Immunological profiling of a panel of human ovarian cancer cell lines.

Immunological profiling of a panel of human ovarian cancer cell lines. Research Abstract Details 

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Immunological profiling of a panel of human ovarian cancer cell lines. Abstract Text:

Tiffany M Carr,Sara J Adair, Fink,Kevin T Hogan,Tiffany M Carr,Sara J Adair,Mitsú J Fink,Kevin T Hogan,

PURPOSE: The efficient identification of peptide antigens recognized by ovarian cancer-specific cytotoxic T lymphocytes (CTL) requires the use of well-characterized ovarian cancer cell lines. To develop such a panel of cell lines, 11 ovarian cancer cell lines were characterized for the expression of class I and class II major histocompatibility complex (MHC)-encoded molecules, 15 tumor antigens, and immunosuppressive cytokines [transforming growth factor beta (TGF-beta) and IL-10]. METHODS: Class I MHC gene expression was determined by polymerase chain reaction (PCR), and class I and class II MHC protein expression was determined by flow cytometry. Tumor antigen expression was determined by a combination of polymerase chain reaction (PCR) and flow cytometry. Cytokine expression was determined by ELISA. RESULTS: Each of the ovarian cancer cell lines expresses cytokeratins, although each cell line does not express the same cytokeratins. One of the lines expresses CD90, which is associated with a fibroblast lineage. Each of the cell lines expresses low to moderate amounts of class I MHC molecules, and several of them express low to moderate amounts of class II MHC molecules. Using a combination of PCR and flow cytometry, it was determined that each cell line expressed between six and thirteen of fifteen antigens tested. Little to no TGF-beta3 was produced by any of the cell lines, TGF-beta1 was produced by three of the cell lines, TGF-beta2 was produced by all of the cell lines, with four of the cell lines producing large amounts of the latent form of the molecule, and IL-10 was produced by one of the cell lines. CONCLUSIONS: Each of the 11 ovarian cancer lines is characterized by a unique expression pattern of epithelial/fibroblast markers, MHC molecules, tumor antigens, and immunosuppressive cytokines. Knowledge of these unique expression patterns will increase the usefulness of these cell lines in identifying the antigens recognized by ovarian cancer-specific CTL.

Immunological profiling of a panel of human ovarian cancer cell lines. Publishing Authors By Initials

TM Carr,SJ Adair,MJ Fink,KT Hogan,TM Carr,SJ Adair,MJ Fink,KT Hogan,

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Immunological profiling of a panel of human ovarian cancer cell lines. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Cancer immunology, immunotherapy : CII

VOLUME: 57

Page Numbers: 31-42

Journal Abbreviation: Cancer Immunol. Immunother.

ISSN: 0340-7004

DAY: 20

MONTH: 06

YEAR: 2007

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LANGUAGE: eng

NlmUniqueID: 8605732

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Grant and Affiliation Information for Immunological profiling of a panel of human ovarian cancer cell lines.

AFFILIATION: Department of Surgery and the Human Immune Therapy Center, University of Virginia, Box 801359, Charlottesville, VA, 22908, USA, kh6s@virginia.edu.

Country: Germany

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MEDLINETA: Cancer Immunol Immunother

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