Differential effects of transforming growth factor on cell cycle regulatory molecules in human myeloid leukemia cells

In this report we have studied the mechanism by which Transforming Growth Factor beta (TGF beta) inhibits growth of human myeloid leukemia cell lines. TGF beta 1 arrested cells in G1 phase and significantly downregulated the expression of cyclin D2, cyclin D3, cdk4, cyclin A, and cdk2. The downregul...

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Veröffentlicht in:Oncogene 2001-10, Vol.20 (47), p.6840-6850
Hauptverfasser: XIAOTANG HU, XIAOHONG ZHANG, QING ZHONG, FISHER, Ariana B, BRYINGTON, Matthew, ZUCKERMAN, Kenneth S
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container_end_page 6850
container_issue 47
container_start_page 6840
container_title Oncogene
container_volume 20
creator XIAOTANG HU
XIAOHONG ZHANG
QING ZHONG
FISHER, Ariana B
BRYINGTON, Matthew
ZUCKERMAN, Kenneth S
description In this report we have studied the mechanism by which Transforming Growth Factor beta (TGF beta) inhibits growth of human myeloid leukemia cell lines. TGF beta 1 arrested cells in G1 phase and significantly downregulated the expression of cyclin D2, cyclin D3, cdk4, cyclin A, and cdk2. The downregulation of the molecules resulted in approximately 50-90% decrease of the molecule-dependent kinase activity, varying with each molecule. Although treatment of cells with TGF beta 1 up-regulated accumulation of p27(kip1) in both nucleus and cytoplasm, the association of the p27(kip1) with cdk2, cyclin A, cyclin D2, cyclin D3, and cdk4 was markedly down-regulated, suggesting that p27(kip1) is not responsible for the downregulation of the kinase activity. In contrast, TGF beta 1 upregulated cyclin E-associated p27(kip1) with no effect on the expression of cyclin E. p27(kip1)-immunodepletion upregulated cyclin E-dependent kinase activity by more than 10-fold in TGF beta 1-treated cells but not in proliferating cells; whereas immunodepletion of p27(kip1) from cdk2-immunoprecipitates markedly downregulated cdk2 kinase activity in the lysates extracted from both proliferating and TGF beta-treated cells. Consistent with this observation, TGF beta 1 and p27(kip1) antisense cDNA had a synergistic or additive inhibitory effect on cdk2 but not cyclin E-dependent kinase activity. Our data suggest that (1) TGF beta 1-mediated growth inhibition is accomplished through multiple pathways and (2) p27(kip1) has opposing effects on cdk2 and cyclin E activity in response to TGF beta 1.
doi_str_mv 10.1038/sj.onc.1204790
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TGF beta 1 arrested cells in G1 phase and significantly downregulated the expression of cyclin D2, cyclin D3, cdk4, cyclin A, and cdk2. The downregulation of the molecules resulted in approximately 50-90% decrease of the molecule-dependent kinase activity, varying with each molecule. Although treatment of cells with TGF beta 1 up-regulated accumulation of p27(kip1) in both nucleus and cytoplasm, the association of the p27(kip1) with cdk2, cyclin A, cyclin D2, cyclin D3, and cdk4 was markedly down-regulated, suggesting that p27(kip1) is not responsible for the downregulation of the kinase activity. In contrast, TGF beta 1 upregulated cyclin E-associated p27(kip1) with no effect on the expression of cyclin E. p27(kip1)-immunodepletion upregulated cyclin E-dependent kinase activity by more than 10-fold in TGF beta 1-treated cells but not in proliferating cells; whereas immunodepletion of p27(kip1) from cdk2-immunoprecipitates markedly downregulated cdk2 kinase activity in the lysates extracted from both proliferating and TGF beta-treated cells. Consistent with this observation, TGF beta 1 and p27(kip1) antisense cDNA had a synergistic or additive inhibitory effect on cdk2 but not cyclin E-dependent kinase activity. 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Psychology ; G1 Phase ; Growth factors ; Humans ; Kinases ; kip1 gene ; Leukemia ; Leukemia, Myeloid - metabolism ; Leukemia, Myeloid - pathology ; Lysates ; Molecular and cellular biology ; Myeloid leukemia ; Oncology ; p27 protein ; Phosphorylation ; Protein-Serine-Threonine Kinases - antagonists &amp; inhibitors ; Protein-Serine-Threonine Kinases - biosynthesis ; Proteins ; Proto-Oncogene Proteins ; Research centers ; Retinoblastoma Protein - metabolism ; Transforming Growth Factor beta - pharmacology ; Transforming Growth Factor beta1 ; Transforming growth factor-b ; Transforming growth factor-b1 ; Tumor cell lines ; Tumor Cells, Cultured ; Tumor Suppressor Proteins - physiology</subject><ispartof>Oncogene, 2001-10, Vol.20 (47), p.6840-6850</ispartof><rights>2002 INIST-CNRS</rights><rights>Copyright Nature Publishing Group Oct 18, 2001</rights><rights>Macmillan Publishers Limited 2001.