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https://www.readbyqxmd.com/read/28073090/hair-dyeing-hair-washing-and-hair-cortisol-concentrations-among-women-from-the-healthy-start-study
#1
Sheila K Kristensen, Sofus C Larsen, Nanna J Olsen, Jan Fahrenkrug, Berit L Heitmann
BACKGROUND: Hair cortisol concentration (HCC) has been suggested as a promising marker for chronic stress. However, studies investigating the influence of hair dyeing and hair washing frequency on HCC have shown inconsistent results. OBJECTIVE: To examine associations between HCC and hair dyeing status or weekly hair washing frequency among women. METHODS: This cross-sectional study was based on data from 266 mothers participating in the Healthy Start intervention study...
December 31, 2016: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28043031/liver-5-ht7-receptors-a-novel-regulator-target-of-fibrosis-and-inflammation-induced-chronic-liver-injury-in-vivo-and-in-vitro
#2
Beyzagul Polat, Zekai Halici, Elif Cadirci, Emre Karakus, Yasin Bayir, Abdulmecit Albayrak, Deniz Unal
BACKGROUND AND AIM: Hepatocellular cancer (HCC) is the sixth most common cancer and liver fibrosis is strongly associated with HCC. Treatment options are limited, and preventive strategies should be developed. An important step in the beginning of liver fibrosis is a strong inflammatory response. 5-HT7 is the last recognized member of the serotonin receptor family and is expressed in both central nerve system and peripheral system and have a lot of functions like learning, memory, smooth muscular relaxation, in the control of circadian rhythms and thermoregulation, pain and migraine, schizophrenia, anxiety, cognitive disturbances, and even inflammation...
February 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/27982422/update-review-of-the-acute-porphyrias
#3
REVIEW
Penelope E Stein, Michael N Badminton, David C Rees
Acute porphyrias are rare inherited disorders due to deficiencies of haem synthesis enzymes. To date, all UK cases have been one of the three autosomal dominant forms, although penetrance is low and most gene carriers remain asymptomatic. Clinical presentation is typically with acute neurovisceral attacks characterised by severe abdominal pain, vomiting, tachycardia and hypertension. Severe attacks may be complicated by hyponatraemia, peripheral neuropathy sometimes causing paralysis, seizures and psychiatric features...
December 16, 2016: British Journal of Haematology
https://www.readbyqxmd.com/read/27923259/-established-therapies-and-new-therapeutic-strategies-in-alcoholic-liver-disease
#4
Helmut Karl Seitz, Sebastian Mueller
Chronical alcohol abuse causes more than 200 diseases and/or symptoms and among these alcoholic liver disease (ALD) is of special importance since it occurs frequently and may be life-threatening. In Europe alcohol consumption as well as ALD increased as compared to the rest of the world. It has been estimated that in Europe approximately 500 000 people die every year due to ALD. ALD consists of alcoholic fatty liver, alcoholic steatohepatitis (ASH), alcoholic cirrhosis and hepatocellar cancer (HCC ). Alcohol hepatitis (AH) is a clinical feature with jaundice and liver failure and a high mortality...
December 6, 2016: Zeitschrift Für Gastroenterologie
https://www.readbyqxmd.com/read/27922182/retinoid-derivative-tp80-exhibits-anti-hepatitis-c-virus-activity-through-restoration-of-gi-gpx-expression
#5
Nguyen Bao Ngoc, Yukiko Okuno, Masahiko Ajiro, Kei Iida, Masatsugu Denawa, Makoto Yamamoto, Naoya Sakamoto, Hiroyuki Kagechika, Masatoshi Hagiwara
Hepatitis C virus (HCV) is a positive-sense single-stranded RNA virus with an estimated infection in ∼180 million people worldwide, and its chronic infection leads to development of cirrhosis and hepatocellular carcinoma. Although recent development of direct acting antiviral (DAA) compounds improved anti-HCV regimens, alternative therapeutic compounds are still demanded due to an expected emergence of escape mutants for those DAAs. In order to identify novel anti-HCV agents, we conducted chemical library screening for 2,086 compounds using HCV Rep-Feo reporter replicon in Huh7 hepatoma cells...
December 6, 2016: Journal of Medical Virology
https://www.readbyqxmd.com/read/27868197/expression-of-a-hepatitis-b-virus-pre-s2-deletion-mutant-in-the-liver-results-in-hepatomegaly-and-hepatocellular-carcinoma-in-mice
#6
Yuan-Chi Teng, Jenq Chyuan Neo, Jaw-Ching Wu, Yi-Fan Chen, Cheng-Heng Kao, Ting-Fen Tsai
Hepatocellular carcinoma (HCC) is the most common form of liver cancer and has a poor prognosis and a low survival rate; its incidence is on the rise. Hepatitis B virus (HBV) infection is one of the main causes of HCC. A high prevalence of pre-S deletions of HBV surface antigen, which encompass T-cell and/or B-cell epitopes, is found in HBV carriers; antiviral therapy and viral immune escape may cause and select for these HBV mutants. In particular, the presence of pre-S2 deletion mutants is an important risk factor associated with cirrhosis and HCC...
