Establishment of a new human epithelioid sarcoma cell line, FU-EPS-1: Molecular cytogenetic characterization by use of spectral karyotyping and comparative genomic hybridization

Jun Nishio, Hiroshi Iwasaki, Kazuki Nabeshima, Masako Ishiguro, Sabine Naumann, Teruto Isayama, Masatoshi Naito, Yasuhiko Kaneko, Masahiro Kikuchi, Julia A. Bridge

Research output: Contribution to journalArticle

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Abstract

A small number of human epithelioid sarcoma cell lines have been reported, but their characterization at a molecular cytogenetic level is not well known. In this study, a new permanent human cell line. FU-EPS-1, derived from a metastatic epithelioid sarcoma developing in the axillary lymph node of a 21-year-old man is described. This cell line was characterized by use of immunocytochemistry, conventional G-banding analysis, spectral karyotyping (SKY) and comparative genomic hybridization (CGH). FU-EPS-1 cells were round, polygonal or spindle shaped with an abundant cytoplasm, and have been maintained continuously in vitro for over 100 passages during more than 15 months. Histologic features of the heterotransplanted tumors in severe combined immunodeficiency mice were essentially the same as those of the original tumor, revealing a multinodular proliferation of eosinophilic epithelioid and spindle cells. Both in vitro and in vivo. the cells were immunopositive for cytokeratins (AE1/AE3 and CAM5.2), epithelial membrane antigen, vimentin and CD34, but were negative for desmin, S-100 protein, CD31 or factor VIII-relaied antigen. By G-banding and SKY analyses, FU-EPS-1 revealed a hyperdiploid karyotype with the following chromosomal abnormalities: +i(5)(pl0), -8, +13, der(13)t(8; 13)(q?;p 11), +der(19)t(9; 19)(?;?) and del(22)(ql3). In addition. CGH analysis identified gains of 5p, 9q, 19q and 22q and a loss of 8p. This study demonstrates the value of molecular cytogenetic techniques such as SKY and CGH in defining genomic alterations in greater detail. The FU-EPS-1 cell line will be exceedingly useful for biologic and molecular pathogenetic studies of human epithelioid sarcoma.

Original languageEnglish (US)
Pages (from-to)361-369
Number of pages9
JournalInternational journal of oncology
Volume27
Issue number2
StatePublished - Aug 1 2005

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Spectral Karyotyping
Epithelioid Cells
Comparative Genomic Hybridization
Cytogenetics
Sarcoma
Cell Line
Severe Combined Immunodeficiency
Mucin-1
Polyploidy
Desmin
S100 Proteins
Cytogenetic Analysis
Factor VIII
Vimentin
Keratins
Karyotype
Heterografts
Chromosome Aberrations
Neoplasms
Cytoplasm

Keywords

  • Comparative genomic hybridization
  • Epithelioid sarcoma cell line
  • Molecular cytogenetics
  • Spectral karyotyping

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

Cite this

Establishment of a new human epithelioid sarcoma cell line, FU-EPS-1 : Molecular cytogenetic characterization by use of spectral karyotyping and comparative genomic hybridization. / Nishio, Jun; Iwasaki, Hiroshi; Nabeshima, Kazuki; Ishiguro, Masako; Naumann, Sabine; Isayama, Teruto; Naito, Masatoshi; Kaneko, Yasuhiko; Kikuchi, Masahiro; Bridge, Julia A.

In: International journal of oncology, Vol. 27, No. 2, 01.08.2005, p. 361-369.

Research output: Contribution to journalArticle

Nishio, J, Iwasaki, H, Nabeshima, K, Ishiguro, M, Naumann, S, Isayama, T, Naito, M, Kaneko, Y, Kikuchi, M & Bridge, JA 2005, 'Establishment of a new human epithelioid sarcoma cell line, FU-EPS-1: Molecular cytogenetic characterization by use of spectral karyotyping and comparative genomic hybridization', International journal of oncology, vol. 27, no. 2, pp. 361-369.
Nishio, Jun ; Iwasaki, Hiroshi ; Nabeshima, Kazuki ; Ishiguro, Masako ; Naumann, Sabine ; Isayama, Teruto ; Naito, Masatoshi ; Kaneko, Yasuhiko ; Kikuchi, Masahiro ; Bridge, Julia A. / Establishment of a new human epithelioid sarcoma cell line, FU-EPS-1 : Molecular cytogenetic characterization by use of spectral karyotyping and comparative genomic hybridization. In: International journal of oncology. 2005 ; Vol. 27, No. 2. pp. 361-369.
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abstract = "A small number of human epithelioid sarcoma cell lines have been reported, but their characterization at a molecular cytogenetic level is not well known. In this study, a new permanent human cell line. FU-EPS-1, derived from a metastatic epithelioid sarcoma developing in the axillary lymph node of a 21-year-old man is described. This cell line was characterized by use of immunocytochemistry, conventional G-banding analysis, spectral karyotyping (SKY) and comparative genomic hybridization (CGH). FU-EPS-1 cells were round, polygonal or spindle shaped with an abundant cytoplasm, and have been maintained continuously in vitro for over 100 passages during more than 15 months. Histologic features of the heterotransplanted tumors in severe combined immunodeficiency mice were essentially the same as those of the original tumor, revealing a multinodular proliferation of eosinophilic epithelioid and spindle cells. Both in vitro and in vivo. the cells were immunopositive for cytokeratins (AE1/AE3 and CAM5.2), epithelial membrane antigen, vimentin and CD34, but were negative for desmin, S-100 protein, CD31 or factor VIII-relaied antigen. By G-banding and SKY analyses, FU-EPS-1 revealed a hyperdiploid karyotype with the following chromosomal abnormalities: +i(5)(pl0), -8, +13, der(13)t(8; 13)(q?;p 11), +der(19)t(9; 19)(?;?) and del(22)(ql3). In addition. CGH analysis identified gains of 5p, 9q, 19q and 22q and a loss of 8p. This study demonstrates the value of molecular cytogenetic techniques such as SKY and CGH in defining genomic alterations in greater detail. The FU-EPS-1 cell line will be exceedingly useful for biologic and molecular pathogenetic studies of human epithelioid sarcoma.",
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AU - Isayama, Teruto

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