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https://www.readbyqxmd.com/read/28092514/a-multivariate-approach-for-patient-specific-eeg-seizure-detection-using-empirical-wavelet-transform
#1
Abhijit Bhattacharyya, Ram Bilas Pachori
OBJECTIVE: This paper investigates the multivariate oscillatory nature of electroencephalogram (EEG) signals in adaptive frequency scales for epileptic seizure detection. METHODS: The empirical wavelet transform (EWT) has been explored for the multivariate signals in order to determine the joint instantaneous amplitudes and frequencies in signal adaptive frequency scales. The proposed multivariate extension of EWT has been studied on multivariate multi-component synthetic signal, as well as on multivariate EEG signals of CHB-MIT scalp EEG database...
January 9, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28090316/the-role-of-tumour-necrosis-factor-in-hepatitis-b-infection-jekyll-and-hyde
#2
REVIEW
Zina Valaydon, Marc Pellegrini, Alexander Thompson, Paul Desmond, Peter Revill, Gregor Ebert
Chronic hepatitis B (CHB) is a major health problem worldwide and is associated with significant long-term morbidity and mortality. The hepatitis B virus (HBV) is a hepatotropic virus that is capable of integrating in the host nucleus permanently resulting in lifelong infection. To date, there is no definitive cure for HBV, as our current treatments cannot eradicate the viral reservoir that has integrated in the liver. Elucidating the immunopathogenesis is key to finding a therapeutic target for HBV as the virus is not in itself cytopathic but the immune response to the virus causes the majority of the cellular injury...
December 2016: Clinical & Translational Immunology
https://www.readbyqxmd.com/read/28088184/anti-hepatitis-b-virus-hbv-response-of-imiquimod-based-toll-like-receptor-7-ligand-in-hbv-positive-human-hepatocelluar-carcinoma-cell-line
#3
Dipanwita Das, Isha Sengupta, Neelakshi Sarkar, Ananya Pal, Debraj Saha, Manikankana Bandopadhyay, Chandrima Das, Jimmy Narayan, Shivaram Prasad Singh, Sekhar Chakrabarti, Runu Chakravarty
BACKGROUND: Toll like receptors (TLRs) play an important role in innate immunity and various studies suggest that TLRs play a crucial role in pathogenesis of hepatitis B virus (HBV) infection. The present study aims in looking into the status of crucial host and viral gene expression on inciting TLR7. METHODS: The transcription of TLR7 pathway signaling molecules and HBV DNA viral load were quantified by Real Time-PCR after stimulation of TLR7 with its imiquimod based ligand, R837...
January 14, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28081595/switch-to-tenofovir-based-therapy-or-to-continue-adefovir-based-therapy-in-chb-patients-with-suboptimal-response-to-adefovir-based-combination
#4
Byung-Cheol Song
No abstract text is available yet for this article.
December 2016: Clinical and Molecular Hepatology
https://www.readbyqxmd.com/read/28079817/clinical-features-of-hepatitis-b-and-c-virus-infections-with-high-%C3%AE-fetoprotein-levels-but-not-hepatocellular-carcinoma
#5
Cha Young Kim, Bo Ra Kim, Sang Soo Lee, Dae-Hong Jeon, Chang Min Lee, Wan Soo Kim, Hyun Chin Cho, Jin Joo Kim, Jae Min Lee, Hong Jun Kim, Chang Yoon Ha, Hyun Jin Kim, Tae Hyo Kim, Woon Tae Jung, Ok-Jae Lee
The appropriate α-fetoprotein (AFP) level to confirm hepatocellular carcinoma (HCC) could be 100 ng/mL; however, the clinical significance of falsely elevated AFP in patients without HCC has not been fully studied. We investigated the clinical features and outcome of patients without HCC but with high AFP levels (100 ng/mL), especially with chronic hepatitis B (CHB) or C (CHC).The sample included 124 consecutive patients with CHB (n = 97) or CHC (n = 27), with AFP levels >100 ng/mL and without HCC at baseline...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28077172/promoting-effect-of-hepatitis-b-virus-on-the-expressoin-of-phospholipase-a2-group-iia
#6
Chengliang Zhu, Hui Song, Bingzheng Shen, Long Wu, Fang Liu, Xinghui Liu
BACKGROUND: Hepatitis B virus (HBV) infection causes acute and chronic liver disease, ultimately leading to the development of liver cirrhosis (LC) and hepatocellular carcinoma (HCC). Phospholipase A2 group IIA (PLA2G2A) plays important roles in the development and progression of many tumors. Thus far, there have been no reports on the association between HBV and PLA2G2A. The present study investigated the effect of HBV infection on PLA2G2A expression and its application in the diagnosis of HBV-related diseases...
