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https://www.readbyqxmd.com/read/28342861/microrna-548j-inhibits-type-i-interferon-production-by-targeting-zbtb11-in-patients-with-chronic-hepatitis-b
#1
Kangkang Yu, Qian Li, Qi Cheng, Chong Huang, Jianming Zheng, Shengsen Chen, Qingxia Ling, Mengqi Zhu, Mingquan Chen, Guangfeng Shi, Ning Li
Type I IFNs play crucial roles in antiviral immune responses. By inducing cellular resistance to viral infection and apoptosis of virus-infected cells, they impair virus replication and eliminate the invading pathogens. However, in CHB patients, generation of type I IFN was significantly impaired and the underlying mechanisms have not been fully understood. MicroRNA-548 family has been implicated in regulating antiviral response upon various infections. Here we explored the potential role of miR-548j in modulating type I IFN production in CHB...
March 22, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28338458/hepatitis-b-in-solid-organ-transplant-procedures-other-than-liver
#2
Dina Halegoua-De Marzio, Jonathan M Fenkel, Cataldo Doria
Transplant is often the best treatment available for patients with end-stage organ failure. Hepatitis B virus infection in transplant procedures other than liver is a major concern because it can be a significant cause of morbidity and mortality after transplant. Due to the increased risk of hepatic complications, such as fibrosing cholestatic hepatitis or histologic deterioration after transplant, systematic use of nucleoside or nucleotide analogues shortly before or at the time of transplant is recommended (tenofovir or entecavir are preferable to lamivudine) in all patients, whatever the baseline histologic evaluation...
April 2017: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/28338205/association-between-hepatitis-b-and-hearing-status
#3
S-P Bao
OBJECTIVE: This study was performed to investigate the correlation between the chronic hepatitis B virus infection and hearing status. This study was performed to investigate the correlation between the chronic hepatitis B virus infection and hearing status. PATIENTS AND METHODS: This research was based on 76 hepatitis-B infections as the case group (including 35 HBV carriers and 41 chronic hepatitis B (CHB) patients) and 54 normal cases as the control group. They were selected sequentially and audiologic tests were performed on the participants...
March 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28337521/evaluating-histologic-differentiation-of-hepatitis-b-virus-related-hepatocellular-carcinoma-using-intravoxel-incoherent-motion-and-afp-levels-alone-and-in-combination
#4
Qungang Shan, Jingbiao Chen, Tianhui Zhang, Ronghua Yan, Jun Wu, Yunhong Shu, Zhuang Kang, Bingjun He, Zhongping Zhang, Jin Wang
PURPOSE: To evaluate histologic differentiation of hepatitis B virus (HBV)-related hepatocellular carcinomas (HCCs) using apparent diffusion coefficient (ADC) and intravoxel incoherent motion (IVIM)-derived metrics and to compare findings with alpha-fetoprotein (AFP) levels alone and in combination. MATERIALS AND METHOD: One hundred and six chronic HBV-related HCC patients who underwent IVIM diffusion-weighted magnetic resonance imaging with eleven b values were enrolled...
March 24, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28337233/diagnostic-value-of-optimised-real-time-sonoelastography-in-the-assessment-of-liver-fibrosis-in-chronic-hepatitis-b-and-c
#5
Katarzyna Kalita, Krzysztof Filipczak, Małgorzata Bieńkiewicz, Wojciech Deroń, Zbigniew Deroń, Anna Piekarska, Anna Płachcińska, Jacek Kuśmierek
AIM: To optimise the method of real-time elastography (RTE) in the assessment of liver fibrosis using an in-house prepared method for elastogram analysis, as well as a semiquantitative analysis based on newly introduced parameters. MATERIAL AND METHODS: Sonoelastography was performed in 94 patients with various degrees of liver fibrosis and also in 25 healthy volunteers. As a reference method for diagnostic efficacy of sonoelastography-based parameters used for the assessment of fibrosis degree in patients with chronic B and C hepatitis, a liver biopsy was used...
2017: Przegla̜d Gastroenterologiczny
https://www.readbyqxmd.com/read/28336921/different-antiviral-effects-of-ifn%C3%AE-subtypes-in-a-mouse-model-of-hbv-infection
#6
Jingjiao Song, Sheng Li, Yun Zhou, Jia Liu, Sandra Francois, Mengji Lu, Dongliang Yang, Ulf Dittmer, Kathrin Sutter
Interferon alpha (IFNα) is commonly used for the treatment of chronic hepatitis B (CHB) patients. There are 13 different IFNα subtypes in humans, but only the subtype IFNα2 is used for clinical treatment. The antiviral activities of all other IFNα subtypes against HBV have not been studied. To obtain basic knowledge about the direct antiviral as well as the immunomodulatory effects of IFNα subtypes, we used the HBV hydrodynamic injection (HI) mouse model. Application of most IFNα subtype proteins inhibited HBV replication in vivo, with IFNα4 and IFNα5 being the most effective subtypes...
