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https://www.readbyqxmd.com/read/28441176/long-term-nitrite-inhalant-exposure-and-cancer-risk-in-msm
#1
Anupriya Dutta, Hajime Uno, Alex Holman, David R Lorenz, Steven M Wolinsky, Dana Gabuzda
OBJECTIVES: Nitrite inhalants (poppers) are commonly used recreational drugs among MSM and were previously associated with elevated rates of high-risk sexual behavior, HIV and human herpesvirus type 8 (HHV-8) seroconversion, and transient immunosuppressive effects in experimental models. Whether long-term popper use is associated with cancer risk among MSM in the HAART era is unclear. DESIGN: Prospective cohort study of cancer risk in 3223 HIV-infected and uninfected MSM in the Multicenter AIDS Cohort Study from 1996-2010...
May 15, 2017: AIDS
https://www.readbyqxmd.com/read/28440785/impacts-of-hbv-rth55r-polymerase-substitution-on-viral-replication-and-rtm204i-v-resistance-to-nucleoside-nucleotide-antiviral-drugs
#2
Kuan-Hui Xiang, Cheng-Yu Zhao, Shuai Wang, Yao Li, Ming-Ze Su, Qiang-Yi Wang, Xi-Zhan Xu, Juan Deng, Hui Zhuang, Tong Li
BACKGROUND: High genetic variability at reverse transcriptase (RT) region of hepatitis B virus (HBV) could confer resistance to nucleos(t)ide analogues (NUCs). The aim of this study was to identify new RT amino acid (AA) substitutions related to NUCs resistance. METHODS: HBV RT sequences of genotype C from 501 chronic hepatitis B (CHB) patients were analyzed to identify potential RT substitutions related to NUCs resistance. In vitro studies without and with NUCs were performed in HepG2 cell line transfected by clones with RT harboring wild-type or substituted AA(s) of interest...
April 25, 2017: Antiviral Therapy
https://www.readbyqxmd.com/read/28440732/expression-of-microrna-let-7a-positively-correlates-with-hepatitis-b-virus-replication-in-hepatocellular-carcinoma-tissues
#3
Dongni Qiu, Jian Chen, Jie Liu, Zhongguang Luo, Weiru Jiang, Jianping Huang, Zhibing Qiu, Wenjie Yue, Lijun Wu
Let-7a miRNA is downregulated in various cancers. However, in hepatocellular carcinoma (HCC) patients infected with hepatitis B virus (HBV), the relationship between let-7a and HBV replication has not been fully elucidated. Liver specimens were collected from 23 HCC patients with chronically active HBV. The serum levels of the HBV antigens hepatitis B surface antigen (HBsAg) and hepatitis B virus e antigen (HBeAg), and the HBV antibodies, anti-HBs, anti-HBe and anti-hepatitis B core antigen (anti-HBc) were measured using the microparticle enzyme immunoassay...
May 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28440484/expression-of-programmed-cell-death1-in-t-follicular-helper-cells-is-regulated-by-prostaglandin-e2-secreted-by-hbv-infected-hepg2-2-1-5-cells
#4
Zhefeng Sui, Ying Shi, Zhiling Gao, Deguang Yang, Zhihao Wang
The present study aimed to investigate the distribution of T follicular helper (Tfh)-cell subsets in patients with hepatitis B virus (HBV) and determine the underlying mechanism of HBV regulation of Tfh cells. The frequency of peripheral blood Tfh subsets was analyzed using flow cytometry. The expression level of programmed cell death‑1 (PD‑1) and prostaglandin E2 (PGE2) was quantified using reverse transcription‑quantitative polymerase chain reaction and western blotting. The PGE2 level in culture supernatant was detected using enzyme‑linked immunosorbent assay...
April 24, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28440304/the-natural-history-of-severe-acute-liver-injury
#5
David G Koch, J L Speiser, V Durkalski, R J Fontana, T Davern, B McGuire, R T Stravitz, A M Larson, I Liou, O Fix, M L Schilsky, T McCashland, J E Hay, N Murray, O S Shaikh, D Ganger, A Zaman, S B Han, R T Chung, R S Brown, S Munoz, K R Reddy, L Rossaro, R Satyanarayana, A J Hanje, J Olson, R M Subramanian, C Karvellas, B Hameed, A H Sherker, W M Lee, A Reuben
OBJECTIVES: Acute liver failure (ALF) is classically defined by coagulopathy and hepatic encephalopathy (HE); however, acute liver injury (ALI), i.e., severe acute hepatocyte necrosis without HE, has not been carefully defined nor studied. Our aim is to describe the clinical course of specifically defined ALI, including the risk and clinical predictors of poor outcomes, namely progression to ALF, the need for liver transplantation (LT) and death. METHODS: 386 subjects prospectively enrolled in the Acute Liver Failure Study Group registry between 1 September 2008 through 25 October 2013, met criteria for ALI: International Normalized Ratio (INR)≥2...
