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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">biopreparat</journal-id><journal-title-group><journal-title xml:lang="ru">БИОпрепараты. Профилактика, диагностика, лечение</journal-title><trans-title-group xml:lang="en"><trans-title>Biological Products. Prevention, Diagnosis, Treatment</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2221-996X</issn><issn pub-type="epub">2619-1156</issn><publisher><publisher-name>Scientific Centre for Expert Evaluation of Medicinal Products</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.30895/2221-996X-2023-23-3-333-347</article-id><article-id custom-type="elpub" pub-id-type="custom">biopreparat-488</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL ARTICLES</subject></subj-group></article-categories><title-group><article-title>Влияние коклюшного токсина и липоолигосахарида Bordetella pertussis на специфическую токсичность и защитную активность цельноклеточной коклюшной вакцины</article-title><trans-title-group xml:lang="en"><trans-title>Effects of pertussis toxin and Bordetella pertussis lipo-oligosaccharide on the specific toxicity and potency of whole-cell pertussis vaccines</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5586-2933</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Алексеева</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Alekseeva</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Алексеева Ирина Андреевна, д-р. мед. наук</p><p>Петровский б-р, д. 8, стр. 2, 127051, Москва, Российская Федерация</p></bio><bio xml:lang="en"><p>Irina A. Alekseeva, Dr. Sci. (Med.)</p><p>8/2 Petrovsky Blvd, Moscow 127051, Russian Federation</p></bio><email xlink:type="simple">AlekseevaI@expmed.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0001-8002-2407</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ибрагимхалилова</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Ibragimkhalilova</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ибрагимхалилова Ильхамья Вейсаловна, канд. биол. наук</p><p>Петровский б-р, д. 8, стр. 2, 127051, Москва, Российская Федерация</p></bio><bio xml:lang="en"><p>Ilkhamya V. Ibragimkhalilova, Cand. Sci. (Biol)</p><p>8/2 Petrovsky Blvd, Moscow 127051, Russian Federation</p></bio><email xlink:type="simple">ibragimhalilova@expmed.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0003-4061-8892</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лепихова</surname><given-names>Д. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Lepekhova</surname><given-names>D. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Лепихова Дарья Николаевна</p><p>Петровский б-р, д. 8, стр. 2, 127051, Москва, Российская Федерация</p></bio><bio xml:lang="en"><p>Darya N. Lepekhova</p><p>8/2 Petrovsky Blvd, Moscow 127051, Russian Federation</p></bio><email xlink:type="simple">lepihovadn@expmed.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Федеральное государственное бюджетное учреждение «Научный центр экспертизы средств медицинского применения» Министерства здравоохранения Российской Федерации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Scientific Centre for Expert Evaluation of Medicinal Products</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>13</day><month>09</month><year>2023</year></pub-date><volume>23</volume><issue>3</issue><fpage>333</fpage><lpage>347</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Алексеева И.А., Ибрагимхалилова И.В., Лепихова Д.Н., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Алексеева И.А., Ибрагимхалилова И.В., Лепихова Д.Н.</copyright-holder><copyright-holder xml:lang="en">Alekseeva I.A., Ibragimkhalilova I.V., Lepekhova D.N.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.biopreparations.ru/jour/article/view/488">https://www.biopreparations.ru/jour/article/view/488</self-uri><abstract><sec><title>Актуальность</title><p>Актуальность. Главными факторами, определяющими реактогенность коклюшной цельноклеточной вакцины, принято считать содержание липоолигосахарида Bordetella pertussis и остаточное содержание активного коклюшного токсина. Изучение токсического воздействия коклюшных компонентов бактериальной клетки B. pertussis на основные показатели качества цельноклеточной коклюшной вакцины (защитную активность и специфическую токсичность — термины, принятые в рекомендациях ВОЗ и Европейской фармакопее) актуально и необходимо для повышения качества препарата.</p></sec><sec><title>Цель</title><p>Цель. Изучение токсического влияния липоолигосахарида B. pertussis и остаточного количества активного коклюшного токсина, присутствующих в цельноклеточной адсорбированной коклюшно-дифтерийно-столбнячной вакцине, на специфическую токсичность и защитную активность препарата.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Исследовали 57 коммерческих серий адсорбированной коклюшно-дифтерийно-столбнячной вакцины на соответствие показателей качества требованиям нормативной документации. К группе 1 отнесли серии, не выдержавшие испытания по показателю «Специфическая токсичность»; к группе 2 — соответствующие требованиям. Защитную активность определяли в тесте экспериментального менингоэнцефалита на мышах линии F1 CBA×C57Bl/6j, иммунизированных АКДС- и референс-вакцинами. Специфическую токсичность препарата определяли в тесте изменения массы тела мышей после внутрибрюшинного введения вакцины АКДС. Токсическое действие липоолигосахарида оценивали опосредованно — через изменение массы тела мышей в первые 16–24 ч; коклюшного токсина — на 7-е сутки. Корреляционный анализ тесноты связи между установленными показателями токсического действия исследуемых компонентов и показателями специфической токсичности и защитной активности, полученными в этих же сериях вакцины, проводили при помощи коэффициента ранговой корреляции Спирмена.