Vadim Ryzhaenkov

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Background Vitamin D status in groups of northern indigenous people of Russia leading close to traditional (seminomadic reindeer herding), post-traditional (in settlements) or "modernized" (in towns) way of life was analysed. Design The survey study groups consisted of 178 Nenets and Komi aged 18-60 living in the Arctic (66-67°N). Urban Komi, Udmurts and(More)
The correlations between the serum concentration of 25-hydroxyvitamin D (25(OH)D) and the blood levels of total cholesterol (TC), high-density lipoprotein cholesterol, triglycerides (TG), and apolipoprotein E were analyzed in young non-overweight men (n = 40) and women (n = 61) aged 14–23 years having no acute or active chronic diseases. The measured(More)
It has been shown that the mechanisms of immunity play an important role in the pathogenesis of tick-borne encephalitis and stipulate the clinical polymorphism of this disease, the degree of lesions in nervous system, and the outcome of the pathological process [1–3]. Reports about the possible damaging of immune cells by the tick-borne encephalitis virus(More)
Seasonal and geographical variability in blood serum concentration of 25-OHD3 among the residents of the Perm Territory, Komi and Udmurtia Republics (327 subjects in total) were investigated. The mean values of serum 25-OHD3 concentrations in 13-16 years old adolescents vary from 31.1 to 49.6 nmol/l, in adults from 39.7 to 47.7 nmol/l. They are within the(More)
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