March 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28336908/early-chimerism-after-liver-transplantation-reflects-the-clinical-course-of-recurrent-hepatitis-c
#7
Masashi Utsumi, Akinobu Takaki, Yuzo Umeda, Kazuko Koike, Stephanie C Napier, Nobukazu Watanabe, Susumu Shinoura, Ryuichi Yoshida, Daisuke Nobuoka, Tetsuya Yasunaka, Takahiro Oto, Motoo Araki, Kazuhide Yamamoto, Toshiyoshi Fujiwara, Takahito Yagi
BACKGROUND Human leukocyte antigen (HLA) mismatch is a characteristic feature of post-orthotopic liver transplantation (OLT) hepatitis C. To investigate the importance of donor HLA-restricted immune cells in post-OLT hepatitis C recurrence, we analyzed the frequency of donor chimerism and the clinical course of post-OLT hepatitis C. MATERIAL AND METHODS We analyzed peripheral blood chimerism in 11 HCV-reinfected patients with post-HLA mismatched OLT. Patients were divided into 2 groups: the OLT chronic hepatitis C (CHC) group (n=8), exhibiting active hepatitis C recurrence; and the OLT-persistently normal ALT (PNALT) group (n=3), without active hepatitis...
March 24, 2017: Annals of Transplantation: Quarterly of the Polish Transplantation Society
https://www.readbyqxmd.com/read/28335588/recovery-of-nk-cd56-cd3-cells-after-1-year-of-tenofovir-therapy-for-chronic-hepatitis-b-infection
#8
Hwan Hee Lee, Hyojeung Kang, Hyosun Cho
Natural killer (NK) cells have been reported to be dysfunctional in chronic hepatitis B (CHB) infection. However, the functional recovery of NK cells was not clearly understood under anti-viral therapeutic agents in CHB. In this study, we investigated the phenotypic changes of NK(CD56+CD3-) cells in terms of their functional markers (CD16, NKG2A, NKG2D) during tenofovir therapy in CHB. The frequency of NK(CD56+CD3-) cells in CHB patients was significantly increased after 12 months of tenofovir therapy when compared to baseline...
March 24, 2017: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28335383/a-biomedical-investigation-of-the-hepatoprotective-effect-of-radix-salviae-miltiorrhizae-and-network-pharmacology-based-prediction-of-the-active-compounds-and-molecular-targets
#9
Ming Hong, Sha Li, Ning Wang, Hor-Yue Tan, Fan Cheung, Yibin Feng
Radix salviae miltiorrhizae (Danshen in Chinese), a classic traditional Chinese medicine (TCM) herb, has been used for centuries to treat liver diseases. In this study, the preventive and curative potential of Danshen aqueous extract on acute/chronic alcoholic liver disease (ALD) and non-alcoholic fatty liver disease (NAFLD) was studied. The in vivo results indicated that Danshen could alleviate hepatic inflammation, fatty degeneration, and haptic fibrogenesis in ALD and NAFLD models. In the aspect of mechanism of action, the significant reduction in MDA levels in both ALD and NAFLD models implies the decreased levels of oxidative stress by Danshen...
March 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28334319/erbb4-acts-as-a-suppressor-in-the-development-of-hepatocellular-carcinoma
#10
Yao Liu, Liming Song, Hengli Ni, Lina Sun, Weijuan Jiao, Lin Chen, Qun Zhou, Tong Shen, Hongxia Cui, Tianming Gao, Jianming Li
ERBB4, one member of the epidermal growth factor receptor (EGFR) family, plays a key role in physiological and pathological processes. Recently, we identified that ERBB4 played a protective role from chronic hepatitis B virus infection. However, the role of ERBB4 in hepatocellular carcinoma (HCC) is still unclear. Here, we explore the role of ERBB4 in the development of HCC using in vitro models, in vivo animal models and clinical samples of HCC. Liver-specific ERBB4 knockout alleles and full ERBB4 except heart knockout mice were used in this study...
