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Hepatitis B infection

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https://www.readbyqxmd.com/read/28102654/tuberculosis-and-tuberculin-skin-test-reactivity-in-pediatric-patients-with-celiac-disease
#1
Nafiye Urganci, Derya Kalyoncu
BACKGROUND: The aim of the study was to determine tuberculin skin test reactivity and associated factors in pediatric patients with celiac disease (CD). METHODS: Tuberculin skin test (TST) was performed on 28 patients with CD aged from 1 year to 15 years (mean, 6.64±4.8) and 28 healthy age and sex-matched children. The association between TST reactivity and parameters such as age, gender, malnutrition, clinical presentation, compliance to gluten free diet and response to hepatitis A and B vaccinations were determined...
February 2017: Minerva Pediatrica
https://www.readbyqxmd.com/read/28102638/farnesoid-x-receptor-ablation-sensitizes-mice-to-hepatitis-b-virus-x-protein-induced-hepatocarcinogenesis
#2
Yongdong Niu, Meishu Xu, Betty L Slagle, Haihua Huang, Song Li, Grace L Guo, Ganggang Shi, Wenxin Qin, Wen Xie
: Chronic hepatitis B virus infection is a major risk factor for hepatocellular carcinoma (HCC). Hepatitis B virus X protein (HBx) is a hepatitis B virus protein that has multiple cellular functions, but its role in HCC pathogenesis has been controversial. Farnesoid X receptor (FXR) is a nuclear receptor with activities in anti-inflammation and inhibition of hepatocarcinogenesis. However, whether or how FXR can impact hepatitis B virus/HBx-induced hepatocarcinogenesis remains unclear...
November 5, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28101146/bone-health-in-hiv-and-hepatitis-b-or-c-infections
#3
REVIEW
Emmanuel Biver, Alexandra Calmy, René Rizzoli
Chronic infections with human immunodeficiency virus (HIV), hepatitis B virus (HBV) or hepatitis C virus (HCV) add to age-dependent bone loss and may contribute to lower bone strength in the elderly. In this review, we report recent highlights on the epidemiology of bone fragility in chronic viral infections with HIV, HCV and HBV, its physiopathology and discuss the interference of antiviral therapies with bone metabolism. Chronic infections influence bone through the interactions between risk factors for bone fragility and falls (which are highly prevalent in infected patients), virus activity and antiviral drugs...
January 2017: Therapeutic Advances in Musculoskeletal Disease
https://www.readbyqxmd.com/read/28100376/-related-factors-for-severe-liver-fibrosis-in-chronic-hepatitis-c-patients-with-remunerated-blood-donation-history-in-jurong-of-jiangsu-province
#4
Y N Yao, P Huang, H B Chen, L Zhang, M Z Chen, R B Yu
Objective: The incidence of liver fibrosis in patients with chronic hepatitis C is high. Without effective treatment, it would lead to liver cirrhosis. This study is to identify the related factors for the incidence of liver fibrosis in patients with chronic hepatitis C in order to make early intervention treatment and reduce the case fatality rate. Methods: This cross-sectional survey was conducted in adults aged ≥50 years with local residence for more than 5 years in Jurong of Jiangsu province from March to May in 2015, the patients infected with hepatitis C virus through remunerated blood donation were screened and included in the analysis...
January 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28100374/-study-of-disease-burden-of-chronic-hepatitis-b-and-c-patients-in-shanghai-based-on-bronfenbrenner-s-ecological-systems-theory-a-community-based-survey
#5
H Ren, Y Shi, W Meng, J Y Hu, Y H Chen, Q C Pan
Objective: To systemically analyze family burden, quality of life of chronic hepatitis B and C patients in Shanghai and related influencing factors. Methods: A representative sample of chronic hepatitis patients (n=1 478) and their family members (n=1 478) was randomly selected through a multi-stage cluster sampling from 30 communities in 10 districts of Shanghai. One patient and one family member of each family were interviewed using different questionnaires to collect related information. Based on Bronfenbrenner' s ecological systems, psychological measurement, two-level random intercept model and multivariable structural equation model were applied to determine the effects and directions of the factors between life quality of chronic hepatitis patients and family burden...