April 25, 2017: American Journal of Gastroenterology
https://www.readbyqxmd.com/read/28439708/hepatitis-b-virus-infection-assessed-3-to-18%C3%A2-years-after-vaccination-in-cuban-children-and-adolescents-born-to-hbsag-positive-mothers
#6
Licel de Los Angeles Rodríguez Lay, Marité Bello Corredor, Maria Caridad Montalvo Villalba, Annia Gertrudis Chibás Ojeda, Susel Sariego Frómeta, Manuel Diaz González, Yoandra Abad Lamoth, Meilin Sánchez Wong, Aurélie Sausy, Claude P Muller, Judith M Hübschen
Thirty-two participants, aged between 3-18 years, born to hepatitis B surface antigen (HBsAg)-positive mothers and vaccinated at birth were analyzed for hepatitis B virus (HBV) infection. Overall, 56% had anti-HB titers ≥10 IU/L; five were positive for antibodies to the core antigen (anti-HBc), and two of these were also positive for HBsAg/DNA. One of the HBsAg/anti-HBc double-negative children presented with an unusual occult infection (HBV DNA-positive). No known vaccine escape mutations were detectable...
April 24, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28439184/systemic-inflammation-and-viral-exposure-among-young-mexican-american-women-nativity-related-differences
#7
Natalya Rosenberg, Martha L Daviglus, Holli A DeVon, Chang Gi Park, Kamal Eldeirawi
BACKGROUND: Factors contributing to elevated inflammation in racial/ethnic minority populations are not well understood. We examined the association of viral exposure with C-reactive protein (CRP) in young Mexican American women. METHODS AND RESULTS: Participants (N=1,141) were currently non-pregnant women of Mexican background, aged 18-39 years, from the cross-sectional National Health and Nutrition Examination Survey (NHANES) 1999-2010. Viral exposure was defined as seropositive status for hepatitis B, and herpes simplex types 1 and 2, and classified as seronegative, seropositive for any one agent, and seropositive for 2 or 3 agents...
2017: Ethnicity & Disease
https://www.readbyqxmd.com/read/28438570/analysis-of-intrahepatic-total-hbv-dna-cccdna-and-serum-hbsag-level-in-chronic-hepatitis-b-patients-with-undetectable-serum-hbv-dna-during-oral-antiviral-therapy
#8
Jie Li, Xizhen Sun, Jianting Fang, Chuanxi Wang, Guoqing Han, Wanhua Ren
BACKGROUND: This study aimed to investigate the relationship between intrahepatic cccDNA and serum HBsAg in chronic Hepatitis B (CHB) patients with undetectable serum HBV DNA during antiviral therapy. METHODS: We investigated HBsAg serum levels and their relationship to intrahepatic total cccDNA and HBV DNA in CHB patients with undetectable serum HBV DNA during oral antiviral therapy. Intrahepatic cccDNA and HBV DNA quantitation were performed in the same needle biopsy material, while serum HBsAg, HBeAg and HBV DNA levels were measured in samples drawn on the day of the liver biopsy...
April 21, 2017: Clinics and Research in Hepatology and Gastroenterology
https://www.readbyqxmd.com/read/28437891/the-therapeutic-effect-of-nano-encapsulated-and-nano-emulsion-forms-of-carvacrol-on-experimental-liver-fibrosis
#9
Jihan Hussein, Mona El-Banna, Khaled F Mahmoud, Safaa Morsy, Yasmin Abdel Latif, Dalia Medhat, Eman Refaat, Abdel Razik Farrag, Sherien M El-Daly
OBJECTIVE: The present study aimed to compare the therapeutic efficiency of nano-encapsulated and nano-emulsion carvacrol administration on liver injury in thioacetamide (TAA) treated rats. METHODS: To fulfill our target, we used sixty male albino rats classified into six groups as follow: control, nano-encapsulated carvacrol, nano-emulsion carvacrol, thioacetamide, treated nano-encapsulated carvacrol and treated nano-emulsion carvacrol groups. Blood samples were collected from all groups and the separated serum was used for analysis of the following biochemical parameters; aspartate aminotransferase (AST), alanine aminotransferase (ALT), S100 B protein, alpha fetoprotein (AFP) and caspase-3...
