Low expression of the GOPC is a poor prognostic marker in colorectal cancer

Nobuyoshi Ohara, Naotsugu Haraguchi, Jun Koseki, Yujiro Nishizawa, Kenji Kawai, Hidekazu Takahashi, Junichi Nishimura, Taishi Hata, Tsunekazu Mizushima, Hirofumi Yamamoto, Hideshi Ishii, Yuichiro Doki, Masaki Mori

Research output: Contribution to journalArticle

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Abstract

The Golgi-associated PDZ-and coiled-coil motif-containing (GOPC) protein controls the intracellular trafficking of numerous integral membrane proteins. Knockdown of GOPC increases activation of the mitogen-activated protein kinase-extracellular signal-regulated kinase 1/2 pathway and cancer cell progression in colorectal cancer. The present study aimed to clarify the correlation between GOPC expression and prognosis in colorectal cancer. Total RNA was extracted from 153 clinical colorectal cancer specimens and GOPC expression was evaluated using reverse transcription-quantitative polymerase chain reaction. The correlation between GOPC expression and clinicopathological factors was analyzed, along with the association of GOPC expression with overall survival (OS) and with recurrence-free survival (RFS). Lower expression of GOPC was significantly associated with a high frequency of venous invasion (P=0.001) and to poorer OS and RFS based on Kaplan-Meier analysis. In addition, multivariate analyses using a Cox proportional hazards model identified lower expression of GOPC to be an independent prognostic factor for colorectal cancer (hazard ratio=2.800; 95% confidence interval; 1.121-7.648; P=0.027). Lower expression of GOPC revealed a high frequency of venous invasion and associated with poorer prognosis for patients with colorectal cancer.

Original languageEnglish
Pages (from-to)4483-4490
Number of pages8
JournalOncology Letters
Volume14
Issue number4
DOIs
Publication statusPublished - Jan 1 2017

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Colorectal Neoplasms
Survival
Recurrence
Mitogen-Activated Protein Kinase 3
Mitogen-Activated Protein Kinase 1
Kaplan-Meier Estimate
Mitogen-Activated Protein Kinases
Proportional Hazards Models
Reverse Transcription
Membrane Proteins
Multivariate Analysis
RNA
Confidence Intervals
Polymerase Chain Reaction
Neoplasms
Proteins

All Science Journal Classification (ASJC) codes

  • Oncology
  • Cancer Research

Cite this

Ohara, N., Haraguchi, N., Koseki, J., Nishizawa, Y., Kawai, K., Takahashi, H., ... Mori, M. (2017). Low expression of the GOPC is a poor prognostic marker in colorectal cancer. Oncology Letters, 14(4), 4483-4490. https://doi.org/10.3892/ol.2017.6817

Low expression of the GOPC is a poor prognostic marker in colorectal cancer. / Ohara, Nobuyoshi; Haraguchi, Naotsugu; Koseki, Jun; Nishizawa, Yujiro; Kawai, Kenji; Takahashi, Hidekazu; Nishimura, Junichi; Hata, Taishi; Mizushima, Tsunekazu; Yamamoto, Hirofumi; Ishii, Hideshi; Doki, Yuichiro; Mori, Masaki.

In: Oncology Letters, Vol. 14, No. 4, 01.01.2017, p. 4483-4490.

Research output: Contribution to journalArticle

Ohara, N, Haraguchi, N, Koseki, J, Nishizawa, Y, Kawai, K, Takahashi, H, Nishimura, J, Hata, T, Mizushima, T, Yamamoto, H, Ishii, H, Doki, Y & Mori, M 2017, 'Low expression of the GOPC is a poor prognostic marker in colorectal cancer', Oncology Letters, vol. 14, no. 4, pp. 4483-4490. https://doi.org/10.3892/ol.2017.6817
Ohara N, Haraguchi N, Koseki J, Nishizawa Y, Kawai K, Takahashi H et al. Low expression of the GOPC is a poor prognostic marker in colorectal cancer. Oncology Letters. 2017 Jan 1;14(4):4483-4490. https://doi.org/10.3892/ol.2017.6817
Ohara, Nobuyoshi ; Haraguchi, Naotsugu ; Koseki, Jun ; Nishizawa, Yujiro ; Kawai, Kenji ; Takahashi, Hidekazu ; Nishimura, Junichi ; Hata, Taishi ; Mizushima, Tsunekazu ; Yamamoto, Hirofumi ; Ishii, Hideshi ; Doki, Yuichiro ; Mori, Masaki. / Low expression of the GOPC is a poor prognostic marker in colorectal cancer. In: Oncology Letters. 2017 ; Vol. 14, No. 4. pp. 4483-4490.
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