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hepatitis c heart

G Fenna van Breda, Lennart G Bongartz, Wenqing Zhuang, Rachel P L van Swelm, Jeanne Pertijs, Branko Braam, Maarten-Jan Cramer, Dorine W Swinkels, Pieter A Doevendans, Marianne C Verhaar, Roos Masereeuw, Jaap A Joles, Carlo A J M Gaillard
BACKGROUND: Hepcidin regulates systemic iron homeostasis by downregulating the iron exporter ferroportin. Circulating hepcidin is mainly derived from the liver but hepcidin is also produced in the heart. We studied the differential and local regulation of hepcidin gene expression in response to myocardial infarction (MI) and/or chronic kidney disease (CKD). We hypothesized that cardiac hepcidin gene expression is induced by and regulated to severity of cardiac injury, either through direct (MI) or remote (CKD) stimuli, as well as through increased local iron content...
October 22, 2016: American Journal of Nephrology
Naftali Stern
As both the rate of hypertension and cancer rise with age, concomitant hypertension in patients receiving treatment for cancer is very common. Increase in blood pressure during cancer treatment requires careful clinical assessment. Distinction between discontinuation or malabsorption of antihypertensive treatment due to factors such as nausea/vomiting/diarrhea and anti-cancer drug specific effects must be first made. De-novo hypertension during cancer treatment is likely related to anticancer drugs per se. Classical chemotherapeutic agents such as cyclophosphamide, cisplatin and busulfan have been previously linked to rising blood pressure...
September 2016: Journal of Hypertension
Maria Stepanova, Trevor Locklear, Nila Rafiq, Alita Mishra, Chapy Venkatesan, Zobair M Younossi
BACKGROUND: Chronic HCV infection is often considered a contraindication for receiving a heart transplantation. METHODS: From the Scientific Registry of Transplant Recipients, we selected all adults with and without HCV infection who underwent a single organ heart transplantation in 1995-2013; the mortality status was updated in September 2015. RESULTS: A total of 32,812 heart transplant recipients were included; N=756 (2.30%) HCV-positive...
October 14, 2016: Clinical Transplantation
Rinku Pal, Qingen Ke, German A Pihan, Ayce Yesilaltay, Marsha L Penman, Li Wang, Chandramohan Chitraju, Peter M Kang, Monty Krieger, Olivier Kocher
The HDL receptor SR-BI mediates the transfer of cholesteryl esters from HDL to cells and controls HDL abundance and structure. Depending on the genetic background, loss of SR-BI causes hypercholesterolemia, anemia, reticulocytosis, splenomegaly, thrombocytopenia, female infertility and fatal coronary heart disease (CHD). The C-terminus of SR-BI (505QEAKL509) must bind to the cytoplasmic adaptor PDZK1 for normal hepatic -but not steroidogenic cell- expression of SR-BI protein. To determine if SR-BI's C-terminus is also required for normal protein levels in steroidogenic cells, we introduced into SR-BI's gene a 507Ala/STOP mutation that produces a truncated receptor (SR-BIΔCT)...
September 30, 2016: American Journal of Physiology. Heart and Circulatory Physiology
Federico Nicolás Penas, Ágata Carolina Cevey, Sofía Siffo, Gerardo Ariel Mirkin, Nora Beatriz Goren
Trypanosoma cruzi, the etiological agent of Chagas' disease, causes an intense inflammatory response in several tissues, including the liver. Since this organ is central to metabolism, its infection may be reflected in the outcome of the disease. 15-deoxy-Δ(12,14) prostaglandin J2 (15dPGJ2), a natural agonist of peroxisome-proliferator activated receptor (PPAR) γ, has been shown to exert anti-inflammatory effects in the heart upon T. cruzi infection. However, its role in the restoration of liver function and reduction of liver inflammation has not been studied yet...
September 28, 2016: Experimental Parasitology
Mariya H Apostolova, Craig D Seaman, Diane M Comer, Jonathan G Yabes, Margaret V Ragni
BACKGROUND: von Willebrand factor (VWF) is a biomarker for endothelial damage. Increased VWF levels are observed in hypertension (HTN) and disorders of endothelial dysfunction, for example, atherosclerotic heart disease (ASHD) and diabetes. Whether low VWF protects against HTN is unknown. METHODS: To determine prevalence and risk factors for HTN in patients with von Willebrand disease (VWD), we conducted a cross-sectional analysis of discharge data from the National Inpatient Sample, 2009 to 2011...
September 21, 2016: Clinical and Applied Thrombosis/hemostasis
Huitong Liu, Qiaofeng Wang, Ze Zhao, Yanan Xie, Suzhen Ding, Zhenyuan Wang
This research was aimed at discovering the serological and histological changes in cardiac and hepatic tissue after electric shock. The CK-MB, ALT, and AMS indexes were tested with serological methods. Moreover, the Bcl-2, Bax, and Hsp-60 expression levels were carefully measured. An electrical injury model was established by giving rats electric shocks at 110 V with alternating electric current. Blood samples from the rats were analyzed for the biochemical indexes. The degrees of pathological changes in the heart and liver were evaluated using IHC staining for Bcl-2, Bax, and Hsp-60...
