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https://www.readbyqxmd.com/read/28445967/lactobacillus-casei-zhang-and-vitamin-k2-prevent-intestinal-tumorigenesis-in-mice-via-adiponectin-elevated-different-signaling-pathways
#1
Yong Zhang, Chen Ma, Jie Zhao, Haiyan Xu, Qiangchuan Hou, Heping Zhang
The incidence of colon cancer has increased considerably and the intestinal microbiota participate in the development of colon cancer. We showed that the L. casei Zhang or vitamin K2 (Menaquinone-7) intervention significantly alleviated intestinal tumor burden in mice. This was associated with increased serum adiponectin levels in both treatments. But osteocalcin level was only increased by L. casei Zhang. Furthermore, the anti-carcinogenic actions of L. casei Zhang were mediated by hepatic Chloride channel-3(CLCN3)/Nuclear Factor Kappa B(NF-κB) and intestinal Claudin15/Chloride intracellular channel 4(CLIC4)/Transforming Growth Factor Beta(TGF-β) signaling, while the vitamin K2 effect involved a hepatic Vitamin D Receptor(VDR)-phosphorylated AMPK signaling pathway...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445592/polo-like-kinase-1-is-a-proviral-host-factor-for-hepatitis-b-virus-replication
#2
Ahmed M Diab, Adrien Foca, Floriane Fusil, Thomas Lahlali, Pascal Jalaguier, Fouzia Amirache, Lia N'Guyen, Nathalie Isorce, François-Loïc Cosset, Fabien Zoulim, Ourania M Andrisani, David Durantel
Chronic Hepatitis B Virus (HBV) infection is a major risk factor for hepatocellular carcinoma (HCC) and current treatments for CHB and HCC are perfectible. Herein, we identified cellular Serine/Threonine Polo-like-kinase 1 (PLK1) as a positive effector of HBV replication. The aim of this study was to demonstrate the proviral role of PLK1 in HBV biosynthesis and validate PLK1 inhibition a potential antiviral strategy. To this end, we employed physiologically relevant HBV infection models of Primary Human Hepatocytes (PHH) and differentiated HepaRG cells, in conjunction with pharmacologic PLK1 inhibitors, siRNA-mediated knockdown, and overexpression of constitutively active PLK1 (PLK1(CA) )...
April 26, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28445292/prognostic-value-of-immunoscore-to-identify-mortality-outcomes-in-adults-with-hbv-related-primary-hepatocellular-carcinoma
#3
Qinwei Yao, Xuli Bao, Ran Xue, Hui Liu, Haixia Liu, Juan Li, Jinling Dong, Zhonghui Duan, Meixin Ren, Juan Zhao, Qi Song, Hongwei Yu, Yueke Zhu, Jun Lu, Qinghua Meng
This study aimed to determine if the immunoscore (IS) staging system would be a potential prognostic factor in hepatitis B virus-related hepatocellular carcinoma (HBV-HCC) in China.IS was performed in a consecutive cohort of HBV-HCC patients (n= 92). CD3+, CD8+, and CD45RO+ T cells were quantified by immunohistochemical analyses. The patients were stratified into 5 IS groups: I0, I1, I2, I3, I4 for every 2 cell phenotypes (IS1 (CD8/CD45RO, IS2 (CD3/CD8), and IS3 (CD3/CD45RO), respectively. ImagePro Plus software was used in the calculation of the paraffin-embedded tumor sections...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28445251/long-term-follow-up-of-patients-with-chronic-hepatitis-c-treated-with-%C3%AE-interferon-and-ribavirin-antiviral-therapy-clinical-and-fibrosis-impact-of-treatment-response
#4
Patricia Cordero-Ruiz, Isabel Carmona-Soria, Manuel Rodríguez-Téllez, Angel Caunedo-Alvarez, Roberto H Quezada-Pacheco, Alexander Flores-Cucho, Manuel Romero-Gómez, Ángel Vilches-Arenas
BACKGROUND AND GOALS: The slow progression of chronic hepatitis C (CHC) infection requires long observation periods to detect clinical changes. We compare the incidence of clinical events, hepatocellular carcinoma (HCC), overall mortality, liver-related mortality, and fibrosis progression between patients with a sustained virological response (SVR) and nonresponders (NR) after a 13-year follow-up period. STUDY: One hundred and eighty-two CHC patients, who received interferon and ribavirin treatment between 1996 and 2000, were included...
