TIMP-1 is a novel serum biomarker for the diagnosis of colorectal cancer: A meta-analysis

Chunyan Meng, Xiaowei Yin, Jingting Liu, Kaifeng Tang, Hongchao Tang and Jianhua Liao

PLOS ONE, 2018, vol. 13, issue 11, 1-15

Abstract: Purpose: Tissue inhibitor of metalloproteinase-1 (TIMP-1) is a glycoprotein involved in cell survival and tumorigenesis. There have been some promising results regarding the diagnostic value of TIMP-1 for patients with colorectal cancer (CRC). The aim of the present study was to assess the diagnostic accuracy and clinical utility of serum TIMP-1 in CRC patients through meta-analysis. Methods: A systematic search of online databases was performed to collect eligible studies. The pooled sensitivity, specificity, diagnostic odds ratio (DOR), and summary receiver operator characteristic (SROC) curve were generated from accuracy data using the random-effects model. Fagan’s nomogram and the likelihood matrix were applied to estimate the clinical utility of TIMP-1. Results: A total of 9 eligible studies with 1886 patients were included. Among the patients, 819 were pathologically diagnosed with CRC, whereas 1067 did not have adenomas or other cancers. The overall sensitivity, specificity, and DOR of TIMP-1 for the diagnosis of CRC were 0.65 (95% confidence interval (CI): 0.57–0.72), 0.87 (95% CI: 0.76–0.94), and 12.73 (95% CI 5.71–28.38), respectively. The area under the SROC was 0.77 (95% CI, 0.73–0.81), suggesting the potential diagnostic value of TIMP-1 in CRC patients. Among patients with a pretest CRC probability of 20%, posttest probabilities were 56% and 9% for positive and negative TIMP-1 results, respectively. Conclusions: TIMP-1 expression exhibits an upper moderate diagnostic value in CRC, and TIMP-1 assessment may be useful as a noninvasive screening tool for CRC in clinical practice.

Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0207039

DOI: 10.1371/journal.pone.0207039

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