author_facet Lee, Keun-Wook
Lee, Sung Sook
Kim, Sang-Bae
Sohn, Bo Hwa
Lee, Hyun-Sung
Jang, Hee-Jin
Park, Yun-Yong
Kopetz, Scott
Kim, Sung Soo
Oh, Sang Cheul
Lee, Ju-Seog
Lee, Keun-Wook
Lee, Sung Sook
Kim, Sang-Bae
Sohn, Bo Hwa
Lee, Hyun-Sung
Jang, Hee-Jin
Park, Yun-Yong
Kopetz, Scott
Kim, Sung Soo
Oh, Sang Cheul
Lee, Ju-Seog
author Lee, Keun-Wook
Lee, Sung Sook
Kim, Sang-Bae
Sohn, Bo Hwa
Lee, Hyun-Sung
Jang, Hee-Jin
Park, Yun-Yong
Kopetz, Scott
Kim, Sung Soo
Oh, Sang Cheul
Lee, Ju-Seog
spellingShingle Lee, Keun-Wook
Lee, Sung Sook
Kim, Sang-Bae
Sohn, Bo Hwa
Lee, Hyun-Sung
Jang, Hee-Jin
Park, Yun-Yong
Kopetz, Scott
Kim, Sung Soo
Oh, Sang Cheul
Lee, Ju-Seog
Clinical Cancer Research
Significant Association of Oncogene YAP1 with Poor Prognosis and Cetuximab Resistance in Colorectal Cancer Patients
Cancer Research
Oncology
author_sort lee, keun-wook
spelling Lee, Keun-Wook Lee, Sung Sook Kim, Sang-Bae Sohn, Bo Hwa Lee, Hyun-Sung Jang, Hee-Jin Park, Yun-Yong Kopetz, Scott Kim, Sung Soo Oh, Sang Cheul Lee, Ju-Seog 1078-0432 1557-3265 American Association for Cancer Research (AACR) Cancer Research Oncology http://dx.doi.org/10.1158/1078-0432.ccr-14-1374 <jats:title>Abstract</jats:title> <jats:p>Purpose: Activation of YAP1, a novel oncogene in the Hippo pathway, has been observed in many cancers, including colorectal cancer. We investigated whether activation of YAP1 is significantly associated with prognosis or treatment outcomes in colorectal cancer.</jats:p> <jats:p>Experimental Design: A gene expression signature reflecting YAP1 activation was identified in colorectal cancer cells, and patients with colorectal cancer were stratified into two groups according to this signature: activated YAP1 colorectal cancer (AYCC) or inactivated YAP1 colorectal cancer (IYCC). Stratified patients in five test cohorts were evaluated to determine the effect of the signature on colorectal cancer prognosis and response to cetuximab treatment.</jats:p> <jats:p>Results: The activated YAP1 signature was associated with poor prognosis for colorectal cancer in four independent patient cohorts with stage I–III disease (total n = 1,028). In a multivariate analysis, the impact of the YAP1 signature on disease-free survival was independent of other clinical variables [hazard ratio (HR), 1.63; 95% confidence interval (CI), 1.25–2.13; P &amp;lt; 0.001]. In patients with stage IV colorectal cancer and wild-type KRAS, IYCC patients had a better disease control rate and progression-free survival (PFS) after cetuximab monotherapy than did AYCC patients; however, in patients with KRAS mutations, PFS duration after cetuximab monotherapy was not different between IYCC and AYCC patients. In multivariate analysis, the effect of YAP1 activation on PFS was independent of KRAS mutation status and other clinical variables (HR, 1.82; 95% CI, 1.05–3.16; P = 0.03).</jats:p> <jats:p>Conclusions: Activation of YAP1 is highly associated with poor prognosis for colorectal cancer and may be useful in identifying patients with metastatic colorectal cancer resistant to cetuximab. Clin Cancer Res; 21(2); 357–64. ©2014 AACR.</jats:p> Significant Association of Oncogene YAP1 with Poor Prognosis and Cetuximab Resistance in Colorectal Cancer Patients Clinical Cancer Research
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title Significant Association of Oncogene YAP1 with Poor Prognosis and Cetuximab Resistance in Colorectal Cancer Patients
title_unstemmed Significant Association of Oncogene YAP1 with Poor Prognosis and Cetuximab Resistance in Colorectal Cancer Patients
title_full Significant Association of Oncogene YAP1 with Poor Prognosis and Cetuximab Resistance in Colorectal Cancer Patients
title_fullStr Significant Association of Oncogene YAP1 with Poor Prognosis and Cetuximab Resistance in Colorectal Cancer Patients
title_full_unstemmed Significant Association of Oncogene YAP1 with Poor Prognosis and Cetuximab Resistance in Colorectal Cancer Patients
title_short Significant Association of Oncogene YAP1 with Poor Prognosis and Cetuximab Resistance in Colorectal Cancer Patients
title_sort significant association of oncogene yap1 with poor prognosis and cetuximab resistance in colorectal cancer patients
topic Cancer Research
Oncology