April 25, 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28445152/multiplexed-gene-expression-profiling-identifies-the-fgfr4-pathway-as-a-novel-biomarker-in-intrahepatic-cholangiocarcinoma
#5
Changhoon Yoo, Jihoon Kang, Deokhoon Kim, Kyu-Pyo Kim, Baek-Yeol Ryoo, Seung-Mo Hong, Jung Jin Hwang, Seong-Yun Jeong, Shin Hwang, Ki-Hun Kim, Young-Joo Lee, Klaus P Hoeflich, Oleg Schmidt-Kittler, Stephen Miller, Eun Kyung Choi
BACKGROUND: The fibroblast growth factor receptor 4 (FGFR4) pathway is an essential regulatory component of bile acid synthesis, and its relationship with hepatocellular carcinoma (HCC) has been reported. We investigated the gene expression and clinical significance of FGFR4 and related pathways in intrahepatic cholangiocarcinoma (iCCA). RESULTS: The median age was 56 years (range 30-78) and 34 patients (74%) were male. Six patients (13%) had hepatitis B virus infection, with or without liver cirrhosis...
April 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28444987/platelet-count-spleen-length-and-platelet-count-to-spleen-length-ratio-for-the-diagnosis-of-oesophageal-varices-in-people-with-chronic-liver-disease-or-portal-vein-thrombosis
#6
REVIEW
Agostino Colli, Juan Cristóbal Gana, Jason Yap, Thomasin Adams-Webber, Natalie Rashkovan, Simon C Ling, Giovanni Casazza
BACKGROUND: Current guidelines recommend screening of people with oesophageal varices via oesophago-gastro-duodenoscopy at the time of diagnosis of hepatic cirrhosis. This requires that people repeatedly undergo unpleasant invasive procedures with their attendant risks, although half of these people have no identifiable oesophageal varices 10 years after the initial diagnosis of cirrhosis. Platelet count, spleen length, and platelet count-to-spleen length ratio are non-invasive tests proposed as triage tests for the diagnosis of oesophageal varices...
April 26, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28444868/an-ecological-approach-to-discover-new-bioactive-extracts-and-products-the-case-of-extremophile-plants
#7
Ramla Sahli, Céline Rivière, Christel Neut, Joanne Bero, Marie-Emmanuelle Sahuc, Abderrazak Smaoui, Claire Beaufay, Vincent Roumy, Thierry Hennebelle, Yves Rouillé, Joëlle Quetin-Leclercq, Karin Séron, Riadh Ksouri, Sevser Sahpaz
OBJECTIVES: Eight extremophile plants from Tunisia were screened to find natural products with benefits in human health. METHODS: These plants were collected in different areas in Tunisia. Their methanolic extracts were evaluated for their total phenolic content and for their antiradical (DPPH), antimicrobial (on 35 bacteria and one yeast), antiviral (hepatitis C virus, HCV) and cytotoxic activity (against WI38 and J774 cell lines). The most active species were subjected to a bioguided fractionation...
April 26, 2017: Journal of Pharmacy and Pharmacology
https://www.readbyqxmd.com/read/28444819/antenatal-maternal-hepatitis-b-care-is-a-predictor-of-timely-perinatal-administration-of-hepatitis-b-immunoglobulin
#8
Suong Tt Le, Lukas Sahhar, Stephanie Spring, William Sievert, Anouk T Dev
BACKGROUND: Mother-to-child transmission (MTCT) of hepatitis B virus continues to occur despite universal recommendations for neonatal immune prophylaxis therapy (IPT) and infant vaccination. AIM: To characterise the risk factors for failure to provide timely IPT and completion of the infant hepatitis B vaccination schedule for children born to mothers with Chronic Hepatitis B (CHB). METHODS: We conducted a retrospective cohort study to assess compliance with universal guidelines for neonatal IPT for children born to CHB mothers at Monash Health, Australia from 2008 to 2013...