March 14, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28332360/entecavir-to-telbivudine-switch-therapy-in-entecavir-treated-patients-with-undetectable-hepatitis-b-viral-dna
#11
Dong Hyun Kim, Jong Won Choi, Jeong Hun Seo, Yong Suk Cho, Sun Young Won, Byung Kyu Park, Han Ho Jeon, Sang Yun Shin, Chun Kyon Lee
PURPOSE: This study examined 2-year outcome of consecutive therapy using entecavir (ETV) followed by telbivudine (LdT) in subjects with undetectable hepatitis B virus (HBV) DNA level and normal alanine aminotransferase level after the initial 6 months of ETV treatment. MATERIALS AND METHODS: Sixty subjects were randomized to continue with ETV or switch to LdT. Significant difference in baseline characteristics was not found between the two groups. Persistent HBV DNA level of 20-60 IU/mL in three consecutive samples collected three months apart or singly measured HBV DNA level of >60 IU/mL was defined as virological rebound...
May 2017: Yonsei Medical Journal
https://www.readbyqxmd.com/read/28331807/transmission-of-hepatitis-d-virus-between-spouses-a-longitudinal-study-of-the-first-reported-canadian-case
#12
Carla Osiowy, Anton Andonov, Kevin Fonseca, Ken Swidinsky, Elizabeth Giles, Andrew Mason, Carla S Coffin
In chronic hepatitis B (CHB), hepatitis D virus (HDV) superinfection can lead to acute liver failure. The incidence of HDV superinfection is unknown, but is often detected in immigrants from HDV endemic countries. In this report, we characterize long-term clinical and virological outcomes in a hepatitis B virus (HBV) infected carrier before and after HDV superinfection, acquired from their spouse having HBV/HDV co-infection. A 38 year-old Mongolian male with CHB on anti-HBV therapy developed acute liver failure following HDV superinfection...
2017: IDCases
https://www.readbyqxmd.com/read/28331563/%C3%A2-evaluation-of-serum-hbv-viral-load-transaminases-and-histological-features-in-chronic-hbeag-negative-hepatitis-b-patients
#13
Abbas Esmaeelzadeh, Hassan Saadatnia, Bahram Memar, Elham Mokhtari Amirmajdi, Azita Ganji, Ladan Goshayeshi, Zahra Meshkat, Alireza Pasdar, Hassan Vosoughinia, Mohammadreza Farzanehfar, Shahrzad Tehranian, Kamran Ghaffarzadehgan, Farnood Rajabzadeh, Mitra Ahadi
AIM: To evaluate the association between biochemical, virologic and histologic features in patients with HBeAg-negative chronic hepatitis B (CHB). BACKGROUND: Hepatitis-B e-antigen (HBeAg)-negative is common in Iran, is progressive with poor prognosis. Therefore, it seems necessary to perform a comprehensive evaluation of different spectrum of laboratory measurements accompanying histological findings. METHODS: HBeAg- negative CHB patients referring to two university hospitals during two years were enrolled...
2017: Gastroenterology and Hepatology From Bed to Bench
https://www.readbyqxmd.com/read/28331562/polymorphism-of-ifn-%C3%AE-874-t-a-in-syrian-patients-with-chronic-hepatitis-b
#14
Mohamad Al Kadi, Fawza Monem
AIM: This study aimed to investigate the association of IFN- γ +874 (T/A) polymorphism with susceptibility to chronic HBV infection in the Syrian population. BACKGROUND: Accumulating evidence indicate that the inadequate immune responses are responsible for HBV persistency. Therefore, polymorphisms in genes encoding the cytokines, which are responsible for regulation of the immune response, can affect the course and outcome of the infection. The IFN-γ +874 T/A polymorphism affects the expression of IFN-γ, which has been shown to be crucial to HBV clearance...
2017: Gastroenterology and Hepatology From Bed to Bench
https://www.readbyqxmd.com/read/28331419/falsely-elevated-serum-vitamin-b12-levels-were-associated-with-the-severity-and-prognosis-of-chronic-viral-liver-disease
#15
Takaaki Sugihara, Masahiko Koda, Toshiaki Okamoto, Kenichi Miyoshi, Tomomitsu Matono, Kenji Oyama, Keiko Hosho, Jun-Ichi Okano, Hajime Isomoto, Yoshikazu Murawaki
BACKGROUND: Vitamin B12 is stored primarily in the liver, and highly elevated serum vitamin B12 levels occur in acute hepatitis and severe alcoholic liver disease. We evaluated the relationship between vitamin B12 levels and liver disease severity and long term prognosis in patients with chronic viral hepatitis and cirrhosis. METHODS: We enrolled 90 patients (57 men, 33 women) with chronic viral hepatitis and cirrhosis who admitted to our hospital as a prospective cohort study...
