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Establishment of paired tumor cells and autologous virus-transformed cell lines to define humoral immune responses in melanoma and sarcoma patients

✍ Scribed by R. E. Saxton; R. F. Irie; S. Ferrone; M. A. Pellegrino; D. L. Morton

Publisher
John Wiley and Sons
Year
1978
Tongue
French
Weight
809 KB
Volume
21
Category
Article
ISSN
0020-7136

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✦ Synopsis

Abstract

Peripheral blood lymphocytes and skin fibroblasts from 12 cancer patients were infected with Epstein‐Barr virus (EBV) or SV40 virus. The EBV‐trans‐formed lymphoblasts and SV40‐transformed fibro‐blasts were grown as continuous cell lines and expressed the same histocompatibility antigens as tumor cell lines established from the same cancer patients. Sera from 350 melanoma and 195 sarcoma patients were tested for antibody reactive with membrane antigens on three of these tumor cell lines (two melanomas and one sarcoma) by immune adherence (IA) and indirect immunofluorescence (IMI) assays. Antibodies to HLA and other non‐tumor‐related antigens were completely removed from the most reactive sera by quantitative absorption with 4 × 10^7^ lymphoblasts or 10^7^ transformed fibroblasts autologous to the tumor target cells. These paired cell lines were used to monitor humoral immune responses in melanoma and sarcoma patients receiving allogeneic tumor cell vaccines.

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