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Poster presentations: Clinical: Diagnosis and Outcome 2020

P187 The significance of netrin-1 level in the clinical activity of ulcerative colitis, its association between TNF-α and IL-6

H. Korkmaz1, K. Fidan2

1Department of Internal Medicine, Division of Gastroenterology, selcuk Universitesi Selcuklu Tip Fak, Konya, Turkey, 2Department of Internal Medicine, Selcuk University Medical School, Konya, Turkey

Background

In this study, we investigated the importance of netrin-1 levels in ulcerative colitis (UC) in clinical activity of the disease, and its association with other proinflammatory cytokines IL-6 and TNF-α.

Methods

This study is a type of case–control study. Sixty-seven patients with UC (36 of them activation, 31 of remission) and 50 healthy controls were included in the study. UC patients; ‘Truelove Witts clinical activity index by remission (n = 31), mild activation (n = 21), moderate activation (n = 6) and severe activation (n = 9) were divided into groups. Netrin, IL-6 and TNF-α measurements in plasma samples were performed using enzyme-linked immunosorbent assay kit.

Results

Between the patient group and the control group; there was a statistically significant difference between netrin-1, IL-6, TNF-α, neutrophil, platelet (p < 0.05 for all). The plasma netrin-1 mean of UC with severe activation group (139.21 ± 48.09 pg/ml) was statistically significantly higher than that of the mild activation (p = 0,037), remission group (p = 0,001) and control group(p = 0,011). The plasma netrin-1 mean of UC with moderate activation group was statistically significantly higher than that of the mild activation(p = 0,045) and remission group(p = 0,004).

Conclusion

Our results reveal that plasma netrin-1 levels have been shown to be associated with UC activation, similar to proinflammatory cytokines such as TNF-α and IL-6, in UC.