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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Oncohematology</journal-id><journal-title-group><journal-title xml:lang="en">Oncohematology</journal-title><trans-title-group xml:lang="ru"><trans-title>Онкогематология</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1818-8346</issn><issn publication-format="electronic">2413-4023</issn><publisher><publisher-name xml:lang="en">Publishing House ABV Press</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">168</article-id><article-id pub-id-type="doi">10.17650/1818-8346-2015-10-4-56-59</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>BASIC RESEARCH</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ФУНДАМЕНТАЛЬНЫЕ ИССЛЕДОВАНИЯ В ПРАКТИЧЕСКОЙ МЕДИЦИНЕ НА СОВРЕМЕННОМ ЭТАПЕ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Acellbia® and Mabtera® are recognize CD20-positive cells with equal efficiency</article-title><trans-title-group xml:lang="ru"><trans-title>Ацеллбия® и Мабтера® распознают CD20-положительные клетки с одинаковой эффективностью</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Misyurin</surname><given-names>V. A.</given-names></name><name xml:lang="ru"><surname>Мисюрин</surname><given-names>В. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoye Shosse, Moscow, 115478;</p><p>104 Profsoyuznaya St., Moscow, 117485</p></bio><bio xml:lang="ru"><p>115478, Москва, Каширское шоссе, 24;</p><p>117485, Москва, ул. Профсоюзная, 104</p></bio><email>vsevolod.misyurin@gmail.com</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Misyurin</surname><given-names>A. V.</given-names></name><name xml:lang="ru"><surname>Мисюрин</surname><given-names>А. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoye Shosse, Moscow, 115478;</p><p>104 Profsoyuznaya St., Moscow, 117485</p></bio><bio xml:lang="ru"><p>115478, Москва, Каширское шоссе, 24;</p><p>117485, Москва, ул. Профсоюзная, 104</p></bio><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Misyurina</surname><given-names>A. E.</given-names></name><name xml:lang="ru"><surname>Мисюрина</surname><given-names>А. Е.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>104 Profsoyuznaya St., Moscow, 117485;</p><p>4a Novyy Zykovskiy Proezd, Moscow, 125167</p></bio><bio xml:lang="ru"><p>117485, Москва, ул. Профсоюзная, 104;</p><p>125167, Москва, Новый Зыковский пр-д, 4а</p></bio><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Finashutina</surname><given-names>Yu. P.</given-names></name><name xml:lang="ru"><surname>Финашутина</surname><given-names>Ю. П.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoye Shosse, Moscow, 115478;</p><p>104 Profsoyuznaya St., Moscow, 117485</p></bio><bio xml:lang="ru"><p>115478, Москва, Каширское шоссе, 24;</p><p>117485, Москва, ул. Профсоюзная, 104</p></bio><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Baryshnikovа</surname><given-names>M. A.</given-names></name><name xml:lang="ru"><surname>Барышникова</surname><given-names>М. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoye Shosse, Moscow, 115478</p></bio><bio xml:lang="ru"><p>115478, Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Burova</surname><given-names>O. S.</given-names></name><name xml:lang="ru"><surname>Бурова</surname><given-names>О. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>24 Kashirskoye Shosse, Moscow, 115478</p></bio><bio xml:lang="ru"><p>115478, Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kravchenko</surname><given-names>S. K.</given-names></name><name xml:lang="ru"><surname>Кравченко</surname><given-names>С. К.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>4a Novyy Zykovskiy Proezd, Moscow, 125167</p></bio><bio xml:lang="ru"><p>125167, Москва, Новый Зыковский пр-д, 4а</p></bio><xref ref-type="aff" rid="aff3"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">N.N. Blokhin Russian Cancer Research Center, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГБУ «РОНЦ им. Н.Н. Блохина» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">“GenoTechnology” LLC</institution></aff><aff><institution xml:lang="ru">ООО «ГеноТехнология»</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Hematology Research Center, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГБУ ГНЦ Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2015-12-23" publication-format="electronic"><day>23</day><month>12</month><year>2015</year></pub-date><volume>10</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>56</fpage><lpage>59</lpage><history><date date-type="received" iso-8601-date="2015-12-23"><day>23</day><month>12</month><year>2015</year></date><date date-type="accepted" iso-8601-date="2015-12-23"><day>23</day><month>12</month><year>2015</year></date></history><permissions><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/></permissions><self-uri xlink:href="https://oncohematology.abvpress.ru/ongm/article/view/168">https://oncohematology.abvpress.ru/ongm/article/view/168</self-uri><abstract xml:lang="en"><p>In present study were compared characteristics of rituximab produced by Hoffmann–La Roche (Mabtera®) and first domestic biosimilar Acellbia® from Biocad Company. Concentration of protein was measured using Bradford, s method. According to our results, protein concentration in formulations was the same. We electrophoresed formulations in denaturing conditions. Protein from formulations was denatured into fragments. Heavy and light chains of immunoglobulin were observed in gel. Finally, we performed flow cytometry where rituximab was used as primary antibody to detect CD20-positive B-cells of patients with B-cell chronic lymphocytic leukemia. Both Mabtera® and Acellbia® recognized the same number of cells. Thus, assays performed in vitro submitted identity of Mabtera® and Acellbia® characteristics.</p></abstract><trans-abstract xml:lang="ru"><p>Проведено сравнение свойств ритуксимаба производства Hoffmann–La Roche, Швейцария (Мабтера®) и первого отечественного биоаналога компании Биокад (Ацеллбия®). Сравнивали концентрации белка в препарате методом Бредфорда. Согласно результатам измерения, концентрация белка в препаратах одинаковая. Проводили электрофорез препаратов в денатурирующих условиях. Белок распался на фрагменты, эквивалентные по массе тяжелым и легким цепям иммуноглобулина. Наконец, проводили реакцию проточной цитометрии, где ритуксимаб использовался как первичное антитело для распознавания CD20-положительных клеток больных B-клеточным хроническим лимфоидным лейкозом. Результат показал, что как Мабтера®, так и Ацеллбия® распознают одинаковое количество клеток. Таким образом, комплекс представленных измеримых в условиях in vitro параметров продемонстрировал идентичность препаратов Мабтера® и Ацеллбия®.</p></trans-abstract><kwd-group xml:lang="en"><kwd>Acellbia®</kwd><kwd>Mabthera®</kwd><kwd>laboratory diagnostics</kwd><kwd>monoclonal antibodie sensitivity</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>Ацеллбия®</kwd><kwd>Мабтера®</kwd><kwd>лабораторная диагностика</kwd><kwd>чувствительность к моноклональным антителам</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">1. Marcus R., Imrie K., Belch A. et al. CVP chemotherapy plus rituximab compared with CVP as first-line treatment for advanced follicular lymphoma. Blood 2005;105(4):1417–23.</mixed-citation><mixed-citation xml:lang="ru">Marcus R., Imrie K., Belch A. et al. CVP chemotherapy plus rituximab compared with CVP as first-line treatment for advanced follicular lymphoma. 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