Antitumor Effects and Biomarkers of Activity of AZD0530, a Src Inhibitor, in Pancreatic Cancer

Purpose: To determine the efficacy of AZD0530, an orally active small molecule Src inhibitor, in human pancreatic cancer xenografts and to seek biomarkers predictive of activity. Experimental Design: Sixteen patient-derived pancreatic cancer xenografts from the PancXenoBank collection at Johns Hopki...

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Veröffentlicht in:Clinical cancer research 2009-06, Vol.15 (12), p.4138-4146
Hauptverfasser: Rajeshkumar, N V, Tan, Aik Choon, De Oliveira, Elizabeth, Womack, Chris, Wombwell, Helen, Morgan, Shethah, Warren, Madhuri V, Walker, Jill, Green, Tim P, Jimeno, Antonio, Messersmith, Wells A, Hidalgo, Manuel
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container_end_page 4146
container_issue 12
container_start_page 4138
container_title Clinical cancer research
container_volume 15
creator Rajeshkumar, N V
Tan, Aik Choon
De Oliveira, Elizabeth
Womack, Chris
Wombwell, Helen
Morgan, Shethah
Warren, Madhuri V
Walker, Jill
Green, Tim P
Jimeno, Antonio
Messersmith, Wells A
Hidalgo, Manuel
description Purpose: To determine the efficacy of AZD0530, an orally active small molecule Src inhibitor, in human pancreatic cancer xenografts and to seek biomarkers predictive of activity. Experimental Design: Sixteen patient-derived pancreatic cancer xenografts from the PancXenoBank collection at Johns Hopkins were treated with AZD0530 (50 mg/kg/day, p.o.) for 28 days. Baseline gene expression profiles of differently expressed genes in 16 tumors by Affymetrix U133 Plus 2.0 gene array were used to predict AZD0530 sensitivity in an independent group of eight tumors using the K-Top Scoring Pairs ( K-TSP ) method. Results: Three patient tumors of 16 were found to be sensitive to AZD0530, defined as tumor growth
doi_str_mv 10.1158/1078-0432.CCR-08-3021
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Experimental Design: Sixteen patient-derived pancreatic cancer xenografts from the PancXenoBank collection at Johns Hopkins were treated with AZD0530 (50 mg/kg/day, p.o.) for 28 days. Baseline gene expression profiles of differently expressed genes in 16 tumors by Affymetrix U133 Plus 2.0 gene array were used to predict AZD0530 sensitivity in an independent group of eight tumors using the K-Top Scoring Pairs ( K-TSP ) method. Results: Three patient tumors of 16 were found to be sensitive to AZD0530, defined as tumor growth &lt;50% compared with control tumors (100%). Western blot and/or immunohistochemistry results showed that AZD0530 administration resulted in the down-regulation of Src, FAK, p-FAK, p-paxillin, p-STAT-3, and XIAP in sensitive tumor xenografts compared with control tumors. The K-TSP classifier identified one gene pair ( LRRC19 and IGFBP2 ) from the 16 training cases based on a decision rule. The classifier achieved 100% and 83.3% of sensitivity and specificity in an independent test set that consists of eight xenograft cases. Conclusions: AZD0530 treatment significantly inhibits the tumor growth in a subset of human pancreatic tumor xenografts. One gene pair ( LRRC19 and IGFBP2 ) identified by the K-TSP classifier has high predictive power for AZD0530 sensitivity, suggesting the potential for this gene pair as biomarker for pancreatic tumor sensitivity to AZD0530.