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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">ojrdrt</journal-id><journal-title-group><journal-title xml:lang="ru">Онкологический журнал: лучевая диагностика, лучевая терапия</journal-title><trans-title-group xml:lang="en"><trans-title>Journal of oncology: diagnostic radiology and radiotherapy</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2587-7593</issn><issn pub-type="epub">2713-167X</issn><publisher><publisher-name>НЕКОММЕРЧЕСКОЕ ПАРТНЕРСТВО «ОБЩЕСТВО ИНТЕРВЕНЦИОННЫХ ОНКОРАДИОЛОГОВ»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.37174/2587-7593-2018-1-1-75-79</article-id><article-id custom-type="elpub" pub-id-type="custom">ojrdrt-65</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>ЭКСПЕРИМЕНТАЛЬНАЯ РАДИОЛОГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>EXPERIMENTAL RADIOLOGY</subject></subj-group></article-categories><title-group><article-title>Водорастворимые комплексы метилпирофеофорбида-α с белками-носителями для фотодинамической терапии</article-title><trans-title-group xml:lang="en"><trans-title>Water-Soluble Complexes of Methylpyro-Phaeophorbide-а with Carrier Proteins for Photodinamic Therapy</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>Позднякова</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Pozdniakova</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><email xlink:type="simple">natpo2002@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>Белых</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Belykh</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сыктывкар</p></bio><bio xml:lang="en"><p>Syktyvkar</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Худяева</surname><given-names>И. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Khudyaeva</surname><given-names>I. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сыктывкар</p></bio><bio xml:lang="en"><p>Syktyvkar</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шевелев</surname><given-names>А. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Shevelev</surname><given-names>A. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Национальный медицинский исследовательский центр онкологии им. Н.Н. Блохина Минздрава РФ</institution><country>Россия</country></aff><aff xml:lang="en"><institution>N.N. Blokhin National Medical Research Center of Oncology</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт химии Коми научного центра Уральского отделения РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Chemistry of the Komi Scientific Center, Urals Branch of RAS</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Институт биохимической физики им. Н.М. Эмануэля РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>N.M. Emanuel Institute of Biochemical Physics of RAS</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>30</day><month>03</month><year>2018</year></pub-date><volume>1</volume><issue>1</issue><fpage>75</fpage><lpage>79</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Позднякова Н.В., Белых Д.В., Худяева И.С., Шевелев А.Б., 2018</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="ru">Позднякова Н.В., Белых Д.В., Худяева И.С., Шевелев А.Б.</copyright-holder><copyright-holder xml:lang="en">Pozdniakova N.V., Belykh D.V., Khudyaeva I.S., Shevelev A.B.</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.oncoradjournal.ru/jour/article/view/65">https://www.oncoradjournal.ru/jour/article/view/65</self-uri><abstract><p>Практическое использование фотосенсибилизаторов для фотодинамической терапии опухолей ограничивается недостаточной растворимостью тетрапиррольных красителей и их высокой гепатотропностью. Целью работы было исследование возможности использования модельного фотосенсибилизатора – метилпирофеофорбида-α, содержащего свободную карбоксильную группу (МПФФа) в виде комплексов с белками-носителями на основе альфа-фетопротеина человека ApE1 и ApE2. Было проведено сравнение характеристик комплекса ApE1-МПФФа и ApE2-МПФФа с характеристиками комплекса МПФФа с сывороточным альбумином. Был выявлен батохромный сдвиг флуоресценции МПФФа в комплексе с ApE1 и ApE2 по сравнению со свободным МПФФа. Этот сдвиг доказывает наличие плотного контакта красителя с ароматическими аминокислотами белка. Наличие такого сдвига позволяет ожидать высокой фотохимической активности комплексного фотосенсибилизатора in vivo. Полученные данные свидетельствуют о высокой устойчивости нековалентных комплексов белков-носителей ApE1 и ApE2 с модельным хлорином МПФФа, существенно превышающих прочность комплекса этого красителя с сывороточным альбумином. Это позволяет проводить препаративную очистку комплексов ApE1-МПФФа и ApE2-МПФФа, в том числе, с применением методов диализа и гель-хроматографии.</p></abstract><trans-abstract xml:lang="en"><p>Practical application of photosensitizers for photodynamic therapy of tumors is limited with insufficient solubility in water and hepatic tropism of tetrapyrrole dyes. The work pursued study of possibility of using a model photosensitizer methylpyro-phaeophorbide α bearing a free carboxylic moiety (MPPPa) in complexes with artificial proteins derived from human alpha-fetoprotein ApE1 and ApE2. Properties of ApE1-MPPPa and ApE2-MPPPa complexes were compared with properties of MPPPa complex with serum albumin. A bathochromic shift of fluorescence maximum of MPPPa in complexes with ApE1 and ApE2 was found in comparison with free MPPPa. This shift gives an evidence of a tight contact between the dye and aromatic amino acids in the carrier proteins. This shift allows expecting a high photochemical activity in the complex photosensitizer in vivo. A high stability of non-covalent ApE1-MPPPa and ApE2-MPPPa complexes substantially exceeding stability of MPPPa complex with serum albumin was demonstrated. Such stability allows preparative purification of these non-covalent complexes with dialysis and/or chromatography.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>фотодинамическая терапия</kwd><kwd>бактериохлорин</kwd><kwd>метилпирофеофорбид-α</kwd><kwd>альфа-фетопротеин</kwd><kwd>комплексообразование</kwd></kwd-group><kwd-group xml:lang="en"><kwd>photodynamic therapy</kwd><kwd>bacteriochlorin</kwd><kwd>methylpyropheophorbide</kwd><kwd>alphafetoprotein</kwd><kwd>complexation</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">Megna M., Fabbrocini G., Marasca C., Monfrecola G. 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