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hepatitis B clinical patterns

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https://www.readbyqxmd.com/read/28793877/subarachnoid-small-vein-occlusion-due-to-inflammatory-fibrosis-a-possible-mechanism-for-cerebellar-infarction-in-cryptococcal-meningoencephalitis-a-case-report
#1
Yoshiteru Shimoda, Satoru Ohtomo, Hiroaki Arai, Takashi Ohtoh, Teiji Tominaga
BACKGROUND: Cryptococcal meningoencephalitis (CM) causes cerebral infarction, typically, lacunar infarction in the basal ganglia. However, massive cerebral infarction leading to death is rare and its pathophysiology is unclear. We report a case of CM causing massive cerebellar infarction, which led to cerebral herniation and death. CASE PRESENTATION: A 56-year-old man who suffered from dizziness and gait disturbance for one month was admitted to our hospital and subsequently diagnosed with a cerebellar infarction...
August 9, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28792071/high-prevalence-of-hbv-infection-detection-of-subgenotypes-f1b-a2-and-d4-and-differential-risk-factors-among-mexican-risk-populations-with-low-socioeconomic-status
#2
Alexis Jose-Abrego, Arturo Panduro, Nora A Fierro, Sonia Roman
Hepatitis B virus (HBV) infection may be underestimated among high-risk individuals in regions of low HBs antigenemia. This study aimed to assess HBV serological markers, genotypes and risk factors in Mexican patients with risk of HBV infection and low socioeconomic status. Demographics, clinical and risk factor data were collected in patients with HIV (n = 289), HCV (n = 243), deferred blood donors (D-BD) (n = 83), and two native populations, Mixtecos (n = 57) and Purepechas (n = 44). HBV infection was assessed by HBsAg, anti-HBc and HBV-DNA testing...
August 9, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/28704189/chronic-hepatitis-due-to-gluten-enteropathy-a-case-report
#3
Irina I Ivanova, Denitsa Y Dukova, Pavlina G Boikova, Lili S Grudeva, Ivan B Shalev, Iskren A Kotzev
BACKGROUND: Celiac disease is an immune-mediated enteropathy precipitated by exposure to dietary gluten in genetically predisposed individuals. CASE DESCRIPTION: A 45-year-old Caucasian woman presented with severe iron-deficient anemia and mild elevation of liver enzymes. Upper endoscopy was done in the context of evaluation of anemia, which revealed reduced duodenal folds and mosaic pattern of the mucosa, but also grade II esophageal varices and portal hypertensive gastropathy...
June 1, 2017: Folia Medica
https://www.readbyqxmd.com/read/28673869/impact-of-deletions-and-mutations-in-hepatitis-b-virus-envelope-proteins-on-serological-profile-and-clinical-evolution
#4
Brice Malve, Marine Eschlimann, Shaunagh Galgey, Honorine Fenaux, Fabien Zoulim, François Goehringer, Christian Rabaud, Thierry May, Hélène Jeulin, Evelyne Schvoerer
The Hepatitis B virus (HBV) envelope glycoproteins are essential for viral entry into the hepatocyte and are also targets for host immune response. The study of these proteins could allow us to highlight molecular hot points influencing HBV fitness, which would subsequently modify the clinical evolution of the disease, both under anti-viral therapy or without treatment. The present short communication underlines the importance of the high variability in HBV envelope proteins, in regard with the literature and in our hands, for HBV-infected patients either on anti-HBV treatment or not...
July 1, 2017: Virus Research
https://www.readbyqxmd.com/read/28665747/analysis-of-immunological-mechanisms-exerted-by-hbsag-hbig-therapeutic-vaccine-combined-with-adefovir-in-chronic-hepatitis-b-patients
#5
Chenliang Zhou, Chaofan Li, Guo-Zhong Gong, Shuang Wang, Ji-Ming Zhang, Dao-Zhen Xu, Li-Min Guo, Hong Ren, Min Xu, Qing Xie, Chen Pan, Jie Xu, Zhongyu Hu, Shuang Geng, Xian Zhou, Xianzheng Wang, Xiaoyu Zhou, Haili Mi, Gan Zhao, Wencong Yu, Yu-Mei Wen, Lihua Huang, Xuan-Yi Wang, Bin Wang
An HBsAg-HBIG therapeutic vaccine (Yeast-derived Immune Complexes, YIC) for chronic hepatitis B (CHB) patients has undergone a series of clinical trials. The HBeAg sero-conversion rate of YIC varied from 21.9% to 14% depending on the immunization protocols from 6 to 12 injections. To analyze the immunological mechanisms exerted by 6 injections of YIC, 44 CHB patients were separately immunized with YIC, alum as adjuvant control or normal saline as blank control, with add on of antiviral drug Adefovir in all groups...
