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https://www.readbyqxmd.com/read/29152775/new-insights-into-diagnosis-and-therapeutic-options-for-proliferative-hepatoblastoma
#1
Katarzyna B Hooks, Jérôme Audoux, Helena Fazli, Sarah Lesjean, Tony Ernault, Nathalie-Dugot Senant, Thierry Leste-Lasserre, Martin Hagedorn, Benoit Rousseau, Coralie Danet, Sophie Branchereau, Laurence Brugières, Sophie Taque, Catherine Guettier, Monique Fabre, Anne Rullier, Marie-Annick Buendia, Thérèse Commes, Christophe F Grosset, Anne-Aurélie Raymond
Surgery and cisplatin-based treatment of hepatoblastoma (HB) currently guarantee the survival of 70-80% of patients. However, some important challenges remain in diagnosing high risk tumors and identifying relevant targetable pathways offering new therapeutic avenues. Previously, two molecular subclasses of hepatoblastoma tumors have been described, namely C1 and C2; C2 being the subgroup with the poorest prognosis, a more advanced tumor stage and the worst overall survival rate. An associated 16-gene signature to discriminate the two tumoral subgroups was proposed but it has not been transferred into clinical routine...
November 20, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29138840/low-dosage-of-arsenic-trioxide-inhibits-vasculogenic-mimicry-in-hepatoblastoma-without-cell-apoptosis
#2
Feng Zhang, Chun-Mei Zhang, Shu Li, Kun-Kun Wang, Bin-Bin Guo, Yao Fu, Lu-Yang Liu, Yu Zhang, Hai-Yu Jiang, Chang-Jun Wu
Hepatoblastoma (HB) is the most common type of pediatric liver malignancy, which predominantly occurs in young children (aged <5 years), and continues to be a therapeutic challenge in terms of metastasis and drug resistance. As a new pattern of tumor blood supply, vasculogenic mimicry (VM) is a channel structure lined by tumor cells rather than endothelial cells, which contribute to angiogenesis. VM occurs in a variety of solid tumor types, including liver cancer, such as hepatocellular carcinoma. The aim of the present study was to elucidate the effect of arsenic trioxide (As2O3) on VM...
November 14, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29137313/rna-seq-reveals-distinctive-rna-profiles-of-small-extracellular-vesicles-from-different-human-liver-cancer-cell-lines
#3
Martina Berardocco, Annalisa Radeghieri, Sara Busatto, Marialucia Gallorini, Chiara Raggi, Clarissa Gissi, Igea D'Agnano, Paolo Bergese, Armando Felsani, Anna C Berardi
Liver cancer (LC) is one of the most common cancers and represents the third highest cause of cancer-related deaths worldwide. Extracellular vesicle (EVs) cargoes, which are selectively enriched in RNA, offer great promise for the diagnosis, prognosis and treatment of LC. Our study analyzed the RNA cargoes of EVs derived from 4 liver-cancer cell lines: HuH7, Hep3B, HepG2 (hepato-cellular carcinoma) and HuH6 (hepatoblastoma), generating two different sets of sequencing libraries for each. One library was size-selected for small RNAs and the other targeted the whole transcriptome...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29117360/racial-and-ethnic-disparities-in-the-incidence-of-pediatric-extracranial-embryonal-tumors
#4
Paola Friedrich, Elena Itriago, Carlos Rodriguez-Galindo, Karina Ribeiro
Background: Few studies have comparatively assessed differences in the incidence of childhood cancer by race and ethnicity that could inform etiologic research. We aimed to identify disparities in the incidence of pediatric extracranial embryonal tumors by race and ethnicity in the United States using a population-based cancer registry. Methods: Cases of extracranial embryonal tumors among children age 0 to 19 years diagnosed between 2000 and 2010 were retrieved from the Surveillance, Epidemiology, and End Results Program 18 (n = 8188)...
October 1, 2017: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/29113206/nuclear-paraspeckle-assembly-transcript-1-promotes-the-metastasis-and-epithelial-mesenchymal-transition-of-hepatoblastoma-cells-by-inhibiting-mir-129-5p
#5
Ming-Cui Fu, Li-Qun Yuan, Ting Zhang, Xiang-Ming Yan, Yun Zhou, Hong-Liang Xia, Yi Wu, Li-Xiao Xu, Xu Cao, Jian Wang
The abnormal expression of nuclear paraspeckle assembly transcript 1 (NEAT1) may serve critical functions for the development and progression of various types of human tumor. However, the expression and biological function of NEAT1 in hepatoblastoma (HB) and the underlying mechanisms for the function of NEAT1 in HB remain largely uncharacterized. In the present study, the results of reverse transcription-quantitative polymerase chain reaction revealed that the expression of NEAT1 was significantly elevated in HB tissues...
