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https://www.readbyqxmd.com/read/28813500/telomere-biology-and-telomerase-mutations-in-cirrhotic-patients-with-hepatocellular-carcinoma
#1
Flávia S Donaires, Natália F Scatena, Raquel M Alves-Paiva, Joshua D Podlevsky, Dhenugen Logeswaran, Barbara A Santana, Andreza C Teixeira, Julian J-L Chen, Rodrigo T Calado, Ana L C Martinelli
Telomeres are repetitive DNA sequences at linear chromosome termini, protecting chromosomes against end-to-end fusion and damage, providing chromosomal stability. Telomeres shorten with mitotic cellular division, but are maintained in cells with high proliferative capacity by telomerase. Loss-of-function mutations in telomere-maintenance genes are genetic risk factors for cirrhosis development in humans and murine models. Telomerase deficiency provokes accelerated telomere shortening and dysfunction, facilitating genomic instability and oncogenesis...
2017: PloS One
https://www.readbyqxmd.com/read/28807240/role-of-exosomes-in-treatment-of-hepatocellular-carcinoma
#2
REVIEW
Demetrios Moris, Eliza W Beal, Jeffery Chakedis, Richard A Burkhart, Carl Schmidt, Mary Dillhoff, Xufeng Zhang, Stamatios Theocharis, Timothy M Pawlik
Exosomes are nanovesicles that may play a role in intercellular communication by acting as carriers of functional contents such as proteins, lipids, RNA molecules and circulating DNA from donor to recipient cells. In addition, exosomes may play a potential role in immunosurveillance and tumor pathogenesis and progression. Recently, research has increasingly focused on the role of exosomes in hepatocellular carcinoma (HCC), the most common primary liver malignancy. We herein review data on emerging experimental and clinical studies focused on the role of exosomes in the pathogenesis, diagnosis, progression and chemotherapy response of patients with HCC...
September 2017: Surgical Oncology
https://www.readbyqxmd.com/read/28799151/contrast-enhanced-ultrasound-features-of-hepatocellular-carcinoma-not-detected-during-the-screening-procedure
#3
Yi Dong, Wen-Ping Wang, Feng Mao, Christoph Dietrich
Aim The aim of this retrospective study is to report on the characteristics of contrast-enhanced ultrasound (CEUS) of primarily not detected hepatocellular carcinoma (HCC) during the screening procedure of patients at risk. Methods Sixty-four patients with a finally solitary and histologically proven HCC not detected HCC during the screening procedure were retrospectively analyzed. Most of HCC lesions (90.6 %, 58/64) measured < 20 mm in diameter. All HCC lesions were not detected during the initial screening procedure but suspected using contrast-enhanced magnetic resonance imaging...
August 2017: Zeitschrift Für Gastroenterologie
https://www.readbyqxmd.com/read/28798895/prevalence-and-identification-of-serum-markers-associated-with-vertical-transmission-of-hepatitis-b-in-pregnant-women-in-yaounde-cameroon
#4
Lucien Honoré Etame Sone, Roger Ahouga Voufo, Henriette Thérèse Dimodi, Michel Kengne, Cédric Gueguim, Nnanga Ngah, Julius Oben, Judith Laure Ngondi
OBJECTIVE: To determine the prevalence of Hepatitis B Virus (HBV) infection in pregnant women and identify markers associated with vertical transmission of HBV. METHODS: Prospective and cross-sectional study over 10 months on 298 pregnant women attending antenatal clinics in the Cité Verte and Efoulan District hospitals in Cameroon. A dry tube blood collection was performed on all pregnant women and babies born to HBsAg-positive mothers. Serum from the women was used to test for HBsAg through immunochromatography and then confirmed by ELISA...
2017: International Journal of MCH and AIDS
https://www.readbyqxmd.com/read/28797080/physician-perspectives-on-the-management-of-viral-hepatitis-and-hepatocellular-carcinoma-in-myanmar
#5
Yoona A Kim, Sam Trinh, Si Thura, Khin Pyone Kyi, Thomas Lee, Stan Sze, Adam Richards, Andrew Aronsohn, Grace L H Wong, Yasuhito Tanaka, Geoffrey Dusheiko, Mindie H Nguyen
BACKGROUND: In Myanmar, over five million people are infected with hepatitis B virus (HBV) and hepatitis C virus (HCV). Hepatitis has been a recent focus with the development of a National Strategic Plan on Hepatitis and plans to subsidize HCV treatment. METHODS: During a two-day national liver disease symposium covering HCV, HBV, hepatocellular (HCC), and end-stage liver disease (ESLD), physician surveys were administered using the automated response system (ARS) to assess physician knowledge, perceptions of barriers to screening and treatment, and proposed solutions...