November 21, 2016: Journal of Pathology
https://www.readbyqxmd.com/read/27863447/hepatitis-c-virus-infection-triggers-a-tumor-like-glutamine-metabolism
#7
Pierre L Lévy, Sarah Duponchel, Hannah Eischeid, Jennifer Molle, Maud Michelet, Gaëlle Diserens, Martina Vermathen, Peter Vermathen, Jean-Francois Dufour, Hans-Peter Dienes, Hans-Michael Steffen, Margarete Odenthal, Fabien Zoulim, Birke Bartosch
Chronic infection with hepatitis C virus (HCV) is one of the main causes of hepatocellular carcinoma. However, the molecular mechanisms linking the infection to cancer development remain poorly understood. Here we used HCV-infected cells and liver biopsies to study how HCV modulates the glutaminolysis pathway, which is known to play an important role in cellular energetics, stress defense and neoplastic transformation. Transcript levels of glutaminolytic factors were quantified in Huh7.5 cells or primary human hepatocytes infected with the JFH1 HCV strain as well as in biopsies of chronic HCV patients...
November 18, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/27801949/maternal-prenatal-stress-and-child-atopic-dermatitis-up-to-age-2-years-the-ulm-spatz-health-study
#8
Stefanie Braig, Johannes M Weiss, Tobias Stalder, Clemens Kirschbaum, Dietrich Rothenbacher, Jon Genuneit
BACKGROUND: Evidence linking maternal psychosocial stress during pregnancy to subsequent child atopic dermatitis (AD) is growing, but the definition of AD is diverse and results are inconsistent. We aimed to analyze the relationship between stress and AD using alternative measurements of stress and AD. METHODS: In the Ulm SPATZ Health Study, chronic stress and symptoms of anxiety and depression were assessed by standardized self-reported questionnaires in 934 mothers of singletons following delivery in Ulm, Germany, from 04/2012-05/2013...
November 1, 2016: Pediatric Allergy and Immunology
https://www.readbyqxmd.com/read/27769059/microarray-analysis-on-the-lncrna-expression-profile-in-male-hepatocelluar-carcinoma-patients-with-chronic-hepatitis-b-virus-infection
#9
Jianjun Niu, Yong Lin, Pingguo Liu, Yiwen Yu, Chenghao Su, Xiaomin Wang
Long non-coding RNAs are involved with development and progression of cancer, and the advance of microarray technology allows the researchers to investigate the complete expression profile of lncRNA in various kinds of sample. We enrolled 5 male primary HCC cases with chronic HBV infection and the HCC and normal tissues have been obtained during the resection surgery. After total RNA extraction, the lncRNA microarray analysis was conducted to determine the lncRNA and mRNA expression signals. 612 lncRNAs and 1,064 mRNAs were significantly up-regulated in HCC tissue while 656 lncRNAs and 1,532 mRNAs were down-regulated in HCC tissues...
October 18, 2016: Oncotarget
https://www.readbyqxmd.com/read/27742031/distinct-subpopulations-of-hepatitis-c-virus-infectious-cells-with-different-levels-of-intracellular-hepatitis-c-virus-core-protein
#10
Shu-Chi Wang, Jeng-Fu Yang, Chao-Ling Wang, Chung-Feng Huang, Yu-Yin Lin, Yi-You Chen, Chung-Ting Lo, Po-Yen Lee, Kuan-Ta Wu, Chia-I Lin, Meng-Hsuan Hsieh, Hung-Yi Chuang, Chi-Kung Ho, Ming-Lung Yu, Chia-Yen Dai
Chronic infection by hepatitis C virus (HCV) is a major risk factor for the development of hepatocellular carcinoma (HCC). Despite the clear clinical importance of virus-associated HCC, the underlying molecular mechanisms remain largely unclarified. Oxidative stress, in particular, DNA lesions associated with oxidative damage, plays a major role in carcinogenesis, and is strongly linked to the development of many cancers, including HCC. However, in identifying hepatocytes with HCV viral RNA, estimates of the median proportion of HCV-infected hepatocytes have been found as high as 40% in patients with chronic HCV infection...
