Interleukin-2 and antibody to the T cell receptor regulate proliferation of a radiation leukemia virus-transformed T cell lymphoma

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Abstract

In this report, a Radiation leukemia virus-transformed murine T cell lymphoma is described which is dependent on the interleukin-2 (IL-2) growth factor for proliferation under single cell conditions of growth. It was isolated from a C57BL mouse which had been primed with the Radiation leukemia virus-induced thymoma, C6VL/1, and has been shown to be phenotypically and karyotypically distinct from C6VL/1. IL-2 dependency has been stable over many in vitro passages, and this property also serves to distinguish this cell line from C6VL/1. 5C2 constitutively expresses a T cell receptor (TCR) and can respond by increased proliferation to external stimulation with anti-TCR antibody. This antibody acts to stimulate 5C2 growth in the absence of added IL-2. Maximum stimulation was achieved in the presence of a 50-ng/ml concentration of purified antibody. 5C2 has also been shown to produce detectable levels of IL-2 which can be increased by 8- to 16-fold after exposure of cells to anti-TCR antibody. The C6VL/1 T cell lymphoma has served as a control cell line in three experiments since it cannot be stimulated either to increased proliferation or to lymphokine release by this same antibody. However, a 10-ng/ml concentration of anti-TCR antibody was found to inhibit proliferation of both T cell lymphomas when they were cultured under optimal conditions, i.e., in the presence of an IL-2 source for 5C2. The proliferation of both T cell lymphomas appears to be regulated, although in different ways, by the binding of antibody in the vicinity of the TCR complex. While 5C2 is dependent on IL-2 production (and TCR triggering) to proliferate, C6VL/1 replicates independently of any growth factors. Signal transduction through the TCR/T3 complex, together with the subsequent production of growth factors, may be important for driving the proliferation of T cells such as 5C2 at an early stage in oncogenic progression following infection with an RNA tumor virus.

Original languageEnglish
Pages (from-to)108-114
Number of pages7
JournalLeukemia
Volume2
Issue number2
Publication statusPublished - Feb 1988
Externally publishedYes

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Radiation Leukemia Virus
T-Cell Lymphoma
T-Cell Antigen Receptor
Interleukin-2
Antibodies
Intercellular Signaling Peptides and Proteins
CD3 Antigens
Cell Line
Thymoma
Lymphokines
Retroviridae
Growth
Inbred C57BL Mouse
Signal Transduction
T-Lymphocytes

Cite this

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title = "Interleukin-2 and antibody to the T cell receptor regulate proliferation of a radiation leukemia virus-transformed T cell lymphoma",
abstract = "In this report, a Radiation leukemia virus-transformed murine T cell lymphoma is described which is dependent on the interleukin-2 (IL-2) growth factor for proliferation under single cell conditions of growth. It was isolated from a C57BL mouse which had been primed with the Radiation leukemia virus-induced thymoma, C6VL/1, and has been shown to be phenotypically and karyotypically distinct from C6VL/1. IL-2 dependency has been stable over many in vitro passages, and this property also serves to distinguish this cell line from C6VL/1. 5C2 constitutively expresses a T cell receptor (TCR) and can respond by increased proliferation to external stimulation with anti-TCR antibody. This antibody acts to stimulate 5C2 growth in the absence of added IL-2. Maximum stimulation was achieved in the presence of a 50-ng/ml concentration of purified antibody. 5C2 has also been shown to produce detectable levels of IL-2 which can be increased by 8- to 16-fold after exposure of cells to anti-TCR antibody. The C6VL/1 T cell lymphoma has served as a control cell line in three experiments since it cannot be stimulated either to increased proliferation or to lymphokine release by this same antibody. However, a 10-ng/ml concentration of anti-TCR antibody was found to inhibit proliferation of both T cell lymphomas when they were cultured under optimal conditions, i.e., in the presence of an IL-2 source for 5C2. The proliferation of both T cell lymphomas appears to be regulated, although in different ways, by the binding of antibody in the vicinity of the TCR complex. While 5C2 is dependent on IL-2 production (and TCR triggering) to proliferate, C6VL/1 replicates independently of any growth factors. Signal transduction through the TCR/T3 complex, together with the subsequent production of growth factors, may be important for driving the proliferation of T cells such as 5C2 at an early stage in oncogenic progression following infection with an RNA tumor virus.",
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Interleukin-2 and antibody to the T cell receptor regulate proliferation of a radiation leukemia virus-transformed T cell lymphoma. / O'Neill, H C.

In: Leukemia, Vol. 2, No. 2, 02.1988, p. 108-114.

Research output: Contribution to journalArticleResearchpeer-review

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AU - O'Neill, H C

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AB - In this report, a Radiation leukemia virus-transformed murine T cell lymphoma is described which is dependent on the interleukin-2 (IL-2) growth factor for proliferation under single cell conditions of growth. It was isolated from a C57BL mouse which had been primed with the Radiation leukemia virus-induced thymoma, C6VL/1, and has been shown to be phenotypically and karyotypically distinct from C6VL/1. IL-2 dependency has been stable over many in vitro passages, and this property also serves to distinguish this cell line from C6VL/1. 5C2 constitutively expresses a T cell receptor (TCR) and can respond by increased proliferation to external stimulation with anti-TCR antibody. This antibody acts to stimulate 5C2 growth in the absence of added IL-2. Maximum stimulation was achieved in the presence of a 50-ng/ml concentration of purified antibody. 5C2 has also been shown to produce detectable levels of IL-2 which can be increased by 8- to 16-fold after exposure of cells to anti-TCR antibody. The C6VL/1 T cell lymphoma has served as a control cell line in three experiments since it cannot be stimulated either to increased proliferation or to lymphokine release by this same antibody. However, a 10-ng/ml concentration of anti-TCR antibody was found to inhibit proliferation of both T cell lymphomas when they were cultured under optimal conditions, i.e., in the presence of an IL-2 source for 5C2. The proliferation of both T cell lymphomas appears to be regulated, although in different ways, by the binding of antibody in the vicinity of the TCR complex. While 5C2 is dependent on IL-2 production (and TCR triggering) to proliferate, C6VL/1 replicates independently of any growth factors. Signal transduction through the TCR/T3 complex, together with the subsequent production of growth factors, may be important for driving the proliferation of T cells such as 5C2 at an early stage in oncogenic progression following infection with an RNA tumor virus.

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JO - Leukemia

JF - Leukemia

SN - 0887-6924

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