2017: PloS One
https://www.readbyqxmd.com/read/28796071/overexpression-of-microrna-let-7-correlates-with-disease-progression-and-poor-prognosis-in-hepatocellular-carcinoma
#6
Wenxia Shi, Zili Zhang, Bin Yang, Hua Guo, Li Jing, Tong Liu, Ying Luo, Hui Liu, Yayue Li, Yingtang Gao
The aim of the study was to explore the clinical significance of let-7 expression in hepatocellular carcinoma (HCC).A PCR array was conducted to screen for let-7 expression in early-stage HCC. Next, the deregulation of let-7 was confirmed by quantitative real-time RT-PCR (qRT-PCR) in another set of liver tissues, including normal control (NC), chronic hepatitis (CH), liver cirrhosis (LC), HCC, and adjacent nontumor (NT) tissues. In addition, as the potential target mRNA of let-7, alpha 2(I) collagen (COL1A2) mRNA was also quantified in the above liver tissues...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28780680/mri-for-hepatocellular-carcinoma-a-primer-for-magnetic-resonance-imaging-interpretation
#7
REVIEW
Tina Sanghvi, James Boyum, Ben Spilseth, Robben Schat, Heather Estby, Andrew Taylor
Hepatocellular carcinoma is among the most prevalent solid organ cancers, and, unlike many cancers, may be diagnosed non-invasively by imaging criteria [1] with the preferred modality recently shifting from multiphasic computed tomography (MDCT) to magnetic resonance imaging (MRI). The purpose of this article is to help facilitate radiologists and radiology trainees in the transition to MRI by providing a step-wise approach to exam interpretation to improve the MRI detection of HCC. A methodical, consistent approach to navigating a HCC screening MRI exam, in conjunction with the LI-RADS framework for characterization, should lead to improved HCC detection and diagnosis...
August 5, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28776496/regular-hospital-visits-improve-the-prognosis-of-hepatocellular-carcinoma-after-initial-diagnosis-a-single-regional-community-hospital-study
#8
Masaaki Watanabe, Hiroaki Yomokori, Yoshihito Takahashi, Tsutomu Minamino, Hidefumi Kubo, Takemichi Okada, Hitoshi Yamazaki, Akitaka Shibuya, Wasaburo Koizum
BACKGROUND/AIMS: The aims of this study were to investigate the relationship between regular hospital visits and prognosis of hepatocellular carcinoma (HCC) and to suggest methods to avoid poor prognoses in HCC. MATERIALS AND METHODS: In total, 103 patients with initial HCC were classified into 3 groups based on hospital visits occurring 1 year before diagnosis: group A was patients with regular hepatologist visits (n=41), group B was those with regular visits to other hospital divisions (n=50), and group C was those with no hospital visits (n=12)...
August 4, 2017: Turkish Journal of Gastroenterology: the Official Journal of Turkish Society of Gastroenterology
https://www.readbyqxmd.com/read/28776383/hepatocellular-carcinoma-in-patients-without-advanced-fibrosis-after-eradication-of-hcv-with-antiviral-treatment
#9
Yolanda Sánchez-Torrijos, Jara Eloísa Ternero Vega, Carmen Cepeda Franco
From the last few years, hepatitis C virus and the new direct antiviral treatments are being more and more important. In consequence, case studies like the one we present, the appearance of hepatocelullar carcinoma after its eradication with fibrosis grade 2, are getting special interest. In 2007, our patient was treated with pegylated interferon α-2a and ribavirin, having a sustained virological response after it. In this way, liver fibrosis grade 2 was confirmed by a biopsy. Finally, after corroborating a good liver functioning, the patient was discharged (as, according to the guidebooks, an ultrasound scan of screeing every 6 months was not required)...
August 4, 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/28776339/trends-in-malignancies-among-korean-patients-infected-with-human-immunodeficiency-virus-in-the-highly-active-antiretroviral-therapy-era
#10
Shinwon Lee, Sun Hee Lee, Jeong Eun Lee, Jin Suk Kang, Seung Geun Lee, Joo Seop Chung, Ihm Soo Kwak
Since the introduction of highly active antiretroviral therapy, the life span of people with human immunodeficiency virus (HIV) or AIDS (PWHA) has been extended significantly. Therefore, the importance of non-AIDS-defining cancers (NADCs), as well as AIDS-defining cancers (ADCs) has increased. There is little information concerning the epidemiology of malignancies in PWHA in Korea. A descriptive epidemiologic study was conducted at a tertiary care hospital in Korea. PWHA who visited Pusan National University Hospital from January 2000 to October 2014 were included...
