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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">dan</journal-id><journal-title-group><journal-title xml:lang="ru">Доклады Национальной академии наук Беларуси</journal-title><trans-title-group xml:lang="en"><trans-title>Doklady of the National Academy of Sciences of Belarus</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8323</issn><issn pub-type="epub">2524-2431</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29235/1561-8323-2022-66-1-65-75</article-id><article-id custom-type="elpub" pub-id-type="custom">dan-1039</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>МЕДИЦИНА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MEDICINE</subject></subj-group></article-categories><title-group><article-title>Цитотоксические и фотомодифицирующие свойства экстрактов из распространенных лишайников юго-востока Беларуси</article-title><trans-title-group xml:lang="en"><trans-title>Cytotoxic and photomodifying properties of extracts from the distributed lichens of the South-East of Belarus</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Матвеенков</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Matveyenkau</surname><given-names>M. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Матвеенков Матвей Владимирович – научный сотрудник.</p><p>Ул. Федюнинского, 4, 246007, Гомель</p></bio><bio xml:lang="en"><p>Matveyenkau Matsvei V. – Researcher.</p><p>4, Fedyuninsky Str., 246007, Gomel</p></bio><email xlink:type="simple">matvey.matveenkov@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>Храмченкова</surname><given-names>О. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Khramchankova</surname><given-names>V. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Храмченкова Ольга Михайловна – кандидат биологических наук, доцент.</p><p>Ул. Советская, 104, 246019, Гомель</p></bio><bio xml:lang="en"><p>Khramchankova Volga M. – Ph. D. (Biology), Associate Professor.</p><p>104, Sovetskaya Str., 246019, Gomel</p></bio><email xlink:type="simple">hramchen-kova@gsu.by</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>Чешик</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Cheshik</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Чешик Игорь Анатольевич – кандидат медицинских наук, доцент, директор.</p><p>Ул. Федюнинского, 4, 246007, Гомель</p></bio><bio xml:lang="en"><p>Cheshik Ihar А. – Ph. D. (Medicine), Associate Professor, Director.</p><p>4, Fedyninsky Str., 246007, Gomel</p></bio><email xlink:type="simple">igor.cheshik@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт радиобиологии, Национальная академия наук Беларуси</institution></aff><aff xml:lang="en"><institution>Institute of Radiobiology, National Academy of Sciences of Belarus</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Гомельский государственный университет имени Франциска Скорины</institution></aff><aff xml:lang="en"><institution>Francisk Skorina Gomel State University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>09</day><month>03</month><year>2022</year></pub-date><volume>66</volume><issue>1</issue><fpage>65</fpage><lpage>75</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Матвеенков М.В., Храмченкова О.М., Чешик И.А., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Матвеенков М.В., Храмченкова О.М., Чешик И.А.</copyright-holder><copyright-holder xml:lang="en">Matveyenkau M.V., Khramchankova V.M., Cheshik I.A.</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://doklady.belnauka.by/jour/article/view/1039">https://doklady.belnauka.by/jour/article/view/1039</self-uri><abstract><p>Анализировали фотомодифицирующий и цитотоксический профиль, полученный для 35 экстрактов, выделенных из пяти видов распространенных лишайников юго-востока Беларуси. По результатам исследования, экстракты были разделены на токсичные и нетоксичные в отношении кератиноцитов человека (HACaT). Была выявлена зависимость количественных показателей токсичности экстрактов от вида лишайника, в меньшей степени, от условий экстрагирования. Выявлены экстракты, снижающие токсическое действие ультрафиолета на клетки кожи и обладающие фотосенсибилизационными свойствами. Выделена группа экстрактов, проявивших свойства модификаторов облучения, снижая или увеличивая чувствительность клеток человека, в зависимости от используемой концентрации. Статистический анализ факторов, связанных с модификацией экстрактами эффектов облучения, показал наибольшее влияние на данный показатель применяемых для экстрагирования растворителей. Большинство экстрактов демонстрирует фотозащитные и фотосенсибилизационные эффекты в диапазоне концентраций экстрактов от 2,5 до 5 мкг/мл. Увеличение концентрации до 10 мкг/мл в среднем усиливает их фотосенсибилизационные свойства. Методами вариационной статистики подтверждены значимые концентрационно-зависимые изменения фотомодифицирующих свойств ряда экстрактов.</p></abstract><trans-abstract xml:lang="en"><p>The photomodifying and cytotoxic profile obtained for thirty-five extracts isolated from five species of distributed lichens in the South-East of Belarus was analyzed. According to the research results, the extracts were classified as toxic and non-toxic to human keratinocytes (HACaT). The dependence of the quantitative toxicity indicators of extracts on the lichen species, to a lesser extent, on the extraction conditions was revealed. Extracts that reduce the toxic effect of ultraviolet radiation on skin cells and possess photosensitizing properties were revealed. A group of the extracts that revealed the properties of a radiation modifier was identified. The statistical analysis of the factors associated with the modification of the radiation effects by extracts showed the greatest influence on this indicator of the solvents used for extraction. Most of the extracts show both the photoprotective and photosensitizing effects in the extract concentration range from 2.5 to 5 μg/ml. Increasing the concentration to 10 μg/ml, on average, enhances their photosensitizing properties. The statistical analysis confirmed the significant concentration-dependent changes in the photomodifying properties of a number of extracts.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>экстракты из лишайников</kwd><kwd>культуры кератиноцитов (HACaT)</kwd><kwd>ультрафиолет</kwd><kwd>полуингибирующая доза (ID50)</kwd><kwd>полуингибирующая концентрация (IС50)</kwd><kwd>фотомодификация</kwd><kwd>факторы</kwd><kwd>множественная регрессия</kwd></kwd-group><kwd-group xml:lang="en"><kwd>lichen extracts</kwd><kwd>keratinocyte culture (HACaT)</kwd><kwd>ultraviolet</kwd><kwd>median lethal dose (ID50)</kwd><kwd>median lethal concentration (IC50)</kwd><kwd>photomodification</kwd><kwd>factors</kwd><kwd>multiple regression</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Parker, F. R. 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