November 2017: Oncology Letters
https://www.readbyqxmd.com/read/29109530/a-clinical-scale-bioartificial-liver-developed-for-gmp-improved-clinical-parameters-of-liver-function-in-porcine-liver-failure
#6
Clare Selden, James Bundy, Eloy Erro, Eva Puschmann, Malcolm Miller, Delawir Kahn, Humphrey Hodgson, Barry Fuller, Jordi Gonzalez-Molina, Aurelie Le Lay, Stephanie Gibbons, Sherri Chalmers, Sunil Modi, Amy Thomas, Peter Kilbride, Agnes Isaacs, Richard Ginsburg, Helen Ilsley, David Thomson, Galya Chinnery, Ncedile Mankahla, Lizel Loo, C Wendy Spearman
Liver failure, whether arising directly from acute liver failure or from decompensated chronic liver disease is an increasing problem worldwide and results in many deaths. In the UK only 10% of individuals requiring a liver transplant receive one. Thus the need for alternative treatments is paramount. A BioArtificial Liver machine could temporarily replace the functions of the liver, buying time for the patient's liver to repair and regenerate. We have designed, implemented and tested a clinical-scale BioArtificial Liver machine containing a biomass derived from a hepatoblastoma cell-line cultured as three dimensional organoids, using a fluidised bed bioreactor, together with single-use bioprocessing equipment, with complete control of nutrient provision with feedback BioXpert recipe processes, and yielding good phenotypic liver functions...
November 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29108844/liver-transplantation-for-primary-hepatic-malignancies-of-childhood-the-unos-experience
#7
Emma C Hamilton, Julius Balogh, Duc T Nguyen, Edward A Graviss, Andras A Heczey, Mary T Austin
BACKGROUND/PURPOSE: The purpose of this study was to determine factors associated with patient and graft survival following orthotopic liver transplantation (OLT) in children and adolescents with primary hepatic malignancies. METHODS: The United Network for Organ Sharing (UNOS) database was queried for all patients <18years old who received an OLT with a primary malignant liver tumor between 1987 and 2012 (n=544). Five-year patient and graft survival were determined using Kaplan-Meier methodology, and independent predictors of survival were determined using multivariate Cox proportional hazards model...
October 12, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/29106578/cancer-risk-in-children-born-after-donor-art
#8
C L Williams, K J Bunch, M F G Murphy, C A Stiller, B J Botting, W H Wallace, M C Davies, A G Sutcliffe
STUDY QUESTION: Do children born after donor ART have an increased risk of developing childhood cancer in comparison to the general population? SUMMARY ANSWER: This study showed no overall increased risk of childhood cancer in individuals born after donor ART. WHAT IS KNOWN ALREADY: Most large population-based studies have shown no increase in overall childhood cancer incidence after non-donor ART; however, other studies have suggested small increased risks in specific cancer types, including haematological cancers...
November 2, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29100993/hepatitis-c-virus-induced-natural-killer-cell-proliferation-involves-monocyte-derived-cells-and-the-ox40-ox40l-axis
#9
Julia Pollmann, Jana-Julia Götz, Daniel Rupp, Otto Strauss, Markus Granzin, Oliver Grünvogel, Pascal Mutz, Catharina Kramer, Felix Lasitschka, Volker Lohmann, Niklas K Björkström, Robert Thimme, Ralf Bartenschlager, Adelheid Cerwenka
BACKGROUND AND AIMS: Natural killer (NK) cells are found at increased frequencies in hepatitis C virus (HCV)-infected patients. NK cell activation was shown to correlate with HCV clearance and to predict favourable treatment response. The aim of our study was to dissect mechanisms leading to NK cell activation and proliferation in response to HCV. METHODS: NK cell phenotype, proliferation, and function were assessed after six-day co-culture of human peripheral blood mononuclear cells (PBMCs) with HCV-replicon containing Huh6 hepatoblastoma cells or HCV-infected Huh7...
October 31, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/29091324/lncrna-expression-profiles-in-hbv-transformed-human-hepatocellular-carcinoma-cells-treated-with-a-novel-inhibitor-of-human-la-protein
#10
Jiaqian Pan, Shuangmei Tong, Jing Tang
We previously identified a novel inhibitor of La protein, H11, which inhibited hepatitis B virus (HBV) replication by inhibiting the interaction between La protein and HBV RNA. However, the other cellular factors involved in this process remain unclear. To investigate the mechanism of H11-mediated inhibition of HBV infection, a lncRNA microarray analysis was performed using H11-treated and untreated stable HBV-expressing human hepatoblastoma HepG2.2.15 cells. The profiles of differentially expressed lncRNAs and mRNAs were generated and analyzed using Gene Ontology (GO) and pathway analyses...
