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Functional expression of TRAIL by lymphoid and myeloid tumour cells

Functional expression of TRAIL by lymphoid and myeloid tumour cells TRAIL is a potent death protein that favours the killing of various types of cancer cells to normal cells, but under the right conditions TRAIL can also kill activated human T cells. TRAIL mRNA is widely expressed by normal cells but its expression by primary tumour cells is not known. In this study, primary tumour cells of haemopoietic origin constitutively expressed TRAIL mRNA and protein and were capable of inducing the apoptosis of target Jurkat cells in a dose‐dependent manner. This killing effect was reversed by anti‐TRAIL antibody. The functional expression of TRAIL by lymphoid and myeloid malignant cells raises the possibility of its involvement in tumour cell evasion of immunosurveillance, and could be related to spontaneous tumour cell death and necrosis. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png British Journal of Haematology Wiley

Functional expression of TRAIL by lymphoid and myeloid tumour cells

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References (34)

Publisher
Wiley
Copyright
Copyright © 1999 Wiley Subscription Services
ISSN
0007-1048
eISSN
1365-2141
DOI
10.1046/j.1365-2141.1999.01630.x
Publisher site
See Article on Publisher Site

Abstract

TRAIL is a potent death protein that favours the killing of various types of cancer cells to normal cells, but under the right conditions TRAIL can also kill activated human T cells. TRAIL mRNA is widely expressed by normal cells but its expression by primary tumour cells is not known. In this study, primary tumour cells of haemopoietic origin constitutively expressed TRAIL mRNA and protein and were capable of inducing the apoptosis of target Jurkat cells in a dose‐dependent manner. This killing effect was reversed by anti‐TRAIL antibody. The functional expression of TRAIL by lymphoid and myeloid malignant cells raises the possibility of its involvement in tumour cell evasion of immunosurveillance, and could be related to spontaneous tumour cell death and necrosis.

Journal

British Journal of HaematologyWiley

Published: Jan 1, 1999

Keywords: ; ; ; ;

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