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https://www.readbyqxmd.com/read/28593007/case-report-acute-portal-vein-thrombosis-associated-with-acute-cytomegalovirus-infection-in-an-immunocompetent-adult
#1
Fania Puccia, Vania Lombardo, Lydia Giannitrapani, Anna Licata, Giovanni Mazzola, Maurizio Soresi
Cytomegalovirus (CMV) infection is usually asymptomatic and self-limiting in healthy individuals, but significant complications can develop in immunosuppressed patients. Venous or arterial thromboembolic phenomena are uncommon yet very serious complications of CMV infection. Most published reports describe immunosuppressed patients, but thrombotic events in CMV-infected immunocompetent individuals may also occur. We describe the case of an immunocompetent young man with acute CMV hepatitis that was complicated with portal vein thrombosis (PVT)...
June 2017: Journal of Ultrasound
https://www.readbyqxmd.com/read/28587424/dynamic-relationship-between-infantile-hepatitis-syndrome-and-cytomegalovirus-infection
#2
Guangmeng Wang, Dongjin Feng
We investigated the correlation between cytomegalovirus (CMV) infection and infantile hepatitis syndrome and the correlation between blood ammonia levels in children with CMV-induced hepatitis syndrome and liver function indicators. To analyze the relationship between the positive-negative attributes of CMV infection and the recurrence rate of infantile hepatitis syndrome, a total of 86 cases of children with hepatitis syndrome admitted to Xuzhou Children's Hospital from January 2014 to March 2015 were selected for the study group...
June 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28573685/epidemiology-risk-factors-and-outcomes-of-infections-in-patients-undergoing-liver-transplantation-for-hilar-cholangiocarcinoma
#3
Poornima Ramanan, Nathan W Cummins, Mark P Wilhelm, Julie K Heimbach, Ross Dierkhising, Walter K Kremers, Charles B Rosen, Gregory J Gores, Raymund R Razonable
The epidemiology of infection after liver transplantation for hilar cholangiocarcinoma has not been systematically investigated. In this study of 124 patients, 255 infections occurred in 105 patients during the median follow-up of 4.2 years. The median time to first infection was 15.1 weeks (IQR 1.6 - 62.6). The most common sites were the abdomen, bloodstream and musculoskeletal system. Risk factors for any post-transplant infection were pre-transplant VRE colonization (Hazard Ratio [HR] 1.9, p=0.002), living donor transplantation (HR 6...
June 2, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28569786/brg1-mediated-nrf2-ho-1-pathway-activation-alleviates-hepatic-ischemia-reperfusion-injury
#4
Mian Ge, Weifeng Yao, Dongdong Yuan, Shaoli Zhou, Xi Chen, Yihan Zhang, Haobo Li, Zhengyuan Xia, Ziqing Hei
Cytoprotective gene heme oxygenase 1 (HO-1) could be induced by nuclear factor E2-related factor 2 (Nrf2) nuclear translocation. The purpose of this study was to determine the role of Brahma-related gene 1 (Brg1), a catalytic subunit of SWI2/SNF2-like chromatin remodeling complexes, in Nrf2/HO-1 pathway activation during hepatic ischemia-reperfusion (HIR). Our results showed that hepatic Brg1 was inhibited during early HIR while Brg1 overexpression reduced oxidative injury in CMV-Brg1 mice subjected to HIR...
June 1, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28556523/cytomegalovirus-induced-polyarteritis-nodosa-pan-in-a-liver-transplant-recipient
#5
Kerolos Abadeer, Aslam Nabeel, Cherise Cortese, Hani M Wadei
Polyarteritis nodosa (PAN) is a necrotizing vasculitis that has been associated with viral infections especially hepatitis B virus. We hereby report a case of tissue invasive cytomegalovirus (CMV)-induced PAN in a liver transplant recipient presenting with acute kidney injury and active urinary sediment. Treatment directed against both PAN and CMV resulted in improvement in kidney function, normalization of urinary indices and resolution of the CMV infection. No recurrence of either PAN or CMV occurred after 3 year follow-up period...
