Abstract:
:Background: The predictive roles of secreted protein acidic and rich in cysteine (SPARC) in pancreatic ductal adenocarcinoma (PDAC) patients after curative resection have not been clarified. We investigated the correlations between the SPARC expression and the postoperative prognosis. Methods: We retrospectively analyzed the clinical data from consecutive patients who underwent curative resection for pancreatic cancer in our institution from 2005 to 2014. Stromal SPARC expression was analyzed by immunohistochemistry on tumor tissue microarrays (TMAs) from the patients. Results: A total of 179 patients were enrolled to this study. The median follow-up period of the present study was 62.1 months. Seventy patients had positive SPARC expression (39.1%). There were no significant differences between the positive SPARC-positive group and the SPARC-negative group. In the survival analysis, there was a significant difference between the SPARC-positive and SPARC-negative groups in the 5-year overall survival (OS) rates after surgery, which were 8.1% and 19.8%, respectively (p=0.0316). A univariate analysis showed that the SPARC expression, size of tumor, lymph node metastasis, and residual tumor were possible prognostic factors. A multivariate analysis showed that the SPARC expression (hazard ratio [HR]: 1.44, 95% confidence interval [CI]: 1.017-2.051), lymph node metastasis (HR: 2.019, 95% CI: 1.318-3.091), and residual tumor (HR: 1.648, 95% CI: 1.132-2.401) were independent prognostic factors. Conclusions: The stromal SPARC expression in resectable pancreatic cancer patients might be useful as a prognostic marker.
journal_name
J Cancerjournal_title
Journal of Cancerauthors
Murakawa M,Aoyama T,Miyagi Y,Kobayashi S,Ueno M,Morimoto M,Numata M,Yamamoto N,Tamagawa H,Yukawa N,Rino Y,Masuda M,Morinaga Sdoi
10.7150/jca.28660subject
Has Abstractpub_date
2019-01-01 00:00:00pages
627-633issue
3issn
1837-9664pii
jcav10p0627journal_volume
10pub_type
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