November 1, 2017: Journal of Viral Hepatitis
https://www.readbyqxmd.com/read/29079173/general-paucity-of-genomic-alteration-and-low-tumor-mutation-burden-in-refractory-and-metastatic-hepatoblastoma-comprehensive-genomic-profiling-study
#11
Hwajeong Lee, Tony El Jabbour, Sanaz Ainechi, Laurie M Gay, Julia A Elvin, Jo-Anne Vergilio, James Suh, Shakti H Ramkissoon, Siraj M Ali, Alexa Schrock, David Fabrizio, Garrett Frampton, Tipu Nazeer, Vincent A Miller, Philip J Stephens, Jeffrey S Ross
Hepatoblastoma (HBL) is hepatic malignancy of infants and young children which is often cured by combinations of surgery and chemotherapy. Management of refractory and metastatic HBL is challenging. Comprehensive genomic profiling was performed on 31 refractory and metastatic HBL using a hybrid-capture, adaptor ligation based next generation sequencing assay. Tumor mutation burden (TMB) was calculated from a minimum of 1.11Mb of sequenced DNA and reported as mutations/Mb. The results were analyzed for all classes of genomic alterations (GA)...
October 24, 2017: Human Pathology
https://www.readbyqxmd.com/read/29049837/clinical-application-of-projection-mapping-technology-for-surgical-resection-of-lung-metastasis
#12
Toyofumi F Chen-Yoshikawa, Etsuro Hatano, Atsushi Yoshizawa, Hiroshi Date
Indocyanine green fluorescent image-guided surgery was developed to identify primary and metastatic nodules of various malignancies. However, currently, surgeons need to identify the fluorescent image on a monitor, which impedes surgical procedures. Herein, we developed a novel projection mapping device that can cast the real-time fluorescent image onto the surface of the targeted organ. We performed surgical resection of a lung metastasis of hepatoblastoma using this technique. The projection mapping technique clearly detected the pulmonary lesion, and no other lesions were identified in the ipsilateral thorax...
July 28, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29036606/socioeconomic-status-and-childhood-cancer-incidence-a-population-based-multilevel-analysis
#13
Rebecca D Kehm, Logan G Spector, Jenny N Poynter, David M Vock, Theresa L Osypuk
The etiology of childhood cancers remains largely unknown, especially regarding environmental and behavioral risk factors. Unpacking the association between socioeconomic status (SES) and incidence may offer insight into such etiology. We tested associations between SES and childhood cancer incidence in a population-based case-cohort study (source cohort: Minnesota birth registry, 1989-2014). Cases, 0-14 years, were linked from the Minnesota Cancer Surveillance System to birth records through probabilistic record linkage...
September 27, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28990842/microrna-655-3p-regulates-echinacea-purpurea-mediated-activation-of-abcg2
#14
Charles Awortwe, Meike Kaehler, Bernd Rosenkranz, Ingolf Cascorbi, Henrike Bruckmueller
The aim of this study was to investigate the regulatory effect of Echinacea purpurea (EP) on efflux transporters ABCB1 and ABCG2 and to identify specific microRNAs contributing to their post-transcriptional regulation. ABCB1 and ABCG2 levels were assessed in human hepatoblastoma HepG2 cells treated with 50 µg/mL methanolic extract of commercial EP capsules for different durations of time. The microRNA expression profile of HepG2 cells after EP treatment was evaluated and in silico target prediction was subsequently conducted to identify specific microRNAs with binding sites in the 3'-UTR of ABCB1 and ABCG2...
October 9, 2017: Xenobiotica; the Fate of Foreign Compounds in Biological Systems
https://www.readbyqxmd.com/read/28966010/rhabdoid-tumor-of-the-liver-report-of-6-pediatric-cases-treated-at-a-single-institute
#15
Marianna Cornet, Guénolée De Lambert, Danièle Pariente, Julien Masliah Planchon, Catherine Guettier, Hélène Martelli, Florent Guérin, Sophie Branchereau
BACKGROUND: Rhabdoid tumors (RTs) of the liver are rare, aggressive and nonsecreting malignancies occurring mainly during the first year of life. Definition of RT relies on characteristic morphology and on the inactivation of the SMARCB1 tumor suppressor gene. The aim of this study was to analyze clinical data, treatments and outcomes in our patients. PATIENTS AND METHODS: 6 cases of patients treated in our institution for RT of the liver between January 2007 and January 2015 are reported...
