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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">scbmt</journal-id><journal-title-group><journal-title xml:lang="ru">БИОМЕДИЦИНА</journal-title><trans-title-group xml:lang="en"><trans-title>Journal Biomed</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2074-5982</issn><issn pub-type="epub">2713-0428</issn><publisher><publisher-name>Scientific center of biomedical technologies of Federal Medical and Biological Agency</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">scbmt-99</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>РЕЛЕВАНТНОЕ И АЛЬТЕРНАТИВНОЕ БИОМОДЕЛИРОВАНИЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>RELEVANT AND ALTERNATIVE BIOMODELLING</subject></subj-group></article-categories><title-group><article-title>Математическое моделирование реутилизации гипоксантина</article-title><trans-title-group xml:lang="en"><trans-title>Mathematical modeling of the salvage pathway of hypoxanthine</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>Золин</surname><given-names>П. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Zolin</surname><given-names>P. P.</given-names></name></name-alternatives><email xlink:type="simple">zolin_petr@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>Лебедев</surname><given-names>В. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Lebedev</surname><given-names>V. M.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Конвай</surname><given-names>В. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Conway</surname><given-names>V. D.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>ФГБОУ ВО «Омский государственный медицинский университет»</institution><country>Russian Federation</country></aff><aff xml:lang="ru" id="aff-2"><institution>ФГБОУ ВО «Финансовый университет при Правительстве Российской Федерации»</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>26</day><month>02</month><year>2019</year></pub-date><volume>0</volume><issue>2</issue><fpage>72</fpage><lpage>84</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Золин П.П., Лебедев В.М., Конвай В.Д., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Золин П.П., Лебедев В.М., Конвай В.Д.</copyright-holder><copyright-holder xml:lang="en">Zolin P.P., Lebedev V.M., Conway 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://journal.scbmt.ru/jour/article/view/99">https://journal.scbmt.ru/jour/article/view/99</self-uri><abstract><p>Целью настоящей работы являлась разработка математических моделей метаболизма гипоксантина in vivo : поступления гипоксантина в печень, его реутилизации, регуляции этого процесса мононуклеотидами и фосфорибозилпирофосфатом. Опыты выполнены на крысах-самцах, которых подвергали 6,5-минутной асфиксии с последующей реанимацией. Крыс подвергали эвтаназии через 30 мин, 6 и 24 ч, 3, 7 и 21 сут после реанимации и сравнивали с контрольными животными. По результатам математического моделирования сделан вывод, что активность гипоксантин/гуанинфосфорибозилтрансферазы в печени in situ регулируется доступностью фосфорибозилпирофосфата. Уровни мононуклеотидов не влияют in situ на вовлечение гипоксантина в процесс реутилизации (включение14С-гипоксантина в нуклеозидмонофосфаты, нуклеозидди- и трифосфаты).</p></abstract><trans-abstract xml:lang="en"><p>The aim of this paper is to develop mathematical models capable of simulating the hypoxanthine metabolism in vivo : hypoxanthine incorporation in the liver, its salvage pathway, the regulation of this process by mononucleotides and by phosphoribosyl pyrophosphate. Experiments were performed in male rats exposed to 6,5 min asphyxia with following resuscitation. Rats euthanized in 30 min, 6 h, 24 h, 3 days, 7 days and 21 days after resuscitation were compared with control animals. Authors conclude from mathematical modeling that the activity of liver hypoxanthine/guanine phosphoribosyltransferase in situ is regulated by the availability of phosphoribosyl pyrophosphate. The hypoxanthine inclusion in salvage pathway (14C-hypoxanthine incorporation in nucleoside monophosphates,14C-hypoxanthine incorporation in nucleoside di- and triphosphates) was not influenced in situ by mononucleotides level.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>метаболизм пуринов</kwd><kwd>гипоксантин</kwd><kwd>реутилизация</kwd><kwd>математическое моделирование</kwd><kwd>фосфорибозилпирофосфат</kwd></kwd-group><kwd-group xml:lang="en"><kwd>purine metabolism</kwd><kwd>hypoxanthine</kwd><kwd>salvage pathway</kwd><kwd>mathematical modeling</kwd><kwd>phosphoribosyl pyrophosphate</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">Дмитриенко Н.П. Пуриновый обмен и его регуляция в лимфоцитах. - Киев: Наукова думка. - 1991. - 200 с.</mixed-citation><mixed-citation xml:lang="en">Дмитриенко Н.П. 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