January 11, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28073408/-establishment-of-a-cell-co-culture-system-in-accordance-with-the-immunological-characteristics-of-chronic-hbv-infection
#7
H J Li, X Y Yang, F B Kang, F X Liu, D X Sun
Objective: To investigate whether the co-culture of Huh7.93 cells and peripheral blood mononucleated cells from chronic hepatitis B patients (cPBMCs) can simulate the replication features of hepatitis B virus (HBV) and immune function in chronic hepatitis B (CHB) patients, and to provide an in vitro cell co-culture system for the research on immune clearance in chronic HBV infection. Methods: Huh7.93 cells were cultured alone or co-cultured with peripheral blood mononucleated cells from healthy people who underwent physical examination (nPBMCs) or cPBMCs for 7 days...
December 20, 2016: Zhonghua Gan Zang Bing za Zhi, Zhonghua Ganzangbing Zazhi, Chinese Journal of Hepatology
https://www.readbyqxmd.com/read/28068755/systematic-quantitation-of-histologic-patterns-shows-accuracy-in-reflecting-cirrhotic-remodeling
#8
Yan Wang, Wei Huang, Ruhua Li, Zhaoqiang Yun, Youfu Zhu, Jinlian Yang, Hailin Liu, Zhipeng Liu, Qianjin Feng, Jinlin Hou
BACKGROUND AND AIM: There still lacks a tool for precisely evaluating cirrhotic remodeling. Histologic distortion characterized in cirrhosis (i.e. cirrhotic patterns) has a validated pathophysiological meaning and the potential relevance to clinical complications. We aimed to establish a new tool for quantify the cirrhotic patterns and test it for reflecting the cirrhotic remodeling. METHODS: We designed a computerized algorithm (qCP) dedicated for the analysis of liver images acquired by second harmonic microscopy...
January 9, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28067328/predictive-value-of-serum-ifn-%C3%AE-inducible-protein-10-and-ifn-%C3%AE-il-4-ratio-for-liver-fibrosis-progression-in-chb-patients
#9
Yadong Wang, Weiyan Yu, Chuan Shen, Wei Wang, Li Zhang, Fang Liu, Hui Sun, Yajuan Zhao, Honghao Che, Caiyan Zhao
Noninvasive serum markers for assessment of liver fibrosis in chronic hepatitis B (CHB) patients have not been well-studied. The present study was to evaluate the predictive value of serum interferon gamma-inducible protein-10 (IP-10/CXCL10) and the interferon (IFN)-γ/interleukin (IL)-4 ratio for liver fibrosis progression in CHB patients. A total of 180 CHB patients were categorized into four groups: no fibrosis, mild fibrosis, moderate fibrosis, and severe fibrosis. Serum and intrahepatic levels of IP-10, IFN-γ, and IL-4 were examined, from which the IFN-γ/IL-4 ratio was calculated...
