HL-T, a new cell line derived from HL-60 promyelocytic leukemia cell cultures expressing terminal transferase and secreting suppressor activity

Elisabeth M. Paietta, R. J. Stockert, T. Calvelli, P. Papenhausen, S. V. Seremetis, M. Fotino, P. H. Wiernik, L. Chang, F. J. Bollum

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Abstract

A cell line with immature blast cell morphology was isolated from HL-60 promyelocytic leukemia cell cultures and designated HL-T. This new cell type is biphenotypic, expressing terminal transferase (TdT) together with myelomonocytoid immunologic features. TdT enzymatic activity, undetectable in HL-60, was determined to be 140 to 180 units/108 HL-T cells by the dGTP-assay, approximately 20% of the activity found in lymphoblastoid cell lines. HL-T predominantly synthesize the known 58-kDa TdT-protein plus a minor 54/56-kDa doublet. The 58-kDa steady state form is nonglycosylated and is phosphorylated. Precursor antigens S3.13 and MY-10, absent on HL-60, are expressed by HL-T; however, the cells are negative for HLA-DR. Southern blot analysis by hybridization with immunoglobulin heavy chain (JH) and T cell-receptor chain gene (Tβ) probes shows JH to be in the germ-line configuration in both cell lines and the Tβ gene to be in germ-line in HL-60 but to be rearranged in HL-T. Truncation of the gene encoding the granulocyte-macrophage-colony-stimulating factor (GM-CSF), as found in HL-60, is not observed in HL-T. HL-T are resistant to differentiation-induction by retinoic acid and 1,25-dihydroxyvitamin D3. Cytogenetically HL-T share with HL-60 a deletion of the short arm of chromosome 9 at breakpoint p13, an aberration frequently found in patients with T cell leukemia. In addition, HL-T display t(8;9)(p11;p24) and trisomy 20. Tetraploidy is observed in 80% of HL-T metaphases with aberrations identical to those in the diploid karyotype. Like HL-60, the new line shows some surface-antigenic-T cell characteristics. Despite an antigenic pattern most consistent with that of helper-inducer T cells (T4+, D44(±), 4B4+, 2H4-, TQ1(±)), HL-T cells and their conditioned culture medium suppress antigen, mitogen, and mixed-leukocyte-culture-mediated lymphocyte proliferation.

Original languageEnglish (US)
Pages (from-to)1151-1160
Number of pages10
JournalBlood
Volume70
Issue number4
StatePublished - 1987

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T-cells
Transferases
Cell culture
Leukemia
Cell Culture Techniques
Cells
T-Lymphocytes
Germ Cells
Cell Line
T-Cell Leukemia
T-Cell Receptor Genes
Antigens
Immunoglobulin Heavy Chains
Chromosomes, Human, Pair 9
Aberrations
Tetraploidy
Calcitriol
HLA-DR Antigens
Metaphase
Granulocyte-Macrophage Colony-Stimulating Factor

ASJC Scopus subject areas

  • Hematology

Cite this

Paietta, E. M., Stockert, R. J., Calvelli, T., Papenhausen, P., Seremetis, S. V., Fotino, M., ... Bollum, F. J. (1987). HL-T, a new cell line derived from HL-60 promyelocytic leukemia cell cultures expressing terminal transferase and secreting suppressor activity. Blood, 70(4), 1151-1160.

HL-T, a new cell line derived from HL-60 promyelocytic leukemia cell cultures expressing terminal transferase and secreting suppressor activity. / Paietta, Elisabeth M.; Stockert, R. J.; Calvelli, T.; Papenhausen, P.; Seremetis, S. V.; Fotino, M.; Wiernik, P. H.; Chang, L.; Bollum, F. J.

In: Blood, Vol. 70, No. 4, 1987, p. 1151-1160.

Research output: Contribution to journalArticle

Paietta, EM, Stockert, RJ, Calvelli, T, Papenhausen, P, Seremetis, SV, Fotino, M, Wiernik, PH, Chang, L & Bollum, FJ 1987, 'HL-T, a new cell line derived from HL-60 promyelocytic leukemia cell cultures expressing terminal transferase and secreting suppressor activity', Blood, vol. 70, no. 4, pp. 1151-1160.
Paietta, Elisabeth M. ; Stockert, R. J. ; Calvelli, T. ; Papenhausen, P. ; Seremetis, S. V. ; Fotino, M. ; Wiernik, P. H. ; Chang, L. ; Bollum, F. J. / HL-T, a new cell line derived from HL-60 promyelocytic leukemia cell cultures expressing terminal transferase and secreting suppressor activity. In: Blood. 1987 ; Vol. 70, No. 4. pp. 1151-1160.
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abstract = "A cell line with immature blast cell morphology was isolated from HL-60 promyelocytic leukemia cell cultures and designated HL-T. This new cell type is biphenotypic, expressing terminal transferase (TdT) together with myelomonocytoid immunologic features. TdT enzymatic activity, undetectable in HL-60, was determined to be 140 to 180 units/108 HL-T cells by the dGTP-assay, approximately 20{\%} of the activity found in lymphoblastoid cell lines. HL-T predominantly synthesize the known 58-kDa TdT-protein plus a minor 54/56-kDa doublet. The 58-kDa steady state form is nonglycosylated and is phosphorylated. Precursor antigens S3.13 and MY-10, absent on HL-60, are expressed by HL-T; however, the cells are negative for HLA-DR. Southern blot analysis by hybridization with immunoglobulin heavy chain (JH) and T cell-receptor chain gene (Tβ) probes shows JH to be in the germ-line configuration in both cell lines and the Tβ gene to be in germ-line in HL-60 but to be rearranged in HL-T. Truncation of the gene encoding the granulocyte-macrophage-colony-stimulating factor (GM-CSF), as found in HL-60, is not observed in HL-T. HL-T are resistant to differentiation-induction by retinoic acid and 1,25-dihydroxyvitamin D3. Cytogenetically HL-T share with HL-60 a deletion of the short arm of chromosome 9 at breakpoint p13, an aberration frequently found in patients with T cell leukemia. In addition, HL-T display t(8;9)(p11;p24) and trisomy 20. Tetraploidy is observed in 80{\%} of HL-T metaphases with aberrations identical to those in the diploid karyotype. Like HL-60, the new line shows some surface-antigenic-T cell characteristics. Despite an antigenic pattern most consistent with that of helper-inducer T cells (T4+, D44(±), 4B4+, 2H4-, TQ1(±)), HL-T cells and their conditioned culture medium suppress antigen, mitogen, and mixed-leukocyte-culture-mediated lymphocyte proliferation.",
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T1 - HL-T, a new cell line derived from HL-60 promyelocytic leukemia cell cultures expressing terminal transferase and secreting suppressor activity

