Blastogenic response of lymphocytes derived from patients with hematopoietic malignancies to antigens of a type C retrovirus isolated from a Burkitt's lymphoma cell line

Zivia Schwarzbard, Tamar Gotlieb-Stematsky*, Ami Vonsover, Meir Djaldetti, Aharon Hallak, Abraham Yaniv

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Cellular immune response to antigens associated with a type C retrovirus derived from Burkitt's lymphoma (BL) lymphoblastoid cells was studied in patients with hematopoietic malignancies, noncancer patients and healthy controls. Repsonse was determined by lymphocyte blastogenesis assay measuring [3H]-thymidine incorporation, thereby enabling the calculation of stimulation indices (SI). Positive response (SI>2;2.0) was demonstrated in patients with multiple myeloma (MM), chronic lymphocytic leukemia (CLL), chronic myelocytic leukemia (CML) and BL. No response was demonstrated in the non-cancer and healthy controls. Specific blastogenic response was obtained towards antigen extracted from three different cell lines infected with the tested type C retrovirus. No response was evident towards purified whole or purified disrupted virions or antigen extracted from murine myeloma MOPC-315 cells secreting a murine type C retrovirus or an antigen extracted from Mason-Pfizer monkey virus-infected NC-37 cells. The correlation between human hematopoietic malignancies and the in vitro lymphocyte blastogenic response to the BL-derived type C retrovirus was statistically highly significant.

Original languageEnglish
Pages (from-to)1411-1420
Number of pages10
JournalEuropean Journal of Cancer and Clinical Oncology
Volume19
Issue number10
DOIs
StatePublished - Oct 1983

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