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Название |
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Индекс цитирования |
Ссылка на источник |
Clinical and immunological efficacy of conjugated pneumococcal vaccine in children with compensated chronic tonsillitis
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01.03.2018 |
Ababiy I.
Danilov L.
Ginda S.
Manyuk M.
Ababiy P.
Kostinov M.
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Pediatriya - Zhurnal im G.N. Speranskogo |
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0 |
Ссылка
© 2018, Pediatria Ltd. All rights reserved. The article presents results of conjugated pneumococcal vaccine use in combination with basic therapy in 64 children with chronic compensated tonsillitis. The study showed that vaccination assists activation of T-lymphocytes subpopulation, increases sensitization to bacterial antigens, normalization of proinflammatory cytokines content, which is clinically manifested in a significant decrease in acute respiratory infections incidences and antibacterial therapy courses for 2 years after vaccination compared to patients receiving a traditional therapy course.
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Immunochemical and protective properties of Conjugated Capsular polysaccharide of Streptococcus pneumoniae Serotype 9N
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01.01.2018 |
Nuriev R.
Galvidis I.
Yastrebova N.
Burkin M.
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Biotekhnologiya |
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Ссылка
© 2018. Conjugates of Streptococcus pneumoniae type 9N capsular polysaccharide with tetanus toxoid have been prepared. Their interactions with specific antibodies to tetanus toxoid and polysaccharide 9N were assessed, which permitted to select a conjugate with the optimal ratio of the polysaccharide and carrier protein (3:4). The parameters of the efficient adsorption of tetanus toxoid and polysaccharide on aluminum hydroxide for the following in vivo experiments were determined using the quantitative ELISA; in particular, the optimum ratio of the conjugate and adjuvant was proved be ≤ 1:1 (w/w). The repetitive immunization with the selected conjugate adsorbed on aluminum hydroxide increased the anti-PS antibody titers up to 70400 (p < 0,001) which is 140-fold higher as compared to the antigen unconjugated form. The investigation of the antibody protection from Streptococcus pneumoniae 9N after the intranasal challenge of wild-type mice revealed that the titer of the bacterial contamination in the immunized mouse lung tissue was 10-fold lower than that in non-immune mice 72 h after the contamination (p > 0,05).
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Long-term clinical efficacy and a possible mechanism of action of different modes of pneumococcal vaccination in asthma patients
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01.01.2018 |
Protasov A.
Zhestkov A.
Kostinov M.
Korymasov E.
Shteyner M.
Tezikov Y.
Lipatov I.
Reshetnikova V.
Lavrent'Yeva N.
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Pulmonologiya |
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Ссылка
© 2018 Medical Education. All rights reserved. The aim of this study was to assess long-term effects of pneumococcal vaccination with 23-valent polysaccharide vaccine (PPV23) and 13-valent conjugate vaccine (PCV13) in patients with bronchial asthma. Methods. One hundred and three patients with mild to severe asthma were involved. They were randomly assigned to vaccination with PCV13, or PPV23, or PPV23 followed by PCV13, or vice versa. Clinical efficacy of vaccination was evaluated using number of asthma exacerbation a year before and 1 and 4 years after the vaccination; need in antibiotics a year before and 1 and 4 years after the vaccination; and number of hospitalizations due to asthma exacerbation a year before and 1 and 4 years after the vaccination. Results. In a year after vaccination, number of patients who had not experienced asthma exacerbation increased significantly in PPV23, PPV23/PCV13, and PCV13/PPV23 groups (p < 0.01 to p < 0.001). In 4 years after vaccination, number of patients without exacerbations increased significantly in PCV13/PPV23 group only (48.1%; p < 0.01). Number of patients who did not require hospitalization due to asthma exacerbation increased significantly in PCV13 group only (81.8%; p < 0.05). Conclusion. The authors proposed a hypothesis of impact of pneumococcal vaccines on immunopathogenesis of bronchial asthma. The authors consider vaccination against pneumococcus using PCV13 followed by PPV23 should be a part of the basic therapy of asthma.
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