March 2017: Yonago Acta Medica
https://www.readbyqxmd.com/read/28331190/natural-killer-cell-activation-contributes-to-hepatitis-b-viral-control-in-a-mouse-model
#16
Shiwen Tong, Guangze Liu, Minghong Li, Xiumei Li, Qian Liu, Hong Peng, Shiying Li, Hong Ren, Wenwei Yin
The roles of CD4 + T cells and CD8 + T cells in hepatitis B virus (HBV) infection have been well documented. However, the role of innate immunity in HBV infection remains obscure. Here we examined the effect of activation of innate immunity by polyinosinic: polycytidylic acid (PolyI:C) on HBV infection. A chronic HBV replication mouse model was established by hydrodynamical injection of pAAV/HBV1.2 plasmid into C57BL/6 mice. We found that HBV did not seem to induce an active NK-cell response in the mouse model...
March 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28330473/dynamic-and-specific-immune-responses-against-multiple-tumor-antigens-were-elicited-in-patients-with-hepatocellular-carcinoma-after-cell-based-immunotherapy
#17
Yanyan Han, Yeting Wu, Chou Yang, Jing Huang, Yabing Guo, Li Liu, Ping Chen, Dongyun Wu, Junyun Liu, Jin Li, Xiangjun Zhou, Jinlin Hou
BACKGROUND: Hepatocellular carcinoma (HCC) is one of the most common cancers in China and frequently occurs with chronic hepatitis B virus infection. To investigate whether cell-based cancer immunotherapy induces tumor specific immune responses in patients with HCC and provides clinical benefits, as well as to elucidate the most immunogenic tumor associated antigens (TAAs), multiple antigen stimulating cellular therapy (MASCT) was applied in addition to standard of care. METHODS: Mature dendritic cells (DCs) and activated T cells prepared for MASCT were generated from autologous peripheral blood mononuclear cells (PBMCs)...
March 22, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28329347/off-treatment-hepatitis-b-virus-hbv-dna-levels-and-the-prediction-of-relapse-after-discontinuation-of-nucleos-t-ide-analogue-therapy-in-patients-with-chronic-hepatitis-b-a-prospective-stop-study
#18
Jiawei Cao, Heng Chi, Tao Yu, Zhandong Li, Bettina E Hansen, Xiaoyong Zhang, Chunxiu Zhong, Jian Sun, Jinlin Hou, Harry L A Janssen, Jie Peng
Background.: The optimal management remains unknown after nucleos(t)ide analogue (NA) discontinuation in patients with chronic hepatitis B (CHB). This prospective study investigated the role of off-treatment viral kinetics in predicting relapse after discontinuation of NA therapy. Methods.: A total of 82 noncirrhotic Asian patients with CHB who discontinued NA therapy according to international guidelines were prospectively followed. Patients with a hepatitis B virus (HBV) DNA level of >2000 IU/mL and an alanine aminotransferase (ALT) level of >2 times the upper limit of normal (clinical relapse) were retreated...
January 19, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28329061/pegylated-interferon-alfa-2b-add-on-treatment-in-hepatitis-b-virus-envelope-antigen-positive-chronic-hepatitis-b-patients-treated-with-nucleos-t-ide-analogue-a-randomized-controlled-trial-pegon
#19
Heng Chi, Bettina E Hansen, Simin Guo, Ning Ping Zhang, Xun Qi, Liang Chen, Qing Guo, Pauline Arends, Ji-Yao Wang, Elke Verhey, Robert J de Knegt, Qing Xie, Harry L A Janssen
Background.: We studied whether 48 weeks of pegylated interferon alfa-2b (peginterferon) add-on therapy increases serological response in hepatitis B virus (HBV) envelope antigen (HBeAg)-positive patients receiving nucleos(t)ide analogue (NA) therapy, compared with continued NA monotherapy. Methods.: This randomized trial included HBeAg-positive patients with compensated liver disease who were treated with entecavir/tenofovir for >12 months and had an HBV DNA load of <2000 IU/mL...
March 17, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28328926/frequency-and-role-of-nkp46-and-nkg2a-in-hepatitis-b-virus-infection
#20
Teppei Yoshioka, Tomohide Tatsumi, Takuya Miyagi, Kaori Mukai, Kumiko Nishio, Akira Nishio, Yoshinobu Yokoyama, Takahiro Suda, Tadashi Kegasawa, Minoru Shigekawa, Hayato Hikita, Ryotaro Sakamori, Tetsuo Takehara
BACKGROUND AND AIM: Natural Killer (NK) cells are involved in the control of viral infection. However, the role of NK cells in chronic hepatitis B (CHB) remains unclear. This study investigated the frequencies and roles of NK cells in CHB, with a focus on activating receptor NKp46 and inhibitory receptor NKG2A. PATIENTS/METHOD: Peripheral blood lymphocytes were obtained from 71 CHB patients and 37 healthy subjects (HS). The expressions of NKp46 and NKG2A were analyzed using flow cytometry...
2017: PloS One
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