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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">vestnik-bio-msu</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Московского университета. Серия 16. Биология</journal-title><trans-title-group xml:lang="en"><trans-title>Vestnik Moskovskogo universiteta. Seriya 16. Biologiya</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0137-0952</issn><publisher><publisher-name>Lomonosov Moscow State University,  School of Biology</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">vestnik-bio-msu-965</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>ОРИГИНАЛЬНОЕ ИССЛЕДОВАНИЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>RESEARCH ARTICLE</subject></subj-group></article-categories><title-group><article-title>Действие низкомолекулярного хитозана на клетки эпидермиса из листьев гороха</article-title><trans-title-group xml:lang="en"><trans-title>Effect of low molecular weight chitosan on epidermal cells from pea leaves</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6050-2940</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Киселевский</surname><given-names>Д. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Kiselevsky</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Киселевский Дмитрий Борисович – кандидат биологических наук, старший научный сотрудник кафедры иммунологии биологического факультета</p><p>119234, г. Москва, Ленинские горы, д. 1, стр. 12</p></bio><bio xml:lang="en"><p>Department of Immunology, School of Biology</p><p>Leninskiye gory 1–12, Moscow, 119234</p></bio><email xlink:type="simple">dkiselevs@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шагдарова</surname><given-names>Б. Ц.</given-names></name><name name-style="western" xml:lang="en"><surname>Shagdarova</surname><given-names>B. Ts.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Шагдарова Бальжима Цырендоржиевна – кандидат биологических наук, научный сотрудник лаборатории инженерии биополимеров Института биоинженерии</p><p>119071, г. Москва, Ленинский пр-т, д. 33, стр. 2</p></bio><bio xml:lang="en"><p>Laboratory of Biopolymer Engineering, Institute of Bioengineering</p><p>Leninsky ave. 33/2, Moscow, 119071</p></bio><email xlink:type="simple">shagdarova.bal@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Варламов</surname><given-names>В. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Varlamov</surname><given-names>V. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Варламов Валерий Петрович – доктор биологических наук, профессор, зав. лабораторией инженерии биополимеров Института биоинженерии</p><p>119071, г. Москва, Ленинский пр-т, д. 33, стр. 2</p></bio><bio xml:lang="en"><p>Laboratory of Biopolymer Engineering, Institute of Bioengineering</p><p>Leninsky ave. 33/2, Moscow, 119071</p></bio><email xlink:type="simple">varlamov@biengi.ac.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Самуилова</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Samuilova</surname><given-names>O. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Самуилова Ольга Витальевна – кандидат биологических наук, доц. кафедры биологической химии</p><p>119991, г. Москва, ул. Трубецкая, д. 8, стр. 2</p></bio><bio xml:lang="en"><p>Department of Biochemistry</p><p>Trubetskaya str. 8–2, Moscow, 119991</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Самуилов</surname><given-names>В. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Samuilov</surname><given-names>V. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Самуилов Виталий Дмитриевич – доктор биологических наук, профессор, гл. научный сотрудник кафедры иммунологии биологического факультета</p><p>119234, г. Москва, Ленинские горы, д. 1, стр. 12</p></bio><bio xml:lang="en"><p>Department of Immunology, School of Biology</p><p>Leninskiye gory 1–12, Moscow, 119234</p></bio><email xlink:type="simple">vdsamuilov@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Московский государственный университет имени М.В. Ломоносова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Lomonosov Moscow State University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Федеральный исследовательский центр «Фундаментальные основы биотехнологии», Российская академия наук</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Research Center of Biotechnology of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Первый Московский государственный медицинский университет имени И.