-patients-infected-with-hepatitis-c-virus-genotype-1b-who-discontinued-prior-treatment-with-ns5a-inhibitor-including-regimens-due-to-adverse-events
#7
Tatsuo Kanda, Shin Yasui, Masato Nakamura, Shingo Nakamoto, Koji Takahashi, Shuang Wu, Reina Sasaki, Yuki Haga, Sadahisa Ogasawara, Tomoko Saito, Kazufumi Kobayashi, Soichiro Kiyono, Yoshihiko Ooka, Eiichiro Suzuki, Tetsuhiro Chiba, Hitoshi Maruyama, Mitsuhiko Moriyama, Naoya Kato
Background: Sustained virologic response (SVR) by interferon and interferon-free treatment can results in the reduction of advanced liver fibrosis and the occurrence of hepatocellular carcinoma in patients infected with hepatitis C virus (HCV). Recent interferon-free treatment for HCV shortens the duration of treatment and leads to higher SVR rates, without any serious adverse events. However, it is important to retreat patients who have had treatment-failure with HCV non-structural protein 5A (NS5A) inhibitor-including regimens...
March 23, 2018: Oncotarget
https://www.readbyqxmd.com/read/29626439/regulation-of-dichloroacetate-biotransformation-in-rat-liver-and-extrahepatic-tissues-by-gstz1-expression-and-chloride-concentration
#8
Stephan C Jahn, Marci G Smeltz, Zhiwei Hu, Laura Rowland-Faux, Guo Zhong, Ryan J Lorenzo, Katherine V Cisneros, Peter W Stacpoole, Margaret O James
Biotransformation of dichloroacetate (DCA) to glyoxylate by hepatic glutathione transferase zeta 1 (GSTZ1) is considered the principal determinant of the rate of plasma clearance of the drug. However, several other organismal and subcellular factors are also known to influence DCA metabolism. We utilized a female rat model to study these poorly understood processes. Rats aged 4 weeks (young) and 42 to 52 weeks (adult) were used to model children and adults, respectively. Hepatic chloride concentrations, which influence the rate of GSTZ1 inactivation by DCA, were lower in rat than in human tissues and rats did not show the age dependence previously seen in humans...
April 4, 2018: Biochemical Pharmacology
https://www.readbyqxmd.com/read/29621698/plasma-methionine-and-risk-of-acute-myocardial-infarction-effect-modification-by-established-risk-factors
#9
Indu Dhar, Vegard Lysne, Reinhard Seifert, Gard F T Svingen, Per M Ueland, Ottar K Nygård
BACKGROUND AND AIMS: Methionine (Met) is an essential amino acid involved in methylation reactions and lipid metabolism. A Met-deficient diet may cause hepatic lipid accumulation, which is considered an independent risk factor for atherosclerosis. However, the prospective relationship between circulating Met and incident acute myocardial infarction (AMI) is unknown. METHODS: We studied the associations of plasma Met and incident AMI in 4156 patients (77% men; median age 62 years) with stable angina pectoris, among whom the majority received lipid lowering therapy with statins...
May 2018: Atherosclerosis
https://www.readbyqxmd.com/read/29607054/non-alcoholic-steatofibrosis-nasf-can-independently-predict-mortality-in-patients-with-non-alcoholic-fatty-liver-disease-nafld
#10
Pegah Golabi, Maria Stepanova, Huong T Pham, Rebecca Cable, Nila Rafiq, Haley Bush, Trevor Gogoll, Zobair M Younossi
Background: Hepatic fibrosis in patients with non-alcoholic fatty liver disease (NAFLD) independently predicts mortality. Given liver biopsy's invasive nature, non-invasive method to assess hepatic steatosis and fibrosis provides NAFLD risk stratification algorithm in clinical practice. NAFLD fibrosis score (NFS) is simple and non-invasive predictive model recommended by American Association for the Study of Liver Disease (AASLD) Guideline to identify patients with NAFLD with fibrosis risk...
2018: BMJ Open Gastroenterology
https://www.readbyqxmd.com/read/29561173/evaluation-of-statin-eligibility-prescribing-practices-and-therapeutic-responses-using-atp-iii-acc-aha-and-nla-dyslipidemia-treatment-guidelines-in-a-large-urban-cohort-of-hiv-infected-outpatients
#11
Matthew E Levy, Alan E Greenberg, Manya Magnus, Naji Younes, Amanda Castel
Statin coverage has been examined among HIV-infected patients using Adult Treatment Panel III (ATP III) and American College of Cardiology/American Heart Association (ACC/AHA) guidelines, although not with newer National Lipid Association (NLA) guidelines. We investigated statin eligibility, prescribing practices, and therapeutic responses using these three guidelines. Sociodemographic, clinical, and laboratory data were collected between 2011 and 2016 for HIV-infected outpatients enrolled in the DC Cohort, a multi-center, prospective, observational study in Washington, DC...
