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https://www.readbyqxmd.com/read/29329665/bioactivation-of-1-chloro-2-hydroxy-3-butene-an-in-vitro-metabolite-of-1-3-butadiene-by-rat-liver-microsomes
#1
Ye Wang, Ying-Xin Yu, Yang Luan, Jing An, Dong-Guang Yin, Xin-Yu Zhang
1-Chloro-2-hydroxy-3-butene (CHB) is an in vitro metabolite of 1,3-butadiene, a rodent/human carcinogen. To search for an approach detecting CHB in vivo, it is vital to obtain a full understanding of CHB metabolism. Previously, we demonstrated that CHB was bioactivated to 1-chloro-3-buten-2-one (CBO) by alcohol dehydrogenase. However, CHB metabolism by cytochrome P450s has not been reported. Thus, in the present study, CHB metabolism by rat liver microsomes was investigated. The results showed that CHB was converted to 1-chloro-3,4-epoxy-2-butanol (CEB) and CBO...
January 9, 2018: Chemico-biological Interactions
https://www.readbyqxmd.com/read/29329305/evaluating-the-efficacy-of-switching-from-lamivudine-plus-adefovir-to-tenofovir-disoproxil-fumarate-monotherapy-in-lamivudine-resistant-stable-hepatitis-b-patients
#2
Heon Ju Lee, Sang Jin Kim, Young Oh Kweon, Soo Young Park, Jeong Heo, Hyun Young Woo, Jae Seok Hwang, Woo Jin Chung, Chang Hyeong Lee, Byung Seok Kim, Jeong Ill Suh, Won Young Tak, Byoung Kuk Jang
BACKGROUND: The efficacy of switching to tenofovir disoproxil fumarate (TDF) monotherapy from lamivudine (LAM) plus adefovir dipivoxil (ADV) combination therapy (stable switching) in patients with LAM-resistant chronic hepatitis B (CHB) and undetectable hepatitis B virus (HBV) DNA is not clear. METHODS: In this non-inferiority trial, patients with LAM-resistant CHB and undetectable serum HBV DNA (<20 IU/mL) for >6 months after initiating LAM+ADV combination therapy were randomized (1:2) either to continue the combination therapy (LAM+ADV group, n = 58) or switched to TDF monotherapy (TDF group, n = 111)...
2018: PloS One
https://www.readbyqxmd.com/read/29327822/efficacy-and-safety-of-long-term-entecavir-therapy-in-a-european-population
#3
Alessandro Collo, Paola Belci, Sharmila Fagoonee, Lucia Loreti, Valeria Gariglio, Ramona Parise, Paola Magistroni, Marilena Durazzo
BACKGROUND: Therapy in chronic hepatitis B (CHB) patients aims at improving their survival by preventing disease progression to cirrhosis and its complications. Entecavir (ETV) is currently a first line therapeutic agent recommended for the treatment of CHB. Our aim was to evaluate the long term outcome of a cohort of CHB patients treated with ETV. METHODS: Thirty-four patients treated with ETV for at least 6 months were included in this study. The virologic response was determined by the dosage of serum HBV-DNA, HBsAg, HBeAg, anti-HBs and anti-HBe antibodies...
January 10, 2018: Minerva Gastroenterologica e Dietologica
https://www.readbyqxmd.com/read/29325289/-optimal-treatment-regimen-for-patients-with-hbeag-positive-chronic-hepatitis-b-after-suboptimal-response-to-24-weeks-of-peg-ifn-%C3%AE-2a
#4
X D Luo, X P Chen, X F Chen
Objective: To investigate the optimal treatment regimen for patients with HBeAg-positive chronic hepatitis B (CHB) after suboptimal response to 24 weeks of pegylated interferon (Peg-IFN) α-2a. Methods: A total of 188 patients with HBeAg-positive CHB who had suboptimal response to 24 weeks of Peg-IFN α-2a were randomly divided into entecavir group (n = 93) and telbivudine group (n = 95). The two groups received entecavir 0.5 mg/d and telbivudine 0.6 g/d, respectively, for 208 weeks. After 208 weeks of treatment, the following indices were assessed: HBeAg clearance rate and seroconversion rate, hepatitis B virus (HBV) DNA clearance rate (HBV DNA < 500 IU/ml), safety, and drug resistance rate...