AU - Paietta, Elisabeth M.

AU - Stockert, R. J.

AU - Calvelli, T.

AU - Papenhausen, P.

AU - Seremetis, S. V.

AU - Fotino, M.

AU - Wiernik, P. H.

AU - Chang, L.

AU - Bollum, F. J.

PY - 1987

Y1 - 1987

N2 - A cell line with immature blast cell morphology was isolated from HL-60 promyelocytic leukemia cell cultures and designated HL-T. This new cell type is biphenotypic, expressing terminal transferase (TdT) together with myelomonocytoid immunologic features. TdT enzymatic activity, undetectable in HL-60, was determined to be 140 to 180 units/108 HL-T cells by the dGTP-assay, approximately 20% of the activity found in lymphoblastoid cell lines. HL-T predominantly synthesize the known 58-kDa TdT-protein plus a minor 54/56-kDa doublet. The 58-kDa steady state form is nonglycosylated and is phosphorylated. Precursor antigens S3.13 and MY-10, absent on HL-60, are expressed by HL-T; however, the cells are negative for HLA-DR. Southern blot analysis by hybridization with immunoglobulin heavy chain (JH) and T cell-receptor chain gene (Tβ) probes shows JH to be in the germ-line configuration in both cell lines and the Tβ gene to be in germ-line in HL-60 but to be rearranged in HL-T. Truncation of the gene encoding the granulocyte-macrophage-colony-stimulating factor (GM-CSF), as found in HL-60, is not observed in HL-T. HL-T are resistant to differentiation-induction by retinoic acid and 1,25-dihydroxyvitamin D3. Cytogenetically HL-T share with HL-60 a deletion of the short arm of chromosome 9 at breakpoint p13, an aberration frequently found in patients with T cell leukemia. In addition, HL-T display t(8;9)(p11;p24) and trisomy 20. Tetraploidy is observed in 80% of HL-T metaphases with aberrations identical to those in the diploid karyotype. Like HL-60, the new line shows some surface-antigenic-T cell characteristics. Despite an antigenic pattern most consistent with that of helper-inducer T cells (T4+, D44(±), 4B4+, 2H4-, TQ1(±)), HL-T cells and their conditioned culture medium suppress antigen, mitogen, and mixed-leukocyte-culture-mediated lymphocyte proliferation.

AB - A cell line with immature blast cell morphology was isolated from HL-60 promyelocytic leukemia cell cultures and designated HL-T. This new cell type is biphenotypic, expressing terminal transferase (TdT) together with myelomonocytoid immunologic features. TdT enzymatic activity, undetectable in HL-60, was determined to be 140 to 180 units/108 HL-T cells by the dGTP-assay, approximately 20% of the activity found in lymphoblastoid cell lines. HL-T predominantly synthesize the known 58-kDa TdT-protein plus a minor 54/56-kDa doublet. The 58-kDa steady state form is nonglycosylated and is phosphorylated. Precursor antigens S3.13 and MY-10, absent on HL-60, are expressed by HL-T; however, the cells are negative for HLA-DR. Southern blot analysis by hybridization with immunoglobulin heavy chain (JH) and T cell-receptor chain gene (Tβ) probes shows JH to be in the germ-line configuration in both cell lines and the Tβ gene to be in germ-line in HL-60 but to be rearranged in HL-T. Truncation of the gene encoding the granulocyte-macrophage-colony-stimulating factor (GM-CSF), as found in HL-60, is not observed in HL-T. HL-T are resistant to differentiation-induction by retinoic acid and 1,25-dihydroxyvitamin D3. Cytogenetically HL-T share with HL-60 a deletion of the short arm of chromosome 9 at breakpoint p13, an aberration frequently found in patients with T cell leukemia. In addition, HL-T display t(8;9)(p11;p24) and trisomy 20. Tetraploidy is observed in 80% of HL-T metaphases with aberrations identical to those in the diploid karyotype. Like HL-60, the new line shows some surface-antigenic-T cell characteristics. Despite an antigenic pattern most consistent with that of helper-inducer T cells (T4+, D44(±), 4B4+, 2H4-, TQ1(±)), HL-T cells and their conditioned culture medium suppress antigen, mitogen, and mixed-leukocyte-culture-mediated lymphocyte proliferation.

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