May 28, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28533779/cytomegalovirus-driven-adaptive-like-natural-killer-cell-expansions-are-unaffected-by-concurrent-chronic-hepatitis-virus-infections
#6
David F G Malone, Sebastian Lunemann, Julia Hengst, Hans-Gustaf Ljunggren, Michael P Manns, Johan K Sandberg, Markus Cornberg, Heiner Wedemeyer, Niklas K Björkström
Adaptive-like expansions of natural killer (NK) cell subsets are known to occur in response to human cytomegalovirus (CMV) infection. These expansions are typically made up of NKG2C(+) NK cells with particular killer-cell immunoglobulin-like receptor (KIR) expression patterns. Such NK cell expansion patterns are also seen in patients with viral hepatitis infection. Yet, it is not known if the viral hepatitis infection promotes the appearance of such expansions or if effects are solely attributed to underlying CMV infection...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28499323/-cmv-associated-acute-liver-failure-in-a-patient-receiving-tocilizumab-for-systemic-lupus-erythematosus
#7
Sophie Fromhold-Treu, Andreas Erbersdobler, Manuela Turan, Gunther Neeck, Georg Lamprecht
A 41-year-old female patient was admitted because of febrile jaundice and acute liver failure. The quick and the bilirubin were 21 % and 258 µmol/l, and there was hepatic encephalopathy I°. AST and AP had a maximum of 612 and 215 U/l. Despite a strong left shift in the differential, the CRP had a maximum of 15 mg/l. Because of an atypically presenting systemic lupus erythematosus, she had been treated with Azathioprine, steroids and Tocilizumab until 12 days before admission. The diagnostic workup revealed CMV hepatitis and necrotizing hepatopathy, which was interpreted as toxic hepatitis...
May 2017: Zeitschrift Für Gastroenterologie
https://www.readbyqxmd.com/read/28489305/prolonged-survival-following-pig-to-primate-liver-xenotransplantation-utilizing-exogenous-coagulation-factors-and-costimulation-blockade
#8
J A Shah, M S Patel, N Elias, N Navarro-Alvarez, I Rosales, R A Wilkinson, N J Louras, M Hertl, J A Fishman, R B Colvin, A B Cosimi, J F Markmann, D H Sachs, P A Vagefi
Since the first attempt of pig-to-primate liver xenotransplantation (LXT) in 1968, survival has been limited. We evaluated a model utilizing α-1,3-galactosyltransferase knockout donors, continuous posttransplant infusion of human prothrombin concentrate complex, and immunosuppression including anti-thymocyte globulin, FK-506, methylprednisone, and costimulation blockade (belatacept, n = 3 or anti-CD40 mAb, n = 1) to extend survival. Baboon 1 remained well until postoperative day (POD) 25, when euthanasia was required because of cholestasis and plantar ulcers...
May 10, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28462079/loss-of-hepatic-deptor-alters-the-metabolic-transition-to-fasting
#9
Alexandre Caron, Mathilde Mouchiroud, Nicolas Gautier, Sébastien M Labbé, Romain Villot, Laurie Turcotte, Blandine Secco, Guillaume Lamoureux, Michael Shum, Yves Gélinas, André Marette, Denis Richard, David M Sabatini, Mathieu Laplante
OBJECTIVE: The mechanistic target of rapamycin (mTOR) is a serine/threonine kinase that functions into distinct protein complexes (mTORC1 and mTORC2) that regulates growth and metabolism. DEP-domain containing mTOR-interacting protein (DEPTOR) is part of these complexes and is known to reduce their activity. Whether DEPTOR loss affects metabolism and organismal growth in vivo has never been tested. METHODS: We have generated a conditional transgenic mouse allowing the tissue-specific deletion of DEPTOR...
May 2017: Molecular Metabolism
https://www.readbyqxmd.com/read/28461838/bilateral-chorioretinal-scars-in-a-child-case-report
#10
Tomi Anca, Stefan Irina
The eye manifestations of intrauterine infections are multiple, but chorioretinal scars and/or active chorioretinitis are the most frequently reported. When associated with other systemic manifestations of the infection, the diagnosis becomes more obvious, but when eye involvement is the only abnormality, etiology often remains uncertain. We are presenting the case of an 8-year-old female patient whose fundus lesions revealed an unusual choroidoretinopathy, associated with cataract in one eye. Her general examination and her medical history were unremarkable...