December 20, 2017: Zhonghua Gan Zang Bing za Zhi, Zhonghua Ganzangbing Zazhi, Chinese Journal of Hepatology
https://www.readbyqxmd.com/read/29325281/-value-of-hydrogen-proton-magnetic-resonance-spectroscopy-in-the-determination-of-liver-triglyceride-in-patients-with-fatty-liver-disease-and-its-influencing-factors
#5
H J Qu, L Wang, P H Jin, Q Gao, J X Zhou, Y Song, J Wang, Y M Jiang, L Gong, G Y Chen, J P Ding, J P Shi
Objective: To investigate the value of 1H-magnetic resonance spectroscopy ((1)H-MRS) in determining the content of liver triglyceride in patients with fatty liver disease (FLD), as well as its influencing factors. Methods: A total of 124 patients with nonalcoholic fatty liver disease (NAFLD), chronic hepatitis B (CHB), or hepatitis B complicated by FLD who underwent liver biopsy in the Affiliated Hospital of Hangzhou Normal University were enrolled, and the clinical data, serological markers, FibroScan results, and (1)H-MRS results were collected...
November 20, 2017: Zhonghua Gan Zang Bing za Zhi, Zhonghua Ganzangbing Zazhi, Chinese Journal of Hepatology
https://www.readbyqxmd.com/read/29325275/-qualitative-pathological-assessment-of-liver-fibrosis-regression-after-antiviral-therapy-in-patients-with-chronic-hepatitis-b
#6
Y M Sun, J L Zhou, L Wang, X N Wu, Y P Chen, H X Piao, L G Lu, W Jiang, Y Q Xu, B Feng, Y M Nan, W Xie, G F Chen, H W Zheng, H Li, H G Ding, H Liu, F D Lyu, C Shao, T L Wang, X J Ou, B Q Wang, S Y Chen, H You, J D Jia
Objective: To investigate the methods for qualitative pathological assessment of dynamic changes in liver fibrosis/cirrhosis after antiviral therapy in patients with chronic hepatitis B (CHB), since antiviral therapy can partially reverse liver fibrosis and cirrhosis caused by hepatitis B and semi-quantitative, rather than qualitative, pathological assessment is often used for the research on liver fibrosis regression. Methods: Previously untreated CHB patients with liver fibrosis and cirrhosis were enrolled, and liver biopsy was performed before treatment and at 78 weeks after the antiviral therapy based on entecavir...
November 20, 2017: Zhonghua Gan Zang Bing za Zhi, Zhonghua Ganzangbing Zazhi, Chinese Journal of Hepatology
https://www.readbyqxmd.com/read/29322851/clinical-and-virological-implications-of-a1846t-and-c1913a-g-mutations-of-hepatitis-b-virus-genome-in-severe-liver-diseases
#7
Hong Zang, Zhihui Xu, Yan Liu, Xiaodong Li, Yihui Rong, Ling Jiang, Shaoli You, Jinhua Hu, Jun Zhao, Dongping Xu, Shaojie Xin
OBJECTIVE: Mutations occurring within different genes of hepatitis B virus (HBV) genome may have different clinical implications. This study aimed to observe the clinical and virological implications of the A1846T and C1913A/G mutations of HBV genome in the development and treatment outcome of severe liver diseases, which has not been previously determined. MATERIALS AND METHODS: A total of 438 cases of patients with liver diseases were retrospectively reviewed, including 146 with mild chronic hepatitis B infection (CHB-M), 146 with severe chronic hepatitis B infection (CHB-S), and 146 with acute-on-chronic liver failure (ACLF)...
