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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">pharmjournal</journal-id><journal-title-group><journal-title xml:lang="ru">Разработка и регистрация лекарственных средств</journal-title><trans-title-group xml:lang="en"><trans-title>Drug development &amp; registration</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2305-2066</issn><issn pub-type="epub">2658-5049</issn><publisher><publisher-name>LLC «CPHA»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.33380/2305-2066-2021-10-3-83-87</article-id><article-id custom-type="elpub" pub-id-type="custom">pharmjournal-996</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>МЕТОДЫ АНАЛИЗА ЛЕКАРСТВЕННЫХ СРЕДСТВ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ANALYTICAL METHODS</subject></subj-group></article-categories><title-group><article-title>Моделирование образования липосом с винпоцетином из фосфолипидов соевого лецитина методом молекулярной динамики</article-title><trans-title-group xml:lang="en"><trans-title>Modeling the Formation of Liposomes with Vinpocetine from Soy Lecithin Phospholipids by Molecular Dynamics</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0123-9526</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Полковникова</surname><given-names>Ю. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Polkovnikova</surname><given-names>Yu. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Полковникова Юлия Александровна.</p><p>394006, Воронеж, Университетская пл., д. 1.</p></bio><bio xml:lang="en"><p>Yulia A. Polkovnikova.</p><p>1, Universitetskaya sq., Voronezh, 394006.</p></bio><email xlink:type="simple">juli-polk@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Воронежский государственный университет (ВГУ)</institution></aff><aff xml:lang="en"><institution>Voronezh State University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>25</day><month>08</month><year>2021</year></pub-date><volume>10</volume><issue>3</issue><fpage>83</fpage><lpage>87</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Полковникова Ю.А., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Полковникова Ю.А.</copyright-holder><copyright-holder xml:lang="en">Polkovnikova Y.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.pharmjournal.ru/jour/article/view/996">https://www.pharmjournal.ru/jour/article/view/996</self-uri><abstract><sec><title>Введение</title><p>Введение. Липосомальные препараты обладают следующими преимуществами: защищают клетки организма от токсического действия лекарственных средств; пролонгируют действие введенного в организм лекарственного средства; защищают лекарственные вещества от деградации; способствуют проявлению нацеленной специфичности за счет селективного проникновения из крови в ткани; изменяют фармакокинетику лекарственных препаратов, повышая их фармакологическую эффективность; позволяют создать водорастворимую форму ряда лекарственных субстанций, повышая тем самым их биодоступность. Весьма актуальным является разработка липосомальных форм винпоцетина. В настоящее время при разработке состава липосомальных форм находит широкое применение методов молекулярного моделирования, которые являются удобным методом прогнозирования как свойств самих мембран, так и аспектов взаимодействия мембран с небольшими молекулами или белками.</p></sec><sec><title>Цель</title><p>Цель. Целью данного исследования является моделирование процесса сборки липосомы из фосфолипидов соевого лецитина в присутствии винпоцетина методом молекулярной динамики; а также прогнозирование распределения винпоцетина между внутренней полостью липосомы, фосфолипидной мембраной и дисперсионной средой по результатам моделирования.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Для моделирования процесса образования липосом был использован метод крупнозернистой молекулярной динамики в силовом поле Martini 2.2 с использованием программы Gromacs 2016.4. Сборка моделируемой системы - раствора фосфолипидов соевого лецитина в воде производилась с помощью интернет-сервиса Charmm-GUI-&gt;Inputgenerator-&gt;Martinimaker-&gt;Randombuilder.</p></sec><sec><title>Результаты и обсуждение</title><p>Результаты и обсуждение. Результаты молекулярного моделирования показали, что молекулы винпоцетина не проникли внутрь липосомы, а адсорбировались на ее поверхности. Это связано с низкой растворимостью винпоцетина в гидрофобной среде мембраны липосомы соевого лецитина.</p></sec><sec><title>Заключение</title><p>Заключение. Показано, что минимальный диаметр липосомы, образующейся из очищенного соевого лецитина, составляет 15,3 нм. Винпоцетин не проникает внутрь липосом из очищенного соевого лецитина, а адсорбируется на внешней поверхности их мембраны. Поверхностный избыток при этом по результатам моделирования крупнозернистой молекулярной динамики при температуре 298 К в спиртоводной среде составляет 1,2 • 10-7 моль/м2.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. Liposomal preparations have the following advantages: they protect body cells from the toxic effects of drugs; prolong the action of the drug introduced into the body; protect medicinal substances from degradation; promote the manifestation of targeted specificity due to selective penetration from blood into tissues; change the pharmacokinetics of drugs, increasing their pharmacological effectiveness; allow you to create a water-soluble form of a number of medicinal substances, thereby increasing their bioavailability. The development of liposomal forms of vinpocetine is highly relevant. Currently, when developing the composition of liposomal forms, molecular modeling methods are widely used, which are a convenient method for predicting both the properties of the membranes themselves and aspects of the interaction of membranes with small molecules or proteins.</p></sec><sec><title>Aim</title><p>Aim. The aim of this study is to model the process of liposome assembly from soy lecithin phospholipids in the presence of vinpocetine by the molecular dynamics method; as well as predicting the distribution of vinpocetine between the internal cavity of the liposome, the phospholipid membrane, and the dispersion medium based on the simulation results.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. To simulate the process of liposome formation, the method of coarse-grained molecular dynamics in a Martini 2.2 force field was used using the Gromacs 2016.4 program. The assembly of the simulated system - a solution of soy lecithin phospholipids in water was performed using the Internet service Charmm-GUI-&gt; Inputgenerator-&gt; Martinimaker-&gt; Randombuilder.</p></sec><sec><title>Results and discussion</title><p>Results and discussion. The results of molecular modeling showed that the vinpocetine molecules did not penetrate into the liposome, but were adsorbed on its surface. This is due to the low solubility of vipocetin in the hydrophobic medium of the soy lecithin liposome membrane.</p></sec><sec><title>Conclusion</title><p>Conclusion. It was shown that the minimum diameter of a liposome formed from purified soy lecithin is 15.3 nm. Vinpocetine does not penetrate into liposomes from purified soy lecithin, but is adsorbed on the outer surface of their membrane. The surface excess in this case, according to the results of modeling coarse-grained molecular dynamics at a temperature of 298 K in an alcohol-water medium, is 1.2 • 10-7 mol/m2.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>моделирование</kwd><kwd>липосомы</kwd><kwd>соевый лецитин</kwd><kwd>винпоцетин</kwd><kwd>поверхностный избыток винпоцетина</kwd></kwd-group><kwd-group xml:lang="en"><kwd>modeling</kwd><kwd>liposomes</kwd><kwd>soy lecithin</kwd><kwd>vinpocetine</kwd><kwd>surface excess of vinpocetine</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">Singh A., Sharma V., Pandey B. L. Comparative effectiveness study of vinpocetine vs. nimodipine on functional recovery in patients of head injury. International Journal of Basic &amp; Clinical Pharmacology. 2013;2(1):18-25.</mixed-citation><mixed-citation xml:lang="en">Singh A., Sharma V., Pandey B. L. 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