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Inhibition of transforming growth factor α (TGF-α)-mediated growth effects in ovarian cancer cell lines by a tyrosine kinase inhibitor ZM 252868

Summary The modulating effects of the epidermal growth factor (EGF) receptor-specific tyrosine kinase inhibitor ZM 252868 on cell growth and signalling have been evaluated in four ovarian carcinoma cell lines PE01, PE04, SKOV-3 and PE01 CDDP . Transforming growth factor α (TGF-α)-stimulated growth w...

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Published in:British journal of cancer 1999-03, Vol.79 (7), p.1098-1103
Main Authors: Simpson, B J B, Bartlett, J M S, Macleod, K G, Rabiasz, G, Miller, E P, Rae, A L, Gordge, P, Leake, R E, Miller, W R, Smyth, J, Langdon, S P
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creator Simpson, B J B
Bartlett, J M S
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Smyth, J
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description Summary The modulating effects of the epidermal growth factor (EGF) receptor-specific tyrosine kinase inhibitor ZM 252868 on cell growth and signalling have been evaluated in four ovarian carcinoma cell lines PE01, PE04, SKOV-3 and PE01 CDDP . Transforming growth factor α (TGF-α)-stimulated growth was completely inhibited by concentrations ≥ 0.3 μ M in the PE01 and PE04 cell lines and by ≥ 0.1 μ M in SKOV-3 cells. TGF-α inhibition of PE01 CDDP growth was reversed by concentrations ≥ 0.1 μ M ZM 252868. TGF-α-stimulated tyrosine phosphorylation of both the EGF receptor and c-erbB2 receptor in all four cell lines. The inhibitor ZM 252868, at concentrations ≥ 0.3 μ M , completely inhibited TGF-α-stimulated tyrosine phosphorylation of the EGF receptor and reduced phosphorylation of the c-erbB2 protein. EGF-activated EGF receptor tyrosine kinase activity was completely inhibited by 3 μ M ZM 252868 in PE01, SKOV-3 and PE01 CDDP cells. These data indicate that the EGF receptor-targeted TK inhibitor ZM 252868 can inhibit growth of ovarian carcinoma cells in vitro consistent with inhibition of tyrosine phosphorylation at the EGF receptor.
doi_str_mv 10.1038/sj.bjc.6690175
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Transforming growth factor α (TGF-α)-stimulated growth was completely inhibited by concentrations ≥ 0.3 μ M in the PE01 and PE04 cell lines and by ≥ 0.1 μ M in SKOV-3 cells. TGF-α inhibition of PE01 CDDP growth was reversed by concentrations ≥ 0.1 μ M ZM 252868. TGF-α-stimulated tyrosine phosphorylation of both the EGF receptor and c-erbB2 receptor in all four cell lines. The inhibitor ZM 252868, at concentrations ≥ 0.3 μ M , completely inhibited TGF-α-stimulated tyrosine phosphorylation of the EGF receptor and reduced phosphorylation of the c-erbB2 protein. EGF-activated EGF receptor tyrosine kinase activity was completely inhibited by 3 μ M ZM 252868 in PE01, SKOV-3 and PE01 CDDP cells. 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Transforming growth factor α (TGF-α)-stimulated growth was completely inhibited by concentrations ≥ 0.3 μ M in the PE01 and PE04 cell lines and by ≥ 0.1 μ M in SKOV-3 cells. TGF-α inhibition of PE01 CDDP growth was reversed by concentrations ≥ 0.1 μ M ZM 252868. TGF-α-stimulated tyrosine phosphorylation of both the EGF receptor and c-erbB2 receptor in all four cell lines. The inhibitor ZM 252868, at concentrations ≥ 0.3 μ M , completely inhibited TGF-α-stimulated tyrosine phosphorylation of the EGF receptor and reduced phosphorylation of the c-erbB2 protein. EGF-activated EGF receptor tyrosine kinase activity was completely inhibited by 3 μ M ZM 252868 in PE01, SKOV-3 and PE01 CDDP cells. 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Drug treatments</topic><topic>Phosphorylation - drug effects</topic><topic>Proto-Oncogene Proteins - drug effects</topic><topic>Proto-Oncogene Proteins - metabolism</topic><topic>Quinazolines - pharmacology</topic><topic>Receptor, Epidermal Growth Factor - antagonists &amp; inhibitors</topic><topic>Receptor, Epidermal Growth Factor - drug effects</topic><topic>Receptor, Epidermal Growth Factor - metabolism</topic><topic>Receptor, ErbB-2 - drug effects</topic><topic>Receptor, ErbB-2 - metabolism</topic><topic>Receptor, ErbB-3</topic><topic>Regular</topic><topic>regular-article</topic><topic>Signal Transduction</topic><topic>Transforming Growth Factor