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Prognostic Value of Yes-Associated Protein 1 (YAP1) in Various Cancers: A Meta-Analysis
BACKGROUND: Yes-associated protein 1 (YAP1) is an effector of Hippo pathway, which is critical for regulating organ size, cell proliferation and tumor growth in mammals. Many previous studies have explored the relationship between YAP1 and various types of cancer. However, these studies were limited...
Autores principales: | , , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Public Library of Science
2015
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4532485/ https://www.ncbi.nlm.nih.gov/pubmed/26263504 http://dx.doi.org/10.1371/journal.pone.0135119 |
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author | Sun, Zhenqiang Xu, Ruiwei Li, Xiayu Ren, Weiguo Ou, Chunlin Wang, Qisan Zhang, Han Zhang, Xuemei Ma, Jian Wang, Haijiang Li, Guiyuan |
author_facet | Sun, Zhenqiang Xu, Ruiwei Li, Xiayu Ren, Weiguo Ou, Chunlin Wang, Qisan Zhang, Han Zhang, Xuemei Ma, Jian Wang, Haijiang Li, Guiyuan |
author_sort | Sun, Zhenqiang |
collection | PubMed |
description | BACKGROUND: Yes-associated protein 1 (YAP1) is an effector of Hippo pathway, which is critical for regulating organ size, cell proliferation and tumor growth in mammals. Many previous studies have explored the relationship between YAP1 and various types of cancer. However, these studies were limited by the small samples size and the findings were inconsistent among them. Therefore, a meta-analysis was conducted to assess the association between YAP1 and malignancies. METHODS: A systematic literature search was conducted for eligible studies in the PubMed, Corchane Library, Web of Knowledge, EMBASE and CBM disc databases from inception to August 1(st) 2014. After heterogeneity analysis, pooled harzad ratio (HR) with 95% confidence interval (95%CI) using both fixed and random effect models were estimated in STATA 10.0. Meta regression analysis, subgroup analysis and sensitivity analysis were performed to explore the potential sources of heterogeneity and to evaluate the robustness of the result. Publication bias was assessed by Egger’s test and funnel plot. RESULTS: A total of 21 unique articles from 2009 to 2014, comprising 2983 patients, were analyzed in the meta-analysis. The association of YAP1 expression and overall survival time (OS) was evaluated in 20 studies including 2067 patients. Positive YAP1 showed poorer OS (HR = 1.826; 95% CI = 1.465–2.275; p <0.002). For evaluating disease-free survival time (DFS), 10 studies with 1139 patients were analyzed. Positive YAP1 indicated worse DFS (HR = 2.114; 95%CI = 1.406–3.179; p <0.001). Subgroup analysis showed that both positive nuclear YAP1 (HR = 1.390, 95% CI: 0.810–2.400, p = 0.729) and up-regulation overall YAP1 (HR = 2.237, 95% CI: 1.548–3.232, p <0.001) had poorer OS for patients with malignancies. Similarly, both positive nuclear YAP1 (HR = 3.733, 95% CI: 1.469–9.483, p = 0.001) and up-regulation overall YAP1 (HR = 1.481, 95% CI: 1.163–1.886, p = 0.554) showed worse DFS. The patients with urogenital system cancer had the poorest OS (HR = 2.133, 95% CI: 1.549–2.937, p = 0.020). The patients with alimentary system cancer had the most significant impact on DFS (HR = 1.879, 95% CI: 1.537–2.297, p <0.001). CONCLUSION: Both overall and nuclear YAP1 overexpression are intimately associated with adverse OS and DFS in numerous cancers, suggesting that YAP1 may act as a potential therapeutic targets of these malignancies in the future. |
format | Online Article Text |
id | pubmed-4532485 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2015 |
publisher | Public Library of Science |
record_format | MEDLINE/PubMed |
