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https://www.readbyqxmd.com/read/28304106/therapeutic-plasma-exchange-versus-double-plasma-molecular-absorption-system-in-hepatitis-b-virus-infected-acute-on-chronic-liver-failure-treated-by-entercavir-a-prospective-study
#1
Yue-Meng Wan, Yu-Hua Li, Zhi-Yuan Xu, Jing Yang, Li-Hong Yang, Ying Xu, Jin-Hui Yang
BACKGROUND: Therapeutic plasma exchange (TPE) and double plasma molecular absorption system (DPMAS) were two extracorporeal liver support systems. Few studies compared their efficacy profile. OBJECTIVE: This study was to compare the efficacy of TPE and DPMAS on acute-on-chronic liver failure (ACLF) caused by hepatitis B virus (HBV-ACLF). METHODS: 60 HBV-ACLF patients were enrolled and prospectively studied. All patients received entecavir therapy, and were assigned to TPE group (n = 33) and DPMAS group (n = 27)...
March 17, 2017: Journal of Clinical Apheresis
https://www.readbyqxmd.com/read/28242843/label-free-proteomic-analysis-of-exosomes-derived-from-inducible-hepatitis-b-virus-replicating-hepad38-cell-line
#2
Xiaofang Jia, Jieliang Chen, Dominik A Megger, Xiaonan Zhang, Maya Kozlowski, Lijun Zhang, Zhong Fang, Jin Li, Qiaofang Chu, Min Wu, Yaming Li, Barbara Sitek, Zhenghong Yuan
Hepatitis B virus (HBV) infection is a major health problem worldwide. Recent evidence suggests that some viruses can manipulate the infection process by packing specific viral and cellular components into exosomes, small nanometer-sized (30-150 nm) vesicles secreted from various cells. However, the impact of HBV replication on the content of exosomes produced by hepatocytes has not been fully delineated. In this work, an HBV-inducible cell line HepAD38 was used to directly compare changes in the protein content of exosomes secreted from HepAD38 cells with or without HBV replication...
February 27, 2017: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/28214886/adenovirus-vector-harboring-the-hbcag-and-tripeptidyl-peptidase-ii-genes-induces-potent-cellular-immune-responses-in-vivo
#3
Quanhui Tan, Siyuan Ma, Jianjun Hu, Xiaohua Chen, Yongsheng Yu, Zhenghao Tang, Guoqin Zang
BACKGROUND: Chronic hepatitis B virus (HBV) infection is associated with a weak but specific cellular immune response of the host to HBV. Tripeptidyl peptidaseⅡ (TPPⅡ), an intracellular macromolecule and proteolytic enzyme, plays an important complementary and compensatory role for the proteasome during viral protein degradation and major histocompatibility complex class I antigen presentation by inducing a specific cellular immune response in vivo. Based on a previous study, we aimed to explore the role of MHC class I antigen presentation in vivo and the mechanisms that may be involved...
January 27, 2017: Cellular Physiology and Biochemistry
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
#4
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/28073409/-a-study-of-immune-response-to-hbsag-mediated-by-cd4-memory-t-lymphocytes-in-immunized-hbv-transgenic-mice
#5
Y Li, J H Chen, X G Shu, J H Chen, Q H Xia, W Z Yuan, L Wu, Q Tang, G B Wang
Objective: To investigate the mechanism of immune response to HBsAg mediated by CD4+ memory T lymphocytes in immunized HBV transgenic (Tg) mice. Methods: Peripheral CD4+ memory T lymphocytes were isolated and collected by magnetic bead sorting from C57BL/6 mice successfully immunized by hepatitis B vaccine. Adoptive immunization was performed for Tg mice by caudal vein injection, and the peripheral blood was collected at 4 and 8 weeks after adoptive immunization. Enzyme-linked immunosorbent assay was used to measure the levels of HBsAg, anti-HBs, interferon-γ (IFNγ), and interleukin-2 (IL-2), and immunohistochemistry was used to measure the level of HBsAg in the liver...
