Журнал зарегистрирован в Федеральной службе по надзору в сфере связи, информационных технологий и массовых коммуникаций (Роскомнадзор), свидетельство о регистрации ПИ №ФС77-65159 от 28 марта 2016 г. Учредитель: федеральное государственное бюджетное образовательное учреждение высшего образования «Кемеровский государственный медицинский университет» Министерства здравоохранения Российской Федерации
IgM and IgG antibodies to the SARS-CoV-2 virus are detected in subjects who have recovered from COVID-19; IgM antibodies persist in a 1/3 of infected subjects up to 12 months from the moment of the disease, while IgG antibodies are present in the vast majority of cases (97%; medium and high levels antibodies were registered in 85% of cases). By the 12th month, 40% of those who recovered still have a very high level of IgG antibodies to the S-protein (>500 BAU/ml). In the feces, urine, and blood serum of patients with long-term persistent IgM antibodies, no coronavirus antigens were detected. After vaccination with the Gam-COVID-Vac vaccine, IgG antibodies to the S-protein are detected in 100% of cases and remain at a high level for 4 months, by the 5-6th month, the level of antibodies decreases. During revaccination, the level of IgG antibodies to S-protein reaches high values earlier than during primary vaccination, and remains high for 4 months (observation period). The blood sera of recovered and vaccinated patients have a high virus-neutralizing activity (at least 1:80), while its level is somewhat higher in recovered patients.
Moxifloxacin and imunofan peptide concentrations - dependent Clostridium difficile growth rate was analyzed in vitro. In the course of our study, it was revealed imunofan peptide at concentrations 0.05, 0.25 μg/ml has antimicrobial characteristics against toxigenic C. difficile strain. At the same time, with the peptide and the antibiotic combined interaction, we observed moxifloxacin concentration 0-1.5 MIC stimulates C. difficile growth, regardless of the imunofan concentration. Concentrations of maximum growth inhibition for C. difficile were also established with the combined effects peptide imunofan and antibiotic moxifloxacin - 1.5 μg/ml and 2.5 MIC, respectively.
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