url http://dx.doi.org/10.1158/1078-0432.ccr-14-1374
publishDate 2015
physical 357-364
description <jats:title>Abstract</jats:title> <jats:p>Purpose: Activation of YAP1, a novel oncogene in the Hippo pathway, has been observed in many cancers, including colorectal cancer. We investigated whether activation of YAP1 is significantly associated with prognosis or treatment outcomes in colorectal cancer.</jats:p> <jats:p>Experimental Design: A gene expression signature reflecting YAP1 activation was identified in colorectal cancer cells, and patients with colorectal cancer were stratified into two groups according to this signature: activated YAP1 colorectal cancer (AYCC) or inactivated YAP1 colorectal cancer (IYCC). Stratified patients in five test cohorts were evaluated to determine the effect of the signature on colorectal cancer prognosis and response to cetuximab treatment.</jats:p> <jats:p>Results: The activated YAP1 signature was associated with poor prognosis for colorectal cancer in four independent patient cohorts with stage I–III disease (total n = 1,028). In a multivariate analysis, the impact of the YAP1 signature on disease-free survival was independent of other clinical variables [hazard ratio (HR), 1.63; 95% confidence interval (CI), 1.25–2.13; P &amp;lt; 0.001]. In patients with stage IV colorectal cancer and wild-type KRAS, IYCC patients had a better disease control rate and progression-free survival (PFS) after cetuximab monotherapy than did AYCC patients; however, in patients with KRAS mutations, PFS duration after cetuximab monotherapy was not different between IYCC and AYCC patients. In multivariate analysis, the effect of YAP1 activation on PFS was independent of KRAS mutation status and other clinical variables (HR, 1.82; 95% CI, 1.05–3.16; P = 0.03).</jats:p> <jats:p>Conclusions: Activation of YAP1 is highly associated with poor prognosis for colorectal cancer and may be useful in identifying patients with metastatic colorectal cancer resistant to cetuximab. Clin Cancer Res; 21(2); 357–64. ©2014 AACR.</jats:p>
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author Lee, Keun-Wook, Lee, Sung Sook, Kim, Sang-Bae, Sohn, Bo Hwa, Lee, Hyun-Sung, Jang, Hee-Jin, Park, Yun-Yong, Kopetz, Scott, Kim, Sung Soo, Oh, Sang Cheul, Lee, Ju-Seog
author_facet Lee, Keun-Wook, Lee, Sung Sook, Kim, Sang-Bae, Sohn, Bo Hwa, Lee, Hyun-Sung, Jang, Hee-Jin, Park, Yun-Yong, Kopetz, Scott, Kim, Sung Soo, Oh, Sang Cheul, Lee, Ju-Seog, Lee, Keun-Wook, Lee, Sung Sook, Kim, Sang-Bae, Sohn, Bo Hwa, Lee, Hyun-Sung, Jang, Hee-Jin, Park, Yun-Yong, Kopetz, Scott, Kim, Sung Soo, Oh, Sang Cheul, Lee, Ju-Seog
author_sort lee, keun-wook
container_issue 2
container_start_page 357
container_title Clinical Cancer Research
container_volume 21
description <jats:title>Abstract</jats:title> <jats:p>Purpose: Activation of YAP1, a novel oncogene in the Hippo pathway, has been observed in many cancers, including colorectal cancer. We investigated whether activation of YAP1 is significantly associated with prognosis or treatment outcomes in colorectal cancer.</jats:p> <jats:p>Experimental Design: A gene expression signature reflecting YAP1 activation was identified in colorectal cancer cells, and patients with colorectal cancer were stratified into two groups according to this signature: activated YAP1 colorectal cancer (AYCC) or inactivated YAP1 colorectal cancer (IYCC). Stratified patients in five test cohorts were evaluated to determine the effect of the signature on colorectal cancer prognosis and response to cetuximab treatment.</jats:p> <jats:p>Results: The activated YAP1 signature was associated with poor prognosis for colorectal cancer in four independent patient cohorts with stage I–III disease (total n = 1,028). In a multivariate analysis, the impact of the YAP1 signature on disease-free survival was independent of other clinical variables [hazard ratio (HR), 1.63; 95% confidence interval (CI), 1.25–2.13; P &amp;lt; 0.001]. In patients with stage IV colorectal cancer and wild-type KRAS, IYCC patients had a better disease control rate and progression-free survival (PFS) after cetuximab monotherapy than did AYCC patients; however, in patients with KRAS mutations, PFS duration after cetuximab monotherapy was not different between IYCC and AYCC patients. In multivariate analysis, the effect of YAP1 activation on PFS was independent of KRAS mutation status and other clinical variables (HR, 1.82; 95% CI, 1.05–3.16; P = 0.03).</jats:p> <jats:p>Conclusions: Activation of YAP1 is highly associated with poor prognosis for colorectal cancer and may be useful in identifying patients with metastatic colorectal cancer resistant to cetuximab. Clin Cancer Res; 21(2); 357–64. ©2014 AACR.</jats:p>