December 20, 2016: Zhonghua Gan Zang Bing za Zhi, Zhonghua Ganzangbing Zazhi, Chinese Journal of Hepatology
https://www.readbyqxmd.com/read/28061755/high-serum-resistin-associates-with-intrahepatic-inflammation-and-necrosis-an-index-of-disease-severity-for-patients-with-chronic-hbv-infection
#6
Zhongji Meng, Yonghong Zhang, Zhiqiang Wei, Ping Liu, Jian Kang, Yinhua Zhang, Deqiang Ma, Changzheng Ke, Yue Chen, Jie Luo, Zuojiong Gong
BACKGROUND: Studies have revealed that resistin plays a role as an intrahepatic cytokine with proinflammatory activities. This study investigated the association between serum resistin and fibrosis severity and the possible marker role of resistin in the inflammatory process of chronic hepatitis B. METHODS: In this study, 234 subjects with HBV infection were retrospectively selected, including 85 patients with chronic hepatitis B (CHB), 70 patients with HBV-related liver cirrhosis (LC-B), and 79 patients with HBV-related liver failure (LF-B)...
January 7, 2017: BMC Gastroenterology
https://www.readbyqxmd.com/read/28058287/impact-of-il-27-on-hepatocyte-antiviral-gene-expression-and-function
#7
Narayan Ramamurthy, Sara Boninsegna, Rebecca Adams, Natasha Sahgal, Helen Lockstone, Dilair Baban, Emanuele Marchi, Paul Klenerman
Background: Interleukin (IL)-27 is a member of the IL-6/IL-12 family of cytokines. It is a potent cytokine, with potential antiviral impact, and has been shown to play a role in modulating functions of diverse cell types, including Th1, Th2, and NK and B cells, demonstrating both pro- and anti-inflammatory roles.  In hepatocytes, it is capable of inducing signal transducer and activator of transcription (STAT)1, STAT3 and interferon-stimulated genes. Methods: To address its role in viral hepatitis, the antiviral activity of IL-27 against hepatitis C virus (HCV) and hepatitis B virus (HBV) was tested in vitro using cell-culture-derived infectious HCV (HCVcc) cell culture system and the HepaRG HBV cell culture model...
November 17, 2016: Wellcome Open Res
https://www.readbyqxmd.com/read/28051794/%C3%A2-effects-of-interleukin-4-and-interleukin-12b-gene-polymorphisms-on-hepatitis-b-virus-vaccination
#8
COMPARATIVE STUDY
Eun Youn Roh, Eun Young Song, Jong Hyun Yoon, Sohee Oh, Ju Young Chang, Hyunwoong Park, Soo Hyun Seo, Sue Shin
 Approximately 10% of individuals do not respond to hepatitis B virus (HBV) vaccination, i.e. non-responders (NRs). We aimed to investigate the association of interleukin (IL)-4 and IL-12B gene polymorphisms with responsiveness to the HBV vaccine in Korean infants. Among 300 healthy infants (9-12 month), SNPs for the IL-4 gene (rs2243250, rs2070874, and rs2227284) and for the IL-12B gene (rs3213094 and rs17860508) were compared between subgroups in terms of the response to HBV vaccination. The percentages of NRs (< 10 mIU/mL), low-titer responders (LRs, 10-100 mIU/mL), and high-titer responders (HRs, ≥ 100 mIU/mL) were 20...