alpha - antagonists &amp; inhibitors</topic><topic>Transforming Growth Factor alpha - pharmacology</topic><topic>Tumor Cells, Cultured - drug effects</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Simpson, B J B</creatorcontrib><creatorcontrib>Bartlett, J M S</creatorcontrib><creatorcontrib>Macleod, K G</creatorcontrib><creatorcontrib>Rabiasz, G</creatorcontrib><creatorcontrib>Miller, E P</creatorcontrib><creatorcontrib>Rae, A L</creatorcontrib><creatorcontrib>Gordge, P</creatorcontrib><creatorcontrib>Leake, R E</creatorcontrib><creatorcontrib>Miller, W R</creatorcontrib><creatorcontrib>Smyth, J</creatorcontrib><creatorcontrib>Langdon, S P</creatorcontrib><collection>SpringerOpen</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Oncogenes and Growth Factors Abstracts</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>British journal of cancer</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Simpson, B J B</au><au>Bartlett, J M S</au><au>Macleod, K G</au><au>Rabiasz, G</au><au>Miller, E P</au><au>Rae, A L</au><au>Gordge, P</au><au>Leake, R E</au><au>Miller, W R</au><au>Smyth, J</au><au>Langdon, S P</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Inhibition of transforming growth factor α (TGF-α)-mediated growth effects in ovarian cancer cell lines by a tyrosine kinase inhibitor ZM 252868</atitle><jtitle>British journal of cancer</jtitle><stitle>Br J Cancer</stitle><addtitle>Br J Cancer</addtitle><date>1999-03-01</date><risdate>1999</risdate><volume>79</volume><issue>7</issue><spage>1098</spage><epage>1103</epage><pages>1098-1103</pages><issn>0007-0920</issn><eissn>1532-1827</eissn><coden>BJCAAI</coden><abstract>Summary The modulating effects of the epidermal growth factor (EGF) receptor-specific tyrosine kinase inhibitor ZM 252868 on cell growth and signalling have been evaluated in four ovarian carcinoma cell lines PE01, PE04, SKOV-3 and PE01 CDDP . Transforming growth factor α (TGF-α)-stimulated growth was completely inhibited by concentrations ≥ 0.3 μ M in the PE01 and PE04 cell lines and by ≥ 0.1 μ M in SKOV-3 cells. TGF-α inhibition of PE01 CDDP growth was reversed by concentrations ≥ 0.1 μ M ZM 252868. TGF-α-stimulated tyrosine phosphorylation of both the EGF receptor and c-erbB2 receptor in all four cell lines. The inhibitor ZM 252868, at concentrations ≥ 0.3 μ M , completely inhibited TGF-α-stimulated tyrosine phosphorylation of the EGF receptor and reduced phosphorylation of the c-erbB2 protein. EGF-activated EGF receptor tyrosine kinase activity was completely inhibited by 3 μ M ZM 252868 in PE01, SKOV-3 and PE01 CDDP cells. These data indicate that the EGF receptor-targeted TK inhibitor ZM 252868 can inhibit growth of ovarian carcinoma cells in vitro consistent with inhibition of tyrosine phosphorylation at the EGF receptor.</abstract><cop>London</cop><pub>Nature Publishing Group UK</pub><pmid>10098742</pmid><doi>10.1038/sj.bjc.6690175</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record>
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identifier ISSN: 0007-0920
ispartof British journal of cancer, 1999-03, Vol.79 (7), p.1098-1103
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source Open Access: PubMed Central
subjects Antineoplastic agents
Biological and medical sciences
Biomedical and Life Sciences
Biomedicine
Cancer Research
Cell Division - drug effects
Drug Resistance
Enzyme Inhibitors - pharmacology
Epidemiology
Female
General aspects
Humans
Medical sciences
Molecular Medicine
Oncology
Ovarian Neoplasms - drug therapy
Ovarian Neoplasms - metabolism
Ovarian Neoplasms - pathology
Pharmacology. Drug treatments
Phosphorylation - drug effects
Proto-Oncogene Proteins - drug effects
Proto-Oncogene Proteins - metabolism
Quinazolines - pharmacology
Receptor, Epidermal Growth Factor - antagonists & inhibitors
Receptor, Epidermal Growth Factor - drug effects
Receptor, Epidermal Growth Factor - metabolism
Receptor, ErbB-2 - drug effects
Receptor, ErbB-2 - metabolism
Receptor, ErbB-3
Regular
regular-article
Signal Transduction
Transforming Growth Factor alpha - antagonists & inhibitors
Transforming Growth Factor alpha - pharmacology
Tumor Cells, Cultured - drug effects
title Inhibition of transforming growth factor α (TGF-α)-mediated growth effects in ovarian cancer cell lines by a tyrosine kinase inhibitor ZM 252868
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