<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE book PUBLIC "-//NLM//DTD BITS Book Interchange DTD v2.3 20210610//EN" "BITS-book2.3.dtd"> <book xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:mml="http://www.w3.org/1998/Math/MathML" book-type="conference-proceedings" dtd-version="2.3" xml:lang="en"> <front> <book-meta>  <book-id book-id-type="isbn">978-5-907561-33-5</book-id>   <book-id pub-id-type="doi">10.31483/a-10364</book-id>   <title-group>  <book-title xml:lang="en">Фундаментальные и прикладные исследования по приоритетным направлениям биоэкологии и биотехнологии</book-title>   <trans-title-group xml:lang="ru"> <trans-title>Фундаментальные и прикладные исследования по приоритетным направлениям биоэкологии и биотехнологии</trans-title> </trans-title-group>  </title-group>   <contrib-group>  <contrib contrib-type="editor" id="editor1">  <contrib-id contrib-id-type="role">chief_editor</contrib-id>    <name-alternatives>  <name name-style="eastern" xml:lang="ru"> <surname>Антонова</surname> <given-names>Елена Ивановна</given-names> </name>   <name name-style="western" xml:lang="en"> <surname>Antonova</surname> <given-names>Elena Ivanovna</given-names> </name>  </name-alternatives>  <contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3686-9686</contrib-id> <email xlink:type="simple">antonov_67@mail.ru</email> </contrib>  <contrib contrib-type="editor" id="editor2">    <name-alternatives>  <name name-style="eastern" xml:lang="ru"> <surname>Ленгесова</surname> <given-names>Наталья Анатольевна</given-names> </name>   <name name-style="western" xml:lang="en"> <surname>Lengesova</surname> <given-names>Natal&#039;ia Anatol&#039;evna</given-names> </name>  </name-alternatives>  <contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7512-6386</contrib-id> <email xlink:type="simple">lengesova@yandex.ru</email> </contrib>  </contrib-group>   <contrib-group>  <contrib contrib-type="member-of-organizing-committee" id="orgcomm1">    <name-alternatives>  <name name-style="eastern" xml:lang="ru"> <surname>Антонова</surname> <given-names>Елена Ивановна</given-names> </name>   <name name-style="western" xml:lang="en"> <surname>Antonova</surname> <given-names>Elena Ivanovna</given-names> </name>  </name-alternatives>  <contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3686-9686</contrib-id> </contrib>  <contrib contrib-type="member-of-organizing-committee" id="orgcomm2">    <name-alternatives>  <name name-style="eastern" xml:lang="ru"> <surname>Антонова</surname> <given-names>Елена Ивановна</given-names> </name>   <name name-style="western" xml:lang="en"> <surname>Antonova</surname> <given-names>Elena Ivanovna</given-names> </name>  </name-alternatives>  <contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3686-9686</contrib-id> </contrib>  <contrib contrib-type="member-of-organizing-committee" id="orgcomm3">    <name-alternatives>  <name name-style="eastern" xml:lang="ru"> <surname>Ленгесова</surname> <given-names>Наталья Анатольевна</given-names> </name>   <name name-style="western" xml:lang="en"> <surname>Lengesova</surname> <given-names>Natal&#039;ia Anatol&#039;evna</given-names> </name>  </name-alternatives>  <contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7512-6386</contrib-id> </contrib>  <contrib contrib-type="member-of-organizing-committee" id="orgcomm4">    <name-alternatives>  <name name-style="eastern" xml:lang="ru"> <surname>Беззубенкова</surname> <given-names>Ольга Евгеньевна</given-names> </name>   <name name-style="western" xml:lang="en"> <surname>Bezzubenkova</surname> <given-names>Ol&#039;ga Evgen&#039;evna</given-names> </name>  </name-alternatives>  <contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3243-6381</contrib-id> </contrib>  <contrib contrib-type="member-of-organizing-committee" id="orgcomm5">    <name-alternatives>  <name name-style="eastern" xml:lang="ru"> <surname>Коняев</surname> <given-names>Игорь Сергеевич</given-names> </name>   <name name-style="western" xml:lang="en"> <surname>Koniaev</surname> <given-names>Igor&#039; Sergeevich</given-names> </name>  </name-alternatives>   </contrib>  <contrib contrib-type="member-of-organizing-committee" id="orgcomm6">    <name-alternatives>  <name name-style="eastern" xml:lang="ru"> <surname>Масленников</surname> <given-names>Андрей Викторович</given-names> </name>   <name name-style="western" xml:lang="en"> <surname>Maslennikov</surname> <given-names>Andrei Viktorovich</given-names> </name>  </name-alternatives>  <contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1421-7484</contrib-id> </contrib>  <contrib contrib-type="member-of-organizing-committee" id="orgcomm7">    <name-alternatives>  <name name-style="eastern" xml:lang="ru"> <surname>Куницына</surname> <given-names>Анастасия Владимировна</given-names> </name>   <name name-style="western" xml:lang="en"> <surname>Khambikova</surname> <given-names>Anastasiia Vladimirovna</given-names> </name>  </name-alternatives>   </contrib>  </contrib-group>   <event>  <event-desc xml:lang="ru">Фундаментальные и прикладные исследования по приоритетным направлениям биоэкологии и биотехнологии</event-desc>   <event-desc xml:lang="en">Fundamental and applied research for key propriety areas of bioecology and biotechnology</event-desc>   <conf-date> <day>20</day> <month>05</month> <year>2022</year> </conf-date>    <conf-loc xml:lang="en">Ульяновск</conf-loc>  </event>   <publisher> <publisher-name>ИД «Среда»</publisher-name> </publisher>    <pub-date pub-type="collection"> <year>2022</year> </pub-date>    <permissions> <copyright-statement>Copyright &#x00A9; Vera R. Lezhniova, Ekaterina V. Martynova, Timur I. Khaibullin, Ilnur I. Salafutdinov, Mariia I. Markelova, Aleksandr V. Laikov, Leonid V. Lopukhov, Svetlana F. Khaibullina, 2022</copyright-statement> <copyright-year>2022</copyright-year> <license license-type="open-access" 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>  </book-meta> <book-part book-part-type="conference-paper"> <book-part-meta>  <book-id pub-id-type="doi">10.31483/r-102302</book-id>   <book-id custom-type="publisher-id" pub-id-type="custom">102302</book-id> <title-group>  <chapter-title xml:lang="en">Seasonal changes in serum metabolite and cytokine levels in Multiple Sclerosis</chapter-title>   <trans-title-group xml:lang="ru"> <trans-title>Сезонные изменения уровня метаболитов и цитокинов в сыворотке крови при рассеянном склерозе</trans-title> </trans-title-group>  </title-group>  <contrib-group>   <contrib contrib-type="author" id="author1">   <name-alternatives>  <name name-style="eastern" xml:lang="ru"> <surname>Лежнёва</surname> <given-names>Вера Рунаровна</given-names> </name>   <name name-style="western" xml:lang="en"> <surname>Lezhniova</surname> <given-names>Vera Runarovna</given-names> </name>   </name-alternatives>   <xref ref-type="aff" rid="aff1"/> </contrib>   <contrib contrib-type="author" id="author2">   <name-alternatives>  <name name-style="eastern" xml:lang="ru"> <surname>Мартынова</surname> <given-names>Екатерина Владимировна</given-names> </name>   <name name-style="western" xml:lang="en"> <surname>Martynova</surname> <given-names>Ekaterina Vladimirovna</given-names> </name>   </name-alternatives>  <email xlink:type="simple">ignietferro.venivedivici@gmail.com</email> <xref ref-type="aff" rid="aff1"/> </contrib>   <contrib contrib-type="author" id="author3">   <name-alternatives>  <name name-style="eastern" xml:lang="ru"> <surname>Хайбуллин</surname> <given-names>Тимур Ильдусович</given-names> </name>   <name name-style="western" xml:lang="en"> <surname>Khaibullin</surname> <given-names>Timur Il&#039;dusovich</given-names> </name>   </name-alternatives>   <xref ref-type="aff" rid="aff2"/> </contrib>   <contrib contrib-type="author" id="author4">   <name-alternatives>  <name name-style="eastern" xml:lang="ru"> <surname>Салафутдинов</surname> <given-names>Ильнур Ильдусович</given-names> </name>   <name name-style="western" xml:lang="en"> <surname>Salafutdinov</surname> <given-names>Ilnur Il&#039;dusovich</given-names> </name>   </name-alternatives>   <xref ref-type="aff" rid="aff1"/> </contrib>   <contrib contrib-type="author" id="author5">   <name-alternatives>  <name name-style="eastern" xml:lang="ru"> <surname>Маркелова</surname> <given-names>Мария Ивановна</given-names> </name>   <name name-style="western" xml:lang="en"> <surname>Markelova</surname> <given-names>Mariia Ivanovna</given-names> </name>   </name-alternatives>   <xref ref-type="aff" rid="aff1"/> </contrib>   <contrib contrib-type="author" id="author6">   <name-alternatives>  <name name-style="eastern" xml:lang="ru"> <surname>Лайков</surname> <given-names>Александр Владимирович</given-names> </name>   <name name-style="western" xml:lang="en"> <surname>Laikov</surname> <given-names>Aleksandr Vladimirovich</given-names> </name>   </name-alternatives>   <xref ref-type="aff" rid="aff1"/> </contrib>   <contrib contrib-type="author" id="author7">   <name-alternatives>  <name name-style="eastern" xml:lang="ru"> <surname>Лопухов</surname> <given-names>Леонид Валентинович</given-names> </name>   <name name-style="western" xml:lang="en"> <surname>Lopukhov</surname> <given-names>Leonid Valentinovich</given-names> </name>   </name-alternatives>   <xref ref-type="aff" rid="aff1"/> </contrib>   <contrib contrib-type="author" id="author8">   <name-alternatives>  <name name-style="eastern" xml:lang="ru"> <surname>Хайбуллина</surname> <given-names>Светлана Францевна</given-names> </name>   <name name-style="western" xml:lang="en"> <surname>Khaibullina</surname> <given-names>Svetlana Frantsevna</given-names> </name>   </name-alternatives>   <xref ref-type="aff" rid="aff1"/> </contrib>   <aff-alternatives id="aff1">   <aff xml:lang="ru">  <institution-wrap> <institution-id institution-id-type="ror">05256ym39</institution-id> <institution>Казанский (Приволжский) федеральный университет</institution> </institution-wrap>   <country>Россия</country> </aff>    <aff xml:lang="en">  <institution-wrap> <institution-id institution-id-type="ror">05256ym39</institution-id> <institution>Kazan Federal University</institution> </institution-wrap>   <country>Russia</country> </aff>     </aff-alternatives>  <aff-alternatives id="aff2">   <aff xml:lang="ru">  <institution>ГАУЗ «Республиканский клинический неврологический центр»</institution>   <country>Россия</country> </aff>    <aff xml:lang="en">  <institution>GAUZ &quot;Respublikanskii klinicheskii nevrologicheskii tsentr&quot;</institution>   <country>Russia</country> </aff>   </aff-alternatives>  </contrib-group>   <fpage>213</fpage> <lpage>220</lpage>   <abstract xml:lang="en"> <p>multiple sclerosis (MS) is a chronic debilitating disease of unknown etiology. The disease has a seasonal exacerbation of clinical symptoms, which are frequently described in spring and summer. However, the mechanisms of such seasonal exacerbations remain unknown. In this study, we used targeted metabolomics analysis of serum samples using LC-MC/MC to determine seasonal changes in metabolites. We have found changes in multiple metabolites which differed depending on season. The ceramides, belonging to the sphingolipid pathway, were found activated in spring-summer (SS) and fall-winter (FW) MS, suggesting their central role in disease pathogenesis. Our identification of ceramide activation suggests a mechanism of neuron damage in MS which could be further investigated as therapeutic targets.</p> </abstract>    <trans-abstract xml:lang="ru"> <p>рассеянный склероз (РС) – хроническое инвалидизирующее заболевание неизвестной этиологии. Заболевание характеризуется сезонными обострениями клинических симптомов, которые чаще проявляются весной и летом. Однако механизмы таких сезонных обострений остаются неизвестными. В данной работе мы использовали целевой метаболомный анализ образцов сыворотки с использованием LC-MC/MC для определения сезонных изменений метаболитов. Были выявлены изменения в нескольких метаболитах, которые различались в зависимости от сезона. Было обнаружено также, что церамиды, принадлежащие к сфинголипидному пути, активируются при весенне-летнем и осенне-зимнем РС, что позволяет предположить их центральную роль в патогенезе заболевания. Выявленная активация церамидов наводит на мысль о механизме повреждения нейронов при РС, который можно было бы далее исследовать в качестве терапевтической мишени.</p> </trans-abstract>         <kwd-group xml:lang="ru">  <kwd>рассеянный склероз</kwd>  <kwd>метаболиты</kwd>  <kwd>сезон обострения</kwd>  <kwd>патогенез</kwd>  </kwd-group>    <kwd-group xml:lang="en">  <kwd>multiple sclerosis</kwd>  <kwd>metabolites</kwd>  <kwd>season exacerbation</kwd>  <kwd>pathogenesis</kwd>  </kwd-group>      <funding-group>  <funding-statement>Работа выполнена в рамках Программы стратегического академического лидерства Казанского (Приволжского) федерального университета.</funding-statement>   </funding-group>  </book-part-meta> </book-part> </front>  <back> <ref-list> <title>References</title>  <ref id="ref1"> <label>1</label> <citation-alternatives>  <mixed-citation xml:lang="ru">Bikman B.T. and S.A.J.T.J.o.c.i. Summers // Ceramides as modulators of cellular and whole-body metabolism. – 2011. – 121(11). – P. 4222–4230.</mixed-citation>    </citation-alternatives> <element-citation publication-type="other">  <person-group person-group-type="author">  <name> <surname>Bikman</surname> <given-names>B. 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