June 2016: Mædica
https://www.readbyqxmd.com/read/28457413/hepatic-artery-thrombosis-after-liver-transplantation-five-year-experience-at-the-state-university-of-campinas
#11
C H Puliti Reigada, E C de Ataide, T de Almeida Prado Mattosinho, I F S F Boin
BACKGROUND: Hepatic artery thrombosis (HAT) is reported in 4%-15% of orthotopic liver transplants. Risk factors include technical error in the anastomosis, vascular anatomic variation, and high microvascular resistance. The aim of this study was to verify the incidence of HAT, early or late, and possible risk factors. METHODS: This was a retrospective study from January 2007 to December 2012 at the State University of Campinas. Variables analyzed were age, sex, cold and warm ischemia times, underlying disease, presence of hepatocellular carcinoma, Model for End-Stage Liver Disease (MELD) score, arterial anatomic variation in the graft, cytomegalovirus (CMV) infection, rejection, biliary complications, retransplantation rate, and survival...
May 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28448566/il-33-st2-pathway-drives-regulatory-t-cell-dependent-suppression-of-liver-damage-upon-cytomegalovirus-infection
#12
Branka Popovic, Mijo Golemac, Jürgen Podlech, Jelena Zeleznjak, Lidija Bilic-Zulle, Miodrag L Lukic, Luka Cicin-Sain, Matthias J Reddehase, Tim Sparwasser, Astrid Krmpotic, Stipan Jonjic
Regulatory T (Treg) cells dampen an exaggerated immune response to viral infections in order to avoid immunopathology. Cytomegaloviruses (CMVs) are herpesviruses usually causing asymptomatic infection in immunocompetent hosts and induce strong cellular immunity which provides protection against CMV disease. It remains unclear how these persistent viruses manage to avoid induction of immunopathology not only during the acute infection but also during life-long persistence and virus reactivation. This may be due to numerous viral immunoevasion strategies used to specifically modulate immune responses but also induction of Treg cells by CMV infection...
April 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28446048/hepatitis-due-to-epstein-barr-virus-and-cytomegalovirus-clinical-features-and-outcomes
#13
Hilmar Leonardsson, Jóhann Páll Hreinsson, Arthur Löve, Einar S Björnsson
OBJECTIVE: To determine the frequency of cytomegalovirus (CMV) and Epstein-Barr virus (EBV) hepatitis among those with acute CMV and EBV infection in a population based setting and to compare these two types of hepatitis and analyze the outcomes. METHODS: A retrospective search was undertaken on all patients with IgM antibodies to CMV and EBV during the period of 2006-2015 in the virological database of the University Hospital of Iceland covering the metropolitan area of Reykjavík (population 202,255)...
April 27, 2017: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/28423469/cytomegalovirus-peritonitis-after-kidney-transplantation-diagnosed-through-histopathological-examination
#14
Kiyohiko Hotta, Yuichiro Fukasawa, Yoshiki Wada, Nobuyuki Fukuzawa, Toshimori Seki, Hiroshi Harada
Among organ transplant recipients, cytomegalovirus (CMV) commonly results in various types of infection such as pneumonitis, hepatitis, and enterocolitis. However, CMV peritonitis is very rare and difficult to diagnose owing to lack of visible clinical signs. We present a case of a 35-year-old female kidney recipient who developed abdominal pain and urinary retention caused by CMV peritonitis. To our knowledge, this is the first case report of CMV peritonitis after organ transplantation to be diagnosed through histopathological examination...