June 30, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28611264/symptoms-of-daytime-sleepiness-and-sleep-apnea-in-liver-cirrhosis-patients
#6
Abdullah Enezi, Fares Al-Jahdali, Anwar Ahmed, Nahid Shirbini, Abdullah Harbi, Baharoon Salim, Yosra Ali, Aljumah Abdulrahman, Mohd Khan, Abdullah Khaleid, Al-Jahdali Hamdan
Background/propose. Sleep disturbance and excessive daytime sleepiness (EDS) have been reported in patients with hepatic cirrhosis with no hepatic encephalopathy (HE). The objective of this study was to evaluate daytime sleepiness and risk of obstructive sleep apnea (OSA) among liver cirrhosis patients. MATERIAL AND METHODS: A cross-sectional study was conducted at King Abdulaziz Medical City (KAMC)-Riyadh over a period of six months, using a structured questionnaire that investigated: 1) Sleep patterns and daytime sleepiness using the Epworth Sleeping Scale (ESS), and 2) The risk for sleep apnea using the Berlin Questionnaire (BQ)...
August 1, 2017: Annals of Hepatology
https://www.readbyqxmd.com/read/28567562/identification-and-comparative-analysis-of-hepatitis-b-virus-genotype-d-e-recombinants-in-africa
#7
Ceejay L Boyce, Lilia Ganova-Raeva, Timothy N A Archampong, Margaret Lartey, Kwamena W Sagoe, Adjoa Obo-Akwa, Ernest Kenu, Awewura Kwara, Jason T Blackard
Globally, there are approximately 240 million people chronically infected with hepatitis B virus (HBV)-a major cause of hepatocellular carcinoma. Ten different HBV genotypes (A-J) have been identified with distinct geographic distributions. Novel variants generated by recombination between different HBV genotypes have been documented worldwide and represent an important element of genetic variability with possible clinical implications. Here, the complete genome sequence of an HBV genotype D/E recombinant from Ghana is reported...
August 2017: Virus Genes
https://www.readbyqxmd.com/read/28559948/bone-scintigraphy-and-tenofovir-induced-osteomalacia-in-chronic-hepatitis-b
#8
Alex Khoo Cheen Hoe, Lee Yeong Fong
Tenofovir, used in the treatment of chronic hepatitis B and HIV, is known for its side effects on the kidneys and bones. We share interesting images of a patient with tenofovir-induced osteomalacia on Technetium-99 m hydroxymethyelene (Tc-99 m HDP) bone scintigraphy. Pattern recognition of this bone scintigraphy and correlation with the clinical history is essential to avoid misdiagnosis.
June 2017: Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28548312/vitamin-d-dependent-rickets-type-1b-25-hydroxylase-deficiency-a-rare-condition-or-a-misdiagnosed-condition
#9
Arnaud Molin, Arnaud Wiedemann, Nick Demers, Martin Kaufmann, Jérémy Do Cao, Laurent Mainard, Brigitte Dousset, Pierre Journeau, Geneviève Abeguile, Nadia Coudray, Hervé Mittre, Nicolas Richard, Georges Weryha, Arthur Sorlin, Glenville Jones, Marie-Laure Kottler, Francois Feillet
Vitamin D requires a two-step activation by hydroxylation: The first step is catalyzed by hepatic 25-hydroxylase (CYP2R1, 11p15.2) and the second one is catalyzed by renal 1α-hydroxylase (CYP27B1, 12q13.1), which produces the active hormonal form of 1,25-(OH)2 D. Mutations of CYP2R1 have been associated with vitamin D-dependent rickets type 1B (VDDR1B), a very rare condition that has only been reported to affect 4 families to date. We describe 7 patients from 2 unrelated families who presented with homozygous loss-of-function mutations of CYP2R1...
