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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">mimmun</journal-id><journal-title-group><journal-title xml:lang="ru">Медицинская иммунология</journal-title><trans-title-group xml:lang="en"><trans-title>Medical Immunology (Russia)</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1563-0625</issn><issn pub-type="epub">2313-741X</issn><publisher><publisher-name>SPb RAACI</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.15789/1563-0625-LNR-2268</article-id><article-id custom-type="elpub" pub-id-type="custom">mimmun-2268</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>МАТЕРИАЛЫ ФОРУМА "ДНИ ИММУНОЛОГИИ В СПБ" 2021</subject></subj-group></article-categories><title-group><article-title>РЕГУЛЯТОРНЫЕ Т-КЛЕТКИ ЛИМФАТИЧЕСКИХ УЗЛОВ У Muc2-/- МЫШЕЙ С HELICOBACTER SPP.</article-title><trans-title-group xml:lang="en"><trans-title>LYMPH NODE REGULATORY T-CELL IN Muc2-/- MICE WITH HELICOBACTER SPP.</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>Ачасова</surname><given-names>К. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Achasova</surname><given-names>K. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>младший научный сотрудник, г. Новосибирск;</p><p>р. п. Краснообск, Новосибирская обл.</p></bio><bio xml:lang="en"><p>Junior Research Associate, Novosibirsk;</p><p>Junior Research Associate, Krasnoobsk settlement, Novosibirsk region</p></bio><email xlink:type="simple">achasovaks707@gmail.com</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>Гвоздева</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Gvozdeva</surname><given-names>O. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.б.н., научный сотрудник, г. Новосибирск;</p><p>научный сотрудник, р. п. Краснообск, Новосибирская обл.,</p></bio><bio xml:lang="en"><p>PhD (Biology), Research Associate, Novosibirsk;Research Associate, Krasnoobsk settlement, Novosibirsk region</p></bio><email xlink:type="simple">odostovalova@gmail.com</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>Кожевникова</surname><given-names>Е. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Kozhevnikova</surname><given-names>E. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.б.н., заведующая лабораторией, г. Новосибирск;</p><p>ведущий научный сотрудник, р. п. Краснообск, Новосибирская обл.</p></bio><bio xml:lang="en"><p>PhD (Biology), Head of Laboratory, Novosibirsk;</p><p>Leading Researcher, Krasnoobsk settlement, Novosibirsk region</p></bio><email xlink:type="simple">kozhevnikovaen@physiol.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>Литвинова</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Litvinova</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ведущий научный сотрудник, г. Новосибирск;</p><p>к.б.н., заведующая лабораторией, р. п. Краснообск, Новосибирская обл.</p></bio><bio xml:lang="en"><p>Leading Researcher, Novosibirsk;</p><p>PhD (Biology), Head of Laboratory, Krasnoobsk settlement, Novosibirsk region</p></bio><email xlink:type="simple">litvinovaea@physiol.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБНУ «Научно-исследовательский институт нейронаук и медицины»;&#13;
ФГБУН «Сибирский федеральный научный центр агробиотехнологий РАН»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Research Institute of Neurosciences and Medicine;&#13;