spelling | pubmed-45324852015-08-20 Prognostic Value of Yes-Associated Protein 1 (YAP1) in Various Cancers: A Meta-Analysis Sun, Zhenqiang Xu, Ruiwei Li, Xiayu Ren, Weiguo Ou, Chunlin Wang, Qisan Zhang, Han Zhang, Xuemei Ma, Jian Wang, Haijiang Li, Guiyuan PLoS One Research Article BACKGROUND: Yes-associated protein 1 (YAP1) is an effector of Hippo pathway, which is critical for regulating organ size, cell proliferation and tumor growth in mammals. Many previous studies have explored the relationship between YAP1 and various types of cancer. However, these studies were limited by the small samples size and the findings were inconsistent among them. Therefore, a meta-analysis was conducted to assess the association between YAP1 and malignancies. METHODS: A systematic literature search was conducted for eligible studies in the PubMed, Corchane Library, Web of Knowledge, EMBASE and CBM disc databases from inception to August 1(st) 2014. After heterogeneity analysis, pooled harzad ratio (HR) with 95% confidence interval (95%CI) using both fixed and random effect models were estimated in STATA 10.0. Meta regression analysis, subgroup analysis and sensitivity analysis were performed to explore the potential sources of heterogeneity and to evaluate the robustness of the result. Publication bias was assessed by Egger’s test and funnel plot. RESULTS: A total of 21 unique articles from 2009 to 2014, comprising 2983 patients, were analyzed in the meta-analysis. The association of YAP1 expression and overall survival time (OS) was evaluated in 20 studies including 2067 patients. Positive YAP1 showed poorer OS (HR = 1.826; 95% CI = 1.465–2.275; p <0.002). For evaluating disease-free survival time (DFS), 10 studies with 1139 patients were analyzed. Positive YAP1 indicated worse DFS (HR = 2.114; 95%CI = 1.406–3.179; p <0.001). Subgroup analysis showed that both positive nuclear YAP1 (HR = 1.390, 95% CI: 0.810–2.400, p = 0.729) and up-regulation overall YAP1 (HR = 2.237, 95% CI: 1.548–3.232, p <0.001) had poorer OS for patients with malignancies. Similarly, both positive nuclear YAP1 (HR = 3.733, 95% CI: 1.469–9.483, p = 0.001) and up-regulation overall YAP1 (HR = 1.481, 95% CI: 1.163–1.886, p = 0.554) showed worse DFS. The patients with urogenital system cancer had the poorest OS (HR = 2.133, 95% CI: 1.549–2.937, p = 0.020). The patients with alimentary system cancer had the most significant impact on DFS (HR = 1.879, 95% CI: 1.537–2.297, p <0.001). CONCLUSION: Both overall and nuclear YAP1 overexpression are intimately associated with adverse OS and DFS in numerous cancers, suggesting that YAP1 may act as a potential therapeutic targets of these malignancies in the future. Public Library of Science 2015-08-11 /pmc/articles/PMC4532485/ /pubmed/26263504 http://dx.doi.org/10.1371/journal.pone.0135119 Text en © 2015 Sun et al http://creativecommons.org/licenses/by/4.0/ This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited. |
spellingShingle | Research Article Sun, Zhenqiang Xu, Ruiwei Li, Xiayu Ren, Weiguo Ou, Chunlin Wang, Qisan Zhang, Han Zhang, Xuemei Ma, Jian Wang, Haijiang Li, Guiyuan Prognostic Value of Yes-Associated Protein 1 (YAP1) in Various Cancers: A Meta-Analysis |
title | Prognostic Value of Yes-Associated Protein 1 (YAP1) in Various Cancers: A Meta-Analysis |
title_full | Prognostic Value of Yes-Associated Protein 1 (YAP1) in Various Cancers: A Meta-Analysis |
title_fullStr | Prognostic Value of Yes-Associated Protein 1 (YAP1) in Various Cancers: A Meta-Analysis |
title_full_unstemmed | Prognostic Value of Yes-Associated Protein 1 (YAP1) in Various Cancers: A Meta-Analysis |
title_short | Prognostic Value of Yes-Associated Protein 1 (YAP1) in Various Cancers: A Meta-Analysis |
title_sort | prognostic value of yes-associated protein 1 (yap1) in various cancers: a meta-analysis |
topic | Research Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4532485/ https://www.ncbi.nlm.nih.gov/pubmed/26263504 http://dx.doi.org/10.1371/journal.pone.0135119 |
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