May 26, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28539842/a-review-of-antiviral-use-for-the-treatment-of-chronic-hepatitis-b-virus-infection-in-pregnant-women
#10
Ariel Jaffe, Robert S Brown
Mother-to-child transmission (MTCT) of hepatitis B virus (HBV) remains high even with the proper use of active-passive immunoprophylaxis in newborns. Mothers with significant viremia are at a much higher risk of MTCT; therefore, treatments aimed at lowering HBV DNA levels during pregnancy may ultimately decrease global disease burden. The exact threshold for treatment remains controversial; however, most studies have accepted levels greater than 2 × 5 log10 IU/mL as significant viremia. We reviewed the most recent literature on antiviral efficacy, maternal and fetal safety, and viral resistance patterns when used for short-duration therapy in pregnancy...
March 2017: Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28534812/understanding-the-complex-patterns-observed-during-hepatitis-b-virus-therapy
#11
Andrea Carracedo Rodriguez, Matthias Chung, Stanca M Ciupe
Data from human clinical trials have shown that the hepatitis B virus (HBV) follows complex profiles, such as bi-phasic, tri-phasic, stepwise decay and rebound. We utilized a deterministic model of HBV kinetics following antiviral therapy to uncover the mechanistic interactions behind HBV dynamics. Analytical investigation of the model was used to separate the parameter space describing virus decay and rebound. Monte Carlo sampling of the parameter space was used to determine the virological, pharmacological and immunological factors that separate the bi-phasic and tri-phasic virus profiles...
May 19, 2017: Viruses
https://www.readbyqxmd.com/read/28403982/significance-of-anti-hbc-alone-serological-status-in-clinical-practice
#12
REVIEW
Qixia Wang, Paul Klenerman, Nasser Semmo
Serum samples identified as positive for total anti-HBc, but negative for both HBsAg and anti-HBs, are referred to as anti-HBc alone. This serological response is compatible with acute, resolved, and chronic hepatitis B virus (HBV)infection but might also signify occult HBV infection. Once the anti-HBc alone pattern is detected, false-positive reactivity should be ruled out and further analyses can resolve the clinical status of the donor. The identification of anti-HBc positivity in the absence of HBsAg in organ transplant donors and in candidate patients for chemotherapy and immunosuppressive therapy requires further investigation because of the risk of HBV reactivation...
February 2017: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28388957/hbxip-overexpression-is-correlated-with-the-clinical-features-and-survival-outcome-of-ovarian-cancer
#13
Yixuan Wang, Jie Sun, Nan Li, Shuanlong Che, Tiefeng Jin, Shuangping Liu, Zhenhua Lin
BACKGROUND: Accumulated evidence has demonstrated that Mammalian hepatitis B X-interacting protein (HBXIP) has broad roles in cancer. Although HBXIP is associated with a variety of cancers, the HBXIP protein expression level and its clinical significance in ovarian cancer have not yet been determined. The aim of this study is to investigate the association between HBXIP expression and the clinicopathological features of ovarian cancer patients to determine whether HBXIP may be correlated with a poor prognosis in ovarian cancer patients...
April 7, 2017: Journal of Ovarian Research
https://www.readbyqxmd.com/read/28347229/high-expression-of-g-protein-signaling-modulator-2-in-hepatocellular-carcinoma-facilitates-tumor-growth-and-metastasis-by-activating-the-pi3k-akt-signaling-pathway
#14
Xiao-Qin He, Yue-Feng Zhang, Jia-Jun Yu, Yuan-Yuan Gan, Na-Na Han, Mei-Xia Zhang, Wei Ge, Jun-Jian Deng, Yong-Fa Zheng, Xi-Ming Xu
The aim of this study was to investigate the role of G-protein signaling modulator 2 in the carcinogenesis and progression of hepatocellular carcinoma. We previously showed that G-protein signaling modulator 2 was upregulated in hepatitis B virus-related hepatocellular carcinoma tissues through a hierarchical clustering analysis. With this study, we first assessed the expression pattern of G-protein signaling modulator 2 in hepatocellular carcinoma specimens and adjacent noncancerous tissues; clinical data were analyzed, along survival times, utilizing the Kaplan-Meier method...