January 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28099338/liver-steatosis-in-children-with-chronic-hepatitis-b-and-c-prevalence-predictors-and-impact-on-disease-progression
#6
Maria Pokorska-Śpiewak, Barbara Kowalik-Mikołajewska, Małgorzata Aniszewska, Magdalena Pluta, Bożena Walewska-Zielecka, Magdalena Marczyńska
Only scarce data on liver steatosis in children with chronic hepatitis B and C (CHB and CHC) are available. The objective of this study was to evaluate the prevalence, predictors, and impact of hepatic steatosis on children with CHB and CHC. A total of 78 patients aged 11.5 ± 3.4 years were included: 30 (38%) had CHB, and 48 (62%) had CHC. Steatosis was scored on a 5-point scale, as follows: absent; minimal (≤5% hepatocytes affected), mild (6-33%), moderate (34-66%), and severe (>66%). Stepwise logistic regression was used to determine the factors associated with steatosis and moderate-to-severe steatosis...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28099188/hepatitis-b-incidence-and-prevention-with-antiretroviral-therapy-among-hiv-positive-individuals-in-rakai-uganda
#7
Emmanuel Seremba, Victor Ssempijja, Sarah Kalibbala, Ronald H Gray, Maria J Wawer, Fred Nalugoda, Corey Casper, Warren T Phipps, Ponsiano Ocama, David Serwadda, David L Thomas, Steven Reynolds
OBJECTIVE: Antiretroviral therapy (ART) may interfere with replication of hepatitis B (HBV) raising the hypothesis that HBV infection might be prevented by ART. We investigated the incidence and risk factors associated with HBV among HIV-infected adults in Rakai, Uganda. METHODS: We screened stored sera from 944 HIV-infected adults enrolled in the Rakai Community Cohort Study between September 2003 and March 2015 for evidence of HBV exposure. Serum from participants who tested anti-HBc negative (497) at baseline were tested over 3-7 consecutive survey rounds for incident HBV...
January 17, 2017: AIDS
https://www.readbyqxmd.com/read/28099077/disease-complexity-in-a-declining-alaskan-muskox-ovibos-moschatus-population
#8
Josephine A Afema, Kimberlee B Beckmen, Stephen M Arthur, Kathy Burek Huntington, Jonna A K Mazet
The muskox ( Ovibos moschatus ) population inhabiting the eastern North Slope (ENS) of Alaska declined dramatically during 1999-2006, whereas populations in western Alaska (WA) were stable or increasing. To understand morbidity and mortality factors contributing to the decline, Alaska Department of Fish and Game conducted pathologic investigations of carcasses from 2005 until 2008. Additionally, archived sera from both ENS and WA muskoxen collected during 1984-1992, before the documented beginning of the ENS decline; sera collected during 2000, near the beginning of the decline; and contemporary sera (from live capture-release, adult females) collected during 2006, 2007, and 2008 were analyzed to determine whether prevalence of antibody to potential pathogens differed in the two areas or changed over time...
January 18, 2017: Journal of Wildlife Diseases
https://www.readbyqxmd.com/read/28098260/hepatitis-b-virus-x-protein-is-capable-of-down-regulating-protein-level-of-host-antiviral-protein-apobec3g
#9
Ruidong Chen, Xue Zhao, Yongxiang Wang, Youhua Xie, Jing Liu
The apolipoprotein B mRNA editing catalytic polypeptide-like (APOBEC) family proteins bind RNA and single-stranded DNA, and create C-to-U base modifications through cytidine deaminase activity. APOBEC3G restricts human immunodeficiency virus 1 (HIV-1) infection by creating hypermutations in proviral DNA, while HIV-1-encoded vif protein antagonizes such restriction by targeting APOBEC3G for degradation. APOBEC3G also inhibits hepatitis B virus (HBV): APOBEC3G co-expression inhibits HBV replication and evidences exist indicating APOBEC3G-mediated HBV hypermutations in patients...
January 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28098111/incidence-of-hepatitis-c-virus-seroconversion-among-hemodialysis-patients-in-the-nile-delta-of-egypt-a-single-center-study
#10
Amany Talaat Kamal, Mohamed Nazmy Farres, Abeer Mohamed Eissa, Naglaa Ahmed Arafa, Raafat Saad Abdel-Reheem
Egypt has the highest worldwide prevalence of hepatitis C virus (HCV) infection, caused in part by nosocomial transmission. Patients on hemodialysis (HD) are at especially high risk of infection. We aimed to estimate the incidence of seroconversion among HCV-negative patients undergoing regular HD at a unit in a large public hospital in the Nile Delta of Egypt, which implements the Egyptian Ministry of Health guidelines for infection control, and an isolation policy for hepatitis-positive patients. We also assessed the adherence to infection control practices and evaluated nurses and physicians' knowledge and attitude toward infection control procedures...
January 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28097434/work-related-infections-in-dentistry-risk-perception-and-preventive-measures
#11
Tatjana Ramich, Peter Eickholz, Sabine Wicker
OBJECTIVES: Evaluation of (1) the risk perception of work-related infections in dentistry, (2) the vaccination status, (3) knowledge of the blood-borne pathogens and HIV post-exposure prophylaxis (PEP) as well as (4) use of personal protective equipment (PPE) (gloves, goggles, mask) among the staff and students of the Center of Dentistry and Oral Medicine (ZZMK [Carolinum]) of the Goethe University Frankfurt/Main. MATERIAL AND METHODS: All staff (dentists, dental assistants) and students of the ZZMK with direct contact to patients were asked to anonymously complete a questionnaire...
