Volume 58, Issue 1 pp. 116-122
Experimental Cancer
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Transfection of glioma cells with the neural-cell adhesion molecule NCAM: Effect on glioma-cell invasion and growth in vivo

Klaus Edvardsen

Corresponding Author

Klaus Edvardsen

Research Center for Medical Biotechnology, Protein Laboratory, University of Copenhagen, Panum Institute, DK-2200 Copenhagen, Denmark

Research Center for Medical Biotechnology, Protein Laboratory, University of Copenhagen, Panum Institute, DK-2200 Copenhagen, DenmarkSearch for more papers by this author
Paal-Henning Pedersen

Paal-Henning Pedersen

The Gade Institute, Department of Pathology, University of Bergen, N-5021 Haukeland Hospital, Bergen, Norway

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Rolf Bjerkvig

Rolf Bjerkvig

The Gade Institute, Department of Pathology, University of Bergen, N-5021 Haukeland Hospital, Bergen, Norway

Department of Anatomy and Cell Biology, University of Bergen, Bergen, Norway

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Gregers G. Hermann

Gregers G. Hermann

Department of Tumor Cell Biology, Danish Cancer Society, Strandboulevarden 49, DK-2100 Copenhagen, Denmark

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Jesper Zeuthen

Jesper Zeuthen

Department of Tumor Cell Biology, Danish Cancer Society, Strandboulevarden 49, DK-2100 Copenhagen, Denmark

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Ole Didrik Laerum

Ole Didrik Laerum

The Gade Institute, Department of Pathology, University of Bergen, N-5021 Haukeland Hospital, Bergen, Norway

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Frank S. Waish

Frank S. Waish

Department of Experimental Pathology, UMDS, Guy's Hospital, London Bridge, London SE1 9RT, UK

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Elisabeth Bock

Elisabeth Bock

Research Center for Medical Biotechnology, Protein Laboratory, University of Copenhagen, Panum Institute, DK-2200 Copenhagen, Denmark

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First published: 1 July 1994
Citations: 67

Abstract

The tumor growth and the invasive capacity of a rat glioma cell line (BT4Cn) were studied after transfection with the human transmembrane 140-kDa isoform of the neural-cell adhesion molecule, NCAM. After s.c. injection, the NCAM-transfected cells showed a slower growth rate than the parent cell line (BT4Cn). Upon intracerebral implantation with BT4Cn cells and different clones of NCAM-transfected cells, all animals developed neurological symptoms within 13-16 days. However, the tumors showed different growth characteristics. The NCAM-transfected BT4Cn cells were localized in the region of the injection site, with a sharply demarcated border between the tumor and brain tissue. In contrast, the parental cell line showed single-cell infiltration and more pronounced destruction of normal brain tissue. Using a 51Cr-release assay, spleen cells from rats transplanted with BT4Cn tumor cells generally showed a lower cytotoxic response than the spleen cells from rats transplanted with the transfected variants of BT4Cn cells, indicating that the transfection procedure in itself mediated an activation of the immune system. The present data suggest that NCAM may influence the malignant behavior of rat glioma cells in vivo. © 1994 Wiley-Liss, Inc.

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