September 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28776185/modulation-of-cellular-energetics-by-galactose-and-pioglitazone
#11
David Grimm, Leonardo Altamirano, Sudip Paudel, Leah Welker, Mary E Konkle, Nilay Chakraborty, Michael A Menze
The Warburg effect is ameliorated by culturing transformed cells in the presence of galactose instead of glucose as the primary carbon source. However, metabolic consequences may occur in addition to sensitizing the cells to mitochondrial toxins. The screening of pharmaceutical agents against transformed cells while using galactose must therefore be carefully evaluated. Pioglitazone is employed in clinical applications to treat type-2 diabetes but clearly has other off-target effects. Human hepatocellular carcinoma cells (HepG2) were cultured in glucose or galactose-containing medium to investigate the role of pioglitazone on cellular bioenergetics by calorimetry and respirometry...
August 3, 2017: Cell and Tissue Research
https://www.readbyqxmd.com/read/28774405/epidemiology-of-hepatitis-b-and-the-role-of-vaccination
#12
REVIEW
Matthew S Chang, Mindie H Nguyen
Hepatitis B virus (HBV) is a major cause of morbidity and mortality with a disproportionate impact on Asia and Africa. Current guidelines recommend screening at-risk populations for chronic HBV infection so that diagnosed individuals can be linked to appropriate hepatitis care. The vast majority of infected individuals are undiagnosed and untreated, and are at risk of developing cirrhosis, liver failure, and hepatocellular carcinoma. In individuals who are not yet infected, the HBV vaccine is safe and highly effective at preventing disease transmission...
June 2017: Best Practice & Research. Clinical Gastroenterology
https://www.readbyqxmd.com/read/28774165/current-status-of-hepatitis-c-virus-infection-and-countermeasures-in-south-korea
#13
REVIEW
Sook-Hyang Jeong, Eun Sun Jang, Hwa Young Choi, Kyung-Ah Kim, Wankyo Chung, Moran Ki
Hepatitis C virus (HCV) infection is a major cause of liver cirrhosis, hepatocellular carcinoma, and liver-related mortality. The new antiviral drugs against HCV, direct acting antivirals, result in >90% cure rate. This review aimed to summarize the current prevalence, clinical characteristics, outcomes, and treatment response associated with HCV infection, and countermeasures for optimal HCV control in South Korea. Based on a literature review, the current anti-HCV prevalence in the Korean population is 0...
2017: Epidemiology and Health
https://www.readbyqxmd.com/read/28771246/diagnosis-and-treatment-of-tyrosinemia-type-i-a-us-and-canadian-consensus-group-review-and-recommendations
#14
REVIEW
Jeffrey M Chinsky, Rani Singh, Can Ficicioglu, Clara D M van Karnebeek, Markus Grompe, Grant Mitchell, Susan E Waisbren, Muge Gucsavas-Calikoglu, Melissa P Wasserstein, Katie Coakley, C Ronald Scott
Tyrosinemia type I (hepatorenal tyrosinemia, HT-1) is an autosomal recessive condition resulting in hepatic failure with comorbidities involving the renal and neurologic systems and long term risks for hepatocellular carcinoma. An effective medical treatment with 2-[2-nitro-4-trifluoromethylbenzoyl]-1,3-cyclohexanedione (NTBC) exists but requires early identification of affected children for optimal long-term results. Newborn screening (NBS) utilizing blood succinylacetone as the NBS marker is superior to observing tyrosine levels as a way of identifying neonates with HT-1...
August 3, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/28769581/clinical-utility-of-nitisinone-for-the-treatment-of-hereditary-tyrosinemia-type-1-ht-1
#15
REVIEW
Anibh Martin Das
Medical therapy for hereditary hepatorenal tyrosinemia (hereditary tyrosinemia type 1, HT-1) with nitisinone was discovered incidentally, and is a by-product of agrochemistry. It blocks the catabolic pathway of tyrosine, thereby leading to a reduction in the accumulation of toxic metabolites in HT-1. It has to be combined with a low-protein diet supplemented with amino acid mixtures devoid of tyrosine and phenylalanine. This treatment option has completely changed the clinical course of patients suffering from HT-1 who used to die in the first few months to years of life from liver failure, renal dysfunction, and/or hepatocellular carcinoma (HCC)...
