Markers of inflammation and influence of nitric oxide on platelet activation in the course of  ulcerative colitis

Beata Gawrońska; Joanna Matowicka-Karna; Maciej Kralisz; Halina Kemona

doi:10.18632/oncotarget.19202

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Research Papers:

Markers of inflammation and influence of nitric oxide on platelet activation in the course of ulcerative colitis

Beata Gawrońska _, Joanna Matowicka-Karna, Maciej Kralisz and Halina Kemona

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Oncotarget. 2017; 8:68108-68114. https://doi.org/10.18632/oncotarget.19202

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Abstract

Beata Gawrońska1, Joanna Matowicka-Karna1, Maciej Kralisz2 and Halina Kemona1

1Department of Clinical Laboratory Diagnostics, Medical University of Bialystok, Białystok, Poland

2Department of Internal Diseases and Gastroenterology, The Sniadecki Regional Hospital in Bialystok, Białystok, Poland

Correspondence to:

Beata Gawrońska, email: [email protected]

Joanna Matowicka-Karna, email: [email protected]

Keywords: ulcerative colitis, platelet activation, nitric oxide, MMP-9, IL-6

Received: November 10, 2016 Accepted: June 19, 2017 Published: July 12, 2017

ABSTRACT

Ulcerative colitis is a non-specific inflammatory bowel disease of unknown etiology. We investigated whether severe form of ulcerative colitis may lead to increased number of platelets, changes in platelet parameters and their activation. To address our objectives, we measured concentrations of nitric oxide and markers of inflammation.

We found increased number of low-volume platelets in a group of affected patients. However, their activity was not as high as expected. In addition to that we observed eight times higher concentration of nitric oxide in patients suffering from ulcerative colitis than in healthy individuals. Besides, severe form of the disease manifested itself with increased concentrations of interleukine 6, matrix metalloproteinase-9 and neopterin.

Based on the results we propose that high amounts of nitric oxide inhibit platelet activation in severe form of ulcerative colitis. Moreover, our observations regarding interleukine 6, matrix metalloproteinase-9 and neopterin suggest that they may become useful markers of active form of ulcerative colitis.

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Research Papers:

Markers of inflammation and influence of nitric oxide on platelet activation in the course of ulcerative colitis

Abstract