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Int J Cancer. 1983 Apr 15;31(4):413-20.

Infection and transformation of fresh human umbilical cord blood cells by multiple sources of human T-cell leukemia-lymphoma virus (HTLV).

Abstract

Human T-cell leukemia-lymphoma virus (HTLV) was first isolated from sporadic patients with adult T-cell malignancies in the United States and subsequently from T-lymphocytes established in culture from additional T-cell leukemia-lymphoma patients living in different geographical areas of the world. Co-cultivation of normal umbilical cord blood with lethally irradiated, HTLV-positive lymphocytes established in culture from many of these patients resulted in the productive infection of the cord blood T-lymphocytes which grew in suspension culture in the absence of exogenous TCGF. These transformed cord blood cells have morphological and cytochemical properties similar to HTLV-positive fresh and cultured tumor T-cells and are distinguishable from virus donor cells by HLA haplotype and chromosomal markers. These cells express HTLV proteins, release type-C virus particles and contain surface receptors for TCGF. These results demonstrate that HTLV isolated from T-cell leukemic donors from different parts of the world can productively infect and transform fresh human cord blood T-lymphocytes, and that the transformed cells share many similarities with fresh or cultured leukemic cells.

PMID:
6601065
DOI:
10.1002/ijc.2910310404
[Indexed for MEDLINE]

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