Siberian Federal Scientific Centre of Agrobiotechnology, Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>07</day><month>10</month><year>2021</year></pub-date><volume>23</volume><issue>4</issue><fpage>629</fpage><lpage>634</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ачасова К.М., Гвоздева О.В., Кожевникова Е.Н., Литвинова Е.А., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Ачасова К.М., Гвоздева О.В., Кожевникова Е.Н., Литвинова Е.А.</copyright-holder><copyright-holder xml:lang="en">Achasova K.M., Gvozdeva O.V., Kozhevnikova E.N., Litvinova E.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.mimmun.ru/mimmun/article/view/2268">https://www.mimmun.ru/mimmun/article/view/2268</self-uri><abstract><p>Иммунные процессы, связанные с формированием устойчивости к патогенам в кишечнике, зависят от микробиома. Поддержание гомеостаза в кишечнике обеспечивают регуляторные Т-клетки. При воспалительных заболеваниях кишечника (ВЗК) наблюдают как нарушение функции Т-регуляторных клеток, так и изменения микрофлоры. Развитие осложнений при этих заболеваниях сопровождается различными инфекциями. Однако некоторые представители патобионтов, например Helicobacter spp., могут влиять на Т-регуляторные клетки. Одной из генетических моделей для изучения ВЗК являются мыши с нокаутом гена Muc2. У таких мышей, как и у людей с ВЗК, эпителиальные и иммунные клетки кишечника находятся в тесном взаимодействии с микрофлорой. Полагают, что иммунные клетки лимфатических узлов Muc2-/- мышей чувствительны к изменению сформировавшейся у них микрофлоры, даже если в ее состав входят патобионты. В данном исследовании было показано влияние присутствия Helicobacter spp. на количество и процент различных типов лейкоцитов и Т-регуляторных клеток в мезентериальных лимфатических узлах Muc2-/- мышей. Количество CD45+CD19+, CD45+CD3+, CD45+CD3+CD4+, CD45+CD3+CD8+-клеток в мезентериальных лимфатических узлах мышей Muc2-/- был достоверно выше, чем у мышей дикого типа Muc2+/+. Однако наличие инфекции у Muc2-/- мышей отменяло увеличение количества CD45+CD19+, CD45+CD3+, CD45+CD3+CD4+, CD45+CD3+CD8+-клеток. У мышей дикого типа Muc2+/+ инфекция не оказывала достоверного эффекта на клетки в мезентериальных лимфатических узлах. Такое изменение в снижении иммунных клеток в мезентериальных лимфатических узлах под действием Helicobacter spp. может быть связано с активацией регуляторных Т-клеток. Действительно, было показано, что наличие врожденной инфекции Helicobacter spp. вызывало увеличение количества регуляторных Т-клеток (CD45+CD4+CD25+FoxP3+) в мезентериальных лимфатических узлах. Известно, что регуляторные Т-клетки обеспечивают противовоспалительные реакции в кишечнике. Таким образом, увеличение регуляторных Т-клеток способствует снижению всех типов иммунных клеток в мезентериальных лимфатических узлах мышей Muc2-/- с инфекцией Helicobacter spp., что способствует улучшению жизнедеятельности этих мышей и, возможно, уменьшает воспалительные реакции в кишечнике. Это может быть свидетельством того, что некоторые патобионты, приобретенные с рождения, могут быть активаторами регуляторных механизмов иммунитета и, тем самым, оказывать благоприятное воздействие на хозяина. </p></abstract><trans-abstract xml:lang="en"><p>The immune processes associated with the formation of resistance to pathogens in the intestine depend on the microbiome. The maintenance of homeostasis in the intestine is provided by regulatory T-cells. In inflammatory bowel disease (IBD), both a disturbance of the T-regulatory function and changes in microflora are observed. Aggravation of the disease is accompanied by various infections. However, pathobionts such as Helicobacter spp., can affect regulatory T-cells. One of the genetic models for studying IBD is Muc2 knockout mice. In these mice, as in humans with IBD, intestinal epithelial and immune cells closely interact with the microflora. It is believed that the immune cells of the lymph nodes Muc2-/- mice are sensitive to changes in the microflora formed in them. In this study, the effect of Helicobacter spp. on the number and percentage of different types of leukocytes and T regulatory cells in the mesenteric lymph nodes of Muc2-/- mice was studied. The number of CD45+CD19+, CD45+CD3+, CD45+CD3+CD4+, CD45+CD3+CD8+-cells in the mesenteric lymph nodes of Muc2-/- mice was significantly higher to compare with wild-type Muc2+/+ mice. However, the presence of infection in Muc2-/- mice canceled the increase in the number of