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T-Cell Receptor Repertoire in Tumor Infiltrating Lymphocytes within Malignant Brain Tumors Taizo NITTA 1,2 , Masahiro IKEDA 2 , Phil COGEN 3 , Lawrence STEINMAN 1 , Kiyoshi SATO 2 1Department of Neurology and Neurological Science, Stanford University School of Medicine 2Department of Neurological Surgery, The Juntendo University School of Medicine 3Department of Pediatric Neurosurgery, University of California San Francisco School of Medicine Keyword: T cell receptor , Brain tumors , Tumor infiltrating lymphocyte , Polymerase chain reaction pp.559-566
Published Date 1992/5/10
DOI https://doi.org/10.11477/mf.1436900461
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Abstract

 Expression of T cell receptor (TCR) V α and V β genes in tumor infiltrating lymphocytes (TILs) within human malignant brain tumor was examined. Primers for 18 different human TCR V α and 21 V β families were used to analyze TCRV - (D) - J - C gene rearrangements in TILs in 8 human malignant glioma specimens obtained at surgery. Using the polymerase chain reaction (PCR) method, we detected limited TCR variable region, V α gene expression in malignant glial tumors and also V α 7 and V a 12 TCR genes were preferentially expressed. Usage of TCR V β genes was not as restricted as in TCR V α . These TILs expressing a limited repertoire of TCRs might be isolated, expanded, and used therapeutically for treatment of malignant brain tumors.


Copyright © 1992, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1251 印刷版ISSN 0301-2603 医学書院

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