January 2017: Annals of Hepatology
https://www.readbyqxmd.com/read/28041935/role-of-interleukin-23-in-monocyte-derived-dendritic-cells-of-hbv-related-acute-on-chronic-liver-failure-and-its-correlation-with-the-severity-of-liver-damage
#9
Suxia Bao, Jianming Zheng, Ning Li, Chong Huang, Mingquan Chen, Qi Cheng, Qian Li, Qing Lu, Mengqi Zhu, Qingxia Ling, Kangkang Yu, Shengshen Chen, Guangfeng Shi
BACKGROUND: The role of interleukin-23 (IL-23) in monocyte-derived dendritic cells (MoDCs) from hepatitis B virus-related acute-on-chronic liver failure (HBV-ACLF) patients remains unclear. The aim of this study was to observe the correlation between the activation of the IL-23 signaling pathway and the prognosis of HBV-ACLF patients. MATERIALS AND METHODS: The baseline levels of serum IL-6, IL-12, IL-17, IL-23, tumor necrosis factor-α (TNF-α), and interferon-γ (IFN-γ) from immune tolerant (IT), chronic hepatitis B (CHB), HBV-ACLF patients and healthy individuals who served as healthy controls (HCs) were analyzed using the Luminex system, whereas serum IL-23 from HBV-ACLF patients was measured by ELISA before and after treatment...
December 29, 2016: Clinics and Research in Hepatology and Gastroenterology
https://www.readbyqxmd.com/read/28027994/variations-in-il-1r1-gene-influence-risk-for-hepatitis-b-virus-infection-of-children-in-a-han-chinese-population
#10
Jie Fan, Yiling Cai, Xin Huang, Yan Wang, Lihong Mu, Li Zhou
BACKGROUND/AIMS: Host genetic factors play an important role in the pathogenesis of hepatitis B virus (HBV) infection. However, the role of Interleukin1Receptor, Type I (IL-1R1) gene in HBV infection and breakthrough infection in children remains unclear. The aim of this study was to investigate the association between SNPs in IL-1 family and HBV infection and breakthrough infection in children. PATIENTS AND METHODS: A total of 627 Chinese children (274 HBV infected children and 353 controls) ages 6 months to 12 years were recruited from October 2013 to May 2015...
December 24, 2016: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28009018/hbv-hcv-dual-infection-impacts-viral-load-antibody-response-and-cytokine-expression-differently-from-hbv-or-hcv-single-infection
#11
Fei Chen, Jian Zhang, Bo Wen, Shan Luo, Yingbiao Lin, Wensheng Ou, Fengfan Guo, Ping Tang, Wenpei Liu, Xiaowang Qu
Hepatitis B virus/hepatitis C virus (HBV/HCV) dual infection is common among high-risk individuals. To characterize the virological and immunological features of patients with HBV/HCV dual infection, we enrolled 1,049 individuals who have been identified as injection drug users. Patients were divided into single and dual infection groups according to the serological markers. We found the average HCV RNA level was significantly lower; however, HBV viral load was significantly higher in HBV/HCV dual-infected patients (n = 42) comparing HCV single infection (n = 340) or HBV single infection (n = 136)...
December 23, 2016: Scientific Reports
https://www.readbyqxmd.com/read/28004112/evaluation-of-antitumor-activity-of-artemisia-capillaris-extract-against-hepatocellular-carcinoma-through-the-inhibition-of-il-6-stat3-signaling-axis
#12
Eungyeong Jang, So-Young Kim, Na-Rae Lee, Chae-Min Yi, Da-Rong Hong, Woo Seok Lee, Jong-Ho Kim, Kyung-Tae Lee, Bum-Joon Kim, Jang-Hoon Lee, Kyung-Soo Inn
Interleukin-6 (IL-6)/signal transducer and activator of transcription 3 (STAT3) signaling pathway plays critical roles in the development and progression of hepatocellular carcinoma (HCC). Artemisia capillaris (AC) has been widely used to treat various liver diseases including HCC as a herbal medicine. The effects of AC on IL-6/STAT3 signaling axis in HCC cells and subsequent anticancer activity of AC against HCC were analyzed using HCC cell lines and HBV W4P-LHB-expressing NIH3T3 cell line, which has been shown to gain tumorigenicity by activating IL-6/STAT3 signaling in our previous study...