CD45+CD19+, CD45+CD3+, CD45+CD3+CD4+, CD45+CD3+CD8+-cells. In wild-type Muc2+/+ mice, infection had no significant effect on cells in mesenteric lymph nodes. This change in the decrease in immune cells in the mesenteric lymph nodes under the Helicobacter spp. may be associated with the activation of regulatory T-cells. Indeed, it has been shown that the presence of a congenital Helicobacter spp. infection increased of the number of regulatory T-cells (CD45+CD4+CD25+FoxP3+) in the mesenteric lymph nodes. Well known that regulatory T-cells mediate anti-inflammatory responses in the gut. Thus, an increase in regulatory T-cells promotes a decrease in all types of immune cells in the mesenteric lymph nodes of Muc2-/- mice infected with Helicobacter spp. It could provide an improvement in the vital functions of these mice and possibly reduces inflammatory responses in the intestine. This may indicate that some congenital pathobionts activate of the regulatory mechanisms of immunity and, thereby, have a beneficial effect on the host. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>Т-регуляторные лимфоциты</kwd><kwd>муцин 2</kwd><kwd>микрофлора</kwd><kwd>Helicobacter</kwd><kwd>мыши</kwd></kwd-group><kwd-group xml:lang="en"><kwd>regulatory T-cells</kwd><kwd>mucine 2</kwd><kwd>microflora</kwd><kwd>Helicobacter</kwd><kwd>mice</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">Altobelli A., Bauer M., Velez K., Cover T.L., Müller A. Helicobacter pylori vacA targets myeloid cells in the gastric lamina propria to promote peripherally induced regulatory T-Cell differentiation and persistent infection. MBio, 2019, Vol. 10, no. 2, e00261-19. doi: 10.1128/mBio.00261-19.</mixed-citation><mixed-citation xml:lang="en">Altobelli A., Bauer M., Velez K., Cover T.L., Müller A. Helicobacter pylori vacA targets myeloid cells in the gastric lamina propria to promote peripherally induced regulatory T-Cell differentiation and persistent infection. MBio, 2019, Vol. 10, no. 2, e00261-19. doi: 10.1128/mBio.00261-19.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Arnold I.C., Hutchings C., Kondova I., Hey A., Powrie F., Beverley P., Tchilian E. Helicobacter hepaticus infection in BALB/c mice abolishes subunit-vaccine-induced protection against M. tuberculosis. Vaccine, 2015, Vol. 33, no. 15, pp. 1808-1814.</mixed-citation><mixed-citation xml:lang="en">Arnold I.C., Hutchings C., Kondova I., Hey A., Powrie F., Beverley P., Tchilian E. Helicobacter hepaticus infection in BALB/c mice abolishes subunit-vaccine-induced protection against M. tuberculosis. Vaccine, 2015, Vol. 33, no. 15, pp. 1808-1814.</mixed-citation></citation-alternatives></ref><ref id="cit3"><label>3</label><citation-alternatives><mixed-citation xml:lang="ru">Atarashi K., Tanoue T., Shima T., Imaoka A., Kuwahara T., Momose Y., Cheng G., Yamasaki S., Saito T., Ohba Y., Taniguchi T., Takeda K., Hori S., Ivanov I.I., Umesaki Y., Itoh K., Honda K. Induction of colonic regulatory T cells by indigenous clostridium species. Science, 2011, Vol. 331, no. 6015, pp. 337-341.</mixed-citation><mixed-citation xml:lang="en">Atarashi K., Tanoue T., Shima T., Imaoka A., Kuwahara T., Momose Y., Cheng G., Yamasaki S., Saito T., Ohba Y., Taniguchi T., Takeda K., Hori S., Ivanov I.I., Umesaki Y., Itoh K., Honda K. Induction of colonic regulatory T cells by indigenous clostridium species. Science, 2011, Vol. 331, no. 6015, pp. 337-341.</mixed-citation></citation-alternatives></ref><ref id="cit4"><label>4</label><citation-alternatives><mixed-citation xml:lang="ru">Barnes M.J., Powrie F. Regulatory T-cells reinforce intestinal homeostasis. Immunity, 2009, Vol. 31, no. 3, pp. 401-411.</mixed-citation><mixed-citation xml:lang="en">Barnes M.J., Powrie F. Regulatory T-cells reinforce intestinal homeostasis. Immunity, 2009, Vol. 31, no. 3, pp. 401-411.