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Hepatitis b acute

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https://www.readbyqxmd.com/read/28214858/hepatitis-b-virus-core-antigen-stimulates-il-6-expression-via-p38-erk-and-nf-%C3%AE%C2%BAb-pathways-in-hepatocytes
#1
Zhi Chen, Yang-Xia Li, Hai-Jing Fu, Yan-Li Ren, Ling Zou, Shi-Zhen Shen, Ping Chen, Ting Sun, Chun-Hong Huang
BACKGROUND: Hepatitis B virus (HBV) causes both acute and chronic liver injury. Viral proteins are involved in the pathological progress. Hepatitis B core antigen (HBcAg), a component of viral nucleocapsid, is not only essential for HBV lifecycle, but also exhibits strong immunogenicity. The cytoplasmic location of HBcAg in liver biopsy is associated with liver injury and inflammation, but the exact mechanisms remain to be elaborated. METHODS: Huh7, SMMC-7721 and L-02 cells were transfected with pEGFP-N1-HBcAg to establish an intracellular HBcAg expression model...
January 17, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28207518/virological-and-serological-features-of-acute-hepatitis-b-in-adults
#2
Xiaofei Du, Yali Liu, Lina Ma, Junfeng Lu, Yi Jin, Shan Ren, Zhimin He, Xinyue Chen
Various viral kinetics among patients with acute hepatitis B (AHB) have been observed in clinical practice. This study investigated the virological, biochemical, and serological characteristics of AHB in adults.A total of 192 adult patients with AHB were recruited between December 2010 and January 2014. The quantification of biochemical and serologic markers for hepatitis B virus (HBV) infection was monitored from the onset.Of the 192 patients, 113 patients were followed up. One patient died due to acute liver failure, 2 developed chronic HBV infection...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28205545/octreotide-attenuates-acute-kidney-injury-after-hepatic-ischemia-and-reperfusion-by-enhancing-autophagy
#3
Huiping Sun, Shuangfa Zou, Keith A Candiotti, Yanhua Peng, Qinya Zhang, Weiqiang Xiao, Yiyun Wen, Jiao Wu, Jinfeng Yang
Octreotide exerts a protective effect in hepatic ischemia-reperfusion (HIR) injury. However, whether octreotide preconditioning could also reduce acute kidney injury (AKI) after HIR is unknown. This study was designed to investigate the role of octreotide in AKI after HIR. Male Sprague-Dawley rats were pretreated with octreotide or octreotide combined with 3-methyladenine (autophagy inhibitor, 3MA). Plasma creatinine, inflammation markers (e.g., TNF-α and IL-6 etc.), apoptosis, autophagy and phosphorylation of protein kinase B/mammalian target of rapamycin/p70 ribosomal S6 kinase (Akt/mTOR/p70S6K) in the kidney were measured after 60 minutes of liver ischemia and 24 hours of reperfusion for each rat...
February 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28202897/dual-infection-with-hepatitis-b-and-epstein-barr-virus-presenting-with-severe-jaundice-coagulopathy-and-hepatitis-b-virus-chronicity-outcome
#4
Sirish C Rao, Imran Ashraf, Fazia Mir, Sami Samiullah, Jamal A Ibdah, Veysel Tahan
BACKGROUND Hepatitis B virus (HBV) has been reported as a coinfection with hepatitis C virus (HCV), hepatitis D virus (HDV), cytomegalovirus (CMV), and human immunodeficiency virus (HIV). CASE REPORT A 34-year-old female presented to our clinic with epigastric pain and severe acute hepatitis manifested as jaundice associated with hyperbilirubinemia, elevated transaminases, and coagulopathy. The patient was diagnosed with acute HBV with Epstein-Barr virus (EBV) coinfection leading to subsequent chronic hepatitis B...
February 16, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28202798/high-prevalence-and-diversity-of-hepatitis-viruses-in-suspected-cases-of-yellow-fever-in-the-democratic-republic-of-congo
#5
Sheila Makiala-Mandanda, Frédéric Le Gal, Nadine Ngwaka-Matsung, Steve Ahuka-Mundeke, Richard Onanga, Berthold Bivigou-Mboumba, Elisabeth Pukuta-Simbu, Athenaïs Gerber, Jessica L Abbate, Dieudonné Mwamba, Nicolas Berthet, Eric Maurice Leroy, Jean-Jacques Muyembe-Tamfum, Pierre Becquart
The majority of patients with acute febrile jaundice (>95%) identified through a yellow fever surveillance program in the Democratic Republic of Congo (DRC) test negative for antibodies against yellow fever virus. However, no etiological investigation has ever been carried out on these patients. Here, we tested for hepatitis A (HAV), B (HBV), C (HCV), D (HDV) and E (HEV) viruses, all of which can cause acute febrile jaundice, in patients included in the yellow fever surveillance program in the DRC. On a total of 498 serum samples collected from suspected cases of yellow fever from January 2003 to January 2012, ELISA techniques were used to screen for antibodies against HAV (IgM) and HEV (IgM) and for antigens and antibodies against HBV (HBsAg and anti-HBc IgM), HCV and HDV...