January 2017: Oncology Reports
https://www.readbyqxmd.com/read/27976981/hepatitis-b-virus-e-antigen-regulates-monocyte-function-and-promotes-b-lymphocyte-activation
#13
Bingru Lu, Bingchang Zhang, Laicheng Wang, Chunyan Ma, Xiaowen Liu, Yueran Zhao, Yulian Jiao
Hepatitis B virus (HBV) e (HBe) antigen is a nonstructural virus component with great immune regulation roles. It regulates adaptive immunity response and participates in persistent infection development. However, its roles on monocytes and B lymphocytes were rarely studied. Herein, we studied HBe roles on U937 and Hmy2.CIR by creating HBe stably transfected cells using lentivirus. We detected the motility of HBe-U937 through transwell migration assay. Cytokines that primarily produced by monocytes, including BAFF, B-cell activating factor (BAFF), interleukin (IL)-6, IL-10, tumor necrosis factor (TNF)-α, and A proliferation inducing ligand (APRIL), were measured in culture supernatants of transfected U937, and serum BAFF, IL-6, and IL-10 were detected in HBe-positive and HBe-negative HBV-infected patients...
January 2017: Viral Immunology
https://www.readbyqxmd.com/read/27883059/hepatic-satb1-induces-paracrine-activation-of-hepatic-stellate-cells-and-is-upregulated-by-hbx
#14
Jin Gong, Wei Tu, Jian Han, Jiayi He, Jingmei Liu, Ping Han, Yunwu Wang, Mengke Li, Mei Liu, Jiazhi Liao, Dean Tian
Chronic hepatitis B virus (HBV) infection is a major cause of chronic liver diseases, but its involvement in hepatic fibrogenesis remains unclear. Special AT-rich binding protein 1 (SATB1) has been implicated in reprogramming chromatin organization and transcription profiles in many cancers and non-cancer-related conditions. We found that hepatic SATB1 expression was significantly up-regulated in fibrotic tissues from chronic hepatitis B virus (HBV)-infected patients and HBV transgenic (HBV-Tg) mouse model...
November 24, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27880997/efficacy-of-switching-from-adefovir-to-tenofovir-in-chronic-hepatitis-b-patients-who-exhibit-suboptimal-responses-to-adefovir-based-combination-rescue-therapy-due-to-resistance-to-nucleoside-analogues-satis-study
#15
RANDOMIZED CONTROLLED TRIAL
Hye Won Lee, Jun Yong Park, Beom Kyung Kim, Moon Young Kim, Jung Il Lee, Young Suk Kim, Ki Tae Yoon, Kwang-Hyub Han, Sang Hoon Ahn
BACKGROUND/AIMS: It remains to be determined whether switching from adefovir (ADV) to tenofovir (TDF) provides better virological outcomes in patients exhibiting suboptimal responses to ADV plus nucleoside analogue (ADV+NA) therapy for NA-resistant chronic hepatitis B (CHB). METHODS: In this prospective trial, patients who showed partial responses (defined as serum hepatitis B virus [HBV] DNA >60 IU/mL) to ADV+NA therapy for NA resistance were randomly allocated to receive TDF plus NA (TDF+NA group, n=16) or to continue their current therapy (ADV+NA group, n=16)...
December 2016: Clinical and Molecular Hepatology
https://www.readbyqxmd.com/read/27845395/slow-reduction-of-ip-10-levels-predicts-hbeag-seroconversion-in-chronic-hepatitis-b-patients-with-5-years-of-entecavir-treatment
#16
Renyong Guo, Hejun Mao, Xiao Hu, Nengneng Zheng, Dong Yan, Jianqin He, Jiezuan Yang
The aim of this study was to determine the correlation between dynamic changes in serum cytokine/chemokine expression levels in response to entecavir (ETV) treatment and HBV e antigen (HBeAg) seroconversion in patients with chronic hepatitis B (CHB). Four cytokines (interleukin [IL]-4, IL-6, IL-8, and interferon-γ) and five chemokines (macro-phage inflammatory protein [MIP]-1α, MIP-1β, platelet derived growth factor-BB, and interferon-inducible protein 10 [IP-10]) before ETV therapy and at 3, 6, 12, 24, 36 and 60 months during therapy in 105 CHB patients were analyzed...