January 11, 2018: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/29321963/a-critical-role-of-hepatitis-b-virus-polymerase-in-cirrhosis-hepatocellular-carcinoma-and-steatosis
#8
Hea-Jong Chung, Xiao Chen, Yang Yu, Heui-Kwan Lee, Chang Ho Song, Han Choe, Seungkoo Lee, Hyeon-Jin Kim, Seong-Tshool Hong
Hepatitis B is one of the most common infectious diseases in the world; more than 350 million people are carriers of hepatitis B virus (HBV). Chronic HBV infection (CHB) leads to liver diseases such as cirrhosis, hepatocellular carcinoma (HCC), and steatosis. Despite its seriousness in terms of public health, the pathogenic mechanism of how CHB leads to liver diseases, especially cirrhosis and steatosis, remains unclear. We studied the role of HBV polymerase (HBp) reverse transcriptase (RT) activity in association with the pathogenesis of liver diseases in CHB by developing transgenic mice expressing HBp or the RT domain of HBp...
January 2018: FEBS Open Bio
https://www.readbyqxmd.com/read/29319263/simultaneous-plaque-rupture-in-two-coronary-arteries-presenting-as-acute-coronary-syndrome
#9
Satish Chirde
A 45 yrs male presented with angina. ECG showed transient CHB, T wave inversion in V3 to V6 and inferior leads. It was difficult to predict the culprit vessel based on ECG. Coronary angiography showed thrombotic lesions in LAD, LCX and OM which can potentially impact identification of culprit vessel and hence affect the management with primary PCI.
October 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/29315654/prognostic-value-of-neutrophil-to-lymphocyte-ratio-associated-with-prognosis-in-hbv-infected-patients
#10
Jiao Gong, Yan-Lan Liang, Wenying Zhou, Yusheng Jie, Cuicui Xiao, Yutian Chong, Bo Hu
Chronic severe hepatitis B (CSHB) is a critical clinical syndrome with a high mortality rate in China. The prognostic value of neutrophil to lymphocyte ratio (NLR) which is simple, low-cost, and useful inflammatory marker for hepatitis B virus (HBV)-infected patients is largely overlooked and without further exploration. This study assesses the association of NLR with prognosis of chronic hepatitis B (CHB) and CSHB patients. Two hundred and eighty subjects, including 79 with chronic hepatitis B (CHB) and 67 with chronic severe hepatitis B (CSHB), and 134 healthy individuals were retrospectively recruited into this study...
January 9, 2018: Journal of Medical Virology
https://www.readbyqxmd.com/read/29314573/higher-efficacy-of-pegylated-interferon-alpha-2b-add-on-therapy-in-hbeag-positive-chronic-hepatitis-b-patients-on-tenofovir-monotherapy
#11
Ankur Jindal, Ashish Kumar Vyas, Devesh Kumar, Guresh Kumar, Manoj Kumar Sharma, Shiv Kumar Sarin
BACKGROUND: Monotherapy with Peg-IFNα or nucleos(t)ide analogues(NA) currently approved for treating chronic hepatitis B(CHB) have limited efficacy. Studies on combination of Peg-IFN-α/NA have shown conflicting results. We investigated whether sequential adding-on Peg-IFNα to tenofovir enhances serological response rates. METHODS: Treatment naïve, HBeAg-positive CHB patients with moderately elevated ALT(48 to 200IU/mL) were started on tenofovir(300 mg/day) and enrolled at week 12 in 1:1 ratio to either receive Peg-IFNα2b add-on(1...
January 4, 2018: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/29307341/evaluation-of-stat3-rs1053004-single-nucleotide-polymorphism-in-patients-with-chronic-hepatitis-b-and-hepatocellular-carcinoma
#12
Maryam Fatemipour, Seyed Ali Mohammad Arabzadeh, Hamdireza Molaei, Bita Geramizadeh, Shahryar Dabiri, Bahareh Fatemipour, Seyed Mahdi Vahedi, Reza Malekpour Afshar
Chronic infection with hepatitis B (CHB) virus is one of the most important risk factors for Hepatocellular carcinoma (HCC). Hepatitis B virus (HBV) causes liver cancer in various ways. One of these ways is increasing the expression of the signal transducer and activator of transcription 3 (STAT3) in Hepatocytes by HBV. The purpose of this research is to evaluate the single nucleotide polymorphism (SNP) rs1053004 in the STAT3 gene in CHB patients and individuals who suffer from HCC. In this research, 33 patients CHB-related HCC, 50 patients infected with chronic hepatitis B infection (CHB) without HCC and 50 healthy individuals were investigated for the presence of rs1053004 in the STAT3 gene according to the PCR-based differentiation of alleles test...
