Research Topics
| M FeitelsonSummaryAffiliation: Thomas Jefferson University Country: USA Publications
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Detail Information
Publications
Genetic mechanisms of hepatocarcinogenesisMark A Feitelson
Department of Pathology, Anatomy and Cell Biology, Thomas Jefferson University, 1020 Locust Street, Philadelphia, PA 19107, USA
Oncogene 21:2593-604. 2002..An understanding of the molecular pathogenesis of HCC may provide new markers for tumor staging, for assessment of the relative risk of tumor formation, and open new opportunities for therapeutic intervention...
Hepatitis B virus X protein mutants exhibit distinct biological activities in hepatoma Huh7 cellsXiaohong Liu
Department of Pathology, Changhai Hospital, Second Military Medical University, 174 Changhai Road, Shanghai 200433, PR China
Biochem Biophys Res Commun 373:643-7. 2008..In conclusions, HBx variants showed different effects and functions on cell proliferation and invasion by regulation of the cell cycle progression and its associated proteins expression...
Mutations in the C-terminus of the X protein of hepatitis B virus regulate Wnt-5a expression in hepatoma Huh7 cells: cDNA microarray and proteomic analysesXiaohong Liu
Department of Pathology, Changhai Hospital, Second Military Medical University, 174 Changhai Road, Shanghai 200433, People s Republic of China
Carcinogenesis 29:1207-14. 2008..The hepatitis B virus x gene (HBx) is a promiscuous transactivator implicated in the development of hepatocellular carcinoma (HCC). The present study was designed to investigate the molecular events regulated by HBx...
The hepatitis B x antigen effector, URG7, blocks tumour necrosis factor alpha-mediated apoptosis by activation of phosphoinositol 3-kinase and beta-cateninJingbo Pan
Department of Pathology, Anatomy and Cell Biology, Thomas Jefferson University, Philadelphia, PA, USA
J Gen Virol 88:3275-85. 2007..This suggests that URG7 helps to protect virus-infected hepatocytes during chronic hepatitis B virus infection...
Hepatitis B x antigen up-regulates vascular endothelial growth factor receptor 3 in hepatocarcinogenesisZhaorui Lian
Department of Pathology, Anatomy and Cell Biology, Thomas Jefferson University, 1020 Locust Street, Philadelphia, PA 19107, USA
Hepatology 45:1390-9. 2007..In conclusion, HBxAg may short circuit VEGFR-3(S) signaling in liver cancer. Blocking VEGFR-3(S) signaling may be effective in preventing tumor development and/or prolonging survival in tumor bearing patients...
Chronic hepatitis C virus infection and the pathogenesis of hepatocellular carcinomaM Feitelson
Department of Pathology, Anatomy and Cell Biology, Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA 19107, USA
Arch Immunol Ther Exp (Warsz) 49:S65-74. 2001....
Early molecular and genetic determinants of primary liver malignancyMark A Feitelson
Department of Pathology, Anatomy, and Cell Biology, Thomas Jefferson University, 1020 Locust Street, Philadelphia, PA 19107, USA
Surg Clin North Am 84:339-54. 2004..Together, these approaches will go far in reducing the very high morbidity and mortality associated with HCC...
Enhanced cell survival of Hep3B cells by the hepatitis B x antigen effector, URG11, is associated with upregulation of beta-cateninZhaorui Lian
Department of Pathology, Anatomy and Cell Biology, Thomas Jefferson University, Philadelphia, PA 19107, USA
Hepatology 43:415-24. 2006..These observations also suggest that URG11 may be a regulatory element in the beta-catenin signaling pathway and may be a target for chemoprevention of HCC...
Parallel epigenetic and genetic changes in the pathogenesis of hepatitis virus-associated hepatocellular carcinomaMark A Feitelson
Department of Pathology, Anatomy and Cell Biology, Thomas Jefferson University, Room 222 Alumni Hall, 1020 Locust Street, Philadelphia, PA 19107, USA
Cancer Lett 239:10-20. 2006..From the perspective of the virus, this promotes chronic infection, while from the perspective of the host, this promotes tumorigenesis...
Pharmacotherapy of chronic viral hepatitis and hepatocellular carcinomaMark A Feitelson
Temple University, Department of Biology, College of Science and Technology, Suite 409, BioLife Science Building, 1900 North 12th Street, Philadelphia, PA 19122, USA
Expert Opin Pharmacother 9:2233-45. 2008..However, they are too expensive, not well tolerated, and result in the development of resistance when given as mono or salvage therapies. In addition, most of these drugs target only the virus polymerase...
