Del 25 - Experimental Biology and Medicine

Neoplastic Transformation in Human Cell Culture

Mechanisms of Carcinogenesis

Häftad, Engelska, 2012

Av Johng S. Rhim, Anatoly Dritschilo

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The role of carcinogenic agents in the deveolopment of human cancers is now being defined using a variety of human cells as experi mental model systems. A workshop on "neoplastic transformation in human cell systems in vitro: mechanisms of carcinogenesis" was held at the Georgetown University Medical Center, Washington, DC, on April 25-26, 1991. The aims of the workshop were to present the state-of-the art in the transformation of human cells in culture, as well as to provide insight into the molecular and cellular changes involved in the conver sion of normal cells to a neoplastic state of growth. The following topics were closely related to the theme of the workshops: 1. Derivation of in vitro model systems (epithelial, fibroblastic, and hematopoietic). 2. Factors modulating cellular transformation. 3. Usefulness of defined in vitro model systems for viral, chemical, and radiation carcinogenesis. 4. Multistep nature of human cell carcinogenesis. 5. Role of activated and suppressor oncogenes in neoplastic trans formation. The workshop was organized by J. S. Rhim and A. Dritschilo (cochairmen), G. Jay, J. little, M. McCormick, R Tennant, and R R Weischelbaum. There were 32 speakers, 30 poster presentations, and about 190 participants.

Produktinformation

Utgivningsdatum2012-10-13
Mått155 x 235 x 24 mm
Vikt651 g
FormatHäftad
SpråkEngelska
SerieExperimental Biology and Medicine
Antal sidor396
Upplaga1991
FörlagHumana Press Inc.
ISBN9781461267508

Tillhör följande kategorier

Onkologi inom Medicin
Cellbiologi inom Naturvetenskap och teknik
Patologi inom Medicin

I. Preneoplastic Events.- Comparison of human versus rodent cell transformation: importance of cell aging.- Deficient DNA repair, an early step in neoplastic transformation of human cells in culture.- Use of immortalized human keratinocytes for the study of squamous differentiation and mutagenesis.- Studies of mutagen-activated genes which confer anchorage-independence: the c-sis gene as a model.- Cytoskeletal changes in human transformed cells: Studies on HOS cells.- Polyamine metabolism in human epidermal keratinocytes transformed with AD12-SV40, HPV16-DNA, and K-ras oncogene.- II. Radiation Transformation and Oncogenes.- Transformation of human diploid fibroblasts by radiation and oncogenes.- Ionizing radiation-mediated protein kinase C activation and gene expression.- Detection of transforming genes from radiation transformed human epidermal keratinocytes by a tumorigenicity assay.- Neoplastic transformation of human epithelial cells by ionizing radiation.- Effects of ionizing radiation on human papillomavirus immortalized human bronchial epithelial cells.- Biochemical purification of a CSF-1 like molecule released during malignant transformation of IL-3 dependent hematopoietic progenitor cell lines cocultivated with gamma irradiated clonal marrow stromal cell lines.- An inherited p53 point mutation in a cancer prone family with Li-Fraumeni syndrome.- p53, a direct target of mutational activation by chemical carcinogens?.- III. Viral Transformation and Oncogenes.- The HIV tat gene induces epidermal hyperplasia in vivo and transforms keratinocytes in vitro.- Immortalization and tumorigenic transformation of normal human cervical epithelial cells transfected with human papillomavirus DNAs.- Using the papillomavirus E6/E7 genes to generate well-differentiated epithelial cell lines.- Tumor progression in breast cancer.- Growth regulation of HPV-positive keratinocytes by TGF-01.- Cell growth transformation by Epstein Barr virus.- Isolation and characterization of a transformation-associated gene from human nasopharyngeal carcinoma cells.- Molecular pathogenesis of lung cancer: Mutations in dominant and recessive oncogenes and the expression of opioid and nicotine receptors in the pathogenesis of lung cancer.- Molecular control of expression of plasticity of tumorigenic/ metastatic phenotypes.- IV. Multistep Models.- Altered regulation of growth and differentiation at different stages of transformation of human skin keratinocytes.- Neoplastic transformation and suppression of transformation of human bronchial epithelial cells in vitro.- An in vitro human mammary epithelial model system for studies of differentiation and carcinogenesis.- Transformation in vitro of human uroepithelial cells.- Multiple steps in the in vitro immortalization and neoplastic conversion of human colonic epithelial cells.- A human renal epithelial multistep model of in vitro carcino-genesis.- Immortalization and oncogene transformation of human esopha-geal epithelial cells.- A nontumorigenic human liver epithelial cell culture model for chemical and biological carcinogenesis investigations.- Establishment and characterization of SV40 T-antigen immortal-ized human liver cells.- Transformation of human tracheal gland epithelial cells in vitro.- Stable expression of SV40 large T-antigen gene in primary human Schwann cells.- Malignant transformation of human fibroblasts in vitro.- Mitogen-independence and autocrine growth factor secretion displayed by human mesothelioma cells and oncogene-transfected mesothelial cells.- Structure and growth regulation in normal, Transformed and malignant human endometrial cell cultures.- Construction of a unidirectional cDNA library from a radio-resistant laryngeal squamous cell carcinoma cell line in an Epstein Barr virus shuttle vector.- Contributors.- Registrants.