February 2018: AIDS Patient Care and STDs
https://www.readbyqxmd.com/read/29559777/biodistribution-pharmacokinetics-and-toxicity-of-dendrimer-coated-iron-oxide-nanoparticles-in-balb-c-mice
#12
Marzieh Salimi, Saeed Sarkar, Samaneh Fathi, Ali Mohammad Alizadeh, Reza Saber, Fatemeh Moradi, Hamid Delavari
Background: The possibility of using a specific nanoparticle in nanomedicine highly depends on its biodistribution profile and biocompatibility. Due to growing demand for iron oxide nanoparticles (IONPs) and dendrimers in biomedical applications, this study was performed to assess the biodistribution, pharmacokinetics, and toxicity of dendrimer-coated iron oxide nanoparticles (G4 @IONPs). Materials and methods: IONPs were synthesized via co-precipitation and coated with the fourth generation (G4 ) of polyamidoamine (PAMAM) dendrimer...
2018: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/29555199/cloning-tissue-distribution-functional-characterization-and-nutritional-regulation-of-a-fatty-acyl-elovl5-elongase-in-chu-s-croaker-nibea-coibor
#13
Zhideng Lin, Yisheng Huang, Weiguang Zou, Hua Rong, Meiling Hao, Xiaobo Wen
Enzymes that lengthen the carbon chain of polyunsaturated fatty acids (PUFA) are key to the biosynthesis of the long-chain polyunsaturated fatty acids (LC-PUFA). Here we report on the molecular cloning, tissue distribution, functional characterization and nutritional regulation of a elovl5 gene from Nibea coibor. The full-length cDNA was 1315 bp, including a 5-untranslated region (UTR) of 134 bp, a 3-UTR of 296 bp and an open reading frame of 885 bp, which specified a peptide of 294 amino acids. Bioinformatics analysis showed that the deduced peptide sequence possessed all the characteristic features of microsomal fatty acyl elongases, including the so-called histidine box (HXXHH), the canonical C-terminal endoplasmic reticulum retention signal, several predicted transmembrane regions and other highly conserved motifs...
March 16, 2018: Gene
https://www.readbyqxmd.com/read/29530322/early-outcomes-using-hepatitis-c-positive-donors-for-cardiac-transplantation-in-the-era-of-effective-direct-acting-anti-viral-therapies
#14
Kelly H Schlendorf, Sandip Zalawadiya, Ashish S Shah, Mark Wigger, Chan Y Chung, Sarah Smith, Matthew Danter, Chun W Choi, Mary E Keebler, D Marshall Brinkley, Suzanne Brown Sacks, Henry Ooi, Roman Perri, Joseph A Awad, Samuel Lewis, Rachel Hayes, Heather O'Dell, Callie Darragh, Alicia Carver, Cori Edmonds, Shelley Ruzevich-Scholl, JoAnn Lindenfeld
BACKGROUND: Given the shortage of suitable donor hearts for cardiac transplantation, and the favorable safety and efficacy of current agents used to treat hepatitis C virus (HCV), our institution recently piloted transplantation of select patients using HCV-positive donors. METHODS: Between September 2016 and March 2017, 12 HCV-naive patients and 1 patient with a history of treated HCV underwent heart transplantation (HT) using hearts from HCV-positive donors after informed consent...
January 31, 2018: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/29529682/-second-austrian-consensus-on-the-safe-use-of-anti-tnf%C3%AE-antibodies-in-patients-with-inflammatory-bowel-diseases
#15
Wolfgang Miehsler, Clemens Dejaco, Hans-Peter Gröchenig, Harry Fuchssteiner, Christoph Högenauer, Lili Kazemi-Shirazi, Harald Maier, Andreas Mayer, Alexander Moschen, Walter Reinisch, Wolfgang Petritsch, Reingard Platzer, Pius Steiner, Herbert Tilg, Harald Vogelsang, Heimo Wenzl, Gottfried Novacek
Anti-TNFα-antibodies have revolutionized the therapy of inflammatory bowel diseases and other immune-mediated inflammatory diseases. Due to the increasing application of these substances, the Working Group of Inflammatory Bowel Diseases of the Austrian Association of Gastroenterology and Hepatology intended to update their consensus report on the safe use of Infliximab (published in 2010) and to enlarge its scope to cover all anti-TNFα-antibodies. The present consensus report summarizes the current evidence on the safe use of anti-TNFα-antibodies and covers the following topics: general risk of infection, bacterial infections (i...