Preneoplastic markers of hepatitis B virus-associated hepatocellular carcinomaHie-Won L Hann
Department of Medicine, Division of Gastroenterology and Hepatology, Jefferson Medical College, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania, USA
Cancer Res 64:7329-35. 2004..Hence, these antibodies may serve as preneoplastic markers for HCC in HBV carriers with chronic liver disease, and may be identified by a simple blood test...
Human S15a expression is upregulated by hepatitis B virus X proteinZhaorui Lian
Department of Pathology, Anatomy, and Cell Biology, Thomas Jefferson University, Philadelphia, Pennsylvania 19107 6749, USA
Mol Carcinog 40:34-46. 2004..Hence, HBxAg upregulated the expression of S15a, the latter of which participates in the development of HCC, perhaps by altering the integrity of translation...
Hepatitis Bx antigen stimulates expression of a novel cellular gene, URG4, that promotes hepatocellular growth and survivalN Lale Satiroglu Tufan
Department of Pathology, Anatomy, and Cell Biology, Thomas Jefferson University, 1020 Locust Street, Philadelphia, PA 19107 6799, USA
Neoplasia 4:355-68. 2002..Hence, URG4 may be a natural effector of HBxAg that contributes importantly to multistep hepatocarcinogenesis...
Upregulated expression of a unique gene by hepatitis B x antigen promotes hepatocellular growth and tumorigenesisZhaorui Lian
Department of Pathology, Anatomy, and Cell Biology, Thomas Jefferson University, Philadelphia, PA 19107, USA
Neoplasia 5:229-44. 2003..01), and yielded larger tumors (P < 0.02) in SCID mice injected subcutaneously with HepG2 cells. These data suggest that URG11 is a natural effector of HB x Ag that may promote the development of hepatocellular carcinoma...
Hepatitis B virus transgenic severe combined immunodeficient mouse model of acute and chronic liver diseaseMark A Feitelson
Department of Pathology, Anatomy and Cell Biology, Thomas Jefferson University, Philadelphia, PA, USA
Methods Mol Med 96:269-87. 2004
Development of a novel mouse model to evaluate drug candidates against hepatitis B virusMark A Feitelson
Department of Pathology, Anatomy and Cell Biology, Thomas Jefferson University, Philadelphia, PA, USA
Antivir Chem Chemother 18:213-23. 2007..This system will be useful for preclinical assessment of small amounts of single or multiple compounds against HBV in vivo...
A translational worldwide perspective for liver cancer - First International MeetingMark A Feitelson
Department of Biology, College of Science and Technology, Temple University, 1900 N 12 Street, Philadelphia, PA 19122, USA
IDrugs 10:630-2. 2007
Hepatitis B virus X antigen promotes transforming growth factor-beta1 (TGF-beta1) activity by up-regulation of TGF-beta1 and down-regulation of alpha2-macroglobulinJingbo Pan
Department of Pathology, Anatomy and Cell Biology, Thomas Jefferson University, Room 222 Alumni Hall, 1020 Locust Street, Philadelphia, PA 19107, USA
J Gen Virol 85:275-82. 2004..Since elevated TGF-beta1 promotes the development of many tumour types, these observations suggest that the HBxAg-mediated alteration in TGF-beta1 and alpha(2)-M production may contribute importantly to the pathogenesis of HCC...
Hepatitis B virus integration, fragile sites, and hepatocarcinogenesisMark A Feitelson
Department of Pathology, Anatomy and Cell Biology, Kimmel Cancer Center, Thomas Jefferson University, 1020 Locust Street, Philadelphia, PA 19107, USA
Cancer Lett 252:157-70. 2007..If so, then selected integration events may alter pathways that are rate limiting in hepatocarcinogenesis, thereby providing targets with diagnostic/prognostic potential and for therapeutic intervention...
Transient inhibition of Th1-type cytokine production by CD4 T cells in hepatitis B core antigen immunized mice is mediated by regulatory T cellsJessica A Chichester
Department of Microbiology and Immunology, Thomas Jefferson University, Philadelphia, PA 19107, USA
Immunology 118:438-48. 2006..This delay by regulatory T cells of Th1-type cytokine production could contribute to viral persistence in chronic HBV infection by interfering with the critical role IFN-gamma plays in protection against viral infections...
HEP DART 2005 -- frontiers in drug development for viral hepatitisMark A Feitelson
Thomas Jefferson University, Department of Pathology, Anatomy and Cell Biology, Room 222 Alumni Hall, 1020 Locust Street, Philadelphia, PA 19107, USA
IDrugs 9:165-7. 2006
c-myc overexpression in hepatocarcinogenesisMark A Feitelson
Hum Pathol 35:1299-302. 2004