April 26, 2017: Internal Medicine Journal
https://www.readbyqxmd.com/read/28444057/determinant-factors-of-knowledge-attitudes-and-practices-regarding-std-aids-and-viral-hepatitis-among-youths-aged-18-to-29-years-in-brazil
#9
Miguel Barbosa Fontes, Rodrigo Campos Crivelaro, Alice Margini Scartezini, David Duarte Lima, Alexandre de Araújo Garcia, Rafael Tsuyoshi Fujioka
The scope of this study was to evaluate the vulnerability of Brazilian youths to STDs/HIV&AIDS and Viral Hepatitis. Interviews were conducted with 1,208 youths aged 18 to 29 in 15 states and the Federal District. The regional and national adjusted margin of error of the research was 2.8%. The study was approved by the School of Medicine of Brasilia University with support from PAHO and the Ministry of Health. A scale with 35 questions (knowledge, attitudes and practices) was the main dependent variable. Adjusted linear regression models identified the demographic and social determinant factors that explain scale variations...
April 2017: Ciência & Saúde Coletiva
https://www.readbyqxmd.com/read/28443154/drug-induced-liver-injury-do-we-know-everything
#10
REVIEW
Tamara Alempijevic, Simon Zec, Tomica Milosavljevic
Interest in drug-induced liver injury (DILI) has dramatically increased over the past decade, and it has become a hot topic for clinicians, academics, pharmaceutical companies and regulatory bodies. By investigating the current state of the art, the latest scientific findings, controversies, and guidelines, this review will attempt to answer the question: Do we know everything? Since the first descriptions of hepatotoxicity over 70 years ago, more than 1000 drugs have been identified to date, however, much of our knowledge of diagnostic and pathophysiologic principles remains unchanged...
April 8, 2017: World Journal of Hepatology
https://www.readbyqxmd.com/read/28443075/grim-19-restricts-hcv-replication-by-attenuating-intracellular-lipid-accumulation
#11
Jung-Hee Kim, Pil S Sung, Eun B Lee, Wonhee Hur, Dong J Park, Eui-Cheol Shin, Marc P Windisch, Seung K Yoon
Gene-associated with retinoid-interferon-induced mortality 19 (GRIM-19) targets multiple signaling pathways involved in cell death and growth. However, the role of GRIM-19 in the pathogenesis of hepatitis virus infections remains unexplored. Here, we investigated the restrictive effects of GRIM-19 on the replication of hepatitis C virus (HCV). We found that GRIM-19 protein levels were reduced in HCV-infected Huh7 cells and Huh7 cells harboring HCV replicons. Moreover, ectopically expressed GRIM-19 caused a reduction in both intracellular viral RNA levels and secreted viruses in HCVcc-infected cell cultures...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28442771/double-stranded-dna-induces-a-prothrombotic-phenotype-in-the-vascular-endothelium
#12
Erik Gaitzsch, Thomas Czermak, Andrea Ribeiro, Yvonn Heun, Monica Bohmer, Monika Merkle, Hanna Mannell, Christian Schulz, Markus Wörnle, Joachim Pircher
Double-stranded DNA (dsDNA) constitutes a potent activator of innate immunity, given its ability to bind intracellular pattern recognition receptors during viral infections or sterile tissue damage. While effects of dsDNA in immune cells have been extensively studied, dsDNA signalling and its pathophysiological implications in non-immune cells, such as the vascular endothelium, remain poorly understood. The aim of this study was to characterize prothrombotic effects of dsDNA in vascular endothelial cells. Transfection of cultured human endothelial cells with the synthetic dsDNA poly(dA:dT) induced upregulation of the prothrombotic molecules tissue factor and PAI-1, resulting in accelerated blood clotting in vitro, which was partly dependent on RIG-I signalling...
