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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">zldm</journal-id><journal-title-group><journal-title xml:lang="ru">Заводская лаборатория. Диагностика материалов</journal-title><trans-title-group xml:lang="en"><trans-title>Industrial laboratory. Diagnostics of materials</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1028-6861</issn><issn pub-type="epub">2588-0187</issn><publisher><publisher-name>ООО «Издательство «ТЕСТ-ЗЛ»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.26896/1028-6861-2023-89-3-14-24</article-id><article-id custom-type="elpub" pub-id-type="custom">zldm-1883</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>АНАЛИЗ ВЕЩЕСТВА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>SUBSTANCES ANALYSIS</subject></subj-group></article-categories><title-group><article-title>Исследование влияния ускоренных электронов на структурные характеристики бычьего сывороточного альбумина с использованием жидкостной хромато-масс-спектрометрии высокого разрешения</article-title><trans-title-group xml:lang="en"><trans-title>Study of the effect of accelerated electrons on the structural characteristics of the bovine serum albumin using liquid chromatography-mass spectrometry and high-resolution tandem mass spectrometry</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>Браун</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Brown</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Аркадий Владимирович Браун</p><p>119991, Москва, ГСП-1, Ленинские горы, д. 1, стр. 3</p></bio><bio xml:lang="en"><p>Arkady V Brown</p><p>119991, Moscow, Leninskie gory, 1-3</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Близнюк</surname><given-names>У. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Bliznyuk</surname><given-names>U. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ульяна Александровна Близнюк</p><p>119991, Москва, ГСП-1, Ленинские горы, д. 1, стр. 2</p></bio><bio xml:lang="en"><p>Ulyana A. Bliznyuk</p><p>119991, Moscow, Leninskie gory, 1-2</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>Борщеговская</surname><given-names>П. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Borshchegovskaya</surname><given-names>P. Y.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Полина Юрьевна Борщеговская</p><p>119991, Москва, ГСП-1, Ленинские горы, д. 1, стр. 2</p></bio><bio xml:lang="en"><p>Polina Yu. Borshchegovskaya</p><p>119991, Moscow, Leninskie gory, 1-2</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>Ипатова</surname><given-names>В. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Ipatova</surname><given-names>V. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Виктория Сергеевна Ипатова</p><p>119991, Москва, ГСП-1, Ленинские горы, д. 1, стр. 2</p></bio><bio xml:lang="en"><p>Victoria S. Ipatova</p><p>119991, Moscow, Leninskie gory, 1-2</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>Хмелевский</surname><given-names>О. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Khmelevsky</surname><given-names>O. Y.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Олег Юрьевич Хмелевский</p><p>119991, Москва, ГСП-1, Ленинские горы, д. 1, стр. 2</p></bio><bio xml:lang="en"><p>Oleg Yu. Khmelevsky</p><p>119991, Moscow, Leninskie gory, 1-2</p></bio><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Черняев</surname><given-names>А. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Chernyaev</surname><given-names>A. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Александр Петрович Черняев</p><p>119991, Москва, ГСП-1, Ленинские горы, д. 1, стр. 2119991, Москва, ГСП-1, Ленинские горы, д. 1, стр. 2</p></bio><bio xml:lang="en"><p>Alexander P Chernyaev</p><p>119991, Moscow, Leninskie gory, 1-2</p></bio><xref ref-type="aff" rid="aff-5"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ананьева</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Ananyeva</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ирина Алексеевна Ананьева</p><p>119991, Москва, ГСП-1, Ленинские горы, д. 1, стр. 3</p></bio><bio xml:lang="en"><p>Irina A. Ananyeva</p><p>119991, Moscow, Leninskie gory, 1-3</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Родин</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Rodin</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Игорь Александрович Родин</p><p>119991, Москва, ГСП-1, Ленинские горы, д. 1, стр. 3119435, Москва, ул. Б. Пироговская, д. 2, стр. 2</p></bio><bio xml:lang="en"><p>Igor A. Rodin</p><p>119991, Moscow, Leninskie gory, 1-3119435, Moscow, B. Pirogovskaya ul., 2-2</p></bio><email xlink:type="simple">igorrodin@yandex.ru</email><xref ref-type="aff" rid="aff-6"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Химический факультет Московского государственного университета имени М. В. Ломоносова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Faculty of Chemistry, Lomonosov Moscow State University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Физический факультет Московского государственного университета имени М. В. Ломоносова; Научно-исследовательский институт ядерной физики имени Д. В. Скобельцына</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Faculty of Physics, Lomonosov Moscow State University; Skobeltsyn Institute of Nuclear Physics</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Научно-исследовательский институт ядерной физики имени Д. В. Скобельцына</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Skobeltsyn Institute of Nuclear Physics</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Физический факультет Московского государственного университета имени М. В. Ломоносова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Faculty of Physics, Lomonosov Moscow State University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-5"><aff xml:lang="ru"><institution>Физический факультет Московского государственного университета имени М. В. Ломоносова; ; Научно-исследовательский институт ядерной физики имени Д. В. Скобельцына</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Faculty of Physics, Lomonosov Moscow State University; Skobeltsyn Institute of Nuclear Physics</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-6"><aff xml:lang="ru"><institution>Химический факультет Московского государственного университета имени М. В. Ломоносова; Первый МГМУ имени И. М. Сеченова Минздрава России (Сеченовский Университет), кафедра эпидемиологии и доказательной медицины</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Faculty of Chemistry, Lomonosov Moscow State University; I. M. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation (Sechenov University), Department of Epidemiology and Evidence-Based Medicine</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>23</day><month>03</month><year>2023</year></pub-date><volume>89</volume><issue>3</issue><fpage>14</fpage><lpage>24</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Браун А.В., Близнюк У.А., Борщеговская П.Ю., Ипатова В.С., Хмелевский О.Ю., Черняев А.П., Ананьева И.А., Родин И.А., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Браун А.В., Близнюк У.А., Борщеговская П.Ю., Ипатова В.С., Хмелевский О.Ю., Черняев А.П., Ананьева И.А., Родин И.А.</copyright-holder><copyright-holder xml:lang="en">Brown A.V., Bliznyuk U.A., Borshchegovskaya P.Y., Ipatova V.S., Khmelevsky O.Y., Chernyaev A.P., Ananyeva I.A., Rodin 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://www.zldm.ru/jour/article/view/1883">https://www.zldm.ru/jour/article/view/1883</self-uri><abstract><p>Предложен метод количественной оценки влияния дозы ионизирующего излучения на структурные характеристики бычьего сывороточного альбумина (БСА) в водном растворе путем идентификации уникальных пептидов доменных структур белка с использованием жидкостной хромато-масс-спектрометрии высокого разрешения. БСА с начальной концентрацией 500 мг/л в физиологическом растворе облучали пучком ускоренных электронов с максимальной энергией 1 МэВ при среднем токе пучка 1 мкА, средняя мощность дозы составляла 18,5 Гр/с. Поглощенную дозу в объеме образца оценивали с помощью ферросульфатного дозиметра Фрикке. После облучения раствора БСА в дозах 0,3, 0,6, 1, 8 и 20 кГр проводили анализ структурной целостности нативной формы белка и количественную оценку его содержания. Для этого путем центрифугирования отделяли соединения с массой более 30 кДа, затем осуществляли ферментативный гидролиз БСА с добавлением раствора трипсина и повторно отделяли образовавшиеся пептиды с массой более 10 кДа. Полученные образцы анализировали методом жидкостной хромато-масс-спектрометрии высокого разрешения (ВЖЭХ-МС/МС). Далее оценивали содержание неповрежденных молекул белка путем определения концентраций уникальных пептидов, соответствующих каждому из трех доменов, на которые разделялась аминокислотная последовательность БСА. С использованием разработанного подхода установлено изменение естественной конформации исследуемого белка (его денатурация) в водных пробах в результате воздействия ионизирующего излучения в дозах 0,3 - 20 кГр: в среднем у 71 % белковых молекул при дозе облучения до 1 кГр, у 79 % молекул при дозе 4 кГр и 99 - 100 % молекул при дозах 8 и 20 кГр.</p></abstract><trans-abstract xml:lang="en"><p>A method for quantification of the dose effect of ionizing radiation on the structural characteristics of bovine serum albumin (BSA) in aqueous solution through identification of unique peptides of protein domain structures using high-resolution liquid chromatography-mass spectrometry is proposed. BSA with the initial concentration of 500 mg/liter in a physiological solution was exposed to irradiation at a dose rate of 18. 5 Gy/sec using an accelerated electron beam with the maximum energy of 1 MeV at an average beam current of 1 uA. The absorbed dose in the sample volume was estimated using a Fricke (ferrous sulphate) dosimeter. After irradiation of BSA solution at 0.3, 0.6,1.8, and 20 kGy we analyzed the structural integrity of the protein native form and then quantified the content. For this, masses more than 30 kDa were removed using centrifugation. Then BSA was subjected to enzymatic hydrolysis with the addition of trypsin solution, and the resulting peptides with a mass of more than 10 kDa were repeatedly removed. The resultant samples were then examined using liquid chromatography mass spectrometry (LC-MS) and high-resolution tandem mass spectrometry (HRMS-MS/MS). The content of intact protein molecules was assessed by determining the concentrations of unique peptides corresponding to each of the three domains into which the amino acid sequence of BSA was divided. Using the developed methodology, a change in the natural conformation of bovine serum albumin (denaturation) in water samples induced by ionizing radiation at a dose ranging from 0.3 to 20 kGy was revealed on average in 71% of protein molecules exposed to doses up to 1 kGy in 79% of molecules exposed to doses of 4 kGy and in 99 % to 100% of molecules exposed to doses of 8 and 20 kGy.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>масс-спектрометрия высокого разрешения</kwd><kwd>высокоэффективная жидкостная хроматография</kwd><kwd>ускоренные электроны</kwd><kwd>радиационная обработка</kwd><kwd>бычий сывороточный альбумин</kwd><kwd>пептиды БСА</kwd><kwd>трипсинолиз белков</kwd></kwd-group><kwd-group xml:lang="en"><kwd>high resolution tandem mass spectrometry</kwd><kwd>high performance liquid chromatography</kwd><kwd>accelerated electrons</kwd><kwd>radiation processing</kwd><kwd>bovine serum albumin</kwd><kwd>BSA peptides</kwd><kwd>trypsinolysis of proteins</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Авторы выражают благодарность сотрудникам отдела электромагнитных процессов и взаимодействия атомных ядер НИИЯФ МГУ им. Д. В. Скобельцына В. И. Шведунову и Д. С. Юрову за возможность проведения облучения образцов на ускорителе УЭЛР-1-25-Т-001. Исследование выполнено при финансовой поддержке РНФ в рамках научного проекта № 22-63-00075.</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">Zhang Y., Dong L., Zhang J., et al. Adverse Effects of Thermal Food Processing on the Structural, Nutritional, and Biological Properties of Proteins / Annu. Rev. Food Sci. Technol. 2021. Vol. 12. N1 . P 259-286. DOI:10.1146/annurev-food-062320-012215</mixed-citation><mixed-citation xml:lang="en">Zhang Y, Dong L., Zhang J., et al. Adverse Effects of Thermal Food Processing on the Structural, Nutritional, and Biological Properties of Proteins / Annu. Rev. Food Sci. Technol. 2021. Vol. 12. N 1. E 259 - 286. 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