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  • Title: Serum FBLN1 and STK31 as biomarkers of colorectal cancer and their ability to noninvasively differentiate colorectal cancer from benign polyps.
    Author: Watany MM, Elmashad NM, Badawi R, Hawash N.
    Journal: Clin Chim Acta; 2018 Aug; 483():151-155. PubMed ID: 29715435.
    Abstract:
    PURPOSE: The aim of this work is to evaluate Fibulin-1 (FBLN1) and serine threonine kinase-31 (STK31) as colorectal cancer (CRC) tumour markers and their ability to differentiate it from colorectal benign lesions. MATERIAL AND METHODS: In this case-control study, FBLN1 and STK31 serum levels were measured in 120 participants; 49 CRC patients (group I), 26 patients with benign colorectal polyps (group II) and 45 healthy controls (group III). RESULTS: The means of serum FBLN1 were 1.02 ± 0.95, 6.36 ± 2.55 and 6.26 ± 2.76 in group I, II and III respectively. Significant lower levels were found in group I compared to group II and III (both p < 0.001) with no significant difference between group II and III (p = .983). The means of serum STK31 were 13.51 ± 7.67, 5.98 ± 3.3 and 1.37 ± 1.22 in group I, II and III respectively with significant differences in-between the 3 groups (p < 0.001). Both FBLN1 and STK31 were superior to CEA as CRC screening biomarkers; with sensitivity 90.1% and 93% respectively and specificity 93.9% and 95.9% respectively. FBLN1 differentiated CRC from benign polyps with 91.8% sensitivity and 100% specificity. STK31 differentiated CRC from benign polyps with 93.9% sensitivity and 84.6% specificity. CONCLUSION: FBLN1 and STK31 can be possible screening and differentiating biomarkers of CRC.
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