January 18, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28097099/comparison-of-vitamin-d-levels-in-naive-treated-and-inactive-carriers-with-chronic-hepatitis-b-virus
#12
Shahnaz Sali, Soheil Tavakolpour, Baharan Farkhondemehr
Background and Aims: During recent years, the relationship between vitamin D levels and chronic hepatitis B (CHB) infection has attracted many researchers' attention. However, the results relating to the association of vitamin D levels and HBV infection have been conflicting and there remains a lack of knowledge about the effects of antiviral treatments on vitamin D level. Methods: Eighty-four patients with CHB were assessed and divided into three groups: inactive carriers (n = 28), treated (n = 34), and new (treatment-naïve) cases (n = 22)...
December 28, 2016: Journal of Clinical and Translational Hepatology
https://www.readbyqxmd.com/read/28095508/the-smc5-6-complex-restricts-hbv-when-localized-to-nd10-without-inducing-an-innate-immune-response-and-is-counteracted-by-the-hbv-x-protein-shortly-after-infection
#13
Congrong Niu, Christine M Livingston, Li Li, Rudolf K Beran, Stephane Daffis, Dhivya Ramakrishnan, Dara Burdette, Leanne Peiser, Eduardo Salas, Hilario Ramos, Mei Yu, Guofeng Cheng, Michel Strubin, William E Delaney Iv, Simon P Fletcher
The structural maintenance of chromosome 5/6 complex (Smc5/6) is a restriction factor that represses hepatitis B virus (HBV) transcription. HBV counters this restriction by expressing HBV X protein (HBx), which targets Smc5/6 for degradation. However, the mechanism by which Smc5/6 suppresses HBV transcription and how HBx is initially expressed is not known. In this study we characterized viral kinetics and the host response during HBV infection of primary human hepatocytes (PHH) to address these unresolved questions...
2017: PloS One
https://www.readbyqxmd.com/read/28094553/burden-of-hiv-syphilis-and-hepatitis-b-and-c-among-inmates-in-a-prison-state-system-in-mexico
#14
Pablo F Belaunzaran-Zamudio, Juan Luis Mosqueda-Gómez, Alejandro Macías-Hernández, Sonia Rodríguez-Ramírez, Juan Sierra-Madero, Chris Beyrer
We studied the prevalence of HIV, syphilis, HBV and HCV infection and associated risk behaviors in the prison state system of Guanajuato, Mexico between September 2011 and February 2012. Blood samples were drawn from adult inmates in all State prisons agreeing to participate in this cross-sectional study. Data on risk behaviors was collected using self-administered questionnaires. Prevalence of HIV, syphilis, HBV and HCV infection was 0.6% (95%CI=0.2-1.1), 0.7% (95%CI=0.4-1.0), 0.4 (95%CI=0.04-0.74) and 4.8 (95%CI=3...
January 17, 2017: AIDS Research and Human Retroviruses
https://www.readbyqxmd.com/read/28093538/prevalence-and-determinants-of-cryptosporidium-infection-in-an-underdeveloped-rural-region-of-southwestern-china
#15
Ya Yang, Yibiao Zhou, Wanting Cheng, Xiang Pan, Penglei Xiao, Yan Shi, Jianchuan Gao, Xiuxia Song, Yue Chen, Qingwu Jiang
Few studies have focused on the epidemiology of Cryptosporidium in resource-challenged settings in China. We report a community-based cross-sectional study to investigate the prevalence of Cryptosporidium infection and its risk factors and associations with hepatitis B virus (HBV), hepatitis C virus (HCV), and human immunodeficiency virus (HIV) infections. The prevalence of Cryptosporidium infection was 12.6% (95% confidence interval = 11.0-14.3). Individuals living in households with ≥ 5 family members and raising domestic pigs tended to have a greater risk of Cryptosporidium infection...
