Ukr.Biochem.J. 2021; Volume 93, Issue 4, Jul-Aug, pp. 103-110

doi: doi: https://doi.org/10.15407/ubj93.04.103

Identification of cortactin molecular forms in human urine and their possible diagnostic value

10.09.2021   Uncategorized   No comments

M. Starykovych1, S. Souchelnytskyi2, O. Fayura3, O. Abrahamovych3,
M. Abrahamovych3, N. Lukavetskyy4, R. Stoika1, Y. Kit1*

1Department of Regulation of Cell Proliferation and Apoptosis, Institute of Cell Biology, National Academy of Scoences of Ukraine;
2College of Medicine, QU Health, Qatar University, Doha, Qatar;
3Department of Internal Medicine № 1, Danylo Halytsky Lviv National Medical University, Ukraine;
4Lviv State Oncology Regional Treatment and Diagnostic Center, Lviv, Ukraine;
*e-mail: kit@cellbiol.lviv.ua

Received: 14 September 2020; Accepted: 07 July 2021

The protein composition of human urine reflects changes in the biochemical and physiological status of an individual and has an essential diagnostic value. Using precipitation/extraction methods we isolated a protein with Mr ~100 kDa in a human urine. MALDI TOF/TOF mass spectrometry identified this protein as human Src protein kinase substrate cortactin (UniProtKB/Swiss-Prot: Q14247). Screening of urine samples using Western blotting with specific anti-human cortactin antibodies revealed   different proteins immunologically related to cortactin in healthy humans and patients with liver cirrhosis and lung cancer diseases.  These data  suggest that the level of cortacins isoform in urine might serve as a potential marker for testing acute and systemic diseases.

Keywords: , , ,

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