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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/26665
Title: The analysis of peri-tumor necrosis following the subcutaneous implantation of autologous tumor cells transfected with an episome transcribing an antisense insulin-like growth factor 1 RNA in a glioblastoma multiforme subject
Authors: Adisak Wongkajornsilp
Mongkol Ouyprasertkul
Tumtip Sangruchi
Sukit Huabprasert
Yuexin Pan
Nantasak Tisavipat
Voravut Chanyavanich
Supatra Sangruchi
Karuna Chomsamut
Donald D. Anthony
Mahidol University
Case Western Reserve University
Keywords: Medicine
Issue Date: 1-Dec-2001
Citation: Journal of the Medical Association of Thailand. Vol.84, No.SUPPL. 3 (2001)
Abstract: A subject inflicted with glioblastoma multiforme who received partial tumor resection and radiotherapy was recruited for an ex vivo gene therapy protocol using irradiated autologous tumor cells that had been engineered to suppress the expression of insulin-like growth factor I as the tumor vaccine. After subcutaneous injection for 8 weeks, the subject developed peri-tumor necrosis with mass effect. The authors wondered whether this event could have resulted from the tumor vaccine. The tissue section bordering the necrotic tumor tissue to the viable normal tissue was examined for nature of any infiltrated cells and their activities. Lymphocytes, macrophages, and a small number of neutrophils diffused into the necrotic tumor tissue were found. The infiltrated lymphocytes consisted of both CD4+ and CD8+ T cells. The functional activity of these lymphocytes was demonstrated by the active production of interferon γ and tumor necrosis factor α based on the respective immunofluorescent staining localized to these cells. This finding is compatible with the proposed mechanism underlying the tumor vaccination. However, the contribution of radiation treatment to this event cannot be clearly ruled out.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=0346205180&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/26665
ISSN: 01252208
Appears in Collections:Scopus 2001-2005

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