March 2018: Zeitschrift Für Gastroenterologie
https://www.readbyqxmd.com/read/29514173/curative-therapy-of-a-hepatitis-c-infection-due-to-an-infected-heart-donor-5-year-outcomes-after-heart-transplantation
#16
Khalil Jawad, Stefan Feder, Markus Barten, Jens Garbade
Heart transplantation is the gold standard therapy for patients diagnosed with end-stage heart failure. Despite the shortage of appropriate donor organs, the transplantation of hepatitis C-infected hearts is disputed. Previous research has shown that long-term results are controversial, and the risk of severe clinical infection should not be underestimated.
March 3, 2018: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29505646/prevalence-of-hcv-infection-in-adults-with-congenital-heart-disease-and-treatment-with-direct-antiviral-agents
#17
Ajay Reddy Gade, Manisha Patel, Donna R West, Gary A Abrams
OBJECTIVES: Hepatitis C virus (HCV) infection affects >3% of the US population, which over time can lead to cirrhosis and hepatocellular carcinoma. The lack of a reliable screening method for HCV before 1992 resulted in a higher prevalence of the virus in adults with congenital heart disease who underwent corrective surgery that required blood transfusions. Direct-acting antiviral agents such as sofosbuvir/ledipasvir have significantly increased the efficacy of HCV therapy, although use of these medications in adults with congenital heart disease has not been described...
March 2018: Southern Medical Journal
https://www.readbyqxmd.com/read/29504509/chronic-hepatitis-e-in-a-heart-transplant-patient-sofosbuvir-and-ribavirin-regimen-not-fully-effective
#18
Eve Todesco, Alessandra Mazzola, Sepideh Akhavan, Florence Abravanel, Thierry Poynard, Anne-Marie Roque-Afonso, Gilles Peytavin, Anne-Geneviève Marcelin, Yvon Calmus, Lucien Lecuyer, Romain Guillemain, Filomena Conti
Hepatitis E virus (HEV) can induce chronic infections in the case of immunosuppression, which are sometimes not cured with ribavirin. Furthermore, sofosbuvir is a highly potent inhibitor of HCV polymerase and was shown to inhibit HEV genotype-3 replication in vitro. We report here the outcome of sofosbuvir/ribavirin therapy on a chronic HEV infection in a heart transplant recipient non-responder to ribavirin. After 24 weeks, the regimen failed to cure the persistent HEV infection, highlighting the need of therapeutic options for HEV-infected immunosuppressed patients...
March 5, 2018: Antiviral Therapy
https://www.readbyqxmd.com/read/29503408/the-unraveled-link-between-antiviral-therapy-and-heart-failure-hospitalization-in-chronic-hepatitis-c-virus-infection-a-nationwide-cohort-study
#19
Ming-Shyan Lin, Chang-Min Chung, Ming-Ling Chang, Mei-Yen Chen, Shih-Tai Chang, Pao-Hsien Chu, Tien-Hsing Chen, Wey-Yil Lin, Tung-Jung Huang, Yu-Sheng Lin
BACKGROUND: Although hepatitis C virus (HCV) is a known risk factor for cardiovascular disease, whether antiviral therapy (AVT) can reduce heart failure (HF) hospitalizations is unknown.Methods and Results:In this population-based cohort study, we used data from the Taiwan National Health Insurance Research Database to evaluate the effect of interferon-based therapy (IBT) on cardiovascular events in patients with chronic HCV infection. Clinical outcomes evaluated included HF hospitalizations; a composite of acute myocardial infarction, ischemic stroke, and peripheral artery disease; all-cause death; and cardiovascular death...
March 2, 2018: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/29492390/donor-selection-in-the-modern-era
#20
Kiran K Khush
The growing disparity between the supply of donor hearts for transplantation and the demand for such organs has led to liberalization of the criteria for donor heart acceptance over the past few decades. The upper age limit and size restrictions for donor heart acceptance continue to be revised and hearts are being routinely used from donors with left ventricular dysfunction, left ventricular hypertrophy (LVH), cocaine use, multiple medical co-morbidities and after cardiopulmonary resuscitation. This article reviews recent data for use of such "expanded criteria" donor hearts and suggests ways to further increase the donor pool, including use of hearts from donors with hepatitis C and after circulatory determination of death...
January 2018: Annals of Cardiothoracic Surgery
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