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spelling Lee, Keun-Wook Lee, Sung Sook Kim, Sang-Bae Sohn, Bo Hwa Lee, Hyun-Sung Jang, Hee-Jin Park, Yun-Yong Kopetz, Scott Kim, Sung Soo Oh, Sang Cheul Lee, Ju-Seog 1078-0432 1557-3265 American Association for Cancer Research (AACR) Cancer Research Oncology http://dx.doi.org/10.1158/1078-0432.ccr-14-1374 <jats:title>Abstract</jats:title> <jats:p>Purpose: Activation of YAP1, a novel oncogene in the Hippo pathway, has been observed in many cancers, including colorectal cancer. We investigated whether activation of YAP1 is significantly associated with prognosis or treatment outcomes in colorectal cancer.</jats:p> <jats:p>Experimental Design: A gene expression signature reflecting YAP1 activation was identified in colorectal cancer cells, and patients with colorectal cancer were stratified into two groups according to this signature: activated YAP1 colorectal cancer (AYCC) or inactivated YAP1 colorectal cancer (IYCC). Stratified patients in five test cohorts were evaluated to determine the effect of the signature on colorectal cancer prognosis and response to cetuximab treatment.</jats:p> <jats:p>Results: The activated YAP1 signature was associated with poor prognosis for colorectal cancer in four independent patient cohorts with stage I–III disease (total n = 1,028). In a multivariate analysis, the impact of the YAP1 signature on disease-free survival was independent of other clinical variables [hazard ratio (HR), 1.63; 95% confidence interval (CI), 1.25–2.13; P &amp;lt; 0.001]. In patients with stage IV colorectal cancer and wild-type KRAS, IYCC patients had a better disease control rate and progression-free survival (PFS) after cetuximab monotherapy than did AYCC patients; however, in patients with KRAS mutations, PFS duration after cetuximab monotherapy was not different between IYCC and AYCC patients. In multivariate analysis, the effect of YAP1 activation on PFS was independent of KRAS mutation status and other clinical variables (HR, 1.82; 95% CI, 1.05–3.16; P = 0.03).</jats:p> <jats:p>Conclusions: Activation of YAP1 is highly associated with poor prognosis for colorectal cancer and may be useful in identifying patients with metastatic colorectal cancer resistant to cetuximab. Clin Cancer Res; 21(2); 357–64. ©2014 AACR.</jats:p> Significant Association of Oncogene YAP1 with Poor Prognosis and Cetuximab Resistance in Colorectal Cancer Patients Clinical Cancer Research
spellingShingle Lee, Keun-Wook, Lee, Sung Sook, Kim, Sang-Bae, Sohn, Bo Hwa, Lee, Hyun-Sung, Jang, Hee-Jin, Park, Yun-Yong, Kopetz, Scott, Kim, Sung Soo, Oh, Sang Cheul, Lee, Ju-Seog, Clinical Cancer Research, Significant Association of Oncogene YAP1 with Poor Prognosis and Cetuximab Resistance in Colorectal Cancer Patients, Cancer Research, Oncology
title Significant Association of Oncogene YAP1 with Poor Prognosis and Cetuximab Resistance in Colorectal Cancer Patients
title_full Significant Association of Oncogene YAP1 with Poor Prognosis and Cetuximab Resistance in Colorectal Cancer Patients
title_fullStr Significant Association of Oncogene YAP1 with Poor Prognosis and Cetuximab Resistance in Colorectal Cancer Patients
title_full_unstemmed Significant Association of Oncogene YAP1 with Poor Prognosis and Cetuximab Resistance in Colorectal Cancer Patients
title_short Significant Association of Oncogene YAP1 with Poor Prognosis and Cetuximab Resistance in Colorectal Cancer Patients
title_sort significant association of oncogene yap1 with poor prognosis and cetuximab resistance in colorectal cancer patients
title_unstemmed Significant Association of Oncogene YAP1 with Poor Prognosis and Cetuximab Resistance in Colorectal Cancer Patients
topic Cancer Research, Oncology
url http://dx.doi.org/10.1158/1078-0432.ccr-14-1374