March 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
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
#15
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/28208002/expression-of-hepatocyte-hepatitis-b-core-antigen-and-hepatitis-b-surface-antigen-as-a-marker-in-the-management-of-chronic-hepatitis-b-patients
#16
Sun Young Yim, Tae Hyung Kim, Suh Sang Jun, Eun Sun Kim, Bora Keum, Yeon Seok Seo, Hyung Joon Yim, Yoon Tae Jeen, Hoon Jai Chun, Hong Sik Lee, Soon Ho Um, Chang Duck Kim, Nam Hee Won, Ho Sang Ryu
Background/Aims: We aimed to clarify the association of hepatitis B surface antigen (HBsAg)/hepatitis B core antigen (HBcAg) with the disease status and treatment response in patients with chronic hepatitis B (CHB). Methods: We investigated 171 biopsy-proven entecavir-treated CHB patients (109 hepatitis B e antigen [HBeAg]-positive, 62 HBeAg-negative). HBcAg expression was positive when ≥10% of hepatocytes stained, and classified into nuclear, mixed, and cytoplasmic patterns...
May 15, 2017: Gut and Liver
https://www.readbyqxmd.com/read/28207518/virological-and-serological-features-of-acute-hepatitis-b-in-adults
#17
Xiaofei Du, Yali Liu, Lina Ma, Junfeng Lu, Yi Jin, Shan Ren, Zhimin He, Xinyue Chen
Various viral kinetics among patients with acute hepatitis B (AHB) have been observed in clinical practice. This study investigated the virological, biochemical, and serological characteristics of AHB in adults.A total of 192 adult patients with AHB were recruited between December 2010 and January 2014. The quantification of biochemical and serologic markers for hepatitis B virus (HBV) infection was monitored from the onset.Of the 192 patients, 113 patients were followed up. One patient died due to acute liver failure, 2 developed chronic HBV infection...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28179493/nutritional-and-lipid-modulation-of-pcsk9-effects-on-cardiometabolic-risk-factors
#18
REVIEW
Jacqueline A Krysa, Teik Chye Ooi, Spencer D Proctor, Donna F Vine
Proprotein convertase subtilisin/kexin type 9 (PCSK9) is a serine protease involved in the regulation of LDL receptor (LDLR) expression and apolipoprotein B lipoprotein cholesterol metabolism. Hepatic PCSK9 protein expression, activity, and secretion have been shown to affect cholesterol homeostasis. An upregulation of hepatic PSCK9 protein leads to increased LDLR degradation, resulting in decreased uptake of apoB lipoproteins and a consequent increase in the plasma concentration of these lipoproteins, including LDL and chylomicron remnants...
April 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28119260/percutaneous-liver-biopsy-retrospective-study-of-primary-and-secondary-hepatic-lymphoma-in-twenty-one-patients
#19
Yan-Feng Bai, Ji-Min Liu, Xiu-Ming Zhang, Chao-Zhe Jiang, Xiao Xu, Shu-Sen Zheng
BACKGROUND: Hepatic lymphoma (HL) is categorized as primary and secondary hepatic lymphoma (PHL and SHL). This disorder can present as hepatic mass or mass-like lesion. Chemotherapy often is the first line treatment for patients with HL. Thus, an accurate pre-management histological diagnosis is essential to potentially improve clinical outcomes. The present study was to explore the prevalence of HL in ultrasound guided liver biopsies for hepatic mass or mass-like lesions, to investigate HL associated clinicopathological features, to raise the awareness of early recognition and proper diagnosis of this entity, and to assess specimen adequacy in needle core biopsy...
February 2017: Hepatobiliary & Pancreatic Diseases International: HBPD INT
https://www.readbyqxmd.com/read/28093193/hbxip-over-expression-as-an-independent-biomarker-for-cervical-cancer
#20
Nan Li, Yixuan Wang, Shuanlong Che, Yang Yang, Junjie Piao, Shuangping Liu, Zhenhua Lin
BACKGROUND: Emerging evidence demonstrated that hepatitis B virus X-interacting protein (HBXIP) has broad roles in cancers. However, high-level expression of HBXIP has been correlated with human malignancies, suggesting roles in carcinogenesis and tumor progression. The aim of the study is to investigate the role and mechanism of HBXIP oncogene and the correlation to the clinicopathological status in cervical cancers. METHODS: A total of 107 cervical cancer patients with strict follow-up, 105 cervical intraepithelial neoplasia (CIN) and 31 normal cervical epithelia samples were selected for immunohistochemical (IHC) staining of HBXIP protein...
February 2017: Experimental and Molecular Pathology
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