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c407t-72be3e5f627a69bcb66022e82ca1328c3b8bbe9db36b7eb850ef589417ca19683</citedby><cites>FETCH-LOGICAL-c407t-72be3e5f627a69bcb66022e82ca1328c3b8bbe9db36b7eb850ef589417ca19683</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,778,782,27907,27908</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&amp;idt=14154204$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/11687963$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>XIAOTANG HU</creatorcontrib><creatorcontrib>XIAOHONG ZHANG</creatorcontrib><creatorcontrib>QING ZHONG</creatorcontrib><creatorcontrib>FISHER, Ariana B</creatorcontrib><creatorcontrib>BRYINGTON, Matthew</creatorcontrib><creatorcontrib>ZUCKERMAN, Kenneth S</creatorcontrib><title>Differential effects of transforming growth factor on cell cycle regulatory molecules in human myeloid leukemia cells</title><title>Oncogene</title><addtitle>Oncogene</addtitle><description>In this report we have studied the mechanism by which Transforming Growth Factor beta (TGF beta) inhibits growth of human myeloid leukemia cell lines. TGF beta 1 arrested cells in G1 phase and significantly downregulated the expression of cyclin D2, cyclin D3, cdk4, cyclin A, and cdk2. The downregulation of the molecules resulted in approximately 50-90% decrease of the molecule-dependent kinase activity, varying with each molecule. Although treatment of cells with TGF beta 1 up-regulated accumulation of p27(kip1) in both nucleus and cytoplasm, the association of the p27(kip1) with cdk2, cyclin A, cyclin D2, cyclin D3, and cdk4 was markedly down-regulated, suggesting that p27(kip1) is not responsible for the downregulation of the kinase activity. In contrast, TGF beta 1 upregulated cyclin E-associated p27(kip1) with no effect on the expression of cyclin E. p27(kip1)-immunodepletion upregulated cyclin E-dependent kinase activity by more than 10-fold in TGF beta 1-treated cells but not in proliferating cells; whereas immunodepletion of p27(kip1) from cdk2-immunoprecipitates markedly downregulated cdk2 kinase activity in the lysates extracted from both proliferating and TGF beta-treated cells. Consistent with this observation, TGF beta 1 and p27(kip1) antisense cDNA had a synergistic or additive inhibitory effect on cdk2 but not cyclin E-dependent kinase activity. 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In contrast, TGF beta 1 upregulated cyclin E-associated p27(kip1) with no effect on the expression of cyclin E. p27(kip1)-immunodepletion upregulated cyclin E-dependent kinase activity by more than 10-fold in TGF beta 1-treated cells but not in proliferating cells; whereas immunodepletion of p27(kip1) from cdk2-immunoprecipitates markedly downregulated cdk2 kinase activity in the lysates extracted from both proliferating and TGF beta-treated cells. Consistent with this observation, TGF beta 1 and p27(kip1) antisense cDNA had a synergistic or additive inhibitory effect on cdk2 but not cyclin E-dependent kinase activity. Our data suggest that (1) TGF beta 1-mediated growth inhibition is accomplished through multiple pathways and (2) p27(kip1) has opposing effects on cdk2 and cyclin E activity in response to TGF beta 1.</abstract><cop>Basingstoke</cop><pub>Nature Publishing</pub><pmid>11687963</pmid><doi>10.1038/sj.onc.1204790</doi><tpages>11</tpages></addata></record>
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source MEDLINE; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Nature Journals Online; SpringerLink Journals - AutoHoldings
subjects Antisense DNA
Biological and medical sciences
Cancer
CDC2-CDC28 Kinases
Cell cycle
Cell Cycle Proteins - metabolism
Cell Cycle Proteins - physiology
Cell cycle, cell proliferation
Cell Division
Cell physiology
Cyclin A
Cyclin D
Cyclin D2
Cyclin D3
Cyclin E
Cyclin E - antagonists & inhibitors
Cyclin E - metabolism
Cyclin-Dependent Kinase 2
Cyclin-Dependent Kinase 4
Cyclin-Dependent Kinase Inhibitor p27
Cyclin-Dependent Kinases - antagonists & inhibitors
Cyclin-Dependent Kinases - biosynthesis
Cyclin-Dependent Kinases - metabolism
Cyclins - metabolism
Cytoplasm
Down-Regulation
Fundamental and applied biological sciences. Psychology
G1 Phase
Growth factors
Humans
Kinases
kip1 gene
Leukemia
Leukemia, Myeloid - metabolism
Leukemia, Myeloid - pathology
Lysates
Molecular and cellular biology
Myeloid leukemia
Oncology
p27 protein
Phosphorylation
Protein-Serine-Threonine Kinases - antagonists & inhibitors
Protein-Serine-Threonine Kinases - biosynthesis
Proteins
Proto-Oncogene Proteins
Research centers
Retinoblastoma Protein - metabolism
Transforming Growth Factor beta - pharmacology
Transforming Growth Factor beta1
Transforming growth factor-b
Transforming growth factor-b1
Tumor cell lines
Tumor Cells, Cultured
Tumor Suppressor Proteins - physiology
title Differential effects of transforming growth factor on cell cycle regulatory molecules in human myeloid leukemia cells
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