2016: BioMed Research International
Nuno Cortez-Dias, Marina C Costa, Pedro Carrilho-Ferreira, Doroteia Silva, Cláudia Jorge, Carina Calisto, Teresa Pessoa, Susana Robalo Martins, João Carvalho de Sousa, Pedro Canas da Silva, Manuela Fiúza, António Nunes Diogo, Fausto J Pinto, Francisco J Enguita
BACKGROUND: MicroRNAs (miRNAs) are key players in cardiovascular development and disease. However, not only miRNAs of a cardiac origin have a critical role in heart function. Recent studies have demonstrated that miR-122-5p, a hepatic miRNA, increases in the bloodstream during ischemic cardiogenic shock and it is upregulated in the infarcted myocardium. The aim of the present study was to determine the potential of circulating miR-122-5p as a biomarker for early prognostic stratification of ST-segment elevation acute myocardial infarction (STEMI) patients...
September 23, 2016: Circulation Journal: Official Journal of the Japanese Circulation Society
Katy E Trinkley, Daniel C Malone, Jennifer A Nelson, Joseph J Saseen
BACKGROUND: The purpose of this study was to identify the reasons why metformin prescribing is suboptimal. METHODS: Two semi-structured focus groups with attitudinal questionnaires and a brief educational presentation were held in two US cities. Participants included providers (physicians, pharmacists, midlevel practitioners) caring for patients with type 2 diabetes mellitus (T2DM) in an ambulatory setting. Outcome measures included provider attitudes, behaviors and opinions regarding the use of metformin...
September 2016: Therapeutic Advances in Chronic Disease
Paolo Strati, Mark Lanasa, Timothy G Call, Jose F Leis, Danielle M Brander, Betsy R LaPlant, Adam M Pettinger, Wei Ding, Sameer A Parikh, Curtis A Hanson, Asher A Chanan-Khan, Deborah A Bowen, Michael Conte, Neil E Kay, Tait D Shanafelt
BACKGROUND: Although several consolidation strategies to prolong treatment-free survival (TFS) in chronic lymphocytic leukaemia have been investigated, most have proven either ineffective or toxic. Ofatumumab is a human type I anti-CD20 antibody approved by the US Food and Drug Administration as maintenance treatment of patients with recurrent or progressive chronic lymphocytic leukaemia who are in complete or partial response after at least two lines of treatment; higher efficacy might be observed if used as consolidation strategy than without consolidation in previously untreated patients...
September 2016: Lancet Haematology
Andrew Jm Lewis, Jack Jj Miller, Chloe McCallum, Oliver J Rider, Stefan Neubauer, Lisa C Heather, Damian J Tyler
Metformin improves cardiovascular outcomes in type 2 diabetes, but its exact mechanisms of action remain controversial. We used hyperpolarized [1-(13)C]pyruvate magnetic resonance spectroscopy to determine the effects of metformin treatment upon heart and liver pyruvate metabolism in rats in vivo Both oral treatment for four weeks and a single intravenous metformin infusion significantly increased the cardiac [1-(13)C]lactate:[1-(13)C]pyruvate ratio, but had no effect on the [1-(13)C]bicarbonate + (13)CO2:[1-(13)C]pyruvate ratio, an index of pyruvate dehydrogenase flux...
August 25, 2016: Diabetes
D J Martinel Lamas, M B Nicoud, H A Sterle, E Carabajal, F Tesan, J C Perazzo, G A Cremaschi, E S Rivera, V A Medina
The aim of the present work was to evaluate the potential protective effect of histamine on Doxorubicin (Dox)-induced hepatic and cardiac toxicity in different rodent species and in a triple-negative breast tumor-bearing mice model. Male Sprague Dawley rats and Balb/c mice were divided into four groups: control (received saline), histamine (5 mg/kg for rats and 1 mg/kg for mice, daily subcutaneous injection starting 24 h before treatment with Dox), Dox (2 mg/kg, intraperitoneally injected three times a week for 2 weeks) and Dox+histamine (received both treatments)...
2015: Cell Death Discovery
Taylor R McClellan, Utaroh Motosugi, Michael S Middleton, Brian C Allen, Tracy A Jaffe, Chad M Miller, Scott B Reeder, Claude B Sirlin, Mustafa R Bashir
Purpose To determine, in a multicenter double-blinded placebo-controlled trial, whether maximal hepatic arterial phase breath-holding duration is affected by gadoxetate disodium administration. Materials and Methods Institutional review board approval was obtained for this prospective multi-institutional HIPAA-compliant study; written informed consent was obtained from all subjects. At three sites, a total of 44 volunteers underwent a magnetic resonance (MR) imaging examination in which images were acquired before and dynamically after bolus injection of gadoxetate disodium, normal saline, and gadoterate meglumine, administered in random order in a single session...