November 15, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27816021/analytical-and-clinical-evaluation-of-the-abbott-realtime-hepatitis-b-sequencing-assay
#17
Hee Jae Huh, Ji-Youn Kim, Myoung-Keun Lee, Nam Yong Lee, Jong-Won Kim, Chang-Seok Ki
BACKGROUND: Long-term nucleoside analogue (NA) treatment leads to selection for drug-resistant mutations in patients undergoing hepatitis B virus (HBV) therapy. The Abbott RealTime HBV Sequencing assay (Abbott assay; Abbott Molecular Inc., Des Plaines, IL, USA) targets the reverse transcriptase region of the polymerase gene and as such has the ability to detect NA resistance-associated mutations in HBV. OBJECTIVES: We evaluated the analytical performance of the Abbott assay and compared its diagnostic performance to that of a laboratory-developed nested-PCR and sequencing method...
December 2016: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/27788701/-dynamic-change-in-th17-regulatory-t-cell-ratio-in-peripheral-blood-of-patients-with-acute-hepatitis-b-and-its-significance
#18
X Cheng, Y Y Shan, Y W Luo
Objective: To investigate the dynamic changes in the frequencies of Th17 (CD3(+)CD8-IL-17(+)) and regulatory T cells (Treg, CD4(+)CD25(+)CD127(low)) and Th17/Treg ratio in the peripheral blood in patients with acute hepatitis B (AHB), as well as their association with the outcome of AHB. Methods: A total of 10 AHB patients were enrolled as observation group, and according to the outcome of AHB, these patients were further divided into acute stage group, early recovery group, and full recovery group. Another 10 healthy subjects who underwent physical examination were enrolled as control group...
August 20, 2016: Zhonghua Gan Zang Bing za Zhi, Zhonghua Ganzangbing Zazhi, Chinese Journal of Hepatology
https://www.readbyqxmd.com/read/27780730/mir-203a-is-involved-in-hbx-induced-inflammation-by-targeting-rap1a
#19
AiRong Wu, Huo Chen, ChunFang Xu, Ji Zhou, Si Chen, YuQi Shi, Jie Xu, JianHe Gan, JinPing Zhang
Hepatitis B virus (HBV) causes acute and chronic hepatitis, and is one of the major causes of cirrhosis and hepatocellular carcinoma. Accumulating evidence suggests that inflammation is the key factor for liver cirrhosis and hepatocellular carcinoma. MicroRNAs play important roles in many biological processes. Here, we aim to explore the function of microRNAs in the HBX-induced inflammation. First, microarray experiment showed that HBV(+) liver samples expressed higher level of miR-203a compared to HBV(-) liver samples...
October 22, 2016: Experimental Cell Research
https://www.readbyqxmd.com/read/27708728/hepatitis-b-serology-in-patients-with-rheumatic-diseases
#20
Martin Feuchtenberger, Arne Schäfer, Axel Philipp Nigg, Michael Rupert Kraus
BACKGROUND: Only limited data are available on the prevalence of hepatitis B in patients with proven rheumatic diseases and thus the risk of reactivation under immunosuppressive therapy. OBJECTIVE: To analyse hepatitis B serology in patients with rheumatic diseases prior to therapy. METHOD: In total, 1,338 patient records were analysed for HBsAg, HBsAb and HBcAb in a cross-sectional, single-centre study between 2011 and 2015 at first presentation...
2016: Open Rheumatology Journal
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