</description><identifier>ISSN: 1078-0432</identifier><identifier>EISSN: 1557-3265</identifier><identifier>DOI: 10.1158/1078-0432.CCR-08-3021</identifier><identifier>PMID: 19509160</identifier><language>eng</language><publisher>United States: American Association for Cancer Research</publisher><subject>Animals ; Antineoplastic Agents - pharmacology ; AZD0530 ; Benzodioxoles - pharmacology ; Biomarkers, Tumor - metabolism ; Female ; Focal Adhesion Kinase 1 - antagonists &amp; inhibitors ; Focal Adhesion Kinase 1 - metabolism ; Gene Expression Profiling ; Humans ; Mice ; Mice, Nude ; Pancreatic cancer ; Pancreatic Neoplasms - metabolism ; Pancreatic Neoplasms - pathology ; Paxillin - antagonists &amp; inhibitors ; Paxillin - metabolism ; Proto-Oncogene Proteins pp60(c-src) - antagonists &amp; inhibitors ; Quinazolines - pharmacology ; Small molecule inhibitor ; Src inhibitor ; STAT3 Transcription Factor - antagonists &amp; inhibitors ; STAT3 Transcription Factor - metabolism ; Xenograft Model Antitumor Assays</subject><ispartof>Clinical cancer research, 2009-06, Vol.15 (12), p.4138-4146</ispartof><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c388t-36673f1ee74a370a7fe053882f9a3c4b9e1e10f3feffcd52341af2f8c9561aa93</citedby><cites>FETCH-LOGICAL-c388t-36673f1ee74a370a7fe053882f9a3c4b9e1e10f3feffcd52341af2f8c9561aa93</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,3343,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/19509160$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Rajeshkumar, N V</creatorcontrib><creatorcontrib>Tan, Aik Choon</creatorcontrib><creatorcontrib>De Oliveira, Elizabeth</creatorcontrib><creatorcontrib>Womack, Chris</creatorcontrib><creatorcontrib>Wombwell, Helen</creatorcontrib><creatorcontrib>Morgan, Shethah</creatorcontrib><creatorcontrib>Warren, Madhuri V</creatorcontrib><creatorcontrib>Walker, Jill</creatorcontrib><creatorcontrib>Green, Tim P</creatorcontrib><creatorcontrib>Jimeno, Antonio</creatorcontrib><creatorcontrib>Messersmith, Wells A</creatorcontrib><creatorcontrib>Hidalgo, Manuel</creatorcontrib><title>Antitumor Effects and Biomarkers of Activity of AZD0530, a Src Inhibitor, in Pancreatic Cancer</title><title>Clinical cancer research</title><addtitle>Clin Cancer Res</addtitle><description>Purpose: To determine the efficacy of AZD0530, an orally active small molecule Src inhibitor, in human pancreatic cancer xenografts and to seek biomarkers predictive of activity. Experimental Design: Sixteen patient-derived pancreatic cancer xenografts from the PancXenoBank collection at Johns Hopkins were treated with AZD0530 (50 mg/kg/day, p.o.) for 28 days. Baseline gene expression profiles of differently expressed genes in 16 tumors by Affymetrix U133 Plus 2.0 gene array were used to predict AZD0530 sensitivity in an independent group of eight tumors using the K-Top Scoring Pairs ( K-TSP ) method. Results: Three patient tumors of 16 were found to be sensitive to AZD0530, defined as tumor growth &lt;50% compared with control tumors (100%). Western blot and/or immunohistochemistry results showed that AZD0530 administration resulted in the down-regulation of Src, FAK, p-FAK, p-paxillin, p-STAT-3, and XIAP in sensitive tumor xenografts compared with control tumors. The K-TSP classifier identified one gene pair ( LRRC19 and IGFBP2 ) from the 16 training cases based on a decision rule. 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inhibitors</subject><subject>Quinazolines - pharmacology</subject><subject>Small molecule inhibitor</subject><subject>Src inhibitor</subject><subject>STAT3 Transcription Factor - antagonists &amp; inhibitors</subject><subject>STAT3 Transcription Factor - metabolism</subject><subject>Xenograft Model Antitumor