April 20, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28437872/low-level-viremia-in-hepatitis-b-patients-on-antiviral-treatment-can-we-ignore-it
#10
EDITORIAL
Albert D Min
No abstract text is available yet for this article.
April 24, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28437794/hepatitis-b-virus-reactivation-associated-with-direct-acting-antiviral-therapy-for-chronic-hepatitis-c-virus-a-review-of-cases-reported-to-the-u-s-food-and-drug-administration-adverse-event-reporting-system
#11
Susan J Bersoff-Matcha, Kelly Cao, Mihaela Jason, Adebola Ajao, S Christopher Jones, Tamra Meyer, Allen Brinker
Background: Direct-acting antiviral agents (DAAs) are used increasingly to treat hepatitis C virus (HCV) infection. Reports were published recently on hepatitis B virus (HBV) reactivation (HBV-R) in patients with HBV-HCV co-infection. Hepatitis B virus reactivation, defined as an abrupt increase in HBV replication in patients with inactive or resolved HBV infection, may result in clinically significant hepatitis. Objective: To assess whether HBV-R is a safety concern in patients receiving HCV DAAs...
April 25, 2017: Annals of Internal Medicine
https://www.readbyqxmd.com/read/28437791/early-introduction-of-subcutaneous-hepatitis-b-immunoglobulin-following-liver-transplantation-for-hepatitis-b-virus-infection-a-prospective-multicenter-study-erratum
#12
(no author information available yet)
No abstract text is available yet for this article.
May 2017: Transplantation
https://www.readbyqxmd.com/read/28437385/before-or-after-transplantation-a-review-of-the-cost-effectiveness-of-treating-waitlisted-patients-with-hepatitis-c
#13
Elliot B Tapper, Nezam H Afdhal, Michael P Curry
All patients with chronic hepatitis C virus (HCV) infections can and should be treated. Though highly effective direct-acting antiviral therapies are costly, the price of a cure is a 1-time investment that is outweighed by future benefits. For clinicians caring for patients requiring liver transplant, the key question relates to the timing of treatment: before or after liver transplantation? On 1 hand, treating HCV often improves our patients' model for end-stage liver disease (MELD) score, decreasing costs, and potentially improving longevity by reducing our patients' risk of death and transplantation...
May 2017: Transplantation
https://www.readbyqxmd.com/read/28437324/noncirrhotic-portal-fibrosis-in-pediatric-population
#14
Vikrant Sood, Bikrant B Lal, Rajeev Khanna, Dinesh Rawat, Chhagan Bihari, Seema Alam
OBJECTIVES: Noncirrhotic portal fibrosis (NCPF) has been classically described as a disease of young to middle age with limited literature regarding its occurrence, onset, or clinical presentation in children. We hereby present a series of 19 patients diagnosed and managed as NCPF in pediatric age group. METHODS: A retrospective review of all the patients presenting to the pediatric hepatology department (age <18 years) and diagnosed as NCPF was done and data were evaluated...
May 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28437308/effectiveness-of-shotblocker-for-immunization-pain-in-full-term-neonates-a-randomized-controlled-trial
#15
Seda Caglar, Funda Büyükyılmaz, Gülhan Coşansu, Sabiha Çağlayan
Nonpharmacologic strategies exist to manage procedural pain in healthy newborn infants. The aim of this prospective randomized controlled trial (RCT) was to examine the efficacy of ShotBlocker for managing injection pain associated with the first intramuscular hepatitis B vaccine given to healthy full-term neonates. This randomized controlled trial study was conducted in a private university hospital in Istanbul, Turkey, in which 100 healthy term neonates were randomly assigned to either a ShotBlocker (n = 50) or control group (n = 50)...
April 2017: Journal of Perinatal & Neonatal Nursing
https://www.readbyqxmd.com/read/28437222/laparoscopic-anatomical-segment-2-segmentectomy-by-the-glissonian-approach
#16
Kit-Man Ho, Ho-Seong Han, Yoo-Seok Yoon, Jai Young Cho, Young Rok Choi, Jae Seong Jang, Seong Uk Kwon, Sungho Kim, Jang Kyu Choi
BACKGROUND: When hepatocellular carcinoma (HCC) was located in segment 2 (S2), segment-oriented hepatectomy was more beneficial than left lateral sectionectomy as this type of anatomical resection preserved the volume of the nontumor-bearing segment. Herein, we presented 2 cases (1 with video) of laparoscopic anatomical S2 segmentectomy by the Glissonian approach. METHODS: The first patient was a 69-year-old woman, who had an incidentally detected liver nodule on abdominal ultrasound for systemic surveillance for her breast cancer...