</mixed-citation></citation-alternatives></ref><ref id="cit5"><label>5</label><citation-alternatives><mixed-citation xml:lang="ru">Bergstrom K.S.B., Kissoon-Singh V., Gibson D.L., Ma C., Montero M., Sham H.P., Ryz N., Huang T., Velcich A., Finlay B.B., Chadee K., Vallance B.A. Muc2 protects against lethal infectious colitis by disassociating pathogenic and commensal bacteria from the colonic mucosa. PLoS Pathog., 2010, Vol. 6, no. 5, e1000902. doi: 10.1371/journal.ppat.1000902.</mixed-citation><mixed-citation xml:lang="en">Bergstrom K.S.B., Kissoon-Singh V., Gibson D.L., Ma C., Montero M., Sham H.P., Ryz N., Huang T., Velcich A., Finlay B.B., Chadee K., Vallance B.A. Muc2 protects against lethal infectious colitis by disassociating pathogenic and commensal bacteria from the colonic mucosa. PLoS Pathog., 2010, Vol. 6, no. 5, e1000902. doi: 10.1371/journal.ppat.1000902.</mixed-citation></citation-alternatives></ref><ref id="cit6"><label>6</label><citation-alternatives><mixed-citation xml:lang="ru">Chow J., Mazmanian S.K. A Pathobiont of the microbiota balances host colonization and intestinal inflammation. Cell Host Microbe, 2010, Vol. 7, no. 4, pp. 265-276.</mixed-citation><mixed-citation xml:lang="en">Chow J., Mazmanian S.K. A Pathobiont of the microbiota balances host colonization and intestinal inflammation. Cell Host Microbe, 2010, Vol. 7, no. 4, pp. 265-276.</mixed-citation></citation-alternatives></ref><ref id="cit7"><label>7</label><citation-alternatives><mixed-citation xml:lang="ru">Furusawa Y., Obata Y., Fukuda S., Endo T. A., Nakato G., Takahashi D., Nakanishi Y., Uetake C., Kato K., Kato T., Takahashi M., Fukuda N.N., Murakami S., Miyauchi E., Hino S., Atarashi K., Onawa S., Fujimura Y., Lockett T., Clarke J.M., Topping D.L., Tomita M., Hori S., Ohara O., Morita T., Koseki H., Kikuchi J., Honda K., Hase K., Ohno H. Commensal microbe-derived butyrate induces the differentiation of colonic regulatory T-cells. Nature, 2013, Vol. 504, no. 7480, pp. 446-450.</mixed-citation><mixed-citation xml:lang="en">Furusawa Y., Obata Y., Fukuda S., Endo T. A., Nakato G., Takahashi D., Nakanishi Y., Uetake C., Kato K., Kato T., Takahashi M., Fukuda N.N., Murakami S., Miyauchi E., Hino S., Atarashi K., Onawa S., Fujimura Y., Lockett T., Clarke J.M., Topping D.L., Tomita M., Hori S., Ohara O., Morita T., Koseki H., Kikuchi J., Honda K., Hase K., Ohno H. Commensal microbe-derived butyrate induces the differentiation of colonic regulatory T-cells. Nature, 2013, Vol. 504, no. 7480, pp. 446-450.</mixed-citation></citation-alternatives></ref><ref id="cit8"><label>8</label><citation-alternatives><mixed-citation xml:lang="ru">Gensollen T., Iyer S.S., Kasper D.L., Blumberg R.S. How colonization by microbiota in early life shapes the immune system. Science, 2016, Vol. 352, no. 6285, pp. 539-544.</mixed-citation><mixed-citation xml:lang="en">Gensollen T., Iyer S.S., Kasper D.L., Blumberg R.S. How colonization by microbiota in early life shapes the immune system. Science, 2016, Vol. 352, no. 6285, pp. 539-544.</mixed-citation></citation-alternatives></ref><ref id="cit9"><label>9</label><citation-alternatives><mixed-citation xml:lang="ru">Geuking M.B., Cahenzli J., Lawson M.A.E., Ng D.C.K., Slack E., Hapfelmeier S., McCoy K.D., Macpherson A.J. Intestinal bacterial colonization induces mutualistic regulatory T-cell responses. Immunity, 2011, Vol. 34, no. 5, pp. 794-806.</mixed-citation><mixed-citation xml:lang="en">Geuking M.B., Cahenzli J., Lawson M.A.E., Ng D.C.K., Slack E., Hapfelmeier S., McCoy K.D., Macpherson A.J. Intestinal bacterial colonization induces mutualistic regulatory T-cell responses. Immunity, 2011, Vol. 34, no. 5, pp. 794-806.</mixed-citation></citation-alternatives></ref><ref id="cit10"><label>10</label><citation-alternatives><mixed-citation xml:lang="ru">Kullberg M.C., Jankovic D., Gorelick P.L., Caspar P., Letterio J.J., Cheever A.W., Sher A. Bacteria-triggered CD4(+) T regulatory cells suppress Helicobacter hepaticus-induced colitis. J. Exp. Med., 2002, Vol. 196, no. 4, pp. 505-515.