Assays</subject><issn>1078-0432</issn><issn>1557-3265</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpFkMlOwzAQhi0EYik8AsgnJCQCnjhOnGMJq4QEYrlwwHLdMTW0CdguqG-PuyBO8x_-RfMRsg_sBEDIU2CVzFjB85OmeciYzDjLYY1sgxBVxvNSrCf959kiOyG8MwYFsGKTbEEtWA0l2yav_Ta6OJ10nl5YiyYGqtshPXPdRPsP9IF2lvZNdN8uzhb65ZwJzo6ppo_e0Jt25AYudv6Yupbe69Z41NEZ2iSJfpdsWD0OuLe6PfJ8efHUXGe3d1c3Tf82M1zKmPGyrLgFxKrQvGK6sphGpMxtrbkpBjUCArPcorVmKHJegLa5laYWJWhd8x45XPZ--u5riiGqiQsGx2PdYjcNKtVXskjBHhFLo_FdCB6t-vQuvTpTwNQcrJpDU3NoKoFVTKo52JQ7WA1MBxMc_qdWJJPhaGkYubfRj_OozIKAx4Dam5ECoSBXBXDJfwEjSoDQ</recordid><startdate>20090615</startdate><enddate>20090615</enddate><creator>Rajeshkumar, N V</creator><creator>Tan, Aik Choon</creator><creator>De Oliveira, Elizabeth</creator><creator>Womack, Chris</creator><creator>Wombwell, Helen</creator><creator>Morgan, Shethah</creator><creator>Warren, Madhuri V</creator><creator>Walker, Jill</creator><creator>Green, Tim P</creator><creator>Jimeno, Antonio</creator><creator>Messersmith, Wells A</creator><creator>Hidalgo, Manuel</creator><general>American Association for Cancer Research</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20090615</creationdate><title>Antitumor Effects and Biomarkers of Activity of AZD0530, a Src Inhibitor, in Pancreatic Cancer</title><author>Rajeshkumar, N V ; 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Experimental Design: Sixteen patient-derived pancreatic cancer xenografts from the PancXenoBank collection at Johns Hopkins were treated with AZD0530 (50 mg/kg/day, p.o.) for 28 days. Baseline gene expression profiles of differently expressed genes in 16 tumors by Affymetrix U133 Plus 2.0 gene array were used to predict AZD0530 sensitivity in an independent group of eight tumors using the K-Top Scoring Pairs ( K-TSP ) method. Results: Three patient tumors of 16 were found to be sensitive to AZD0530, defined as tumor growth &lt;50% compared with control tumors (100%). Western blot and/or immunohistochemistry results showed that AZD0530 administration resulted in the down-regulation of Src, FAK, p-FAK, p-paxillin, p-STAT-3, and XIAP in sensitive tumor xenografts compared with control tumors. The K-TSP classifier identified one gene pair ( LRRC19 and IGFBP2 ) from the 16 training cases based on a decision rule. The classifier achieved 100% and 83.3% of sensitivity and specificity in an independent test set that consists of eight xenograft cases. Conclusions: AZD0530 treatment significantly inhibits the tumor growth in a subset of human pancreatic tumor xenografts. One gene pair ( LRRC19 and IGFBP2 ) identified by the K-TSP classifier has high predictive power for AZD0530 sensitivity, suggesting the potential for this gene pair as biomarker for pancreatic tumor sensitivity to AZD0530.</abstract><cop>United States</cop><pub>American Association for Cancer Research</pub><pmid>19509160</pmid><doi>10.1158/1078-0432.CCR-08-3021</doi><tpages>9</tpages><oa>free_for_read</oa></addata></record>
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subjects Animals
Antineoplastic Agents - pharmacology
AZD0530
Benzodioxoles - pharmacology
Biomarkers, Tumor - metabolism
Female
Focal Adhesion Kinase 1 - antagonists & inhibitors
Focal Adhesion Kinase 1 - metabolism
Gene Expression Profiling
Humans
Mice
Mice, Nude
Pancreatic cancer
Pancreatic Neoplasms - metabolism
Pancreatic Neoplasms - pathology
Paxillin - antagonists & inhibitors
Paxillin - metabolism
Proto-Oncogene Proteins pp60(c-src) - antagonists & inhibitors
Quinazolines - pharmacology
Small molecule inhibitor
Src inhibitor
STAT3 Transcription Factor - antagonists & inhibitors
STAT3 Transcription Factor - metabolism
Xenograft Model Antitumor Assays
title Antitumor Effects and Biomarkers of Activity of AZD0530, a Src Inhibitor, in Pancreatic Cancer
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