М. Сеченова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>I.M. Sechenov University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>06</day><month>03</month><year>2021</year></pub-date><volume>76</volume><issue>1</issue><fpage>18</fpage><lpage>23</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Киселевский Д.Б., Шагдарова Б.Ц., Варламов В.П., Самуилова О.В., Самуилов В.Д., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Киселевский Д.Б., Шагдарова Б.Ц., Варламов В.П., Самуилова О.В., Самуилов В.Д.</copyright-holder><copyright-holder xml:lang="en">Kiselevsky D.V., Shagdarova B.T., Varlamov V.P., Samuilova O.V., Samuilov V.D.</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://vestnik-bio-msu.elpub.ru/jour/article/view/965">https://vestnik-bio-msu.elpub.ru/jour/article/view/965</self-uri><abstract><p> </p><p>Испытано действие на клетки эпидермиса из листьев гороха низкомолекулярных хитозанов с молекулярной массой 5, 6, 10, 25, 45 кДа и степенью деацетилирования (СД) 85–99%, полученных при помощи химической деполимеризации и ферментативного гидролиза. Низкомолекулярный хитозан вызывал модификацию плазматической мембраны устьичных клеток, регистрируемую по изменению ее проницаемости для флуоресцирующего красителя йодида пропидия, и программируемую гибель эпидермальных клеток, определяемую по разрушению клеточных ядер. Эти эффекты были сходны с действием коммерческого высокомолекулярного хитозана с молекулярной массой 290 кДа (СД 90%), проявлявшимся в более высоких концентрациях, чем в случае низкомолекулярного хитозана. Губительное действие хитозана на клетки зависело в большей степени от СД и не проявлялось в концентрациях до 10 мкг/мл включительно. Низкомолекулярный хитозан усиливал образование активных форм кислорода в эпидермисе, детектируемое по флуоресценции 2',7'-дихлорфлуоресцеина. Антиоксиданты нитросиний тетразолий и пропилгаллат замедляли, а Н2О2 стимулировал этот процесс.</p></abstract><trans-abstract xml:lang="en"><p>The eﬀect of low molecular weight (MW) chitosans with a MW of 5, 6, 10, 25, 45 kDa and a deacetylation degree (DD) of 85–99% obtained by chemical depolymerization and enzymatic hydrolysis on the cells of the epidermis of pea leaves was analyzed. Low MW chitosans induced guard cells plasma membrane damage, which was estimated from the change in its permeability for the ﬂuorescent dye propidium iodide, and programmed death of epidermal cells determined from destruction of cell nuclei. These eﬀects are similar to those of commercial high MW chitosan with a MW of 290 kDa, a DD of 90%, which was manifested at higher concentrations than with low MW chitosan. The destructive eﬀect of chitosan on the cells was predominantly DD-dependent, and it was not produced at concentrations up to 10 μg/ml inclusive. Low MW chitosan enhanced the generation of reactive oxygen species in the epidermis, which was detected by monitoring the ﬂuorescence of 2',7'-dichloroﬂuorescein. The antioxidants nitroblue tetrazolium and propyl gallate inhibited, and Н2О2 accelerated this process.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>программируемая клеточная смерть</kwd><kwd>плазматическая мембрана</kwd><kwd>хитозан</kwd><kwd>эпидермис</kwd><kwd>йодид пропидия</kwd><kwd>горох</kwd></kwd-group><kwd-group xml:lang="en"><kwd>programmed cell death</kwd><kwd>plasma membrane</kwd><kwd>chitosan</kwd><kwd>epidermis</kwd><kwd>propidium iodide</kwd><kwd>pea</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа по получению и анализу низкомолекулярных хитозанов частично поддержана Российским фондом фундаментальных исследований (проект № 20-016-00205). Работа выполнена при финансовой поддержке научно-исследовательской работы (НИР) из средств федерального бюджета (регистрационный номер НИР в ЦИТИС: АААА-А16-116021660081-0).</funding-statement><funding-statement xml:lang="en">The research on the production and analysis of low molecular weight chitosans was partially supported by Russian Foundation for Basic Research, project number 20-016-00205. This study was performed under the state assignment of Moscow State University, project number AAAA-A16-116021660081-0.</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">Феофилова Е.П. Клеточная стенка грибов М.: Наука, 1983. 248 с.</mixed-citation><mixed-citation xml:lang="en">Феофилова Е.П. 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