September 14, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28964793/oncogenic-determination-of-a-broad-spectrum-of-phenotypes-of-hepatocyte-derived-mouse-liver-tumors
#16
Masahiro Yamamoto, Bing Xin, Kenji Watanabe, Takako Ooshio, Kiyonaga Fujii, Xi Chen, Yoko Okada, Hiroaki Abe, Yoshimitsu Taguchi, Naoyuki Miyokawa, Hiroyuki Furukawa, Yuji Nishikawa
Activation of the phosphoinositide 3-kinase-AKT, Yes-associated protein (YAP), and MYC pathways is involved in human liver cancers, including hepatocellular carcinoma (HCC) and cholangiocarcinoma (CC). However, the nature of the interactions among these pathways has remained poorly understood. Herein, we demonstrate the coordination of these pathways during the formation of mouse liver tumors induced by hepatocyte-specific somatic integration of myristoylated AKT, mutant YAP, Myc, or their combinations. Although the introduction of YAP or Myc alone was inefficient in inducing tumors, these proteins accelerated tumorigenesis induced by AKT...
September 28, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28963691/surgical-resection-for-hepatoblastoma-updated-survival-outcomes
#17
Bhanu Jayanand Sunil, Ravisankar Palaniappan, Balasubramanian Venkitaraman, Rama Ranganathan
BACKGROUND: Hepatoblastoma is the most common liver malignancy in the pediatric age group. The management of hepatoblastoma involves multidisciplinary approach. METHODS: Patients with hepatoblastoma who underwent liver resection between 2000 and 2013 were analyzed and survival outcomes were studied. RESULTS: The crude incidence rate of hepatoblastoma at the Madras Metropolitan Tumor Registry (MMTR) is 0.4/1,00,000 population per year. Twelve patients underwent liver resection for hepatoblastoma during the study period; this included eight males and four females...
September 30, 2017: Journal of Gastrointestinal Cancer
https://www.readbyqxmd.com/read/28943139/diagnostic-utility-of-core-needle-biopsy-versus-open-wedge-biopsy-for-pediatric-intraabdominal-solid-tumors-results-of-a-prospective-clinical-study
#18
Scott Deeney, Camille Stewart, Amanda L Treece, Jennifer O Black, Mark A Lovell, Timothy Garrington, Frederick Karrer, Jennifer Bruny
PURPOSE: The best method for diagnosing pediatric nonnephroblastoma solid intraabdominal tumors is unknown. We hypothesized that core needle biopsy (CNB) is noninferior to open wedge biopsy (OWB) for pathologic diagnosis. METHODS: We prospectively enrolled children aged 1day to 17years with radiographic evidence of nonnephroblastoma solid intraabdominal tumors scheduled for OWB from 5/2013 to 12/2015 at a single institution. Four 16-gauge CNBs were obtained, followed by OWB...
September 4, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28927977/the-role-of-pulmonary-metastasectomy-for-hepatoblastoma-in-children-with-metastasis-at-diagnosis-results-from-the-jplt-2-study
#19
Tomoro Hishiki, Kenichiro Watanabe, Kohmei Ida, Ken Hoshino, Tomoko Iehara, Yuki Aoki, Takuro Kazama, Kentaro Kihira, Yuichi Takama, Tomoaki Taguchi, Junya Fujimura, Shohei Honda, Kimikazu Matsumoto, Makiko Mori, Michihiro Yano, Akiko Yokoi, Yukichi Tanaka, Hiroshi Fuji, Osamu Miyazaki, Kenichi Yoshimura, Tetsuya Takimoto, Eiso Hiyama
BACKGROUND/PURPOSE: The purpose of this study was to clarify the role of pulmonary metastasectomy in hepatoblastomas with lung metastasis at diagnosis. We reviewed cases enrolled in the JPLT-2 study. METHODS: A total of 360 cases with hepatoblastoma were enrolled. The clinical courses and outcome of 60 cases with pulmonary metastasis at diagnosis were reviewed, focusing on metastasectomy. RESULTS: Induction chemotherapy resulted in eradication of nodules in 26, residual nodules in 33, and early treatment-related death in one...
September 4, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28923827/mutant-ctnnb1-and-histological-heterogeneity-define-metabolic-subtypes-of-hepatoblastoma
#20
Stefania Crippa, Pierre-Benoit Ancey, Jessica Vazquez, Paolo Angelino, Anne-Laure Rougemont, Catherine Guettier, Vincent Zoete, Mauro Delorenzi, Olivier Michielin, Etienne Meylan
Hepatoblastoma is the most common malignant pediatric liver cancer. Histological evaluation of tumor biopsies is used to distinguish among the different subtypes of hepatoblastoma, with fetal and embryonal representing the two main epithelial components. With frequent CTNNB1 mutations, hepatoblastoma is a Wnt/β-catenin-driven malignancy. Considering that Wnt activation has been associated with tumor metabolic reprogramming, we characterized the metabolic profile of cells from hepatoblastoma and compared it to cells from hepatocellular carcinoma...
November 2017: EMBO Molecular Medicine
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