January 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28065745/alteration-of-methyl-cpg-binding-domain-family-in-patients-with-chronic-hepatitis-b
#10
Jing Zhao, Yu-Chen Fan, Long-Yan Chen, Shuai Gao, Feng Li, Kai Wang
BACKGROUND AND OBJECTIVE: Epigenetics contributes to the outcome of chronic hepatitis B virus (HBV) infection. However, the role of methyl-CpG binding domain (MBD) family in the natural history of chronic hepatitis B (CHB) has not been demonstrated. It is aimed to investigate the dynamic expression of MBD family and assess the potential association of MBD family in the progression of CHB. METHODS: Quantitative real-time polymerase chain reaction (RT-PCR) was used to determine the mRNA levels of MBD family in peripheral blood mononuclear cells (PBMCs) from 223 patients with CHB as training cohort, 146 patients with CHB as validation cohort [immune-tolerant (IT), immune clearance (IC), non/low-replicative (LR) and HBeAg negative hepatitis (ENH)], and 14 healthy controls (HCs)...
January 5, 2017: Clinics and Research in Hepatology and Gastroenterology
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
#11
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/28058019/clinical-features-of-acute-hepatitis-e-super-infections-on-chronic-hepatitis-b
#12
Chong Chen, Shu-Ye Zhang, Dan-Dan Zhang, Xin-Yan Li, Yu-Ling Zhang, Wei-Xia Li, Jing-Jing Yan, Min Wang, Jing-Na Xun, Chuan Lu, Yun Ling, Yu-Xian Huang, Liang Chen
AIM: To examine the clinical features and risk factors for adverse outcomes in chronic hepatitis B (CHB) superimposed with hepatitis E virus (HEV). METHODS: This retrospective cohort study included 228 patients with acute HEV infection (showing clinical acute hepatitis symptomology and positivity for anti-HEV immunoglobulin M) with underlying CHB (confirmed by positivity for hepatitis B surface antigen and/or hepatitis B virus (HBV) DNA over 6 mo) who had been admitted to the Shanghai Public Health Clinical Center, which represents the regional tertiary hospital for infectious diseases in Shanghai city, China...
December 21, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28052622/novel-targets-for-hepatitis-b-virus-therapy
#13
REVIEW
Barbara Testoni, David Durantel, Fabien Zoulim
Treatment with either pegylated interferon-alpha (pegIFN-α) or last generation nucleos(t)ide analogues (NAs) successfully leads to serum viral load suppression in most chronically infected hepatitis B (CHB) patients, but HBsAg loss is only achieved in 10% of the cases after a 5-year follow-up. Thus, therapy must be administered long-term and it will not completely eliminate infection because of the persistent hepatitis B virus (HBV) minichromosome in infected cells, and cannot completely abolish the risk of developing severe sequelae such as cirrhosis and hepatocellular carcinoma...
January 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/28052621/hepatitis-b-virus-long-term-impact-of-antiviral-therapy-nucleot-s-ide-analogues-nucs
#14
REVIEW
Glenda Grossi, Mauro Viganò, Alessandro Loglio, Pietro Lampertico
The goal of antiviral therapy is to improve the quality of life and survival of patients with chronic hepatitis B (CHB) by halting the progression to cirrhosis, end-stage liver disease or hepatocellular carcinoma (HCC), thus preventing anticipated liver-related death. Oral administration of potent and less resistance-prone nucleot(s)ide analogues (NUCs), such as entecavir (ETV) and tenofovir disoproxil fumarate (TDF) has become the most popular treatment strategy worldwide because of their excellent efficacy and safety profile as well as easy management confirmed in both registration trials and in clinical practice studies...
January 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/28052620/when-can-we-stop-nucleoside-analogues-in-patients-with-chronic-hepatitis-b
#15
REVIEW
Chern Hao Chong, Seng Gee Lim
Treatment with nucleoside analogue (NAs) is now the most common treatment for chronic hepatitis B (CHB) and is recommended by all guidelines. Stopping NAs is a controversial issue in these patients, unless the clinical endpoints of HBeAg seroconversion or HBsAg seroclearance are achieved. While HBeAg seroconversion can occur in a significant number of patients, HBsAg seroclearance rates are low. HBsAg seroclearance is increasingly accepted as the ideal end of treatment, representing a functional cure. Treatment withdrawal leads to relapse in 50% of patients who achieve HBeAg seroconversion and complete at least 12 months of consolidation therapy...