April 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28442624/unphosphorylated-isgf3-drives-constitutive-expression-of-interferon-stimulated-genes-to-protect-against-viral-infections
#13
Wenshi Wang, Yuebang Yin, Lei Xu, Junhong Su, Fen Huang, Yijin Wang, Patrick P C Boor, Kan Chen, Wenhui Wang, Wanlu Cao, Xinying Zhou, Pengyu Liu, Luc J W van der Laan, Jaap Kwekkeboom, Maikel P Peppelenbosch, Qiuwei Pan
Interferon (IFN)-stimulated genes (ISGs) are antiviral effectors that are induced by IFNs through the formation of a tripartite transcription factor ISGF3, which is composed of IRF9 and phosphorylated forms of STAT1 and STAT2. However, we found that IFN-independent ISG expression was detectable in immortalized cell lines, primary intestinal and liver organoids, and liver tissues. The constitutive expression of ISGs was mediated by the unphosphorylated ISGF3 (U-ISGF3) complex, consisting of IRF9 together with unphosphorylated STAT1 and STAT2...
April 25, 2017: Science Signaling
https://www.readbyqxmd.com/read/28442500/high-fat-diet-feeding-alters-expression-of-hepatic-drug-metabolizing-enzymes-in-mice
#14
Miaoran Ning, Hyunyoung Jeong
Medical conditions accompanying obesity often require drug therapy, but whether and how obesity alters the expression of drug-metabolizing enzymes and thus drug pharmacokinetics is poorly defined. Previous studies have shown that high fat diet (HFD) feeding and subsequent obesity in mice lead to altered expression of transcriptional regulators for cytochrome P450 (CYP) 2D6, including hepatocyte nuclear factor 4α (HNF4α, a transcriptional activator of CYP2D6) and small heterodimer partner (SHP, a transcriptional repressor of CYP2D6)...
April 25, 2017: Drug Metabolism and Disposition: the Biological Fate of Chemicals
https://www.readbyqxmd.com/read/28442242/dosimetric-analysis-of-liver-toxicity-after-liver-metastasis-stereotactic-body-radiation-therapy
#15
Aisling Barry, Andrew McPartlin, Patricia Lindsay, Lisa Wang, James Brierley, John Kim, Jolie Ringash, Rebecca Wong, Rob Dinniwell, Tim Craig, Laura A Dawson
PURPOSE: The aim of this study is to describe the incidence and type of liver toxicity seen following liver metastases stereotactic body radiation therapy (SBRT) and the corresponding clinical and dosimetric factors associated with toxicity. METHODS AND MATERIALS: Between 2002 and 2009, 81 evaluable patients with liver metastases were treated on 2 prospective studies assessing SBRT, with prescription doses based on the effective liver volume irradiated evaluated...
March 9, 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28441447/tumor-response-assessment-by-mri-following-stereotactic-body-radiation-therapy-for-hepatocellular-carcinoma
#16
Guillaume Oldrini, Andres Huertas, Sophie Renard-Oldrini, Hélène Taste-George, Guillaume Vogin, Valérie Laurent, Julia Salleron, Philippe Henrot
BACKGROUND: To evaluate the MRI features of a tumor response, local control, and predictive factors of local control after stereotactic body radiation therapy (SBRT) for hepatocellular carcinoma (HCC). METHODS: Thirty-five consecutive patients with 48 HCCs who were treated by SBRT were included in this retrospective study. All patients provided written informed consent to be treated by SBRT, and prior to inclusion they authorized use of the treatment data for further studies...