February 15, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28202767/genotype-specific-evolution-of-hepatitis-e-virus
#6
Adam B Brayne, Bethany L Dearlove, James S Lester, Sergei L Kosakovsky Pond, Simon D W Frost
Hepatitis E virus (HEV) is the most common cause of acute viral hepatitis globally. HEV comprises four genotypes with different geographic distributions and host ranges. We utilise this natural case-control study for investigating the evolution of zoonotic viruses compared to single host viruses, using 244 near full length HEV genomes. Genome wide estimates of dN/dS located a region of overlapping reading frames, which is subject to positive selection in genotypes 3 and 4. The open reading frames (ORFs) involved have functions related to host-pathogen interaction, so genotype specific evolution of these regions may reflect their fitness...
February 15, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28202000/safety-and-efficacy-of-lobaplatin-combined-with-5-fluorouracil-as-first-line-induction-chemotherapy-followed-by-lobaplatin-radiotherapy-in-locally-advanced-nasopharyngeal-carcinoma-preliminary-results-of-a-prospective-phase-ii-trial
#7
Liang-Ru Ke, Wei-Xiong Xia, Wen-Ze Qiu, Xin-Jun Huang, Jing Yang, Ya-Hui Yu, Hu Liang, Guo-Ying Liu, Yan-Fang Ye, Yan-Qun Xiang, Xiang Guo, Xing Lv
BACKGROUND: Due to improvements in imaging and radiological techniques as well as the use of chemotherapy, distant metastasis has become the predominant mode of treatment failure in patients with locally advanced nasopharyngeal carcinoma (LA-NPC). Platinum-based systemic chemotherapy has shown survival benefits and is now the standard strategy for systemic therapy in patients with LA-NPC. Notably, the third-generation platinum reagent lobaplatin has shown anti-tumor effects in several solid tumors with lower incidences of gastrointestinal, hepatic and renal toxicity relative to other platinum drugs...
February 15, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28197333/a-case-of-primary-biliary-cirrhosis-mimicking-acute-hepatitis-b-in-the-clinic-republic-of-korea
#8
Woo Hyuk Kwon, Hong Min Park, Jeong Jun Park, Sung Hoon Lee, Yong Kyu Lee
Primary biliary cirrhosis (PBC) is a slowly progressive cholestatic autoimmune liver disease characterized by progressive bile duct injury. The most common symptoms of this disease include fatigue and pruritus. The diagnosis of PBC is based on cholestatic biochemical liver tests, presence of antimitochondrial antibodies, and characteristic histological biopsy findings. We report a case of a patient with PBS, who was initially suspected to be in the window period of hepatitis B by a private doctor in a local clinic based on the detection of isolated immunoglobulin M antibody against hepatitis B core antigen...
January 2017: Korean Journal of Family Medicine
https://www.readbyqxmd.com/read/28195876/development-and-validation-of-a-prognostic-model-for-acute-on-chronic-hepatitis-b-liver-failure
#9
Fangyuan Gao, Le Sun, Xieqiong Ye, Yao Liu, Huimin Liu, Mingfan Geng, Xiaoshu Li, Xue Yang, Yuxin Li, Rui Wang, Jialiang Chen, Gang Wan, Yuyong Jiang, Xianbo Wang
AIM: The CANONIC study proposed the Chronic Liver Failure Consortium acute-on-chronic liver failure (CLIF-C ACLF) prognostic model at the European Association for the Study of the Liver-CLIF diagnosis. This study aimed to develop and validate a prognostic model for predicting the short-term mortality of hepatitis B virus (HBV) ACLF as defined by the Asia-Pacific Association for the Study of the Liver. PATIENTS AND METHODS: A retrospective cohort of 381 HBV ACLF patients and a prospective cohort of 192 patients were included in this study...
February 13, 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28191658/interpatient-mutational-spectrum-of-human-coronavirus-oc43-revealed-by-illumina-sequencing
#10
Geoffrey J Gorse, Gira B Patel, Xiaofeng Fan
Human coronaviruses (HCoV) are RNA viruses that cause respiratory tract infections with viral replication of limited duration. The host and viral population heterogeneity could influence clinical phenotypes. Employing long RT-PCR with Illumina sequencing, we quantified the gene mutation load at 0.5% mutation frequency for the 4,529 bp-domain spanning the Spike gene (4,086 bp) of HCoV-OC43 in four upper respiratory clinical specimens obtained during acute illness. There were a total of 121 mutations for all four HCoV samples with the average number of mutations at 30...
