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RGS16 Is a Marker for Prognosis in Colorectal Cancer

  • Translational Research and Biomarkers
  • Published:
Annals of Surgical Oncology Aims and scope Submit manuscript

Abstract

Background

The RGS family, comprising 22 homologues of proteins, plays a role in cellular proliferation, differentiation, membrane trafficking, and embryonic development through the involvement of the mitogen-activated protein kinase signaling pathway.

Methods

In order to demonstrate the importance of RGS16 expression for the prediction of prognosis of colorectal cancer (CRC), we analyzed RGS16 gene expression in 22 human gastrointestinal cell lines and 124 paired cases of CRC and noncancerous regions.

Results

RGS16 was expressed in 17 human gastrointestinal cancer cell lines examined in this study. RGS16 expression was higher in colorectal cancer tissue than in corresponding normal tissue (P < 0.001) in messenger RNA (mRNA) and protein levels. Patients in the RGS16 high-expression group showed a poorer overall survival rate than those in the low-expression group (P < 0.001), indicating that high RGS16 expression was an independent prognostic factor.

Conclusion

The present study suggests that RGS16 is useful as a predictive marker for patient prognosis of CRC.

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Authors and Affiliations

  1. Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan

    Norikatsu Miyoshi MD, Hideshi Ishii MD, PhD, Mitsugu Sekimoto MD, PhD, Yuichiro Doki MD, PhD & Masaki Mori MD, PhD, FACS

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  1. Norikatsu Miyoshi MD
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  2. Hideshi Ishii MD, PhD
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  3. Mitsugu Sekimoto MD, PhD
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  4. Yuichiro Doki MD, PhD
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  5. Masaki Mori MD, PhD, FACS
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Correspondence to Masaki Mori MD, PhD, FACS.

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Miyoshi, N., Ishii, H., Sekimoto, M. et al. RGS16 Is a Marker for Prognosis in Colorectal Cancer. Ann Surg Oncol 16, 3507–3514 (2009). https://doi.org/10.1245/s10434-009-0690-3

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