2017: Application of Clinical Genetics
https://www.readbyqxmd.com/read/28768863/hras-egfr-met-and-ron-are-recurrently-activated-by-provirus-insertion-in-mav-2-retrovirus-induced-liver-tumors
#16
Vladimir Pecenka, Petr Pajer, Vít Karafiat, Petra Kasparova, Jana Dudlova, Michal Dvorak
Myeloblastosis-associated virus-2 (MAV-2) is a highly tumorigenic simple avian retrovirus. Chickens infected in ovo with MAV-2 develop tumors in kidneys, lungs, and liver with a short latency of less then 8 weeks. Here we report the results of molecular analyses of MAV-2-induced liver tumors that fall into three classes: hepatic hemangiosarcomas (HHS), intrahepatic cholangiocarcinomas (ICC), and hepatocellular carcinomas (HCC). Comprehensive inverse PCR-based screening of 92 chicken liver tumors revealed that in ca 86 % of these tumors, MAV-2 provirus had integrated into one of four gene loci: HRAS, EGFR, MET, and RON Insertionally mutated genes correlated with tumor type - HRAS was hit in HHSs, MET in ICCs, RON mostly in ICCs and EGFR mostly in HCC...
August 2, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28763841/-copy-number-aberrations-of-genes-related-to-extrohepatic-metastasis-free-survival-after-operation-for-hepatocellular-carcinoma
#17
L L Bao, Z Z Zhu, B J Wen, X X Wan, Y Q Ye, L Chen, S Q He, W M Cong
Objective: To investigate the molecular markers of copy number aberrations (CNAs) of genes related to extrohepatic metastasis-free survival after the operation for hepatocellular carcinoma (HCC). Methods: The CNA status of 20 candidate genes in 66 HCC samples was detected by microarray comparative genomic hybridization. The associations between gene CNAs and extrohepatic metastasis-free survival were evaluated using the Cox regression model, Log-rank test, and Kaplan-Meier survival analysis. Results: Multivariate Cox analysis revealed that the independent risk factors for metastasis-free survival were MDM4 gain (hazard ratio [HR] = 2...
May 20, 2017: Zhonghua Gan Zang Bing za Zhi, Zhonghua Ganzangbing Zazhi, Chinese Journal of Hepatology
https://www.readbyqxmd.com/read/28762034/transcriptome-profiling-analysis-of-differentially-expressed-mrnas-and-lncrnas-in-hepg2-cells-treated-with-peptide-9r-p201
#18
Wenrong Liu, Ruofan Ding, Yiming Zhang, Canquan Mao, Ran Kang, Junhua Meng, Qingqing Huang, Lili Xiong, Zhiyun Guo
OBJECTIVE: To characterize the transcriptome profile of hepatocellular carcinoma (HCC) HepG2 cells treated with peptide 9R-P201 for further functional verification and HCC drug development. RESULTS: 1557 mRNAs (1125 upregulated and 432 downregulated) and 881 lncRNAs (640 upregulated and 241 downregulated) with significant differential expression were identified using RNA-seq. The qRT-PCR results showed that the differential expression of several mRNAs and lncRNAs coincided with the RNA-seq results...
July 31, 2017: Biotechnology Letters
https://www.readbyqxmd.com/read/28759595/hbv-infection-in-untreated-hiv-infected-adults-in-maputo-mozambique
#19
Lúcia Mabalane Chambal, Eduardo Samo Gudo, Awa Carimo, Rita Corte Real, Nédio Mabunda, Cremildo Maueia, Adolfo Vubil, Ana Flora Zicai, Nilesh Bhatt, Francisco Antunes
BACKGROUND: HIV/ HBV coinfected patients are at high risk of developing chronic HBV infection, liver cirrhosis and hepatocellular carcinoma. In Mozambique, where HIV prevalence is one of the highest in the world, HIV-infected patients are scarcely characterized in terms of HBV coinfection and 3TC-resistance mutations profile. METHODS: To characterize ART-naïve HIV-infected adults, with and without HBV coinfection, a cross-sectional study was conducted between May and November 2012 in two health centers from Maputo city, Mozambique...
2017: PloS One
https://www.readbyqxmd.com/read/28758319/treatment-options-for-unresectable-hcc-with-a-focus-on-sirt-with-yttrium-90-resin-microspheres
#20
REVIEW
Eric A Wang, Jeff P Stein, Ross J Bellavia, Scott R Broadwell
Hepatocellular carcinoma (HCC), the predominant form of primary liver cancer, is the second leading cause of cancer-related deaths across the globe. Only a small percentage of HCC patients (~20%-30%) are diagnosed at an early stage when first-line treatment options may be effective. The majority of HCC patients (>70%) are diagnosed with unresectable disease and given a poor overall prognosis. Current treatment guidelines recommend locoregional therapy with transarterial chemoembolisation (TACE) and systemic therapy with sorafenib as first-line treatment for patients with intermediate and advanced stage HCC...
July 30, 2017: International Journal of Clinical Practice
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