February 12, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/28189063/the-nf-%C3%AE%C2%BAb-inhibitor-celastrol-attenuates-acute-hepatic-dysfunction-induced-by-cecal-ligation-and-puncture-in-rats
#11
Ghada S El-Tanbouly, Mohammed S El-Awady, Nermeen A Megahed, Hatem A Salem, Hassan A El-Kashef
Acute hepatic dysfunction associating sepsis is mediated mainly by toll-like receptor-4 (TLR-4)/nuclear factor kappa-B (NF-κB) inflammatory pathway. This study explores potential hepatoprotective effect of the NF-κB inhibitor celastrol in cecal ligation and puncture (CLP) model in rats. Protective effect of celastrol (1mg/kg, i.p., 1h before CLP) was illustrated after 24h by preventing CLP-induced hepatic histopathological changes and elevation in serum hepatic biomarkers [alanine aminotransferase (ALT), aspartate aminotransferase (AST), total bilirubin (TB) and gamma aminotransferase (γ-GT)] without affecting mortality...
February 4, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/28185839/hypermethylation-of-the-galectin-3-promoter-is-associated-with-poor-prognosis-of-acute-on-chronic-hepatitis-b-liver-failure
#12
Jing Zhao, Yu-Chen Fan, Xin-Yuan Liu, Ze-Hua Zhao, Feng Li, Kai Wang
BACKGROUND AND AIMS: The possible role of galectin-3 in acute-on-chronic hepatitis B liver failure (ACHBLF) remains unknown. This study aimed to determine the methylation status of the galectin-3 promoter in patients with ACHBLF and analyze its prognostic value. METHODS: The methylation status of the galectin-3 promoter in patients with ACHBLF, chronic hepatitis B (CHB) and healthy controls (HCs) was determined by methylation-specific polymerase chain reaction (MSP)...
January 22, 2017: Digestive and Liver Disease
https://www.readbyqxmd.com/read/28183402/the-effects-of-acute-inflammation-on-cognitive-functioning-and-emotional-processing-in-humans-a-systematic-review-of-experimental-studies
#13
REVIEW
Jessica Bollen, Leanne Trick, David Llewellyn, Chris Dickens
OBJECTIVE: The cognitive neuropsychological model of depression proposes that negative biases in the processing of emotionally salient information have a central role in the development and maintenance of depression. We have conducted a systematic review to determine whether acute experimental inflammation is associated with changes to cognitive and emotional processing that are thought to cause and maintain depression. METHODS: We identified experimental studies in which healthy individuals were administered an acute inflammatory challenge (bacterial endotoxin/vaccination) and standardised tests of cognitive function were performed...
March 2017: Journal of Psychosomatic Research
https://www.readbyqxmd.com/read/28174739/increased-mitochondrial-genetic-diversity-in-persons-infected-with-hepatitis-c-virus
#14
David S Campo, Ha-Jung Roh, Brian L Pearlman, Daniel S Fierer, Sumathi Ramachandran, Gilberto Vaughan, Andrew Hinds, Zoya Dimitrova, Pavel Skums, Yury Khudyakov
BACKGROUND & AIMS: The host genetic environment contributes significantly to the outcomes of hepatitis C virus (HCV) infection and therapy response, but little is known about any effects of HCV infection on the host beyond any changes related to adaptive immune responses. HCV persistence is associated strongly with mitochondrial dysfunction, with liver mitochondrial DNA (mtDNA) genetic diversity linked to disease progression. METHODS: We evaluated the genetic diversity of 2 mtDNA genomic regions (hypervariable segments 1 and 2) obtained from sera of 116 persons using next-generation sequencing...
September 2016: Cellular and Molecular Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28165481/targeting-mitochondrial-dysfunction-can-restore-antiviral-activity-of-exhausted-hbv-specific-cd8-t-cells-in-chronic-hepatitis-b
#15
Paola Fisicaro, Valeria Barili, Barbara Montanini, Greta Acerbi, Manuela Ferracin, Francesca Guerrieri, Debora Salerno, Carolina Boni, Marco Massari, M Cristina Cavallo, Glenda Grossi, Tiziana Giuberti, Pietro Lampertico, Gabriele Missale, Massimo Levrero, Simone Ottonello, Carlo Ferrari
Hepatitis B virus (HBV)-specific CD8 T cells are functionally exhausted in chronic hepatitis B infection, and this condition can be corrected only partially through the modulation of inhibitory pathways, which suggests that a more complex molecular interplay underlies T cell exhaustion. To gain broader insight into this process and identify additional targets for the restoration of T cell function, we compared the transcriptome profiles of HBV-specific CD8 T cells from patients with acute and chronic disease with those of HBV-specific CD8 T cells from patients able to resolve HBV infection spontaneously and influenza (FLU)-specific CD8 T cells from healthy participants...