October 2016: Kaohsiung Journal of Medical Sciences
https://www.readbyqxmd.com/read/27740521/predictive-role-blvra-mrna-expression-in-hepatocellular-cancer
#11
Kristy Na Kubícková, Iva Subhanová, Renáta Konícková, Linda Matousová, Petr Urbánek, Hana Parobková, Martin Kupec, Jirí Pudil, Libor Vítek
:  Introduction and aim. Hepatocellular carcinoma (HCC) is the most common primary malignant liver tumor. It is primarily caused by hepatic cirrhosis or chronic viral hepatitis. Hepatic carcinogenesis is associated with increased oxidative stress. Thus, the aim of our study was to assess expression of the genes involved in the homeostasis of oxidative stress in patients with HCC. MATERIAL AND METHODS: The study was performed on 32 patients with primary HCC (verified by liver histology in 29 patients) and 27 control subjects (in 11 subjects, liver histology was available either with no or minimal changes in the liver tissue)...
November 2016: Annals of Hepatology
https://www.readbyqxmd.com/read/27733315/molecular-pathogenesis-and-clinical-consequences-of-iron-overload-in-liver-cirrhosis
#12
Katarzyna Sikorska, Agnieszka Bernat, Anna Wroblewska
BACKGROUND: The liver, as the main iron storage compartment and the place of hepcidin synthesis, is the central organ involved in maintaining iron homeostasis in the body. Excessive accumulation of iron is an important risk factor in liver disease progression to cirrhosis and hepatocellular carcinoma. Here, we review the literature on the molecular pathogenesis of iron overload and its clinical consequences in chronic liver diseases. DATA SOURCES: PubMed was searched for English-language articles on molecular genesis of primary and secondary iron overload, as well as on their association with liver disease progression...
October 2016: Hepatobiliary & Pancreatic Diseases International: HBPD INT
https://www.readbyqxmd.com/read/27714455/genetic-basis-of-hepatitis-virus-associated-hepatocellular-carcinoma-linkage-between-infection-inflammation-and-tumorigenesis
#13
Haruhiko Takeda, Atsushi Takai, Tadashi Inuzuka, Hiroyuki Marusawa
Hepatitis virus infection is a leading cause of chronic liver disease, including cirrhosis and hepatocellular carcinoma (HCC). Although anti-viral therapies against hepatitis B virus (HBV) and hepatitis C virus (HCV) have dramatically progressed during the past decade, the estimated number of people chronically infected with HBV and/or HCV is ~370 million, and hepatitis virus-associated hepatocarcinogenesis is a serious health concern worldwide. Understanding the mechanism of virus-associated carcinogenesis is crucial toward both treatment and prevention, and the recently developed whole genome/exome sequencing analysis using next-generation sequencing technologies has contributed to unveiling the landscape of genetic and epigenetic aberrations in not only tumor tissues but also the background liver tissues underlying chronic liver damage caused by hepatitis virus infection...
October 6, 2016: Journal of Gastroenterology
https://www.readbyqxmd.com/read/27677955/role-of-oxidative-stress-in-hepatitis-c-virus-induced-hepatocellular-carcinoma
#14
Na Fu, Hui Yao, Yuemin Nan, Liang Qiao
Hepatocellular carcinoma (HCC) is a leading cause of cancer-related death worldwide. Hepatitis C virus (HCV) infection is the predominant cause of chronic liver diseases and HCC, particularly in Western countries. Multiple molecular mechanisms are involved in the development and progression of HCV-related HCC, of which oxidative stress plays a pivotal role. HCV infection induces overproduction of reactive oxygen species (ROS) and impairs the function of endogenous antioxidants. Excessive amount of ROS directly damages DNA, lipids and proteins...
September 26, 2016: Current Cancer Drug Targets
https://www.readbyqxmd.com/read/27563875/micronutrient-antioxidants-and-nonalcoholic-fatty-liver-disease
#15
REVIEW
Guanliang Chen, Yinhua Ni, Naoto Nagata, Liang Xu, Tsuguhito Ota
Nonalcoholic fatty liver disease (NAFLD) is one of the most important chronic liver diseases worldwide and has garnered increasing attention in recent decades. NAFLD is characterized by a wide range of liver changes, from simple steatosis to nonalcoholic steatohepatitis, cirrhosis, and hepatocellular carcinoma. The blurred pathogenesis of NAFLD is very complicated and involves lipid accumulation, insulin resistance, inflammation, and fibrogenesis. NAFLD is closely associated with complications such as obesity, diabetes, steatohepatitis, and liver fibrosis...