</p></sec><sec><title>Результаты</title><p>Результаты. Опосредованно определили токсическое действие липоолигосахарида и остаточного количества активного коклюшного токсина в исследуемых сериях. Коэффициенты корреляции между показателями специфической токсичности и защитной активности вакцины и показателями токсического действия липоолигосахарида составили 0,113 (р&gt;0,05) и 0,049 (р&gt;0,05) соответственно, для коклюшного токсина — 0,595 (р&lt;0,01) и –0,534 (р&lt;0,01) соответственно.</p></sec><sec><title>Выводы</title><p>Выводы. Выявили и оценили токсическое действие липоолигосахарида B. pertussis и остаточного количества активного коклюшного токсина в цельноклеточной вакцине; установили обратную корреляционную связь между защитной активностью вакцины и токсическим действием остаточного уровня активного коклюшного токсина. Тесты продемонстрировали, что показатель, оценивающий специфическую токсичность цельноклеточной коклюшной вакцины, не отражает присутствие и содержание липоолигосахарида в вакцине. Опираясь на результаты исследования, можно утверждать, что в производственных коклюшных штаммах, используемых для изготовления цельноклеточной коклюшной вакцины, целесообразно определять содержание липоолигосахарида B.pertussis, что в Российской Федерации в настоящее время не принято.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Scientific relevance</title><p>Scientific relevance. The content of Bordetella pertussis lipo-oligosaccharide (LOS) and the residual levels of active pertussis toxin (PT) are generally accepted to be the primary factors that determine the reactogenicity of whole-cell pertussis vaccines. To improve the quality of whole-cell pertussis vaccines, it is both relevant and necessary to study the relationship between the toxicity of B. pertussis bacterial cell components and the main quality parameters of these vaccines, including their potency and specific toxicity, as termed in the WHO recommendations and the European Pharmacopoeia.</p></sec><sec><title>Aim</title><p>Aim. This study aimed to analyse the effects of B. pertussis LOS and residual active PT on the specific toxicity and potency of adsorbed diphtheria, tetanus, and whole-cell pertussis (DTwP) vaccines.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. The authors tested 57 commercial batches of adsorbed DTwP vaccines for compliance with the regulatory standards and product specification files. Vaccine batches that failed specific toxicity tests formed Group 1, and the other batches were designated as Group 2. The potency was tested in F1 CBA/Ca×C57BL/6J hybrid mice with experimentally induced meningoencephalitis that were immunised with DTwP and reference vaccines. The authors assessed the specific toxicity of DTwP vaccines by changes in body weight following intraperitoneal administration. The toxic activity was assessed indirectly by changes in body weight in the first 16–24 h (B. pertussis LOS) and on day 7 (PT) after dosing. The authors used Spearman’s rank correlation coefficient to measure the strength of correlation between the toxic activity of vaccine components and the specific toxicity and potency of the vaccine, which were established using the same vaccine batches.</p></sec><sec><title>Results</title><p>Results. The authors measured the toxic activity of LOS and residual active PT in the vaccine batches studied. The correlation coefficients between the specific toxicity and potency of the vaccines and the toxic activity of LOS were 0.113 (p&gt;0.05) and 0.049 (p&gt;0.05), respectively. Similarly, the correlation coefficients between the specific toxicity and potency of the vaccines and the toxic activity of PT accounted for 0.595 (p&lt;0.01) and –0.534 (p&lt;0.01), respectively.</p></sec><sec><title>Conclusions</title><p>Conclusions. The authors studied the toxic activity of B. pertussis LOS and residual active PT in whole-cell pertussis vaccines and found an inverse correlation between the potency of the vaccines and the toxic activity of residual active PT. The study demonstrated that the specific toxicity test for whole-cell pertussis vaccines fails to detect and quantify B. pertussis LOS in the samples. The authors advise to determine the content of LOS in the B. pertussis strains intended for the production of whole-cell pertussis vaccines, which is not yet an accepted practice in the Russian Federation.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>цельноклеточная коклюшная вакцина</kwd><kwd>ЦКВ</kwd><kwd>защитная активность и специфическая токсичность вакцины</kwd><kwd>реактогенность вакцины</kwd><kwd>токсическое действие коклюшного компонента</kwd><kwd>липоолигосахарид Bordetella pertussis</kwd><kwd>коклюшный токсин</kwd></kwd-group><kwd-group xml:lang="en"><kwd>whole-cell pertussis vaccine</kwd><kwd>wP vaccine</kwd><kwd>potency</kwd><kwd>specific toxicity</kwd><kwd>vaccine reactogenicity</kwd><kwd>pertussis component toxic activity</kwd><kwd>Bordetella pertussis lipo-oligosaccharide</kwd><kwd>pertussis toxin</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках государственного задания ФГБУ «Научный центр экспертизы средств медицинского применения» Минздрава России № 056-00052-23-00 на проведение прикладных научных исследований (номер государственного учета НИР 121022000147-4).</funding-statement><funding-statement xml:lang="en">The study reported in this publication was carried out as part of publicly funded research project No. 056-00052-23-00 and was supported by the Scientific Centre for Expert Evaluation of Medicinal Products (R&amp;D public accounting No. 121022000147-4).</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Wirsing von König CH, Campins-Marti M, Finn A, Guiso N, Mertsola J, and Liese J. 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