December 30, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/29303768/detection-of-autoantibodies-to-the-p200-epitope-of-ssa-ro52-antigen-a-comparison-of-two-laboratory-assays
#13
Elena Mattia, Ariela Hoxha, Marta Tonello, Maria Favaro, Teresa Del Ross, Antonia Calligaro, Anna Ghirardello, Amelia Ruffatti
BACKGROUND: Anti-p200 antibodies have been receiving growing interest in view of findings associating their presence to risk of fetal autoimmune congenital heart block (CHB). The study compares and evaluates the performance of two assays currently being used for their detection. METHODS: One hundred and sixteen pregnant women positive for anti-SSA/Ro52 antibodies were considered as the study population. Fifty women negative for anti-SSA/Ro52 antibodies were considered as the control population...
January 5, 2018: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/29296737/retrospective-analysis-of-capillary-hemoglobin-recovery-in-nearly-1%C3%A2-200%C3%A2-000-blood-donor-returns
#14
Pia Niittymäki, Mikko Arvas, Antti Larjo, Pirkko Mattila, Jarkko Ihalainen, Martti Syrjälä, Johanna Castrén, Jukka Partanen
Measuring the concentration of capillary hemoglobin (cHb) is a standard procedure before blood donation. To further assess the time period needed for cHb recovery after blood donation and to have a more in-depth understanding of features of recovery, we used data-mining tools in a large, retrospective data pool containing all 1 163 524 donor returns that took place in Finland in 2010 to 2015. The results show that the average recovery times for cHb to return back to the level preceding donation were substantially longer, over 200 days in all age groups, than were the minimum allowed donation intervals...
June 13, 2017: Blood Advances
https://www.readbyqxmd.com/read/29291215/lack-of-relationship-between-pten-32-bp-and-tp53-16-bp-ins-del-polymorphisms-and-chronic-hepatitis-b-virus-infection
#15
Ebrahim Eskandari, Tayebeh Dahmardeh, Fatemeh Dahmardeh, Elham Pahlevani, Malihe Metanat
TP53 and phosphate and tension homolog (PTEN) are two tumor suppressor genes that regulate cell proliferation, migration, and death. P53 and PTEN deficiency has been associated with hepatic fibrosis, a prominent pathological feature associated with chronic hepatitis B (CHB). The present study is aimed to assess the association of PTEN 32-bp Ins/Del (rs34421660) and TP53 16-bp Ins/Del polymorphisms with CHB infection susceptibility. A total of 411 subjects were recruited in this case-control study of 213 patients with CHB infection and 198 healthy individuals as controls...
September 2017: Virusdisease
https://www.readbyqxmd.com/read/29290966/development-of-a-nomogram-for-screening-of-hepatitis-b-virus-associated-hepatocellular-carcinoma
#16
Jung Wha Chung, Eun Sun Jang, Jaihwan Kim, Sook-Hyang Jeong, Nayoung Kim, Dong Ho Lee, Kyung Ho Lee, Jin-Wook Kim
Current strategy of hepatocellular carcinoma (HCC) surveillance evaluates individual risks of HCC for defining candidates for surveillance, but estimated risks are not utilized for clinical decision-making during actual screening. We sought to determine whether consideration of individual risks improve the performance of ultrasound (US)-based HCC screening in a real-world chronic hepatitis B (CHB) cohort. This single center retrospective cohort study analyzed 27,722 screening US tests from 4,175 consecutive CHB patients...