August 23, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27562587/nf%C3%AE%C2%BAb-activation-demarcates-a-subset-of-hepatocellular-carcinoma-patients-for-targeted-therapy
#16
Vignesh Ramesh, Karthikeyan Selvarasu, Jaishree Pandian, Soundarajan Myilsamy, Chidambaranathan Shanmugasundaram, Kumaresan Ganesan
BACKGROUND: Hepatocellular carcinoma (HCC) is the fifth most common cancer and the third leading cause of cancer death worldwide. It is a heterogeneous disorder and >80 % of the tumors develop in patients with liver cirrhosis, resulting from chronic inflammation and/or fibrosis. Here, we set out to identify novel targets for HCC therapy and to define a subgroup of patients that might benefit most from it. METHODS: Cellular pathway activation profiling of 45 transcription factors in a HCC-derived cell line (HEP3B), in vitro analysis of NFκB reporter activity in additional HCC-derived cell lines and pathway-focused integrative analyses of publicly available primary HCC-derived expression profiling data (GSE6764, GSE9843, E-TABM-36 and E-TABM-292) were employed to reveal a role of NFκB in HCC development...
December 2016: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/27526095/p62-sequestosome-1-is-indispensable-for-maturation-and-stabilization-of-mallory-denk-bodies
#17
Pooja Lahiri, Volker Schmidt, Claudia Smole, Iris Kufferath, Helmut Denk, Pavel Strnad, Thomas Rülicke, Leopold F Fröhlich, Kurt Zatloukal
Mallory-Denk bodies (MDBs) are hepatocytic protein aggregates found in steatohepatitis and several other chronic liver diseases as well as hepatocellular carcinoma. MDBs are mainly composed of phosphorylated keratins and stress protein p62/Sequestosome-1 (p62), which is a common component of cytoplasmic aggregates in a variety of protein aggregation diseases. In contrast to the well-established role of keratins, the role of p62 in MDB pathogenesis is still elusive. We have generated total and hepatocyte-specific p62 knockout mice, fed them with 3,5-diethoxycarbonyl-1,4-dihydrocollidine (DDC) to induce MDBs and allowed the mice to recover from DDC intoxication on a standard diet to investigate the role of p62 in MDB formation and elimination...
2016: PloS One
https://www.readbyqxmd.com/read/27525410/ductular-reaction-cytokeratin-7-positivity-and-gamma-glutamyl-transferase-in-multistage-hepatocarcinogenesis-in-rats
#18
Andrea Janz Moreira, Graziella Ramos Rodrigues, Silvia Bona, Leila Xavier Sinigaglia Fratta, Giovana Regina Weber, Jaqueline Nascimento Picada, Jorge Luiz Dos Santos, Carlos Thadeu Cerski, Claudio Augusto Marroni, Norma Possa Marroni
Hepatocellular carcinoma (HCC) is the most common primary malignancy of the liver and is characterized by multistage formation. The presence of ductular reaction, cytokeratin 7 positivity (PCK7), and increased levels of gamma glutamyltransferase (γGT) has been observed during liver carcinogenesis and contribute to tumor progression. Our goal was to evaluate the ductular reaction in multistage carcinogenesis and to correlate PCK7 and γGT levels with tumor incidence, histological characteristics, liver DNA damage index, and the expression of oxidative stress proteins...
August 15, 2016: Protoplasma
https://www.readbyqxmd.com/read/27521733/deleterious-effect-of-chronic-continuous-hypoxia-on-oral-health
#19
Antonela R Terrizzi, Javier Fernandez-Solari, Ching M Lee, María Ines Conti, María Pilar Martínez
OBJECTIVE: To evaluate the effect of chronic continuous hypoxia (CCH) in alveolar bone and its correlation with the inflammatory markers which play a key role in the development of periodontitis. MATERIAL AND METHODS: Wistar rats were exposed to CCH (600mbar, 3 months). Macroscopic and histological analyses of alveolar bone were performed, together with measurement of oxidative stress and inflammatory parameters in gums and submandibular glands (SMG). RESULTS: HCC induced cortical alveolar bone loss, decreased interradicular bone volume and increased the periodontal ligament height compared to control rats (p<0...
December 2016: Archives of Oral Biology
https://www.readbyqxmd.com/read/27515972/hair-cortisol-in-relation-to-job-stress-and-depressive-symptoms
#20
H Janssens, E Clays, T Fiers, A G Verstraete, D de Bacquer, L Braeckman
BACKGROUND: Measurement of hair cortisol concentration (HCC) may be used as a biomarker for chronic stress. However, the association between stress and HCC has rarely been investigated in a working population. AIMS: To explore associations between (i) HCC and various stress measures and (ii) HCC and symptoms of depression in Belgian workers. METHODS: Hair samples were collected from workers in two production companies and cortisol content was determined by liquid chromatography tandem mass spectrometry...
August 11, 2016: Occupational Medicine
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