January 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/28052021/serum-hepatitis-b-core-antibody-titer-use-in-screening-for-significant-fibrosis-in-treatment-na%C3%A3-ve-patients-with-chronic-hepatitis-b
#16
Min-Ran Li, Huan-Wei Zheng, Jian-Hua Lu, Shun-Mao Ma, Li-Hong Ye, Zhi-Quan Liu, Hai-Cong Zhang, Yun-Yan Liu, Ying Lv, Yan Huang, Er-Hei Dai, Dian-Xing Sun
BACKGROUND: Previous studies have revealed that hepatitis B core antibody (anti-HBc) levels vary throughout the different phases of treatment-naïve chronic hepatitis B (CHB) patients and can be used as a predictor of treatment response in both interferon-α and nucleoside analogue therapies. However, few data have been published regarding the relationship between quantitative anti-HBc (qAnti-HBc) levels and liver fibrosis in patients with CHB. RESULTS: A total of 489 HBeAg-positive (HBeAg (+)) and 135 HBeAg-negative (HBeAg (-)) patients were recruited...
December 28, 2016: Oncotarget
https://www.readbyqxmd.com/read/28043874/intrahepatic-innate-immune-response-pathways-are-down-regulated-in-untreated-chronic-hepatitis-b
#17
Fanny Lebossé, Barbara Testoni, Judith Fresquet, Floriana Facchetti, Enrico Galmozzi, Maëlenn Fournier, Valérie Hervieu, Pascale Berthillon, Françoise Berby, Isabelle Bordes, David Durantel, Massimo Levrero, Pietro Lampertico, Fabien Zoulim
BACKGROUND AND AIMS: Hepatitis B virus (HBV) persistence and the pathobiology of chronic HBV (CHB) infections result from the interplay between viral replication and host immune responses. Intrahepatic host genes expression and a comprehensive analysis of serum and liver HBV markers were performed in a large cohort of untreated CHB patients. PATIENTS AND METHODS: 105 CHB patients untreated at the time of liver biopsy (34 HBeAg(+) and 71 HBeAg(-)) were analysed for the intrahepatic expression profile of 67 genes belonging to multiple innate immunity pathways...
December 30, 2016: Journal 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
#18
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/28033294/the-expression-of-thymosin-%C3%AE-4-in-chronic-hepatitis-b-combined-nonalcoholic-fatty-liver-disease
#19
Jing Liang, Wenjuan Cai, Tao Han, Li Jing, Zhe Ma, Yingtang Gao
The aim of the study was to detect the expression level of thymosin β4 (Tβ4) in serum and tissues of patients with chronic hepatitis B (CHB) combined nonalcoholic fatty liver disease (NAFLD). The effects of Tβ4 in hepatic steatosis, chronic inflammation, and fibrosis development in CHB combined NAFLD patients were also discussed. The study included 46 patients in the case group with CHB and NAFLD and 42 patients in the control group with CHB. ELISA was applied to detect serum Tβ4 and TNF-α level. Furthermore, the correlation analysis of Tβ4 levels with biochemical index, pathological index, and TNF-α level was performed...
December 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28028369/effect-of-switching-from-treatment-with-nucleos-t-ide-analogs-to-pegylated-interferon-%C3%AE-2a-on-virological-and-serological-responses-in-chronic-hepatitis-b-patients
#20
Li-Ting He, Xiao-Guang Ye, Xiao-Yuan Zhou
AIM: To investigate the efficacy of switching to pegylated interferon-α-2a (PegIFNα-2a) treatment in nucleos(t)ide analog (NA)-treated chronic hepatitis B (CHB) responder patients. METHODS: A 48-wk prospective and retrospective treatment trial of NA-treated CHB patients who had received entecavir (ETV) for at least 48 wk and had serum hepatitis B virus (HBV)-DNA < 500 IU/mL, serum hepatitis B envelope antigen (HBeAg) < 100 S/CO, serum alanine aminotransferase, and aspartate aminotransferase levels < 2 × the upper limit of normal of 40 IU/L was performed...
December 14, 2016: World Journal of Gastroenterology: WJG
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