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Diagnostic value of measurement of SARP2 methylation in peripheral blood for detection of pancreatic cancer

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Author:
No author available
Journal Title:
CHINESE JOURNAL OF PANCREATOLOGY
Issue:
4
DOI:
10.3760/cma.j.issn.1674-1935.2009.04.004
Key Word:
胰腺肿瘤;DNA甲基化;SARP2基因;Pancreatic neoplasms;DNA methylation;SARP2 genes

Abstract: Objective To investigate the diagnostic value of measurement of SARP2 methylation in peripheral blood for detection of pancreatic cancer in human. Methods Peripheral vein blood of 12 patients with primary pancreatic cancers, 10 patients with chronic pancreatitis and 6 health volunteers were collected. Serum free DNA were extracted from blood samples, and were modified with bisulfate, and SARP2 gene extron 1 were amplified through BSP and sequencing of the production. Results There were 12 patients (83 %) with pancreatic cancer and 10 patients (40%) with chronic pancreatitis had obvious methylation in SARP2 gene in peripheral blood. The rate of CpG methylation in SARP2 gene extron 1 of pancreatic cancer, chronic pancreatitis and health volunteers was 16. 8% , 10. 4% and 2. 2% respectively. There was statistically significant difference among the three groups (P<0.01 or P< 0.05). Conclusions Aberrant methylation of SARP2 gene could be detected in peripheral blood in patients with pancreatic cancer, the detection of SARP2 gene methylation may have potential clinical implication for diagnosis of pancreatic cancer.

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