October 19, 2016: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28436740/major-immunodominant-region-of-hepatitis-b-virus-core-antigen-as-a-delivery-vector-to-improve-the-immunogenicity-of-the-fusion-antigen-rop2-sag1-multiepitope-from-toxoplasma-gondii-in-mice
#17
Wenhuan Wang, Fangfang Feng, Jinhui Lv, Zixin Xie, Jun Chen, Lifang Zhang, Wenshu Li
To prepare the dominant multiepitope fusion antigen ROP2-SAG1 (RSmultiepitope) from Toxoplasma gondii in a prokaryotic system, the major immunodominant region (MIR) of the human hepatitis B virus core antigen (HBcAg(MIR)) was used as a delivery vector. The gene encoding the RSmultiepitope was inserted into HBcAg(MIR), and rHBcAg(MIR)-RSmultiepitope was prepared, purified, and administered to BALB/c mice through intradermal injection. An indirect enzyme-linked immunosorbent assay analysis based on a multiepitope peptide facilitated the specific differentiation of sera obtained from mice immunized with the rHBcAg(MIR)-RSmultiepitope protein, and high titers (greater than 1:6,400) of specific anti-RSmultiepitope antibodies were obtained...
April 24, 2017: Viral Immunology
https://www.readbyqxmd.com/read/28436552/systematic-review-with-meta-analysis-the-efficacy-and-safety-of-tenofovir-to-prevent-mother-to-child-transmission-of-hepatitis-b-virus
#18
REVIEW
M H Hyun, Y-S Lee, J H Kim, J H Je, Y J Yoo, J E Yeon, K S Byun
BACKGROUND: Preventing mother to child transmission of chronic hepatitis B infection in the setting of a high maternal viral load is challenging. The idea has emerged from antepartum tenofovir treatment with combination immunoprophylaxis. AIMS: To demonstrate the efficacy and safety of tenofovir to prevent mother to child transmission of hepatitis B virus. METHODS: PubMed, EMBASE, and Cochrane databases were searched through August 16, 2016...
April 24, 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28436459/identification-of-pro-inflammatory-cd205-macrophages-in-livers-of-hepatitis-b-virus-transgenic-mice-and-patients-with-chronic-hepatitis-b
#19
Liang Yong, Minmin Li, Yimin Gao, Yanru Deng, Wenbin Liu, Dake Huang, Cuiping Ren, Miao Liu, Jijia Shen, Xin Hou
Hepatic macrophages play a central role in disease pathogenesis during hepatitis B virus (HBV) infection. Our previous study found that CD205(+) macrophages in the liver of hepatitis B surface antigen transgenic (HBs-Tg) mice increased significantly compared with those in wild-type mice, and these increased CD205(+) macrophages were involved in CpG-oligodeoxynucleotide-induced liver injury in HBs-Tg mice. Here, we analysed the phenotype and function of CD205(+) macrophages derived from the liver of HBs-Tg mice and patients with chronic hepatitis B (CHB)...
April 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28436380/tenofovir-disoproxil-fumarate-monotherapy-is-superior-to-entecavir-adefovir-combination-therapy-in-patients-with-suboptimal-response-to-lamivudine-adefovir-therapy-for-nucleoside-resistant-hbv-a-96-week-prospective-multicenter-trial
#20
Sae Hwan Lee, Gab Jin Cheon, Hong Soo Kim, Sang Gyune Kim, Young Seok Kim, Soung Won Jeong, Jae Young Jang, Boo Sung Kim, Baek Gyu Jun, Young Don Kim, Dae Won Jun, Joo Hyun Sohn, Tae Yeob Kim, Byung Seok Lee
BACKGROUND: A complete virologic response is closely related to the long-term outcome of patients with chronic hepatitis B and prevention of emerging hepatitis B virus (HBV) mutations. We aimed to evaluate the efficacy of tenofovir disoproxil fumarate (TDF) monotherapy compared to entecavir-adefovir dipivoxil (ETV-ADV) combination therapy in patients with suboptimal responses to long-term lamivudine-adefovir dipivoxil (LAM-ADV) therapy for nucleoside analogue-resistant chronic hepatitis B...
April 24, 2017: Antiviral Therapy
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