August 10, 2016: Radiology
Marjan Shakiba, Fatemeh Mahjoub, Hassan Fazilaty, Fereshteh Rezagholizadeh, Arghavan Shakiba, Maryam Ziadlou, William A Gahl, Babak Behnam
Hypermethioninemia may be benign, present as a nonspecific sign of nongenetic conditions such as liver failure and prematurity, or a severe, progressive inborn error of metabolism. Genetic causes of hypermethioninemia include mitochondrial depletion syndromes caused by mutations in the MPV17 and DGUOK genes and deficiencies of cystathionine β-synthase, methionine adenosyltransferase types I and III, glycine N-methyltransferase, S-adenosylhomocysteine hydrolase, citrin, fumarylacetoacetate hydrolase, and adenosine kinase...
2016: Adv Rare Dis
P Nadziakiewicz, B Szygula-Jurkiewicz, T Niklewski, J Pacholewicz, M Zakliczynski, J Borkowski, T Hrapkowicz, M Zembala
BACKGROUND: Limited data exist about the effects of continuous-flow versus pulsatile-flow left ventricular assist devices (LVADs) on end-organ function. We hypothesized that a pulsatile Polvad MEV (PM) would result in outcomes similar to those of similarly ill patients implanted with a continuous-flow LVAD (Heartware [HW] or Heartmate II [HMII]). We aimed to compare renal, hepatic, and hematologic functions in the 1st 30 days of support. METHODS: We retrospectively reviewed patients with 24 PM (21 M, 3 F; group P) and 15 HW and 5 HMII (20 M, 0 F); group C LVAD implantations from April 2007 to February 2014...
June 2016: Transplantation Proceedings
B Szyguła-Jurkiewicz, P Nadziakiewicz, M Zakliczynski, W Szczurek, J Chraponski, M Zembala, M Gasior
BACKGROUND: The evaluation of prognosis and determination of a long-term treatment strategy is an important element of management in patients with heart failure (HF). METHODS: The aim of the study was to determine the prognostic value of the Model for End-Stage Liver Disease (MELD) and its modifications, MELD and serum sodium (MELD-Na) and MELD excluding the international normalized ratio (MELD-XI), as well as other independent risk factors for death during a 4-year follow-up...
June 2016: Transplantation Proceedings
Laura K Cole, Edgar M Meija, Marilyne Vandel, Genevieve C Sparagna, Steven M Claypool, Laura Dyck-Chan, Julianne Klein, Grant M Hatch
Mitochondria are the nexus of energy metabolism and consequently their dysfunction has been implicated in the development of metabolic complications and the progression to insulin resistance and type II diabetes. The unique tetra-acyl phospholipid cardiolipin (CL) is located in the inner mitochondrial membrane where it maintains mitochondrial integrity. Here we show that knock-down of Tafazzin (TAZ kd), a CL transacylase, in mice results in protection against the development of obesity, insulin resistance and hepatic steatosis...
August 5, 2016: Diabetes
Karen C Thomas, Diana G Wilkins, Steven C Curry, Todd C Grey, David M Andrenyak, Lawrence D McGill, Douglas E Rollins
Acetaminophen overdose is a leading cause of drug-induced liver failure in the United States. Acetaminophen-protein adducts have been suggested as a biomarker of hepatotoxicity. The purpose of this study was to determine whether protein-derived acetaminophen-protein adducts are quantifiable in postmortem samples. Heart blood, femoral blood, and liver tissue were collected at autopsy from 22 decedents suspected of opioid-acetaminophen overdose. Samples were assayed for protein-derived acetaminophen-protein adducts, acetaminophen, and selected opioids found in combination products containing acetaminophen...
September 2016: Journal of Forensic Sciences
Lisa Baumann, Susanne Haen, Christoph Berg, Ferruh Artunc, Reimer Riessen, Werner Spengler, Falko Fend, Michael Haap
HISTORY AND ADMISSION FINDINGS: We report on a 48-year-old man presenting with progressive hepatopathy and encephalopathy for two weeks based on a chronic hepatitis C. He takes ledipasvir and sofosbuvir (Harvoni) and ribavirin for almost 24 weeks. After admission to hospital his state deteriorated rapidly. He is directly transferred to the medical intensive care unit, where he died on day 3. INVESTIGATIONS: During the physical examination, a pronounced jaundice and significant peripheral edema were found...
July 2016: Deutsche Medizinische Wochenschrift
W Wayne Lautt, Zhi Ming, Dallas J Legare, Kawshik K Chowdhury, Grant M Hatch, Hui Helen Wang
Meal-induced insulin sensitization (MIS) refers to the augmented glucose uptake response to insulin following a meal. Absence of MIS (AMIS) causes significant decrease in post-meal glucose disposal leading to postprandial hyperglycemia, hyperinsulinemia, hyperlipidemia, adiposity, increased free radical stress, and a cluster of progressive metabolic, vascular, and cardiac dysfunctions referred to as the AMIS syndrome. We tested the hypothesis that fat accumulation in the liver and heart is part of the AMIS syndrome...
2015: Healthcare (Basel, Switzerland)
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