April 19, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28386736/an-efficient-rapid-system-for-assaying-hbx-mediated-transactivation
#15
Xiaoling Zhou, Haijun Shi, Shaozhe Yang, Pingnan Sun
OBJECTIVES: To develop a rapid and accurate assay system for screening inhibitors or enhancing agents targeting the transactivation capability of hepatitis B virus X protein (HBx) that activates cellular promoters in host cells to facilitate viral replication. RESULTS: We constructed a new GFP-based reporter system which was different from a luciferase-based reporter system. Firstly, a FLAG-tagged HBx gene was inserted into an expression plasmid, resulting in plasmid pHBx...
April 6, 2017: Biotechnology Letters
https://www.readbyqxmd.com/read/28374309/early-and-peri-operative-prognostic-indicators-in-infants-undergoing-hepatic-portoenterostomy-for-biliary-atresia-a-review
#16
REVIEW
Robert N Lopez, Chee Y Ooi, Usha Krishnan
PURPOSE OF REVIEW: Biliary atresia is the most common indication for liver transplantation among children. In recent years, prospective, multi-centre collaboration has been underway with the aim of providing high-quality data on the natural history of the condition, prior to and following hepatic portoenterostomy. RECENT FINDINGS: There is increasing evidence that specific histological findings, and age, at the time of portoenterostomy have relevance as prognostic indicators...
April 2017: Current Gastroenterology Reports
https://www.readbyqxmd.com/read/28350327/the-envelope-gene-of-hepatitis-b-virus-is-implicated-in-both-differential-virion-secretion-and-genome-replication-capacities-between-genotype-b-and-genotype-c-isolates
#17
Haodi Jia, Yanli Qin, Chaoyang Chen, Fei Zhang, Cheng Li, Li Zong, Yongxiang Wang, Jiming Zhang, Jisu Li, Yumei Wen, Shuping Tong
Chronic infection by hepatitis B virus (HBV) genotype C is associated with a prolonged replicative phase and an increased risk of liver cancer, compared with genotype B infection. We previously found lower replication capacity but more efficient virion secretion by genotype C than genotype B isolates. Virion secretion requires interaction between core particles and ENVELOPE proteins. In the present study, chimeric constructs between genotype B and genotype C clones were generated to identify the structural basis for differential virion secretion...
March 28, 2017: Viruses
https://www.readbyqxmd.com/read/28338773/cmv-promoter-and-the-mouse-albumin-promoter-and-enhancer-triggered-the-elevation-of-hepatitis-b-virus-envelope-polypeptides
#18
Weixia Liu, Minghui Bai, Feng Chen, Haihong Zhu, Min Zheng, Cheng Zhou, Ying Yang, Ying Hu, Jing Wang, Zhi Chen
No abstract text is available yet for this article.
February 18, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28294067/the-infectious-etiology-of-alzheimer-s-disease
#19
Marta Sochocka, Katarzyna Zwolińska, Jerzy Leszek
Inflammation is a part of the first line of defense of the body against invasive pathogens, and plays a crucial role in tissue regeneration and repair. A proper inflammatory response ensures the suitable resolution of inflammation and elimination of harmful stimuli, but when the inflammatory reactions are inappropriate it can lead to damage of the surrounding normal cells. The relationship between infections and Alzheimer's Disease (AD) etiology, especially late-onset AD (LOAD) has been continuously debated over the past three decades...
March 13, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28285979/the-added-value-of-hepatitis-e-diagnostics-in-determining-causes-of-hepatitis-in-routine-diagnostic-settings-in-the-netherlands
#20
Meintje Doting, Jan Weel, H Niesters, A Riezebos-Brilman, Afke Brandenburg
OBJECTIVES: Hepatitis E virus (HEV) genotype 3 is endemic in Europe and an underdiagnosed and emerging (public) health issue. In recent years commercial enzyme immunoassays (EIAs) that detect antibodies to HEV more adequately, became available. We investigated the added value of this HEV serology in the diagnostic work flow to detect viral causes of recent hepatitis. METHODS: During a two year period (May 2013 - May 2015), HEV serology was added to the hepatitis work flow, consisting of serological detection of hepatitis A-B-C virus (HAV, HBV, HCV), Epstein-Barr Virus (EBV) and Cytomegalovirus (CMV)...
March 7, 2017: Clinical Microbiology and Infection
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