Abstract
The dynamics of plasma level of plasminogen-1 activator inhibitor (PAI-1) and frequency distribution of PAI-1 gene polymorphic locus 4G/5G genotypes and alleles were studied in male and female patients of different age with hemorrhagic fever complicated by renal syndrome of different severity. A significant elevation of PAI-1 level was recorded during fever in adult patients of mature age groups I and II with medium severe and severe uncomplicated disease, the elevation being followed by a significant reduction, except the oliguric and polyuric periods of medium severe form. In complicated disease, the concentration of PAI-1 was low during fever in patients of mature age group I, after which it increased significantly until the period of diuresis recovery; in patients of mature age group II it remained low, except the polyuria period. No appreciable age- or gender-related differences in frequency distributions of PAI-1 gene polymorphic locus 4G/5G genotypes and alleles in patients with disease of different severity were found; no differences from the control group by these parameters were revealed. The dynamics of PAI-1 plasma level in different forms of hemorrhagic fever with renal syndrome were not genetically determined and represented an adequate metabolic response to endotheliotropic virus.
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