January 16, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28093483/treatment-simplification-to-atazanavir-ritonavir%C3%A2-%C3%A2-lamivudine-versus-maintenance-of-atazanavir-ritonavir%C3%A2-%C3%A2-two-nrtis-in-virologically-suppressed-hiv-1-infected-patients-48-week-results-from-a-randomized-trial-atlas-m
#16
Simona Di Giambenedetto, Massimiliano Fabbiani, Eugenia Quiros Roldan, Alessandra Latini, Gabriella D'Ettorre, Andrea Antinori, Antonella Castagna, Giancarlo Orofino, Daniela Francisci, Pierangelo Chinello, Giordano Madeddu, Pierfrancesco Grima, Stefano Rusconi, Massimo Di Pietro, Annalisa Mondi, Nicoletta Ciccarelli, Alberto Borghetti, Emanuele Focà, Manuela Colafigli, Andrea De Luca, Roberto Cauda
BACKGROUND: Combination ART (cART)-related toxicities and costs have prompted the need for treatment simplification. The ATLAS-M trial explored 48 week non-inferior efficacy of simplification to atazanavir/ritonavir  +  lamivudine versus maintaining three-drug atazanavir/ritonavir-based cART in virologically suppressed patients. METHODS: We performed an open-label, multicentre, randomized, non-inferiority study, enrolling HIV-infected adults on atazanavir/ritonavir + two NRTIs, with stable HIV-RNA <50 copies/mL and CD4 + >200 cells/mm(3) Main exclusion criteria were hepatitis B virus coinfection, past virological failure on or resistance to study drugs, recent AIDS and pregnancy...
January 15, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28093193/hbxip-over-expression-as-an-independent-biomarker-for-cervical-cancer
#17
Nan Li, Yixuan Wang, Shuanlong Che, Yang Yang, Junjie Piao, Shuangping Liu, Zhenhua Lin
BACKGROUND: Emerging evidence demonstrated that hepatitis B virus X-interacting protein (HBXIP) has broad roles in cancers. However, high-level expression of HBXIP has been correlated with human malignancies, suggesting roles in carcinogenesis and tumor progression. The aim of the study is to investigate the role and mechanism of HBXIP oncogene and the correlation to the clinicopathological status in cervical cancers. METHODS: A total of 107 cervical cancer patients with strict follow-up, 105 cervical intraepithelial neoplasia (CIN) and 31 normal cervical epithelia samples were selected for immunohistochemical (IHC) staining of HBXIP protein...
January 13, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/28093123/synthesis-of-stable-isotopically-labeled-peptides-with-filter-assisted-enzymatic-labeling-for-the-diagnosis-of-hepatitis-b-virus-infection-utilizing-mass-spectrometry-based-proteomics-strategy
#18
Hsing-Fen Tsai, He-Hsuan Hsiao
A facile method for the preparation of stable isotopically labeled peptides was developed by means of filter-assisted tryptic (16)O/(18)O water labeling, which could be directly applied to the determination of hepatitis B virus infection from human serum with tandem mass spectrometry. Tryptic peptides of hepatitis B surface antigen or hepatitis B e antigen from different subtypes of hepatitis B virus were synthesized with traditional solid-phase peptide synthesis as potential biomarkers. Trypsin catalyzed oxygen-18 exchange at their amidated c-terminus of arginine or lysine residue...
March 1, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28092416/persistence-of-antibody-to-hepatitis-a-virus-20-years-after-receipt-of-hepatitis-a-vaccine-in-alaska
#19
Ian D Plumb, Lisa R Bulkow, Michael G Bruce, Thomas W Hennessy, Julie Morris, Karen Rudolph, Philip Spradling, Mary Snowball, Brian J McMahon
Hepatitis A vaccine is recommended for children ≥1 year old to prevent hepatitis A virus (HAV) infection. However the duration of vaccine-induced immunity is unknown. We evaluated a cohort of Alaska Native persons 20 years after HAV vaccination. Children aged 3-6 years had been previously randomized to receive 3 doses of HAV vaccine (360 ELISA units/dose) at: A) 0,1,2 months; B) 0,1,6 months; and C) 0,1,12 months. We measured anti-HAV antibody concentrations every 2-3 years; described geometric mean concentrations (GMC) and the proportion with protective antibody (≥20 mIU mL-1) over time; and modelled change in GMC using fractional polynomial regression...
January 16, 2017: Journal of Viral Hepatitis
https://www.readbyqxmd.com/read/28092214/treatment-of-delta-hepatitis-today-and-in-the-future-a-review
#20
Ibrahim Halil Bahcecioglu, Abdurrahman Sahin
Hepatitis delta virus (HDV) is a defective satellite virus and propagates in the presence of Hepatitis B virus (HBV) surface antigen (HBsAg). Approximately 5% of the people who infected with HBV are also infected with HDV. Chronic hepatitis caused by delta is the most severe form of chronic viral hepatitis including accelerated fibrosis, liver decompensation and development of hepatocellular carcinoma. Interferon-based therapies still remain the only treatment option of the hepatitis delta. The beneficiary effects of the interferon-based therapies, however, stop frequently with termination of the given therapy and relapse rate is very high...
January 16, 2017: Infectious Diseases
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