2017: PloS One
https://www.readbyqxmd.com/read/28440736/levistilide-a-inhibits-angiogenesis-in-liver-fibrosis-via-vascular-endothelial-growth-factor-signaling-pathway
#17
Zhi-Min Zhao, Hong-Liang Liu, Xin Sun, Tao Guo, Li Shen, Yan-Yan Tao, Cheng-Hai Liu
Levistilide A (C24H28O4, molecular weight = 380.48) derived from Angelica sinensis (Danggui) has been reported to inhibit hepatic stellate cell proliferation. This study investigated the effects of levistilide A on liver fibrosis relating to angiogenesis, particularly on the characteristic change in liver sinusoidal endothelial cells. LX-2 cells were activated by TGF-β1, and the human hepatic sinusoidal endothelial cells (HHSECs) were induced by endothelial cell growth supplement. Cell viability was detected using a methylthiazoldiphenyl-tetrazolium bromide assay; F-actin was visualized through the fluorescence probe method; cell proliferation was examined using the EdU kit; antiangiogenesis activity was assessed using the tube formation assay and transgenic zebrafish model...
May 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28440692/both-hepatitis-c-virus-specific-t-cell-responses-and-il28b-rs12979860-single-nucleotide-polymorphism-genotype-influence-antihepatitis-c-virus-treatment-outcome-in-patients-with-chronic-hepatitis-c
#18
José M Benito, Javier García-Samaniego, Marcial García, Antonio Madejón, Luz Martín-Carbonero, Alfonso Cabello, Beatriz Álvarez, Miguel Górgolas, Norma Rallón
Despite new treatments for hepatitis C virus (HCV) infection, IFNα-based regimens still have clinical relevance in special populations of patients and remain the only therapeutic option for many patients. We sought to elucidate the interplay between two relevant factors (IL28B polymorphism and T cell immune responses) involved in the outcome of this therapy in HCV-infected patients. We evaluated 38 patients infected with HCV genotype 1-17 coinfected with HIV-who were undergoing a full course of pegIFNα/RBV therapy...
April 25, 2017: Journal of Interferon & Cytokine Research
https://www.readbyqxmd.com/read/28440514/silibinin-downregulates-mmp2-expression-via-jak2-stat3-pathway-and-inhibits-the-migration-and-invasive-potential-in-mda-mb-231-cells
#19
Hyo Joo Byun, Pramod Darvin, Dong Young Kang, Nipin Sp, Youn Hee Joung, Jong Hwan Park, Sun Jin Kim, Young Mok Yang
Worldwide, breast cancer (BCa) is the most common cancer in women. Among its subtypes, triple-negative breast cancer (TNBC) is an aggressive form associated with diminished survival. TNBCs are characterized by their absence, or minimal expression, of the estrogen and progesterone receptors, as well as the human epidermal growth factor receptor 2 (i.e. ER-/-, PR-/-, Her2-/Low). Consequently, treatment for this subtype of BCa remains problematic. Silibinin, a derivative of the flavonoid silymarin, is reported to have anticancer activities against hepatic and non-small cell lung cancers...
April 19, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28440303/hcv-genotype-6-increased-the-risk-for-hepatocellular-carcinoma-among-asian-patients-with-liver-cirrhosis
#20
Mei-Hsuan Lee, Tiffany I Hsiao, Shreenidhi R Subramaniam, An K Le, Vinh D Vu, Huy N Trinh, Jian Zhang, Mingjuan Jin, Vincent Wai-Sun Wong, Grace Lai-Hung Wong, Mindie H Nguyen
OBJECTIVES: Hepatitis C virus (HCV) infection is a well-documented risk factor for hepatocellular carcinoma (HCC). Seven HCV genotypes have been classified, and the genotypes show a great variety of geographic distribution. HCV genotype 6 is prevalent in Southeast Asia and has been less studied than the other genotypes. METHODS: This follow-up study was designed to evaluate the natural history of HCV genotype 6. The cohort enrolled 851 Asian patients consisting of 222 with HCV genotype 6 and 629 with other genotypes...
April 25, 2017: American Journal of Gastroenterology
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