December 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/29288020/long-term-incidence-and-predictors-of-hepatitis-b-surface-antigen-loss-after-discontinuing-nucleoside-analogues-in-non-cirrhotic-chronic-hepatitis-b-patients
#17
Chien-Hung Chen, Chao-Hung Hung, Jing-Houng Wang, Sheng-Nan Lu, Tsung-Hui Hu, Chuan-Mo Lee
OBJECTIVES: This study investigates the long-term incidence and predictors for hepatitis B surface antigen (HBsAg) loss after nucleoside analogue (NA) therapy. METHODS: The study included 411 non-cirrhotic chronic hepatitis B (CHB) patients (148 hepatitis B e antigen (HBeAg)-positive and 263 HBeAg-negative patients) who were treated with lamivudine (n=110) or entecavir (n=301) with post-treatment follow-up of at least 12 months. RESULTS: In HBeAg-positive patients, the 8-year cumulative rates of virological relapse, clinical relapse, and HBsAg loss were 55...
December 26, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/29287219/comprehensive-investigating-of-cytokine-and-receptor-related-genes-variants-in-patients-with-chronic-hepatitis-b-virus-infection
#18
Fengxue Yu, Ning Ma, Xiaolin Zhang, Suzhai Tian, Lianxia Geng, Weili Xu, Mingbang Wang, Yuan Jia, Xuechen Liu, Junji Ma, Yuan Quan, Chaojun Zhang, Lina Guo, Wenting An, Dianwu Liu
BACKGROUND & AIMS: Chronic hepatitis B virus (HBV) infection is a global health problem and the outcome are associated with both viral factors and host genetic factors. High Throughput Sequencing (HTS) technology were used to identify variants associated with liver disease. METHODS: Fifty-five Chronic hepatitis B (CHB) patients, fifty-three self-healing HBV (SH) patients and 53 healthy controls (HC) were recruited, 404 cytokine and cytokine receptor related genes were captured and sequenced at high depth (>900X), both variant (Fischer's exact test, P value < 0...
December 26, 2017: Cytokine
https://www.readbyqxmd.com/read/29285260/genetic-variations-of-ntcp-are-associated-with-susceptibility-to-hbv-infection-and-related-hepatocellular-carcinoma
#19
Peng Wang, Ruidong Mo, Rongtao Lai, Yumin Xu, Jie Lu, Gangde Zhao, Yuhan Liu, Zhujun Cao, Xiaolin Wang, Ziqiang Li, Lanyi Lin, Huijuan Zhou, Wei Cai, Hui Wang, Shisan Bao, Xiaogang Xiang, Qing Xie
Sodium taurocholate cotransporting polypeptide (NTCP), encoded by gene SLC10A1, is a receptor for hepatitis B virus (HBV). The aim of the current study was to investigate the role of NTCP polymorphisms in HBV susceptibility, cirrhosis and hepatocarcinogenesis. A total 1221 cases [including 866 chronic hepatitis B (CHB), 238 liver cirrhosis (LC), 117 hepatocellular carcinoma (HCC) patients] and 1232 healthy controls (HCs) were recruited, and 6 single nucleotide polymorphisms (SNPs) were genotyped. Meta-analysis was executed among 14591 CHBs and 12396 HCs to determine the association between NTCP polymorphisms and HBV infection, cirrhosis or hepatocarcinogenesis...
December 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/29285064/predictors-for-advanced-liver-fibrosis-in-chronic-hepatitis-b-virus-infection-with-persistently-normal-or-mildly-elevated-alanine-aminotransferase
#20
Dexin Wang, Ping Zhang, Min Zhang
The aim of the present study was to evaluate the predictors for advanced liver fibrosis in patients with chronic hepatitis B virus (HBV) infection with persistently normal alanine aminotransferase (PNALT), or persistently or intermittently mildly elevated ALT (PIEALT). A total of 305 patients were included in the present study. Liver biopsies were evaluated using the METAVIR scoring system. Liver stiffness (LS) was measured using Fibroscan. Multivariate logistic regression and the area under the receiver operating characteristic curve (AUROC) were used to examine the diagnostic value of the predictors for advanced liver fibrosis...
December 2017: Experimental and Therapeutic Medicine
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