February 6, 2017: Nature Medicine
https://www.readbyqxmd.com/read/28165437/relationship-of-recovered-hepatitis-b-infection-with-appearance-of-toxic-propylthiouracil-hepatitis
#16
Lejla Čalkić, Lejla Bajramović-Omeragić
Aim To investigate the relationship between recovered hepatitis B infection with appearance of toxic propylthiouracil (PTU) hepatitis and point out the growing importance of the use of drugs in the development of hepatitis. Methods A case of a 45-year-old female patient with suspicion of acute viral hepatitis who had polypragmasy of drugs in the last ten years, due to the polymorphism of symptoms/illnesses (diabetes mellitus, depression, hypertension, hypothyroidism) was presented. Results A female patient had hyperthyroidism after resolved viral hepatitis B with HBsAg seroconversion (HBsAg negative, antiHBs positive)...
February 1, 2017: Medicinski Glasnik
https://www.readbyqxmd.com/read/28164598/analysis-of-biochemical-features-of-hepatitis-b-virus-infected-patients-in-southwest-china
#17
Yuzhu Song, Yunsong Shen, Wencheng Lu, Xueshan Xia, A-Mei Zhang
BACKGROUND: Hepatitis B is one of the most common infectious diseases in China, and it is necessary to study biochemical indicators of HBV infected patients. METHODS: Biochemical and basic features of 1765 HBV infected patients and 840 general controls were collected and analyzed from Southwest China. RESULTS: A total of 23.5% of the patients were children or young persons (less than 40 years old). The co-infected rate was only 0.3% for those who were co-infected with Hepatitis C virus (HCV) or Treponema pallidum (TPa)...
September 1, 2016: Clinical Laboratory
https://www.readbyqxmd.com/read/28163866/prevalence-and-characteristics-of-basal-core-promoter-mutations-in-iran-and-its-correlation-with-acute-and-chronic-hepatitis-b-infection
#18
Sadegh Nasrollaheian, Gholamreza Farshidfar, Ali Kargar Kheirabad, Hamed Gouklani
INTRODUCTION: Manifestations of HBV infection differ in chronic and acute phases. Therefore, identifying the determinants such as mutations has a vital role in the treatment of the disease. A dual transversion in the basal core promoter (BCP) region is common among HBV patients. Thus, the present study was conducted with the objective of determining the prevalence of basal core promoter (BCP) mutations and its correlation with the outcome of HBV infection. METHOD: In this cross-sectional study, samples were obtained from 182 Iranian HBsAg positive patients who were admitted to the Bandar Abbas Blood Transfusion Organization in 2012 and 2013...
December 2016: Electronic Physician
https://www.readbyqxmd.com/read/28150144/p-hydroxyacetophenone-suppresses-nuclear-factor-%C3%AE%C2%BAb-related-inflammation-in-nociceptive-and-inflammatory-animal-models
#19
Chang Ching-Wen, Chen Yun-Chieh, Lin Yu-Chin, Peng Wen-Huang
p-Hydroxyacetophenone (HAP) is a crucial chemical compound present in plants of the genus Artemisia, which are used in traditional therapies for treating jaundice, hepatitis, and inflammatory diseases. Nevertheless, the bioactivity of HAP remains to be identified in order to prove its importance in the plants of genus Artemisia. This study investigated the antioxidative, antinociceptive, and anti-inflammatory effects of HAP, and probed its possible molecular mechanisms. Our results revealed that HAP (80 mg/kg, intraperitoneally) in vivo reduced the acetic acid-induced writhing response and formalin-induced licking time...
February 1, 2017: Journal of Natural Medicines
https://www.readbyqxmd.com/read/28148795/hepatitis-b-virus-encoded-mirna-controls-viral-replication
#20
Xi Yang, Hongfeng Li, Huahui Sun, Hongxia Fan, Yaqi Hu, Min Liu, Xin Li, Hua Tang
: microRNAs (miRNAs) are a class of small single-stranded non-coding functional RNAs. Hepatitis B virus (HBV) is an enveloped DNA virus with virions and subviral forms of particles that lack a core. It was not known whether HBV encodes miRNAs. Here, we identified an HBV-encoded miRNA (called HBV-miR-3) by deep sequencing and northern blot. HBV-miR-3 is located at nts 373-393 of the HBV genome and was generated from 3.5Kb, 2,4Kb and 2.1Kb HBV in classic miRNA biogenesis (Drosha-Dicer dependent) manner...
February 1, 2017: Journal of Virology
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