</mixed-citation><mixed-citation xml:lang="en">Kullberg M.C., Jankovic D., Gorelick P.L., Caspar P., Letterio J.J., Cheever A.W., Sher A. Bacteria-triggered CD4(+) T regulatory cells suppress Helicobacter hepaticus-induced colitis. J. Exp. Med., 2002, Vol. 196, no. 4, pp. 505-515.</mixed-citation></citation-alternatives></ref><ref id="cit11"><label>11</label><citation-alternatives><mixed-citation xml:lang="ru">Kullberg M.C., Ward J.M., Gorelick P.L., Caspar P., Hieny S., Cheever A., Jankovic D., Sher A. Helicobacter hepaticus triggers colitis in specific-pathogen-free interleukin-10 (IL- 10)-deficient mice through an IL-12-and gamma interferon- dependent mechanism. Infect. Immun., 1998, Vol. 66, no. 11, pp. 5157-5166.</mixed-citation><mixed-citation xml:lang="en">Kullberg M.C., Ward J.M., Gorelick P.L., Caspar P., Hieny S., Cheever A., Jankovic D., Sher A. Helicobacter hepaticus triggers colitis in specific-pathogen-free interleukin-10 (IL- 10)-deficient mice through an IL-12-and gamma interferon- dependent mechanism. Infect. Immun., 1998, Vol. 66, no. 11, pp. 5157-5166.</mixed-citation></citation-alternatives></ref><ref id="cit12"><label>12</label><citation-alternatives><mixed-citation xml:lang="ru">Lundgren A., Strömberg E., Sjöling A., Lindholm C., Enarsson K., Edebo A., Johnsson E., Suri-Payer E., Larsson P., Rudin A., Svennerholm A.-M., Lundin B. S. Mucosal FOXP3- expressing CD4+ CD25high regulatory T-cells in Helicobacter pylori-infected patients. Infect. Immun., 2005, Vol. 73, no. 1, pp. 523-531.</mixed-citation><mixed-citation xml:lang="en">Lundgren A., Strömberg E., Sjöling A., Lindholm C., Enarsson K., Edebo A., Johnsson E., Suri-Payer E., Larsson P., Rudin A., Svennerholm A.-M., Lundin B. S. Mucosal FOXP3- expressing CD4+ CD25high regulatory T-cells in Helicobacter pylori-infected patients. Infect. Immun., 2005, Vol. 73, no. 1, pp. 523-531.</mixed-citation></citation-alternatives></ref><ref id="cit13"><label>13</label><citation-alternatives><mixed-citation xml:lang="ru">Östman S., Rask C., Wold A.E., Hultkrantz S., Telemo E. Impaired regulatory T-cell function in germ-free mice. Eur. J. Immunol., 2006, Vol. 36, no. 9, pp. 2336-2346.</mixed-citation><mixed-citation xml:lang="en">Östman S., Rask C., Wold A.E., Hultkrantz S., Telemo E. Impaired regulatory T-cell function in germ-free mice. Eur. J. Immunol., 2006, Vol. 36, no. 9, pp. 2336-2346.</mixed-citation></citation-alternatives></ref><ref id="cit14"><label>14</label><citation-alternatives><mixed-citation xml:lang="ru">Round J.L., Mazmanian S.K. Inducible Foxp3+ regulatory T-cell development by a commensal bacterium of the intestinal microbiota. Proc. Natl Acad. Sci. USA, 2010, Vol. 107, no. 27, pp. 12204-12209.</mixed-citation><mixed-citation xml:lang="en">Round J.L., Mazmanian S.K. Inducible Foxp3+ regulatory T-cell development by a commensal bacterium of the intestinal microbiota. Proc. Natl Acad. Sci. USA, 2010, Vol. 107, no. 27, pp. 12204-12209.</mixed-citation></citation-alternatives></ref><ref id="cit15"><label>15</label><citation-alternatives><mixed-citation xml:lang="ru">Wenzel U.A., Magnusson M.K., Rydström A., Jonstrand C., Hengst J., Johansson M.E., Velcich A., Öhman L., Strid H., Sjövall H., Hansson G.C., Wick M.J. Spontaneous colitis in Muc2-deficient mice reflects clinical and cellular features of active ulcerative colitis. PLoS One, 2014, Vol. 9, no. 6, e100217. doi: 10.1371/journal.pone.0100217.</mixed-citation><mixed-citation xml:lang="en">Wenzel U.A., Magnusson M.K., Rydström A., Jonstrand C., Hengst J., Johansson M.E., Velcich A., Öhman L., Strid H., Sjövall H., Hansson G.C., Wick M.J. Spontaneous colitis in Muc2-deficient mice reflects clinical and cellular features of active ulcerative colitis. PLoS One, 2014, Vol. 9, no. 6, e100217. doi: 10.1371/journal.pone.0100217.</mixed-citation></citation-alternatives></ref></ref-list><fn-group><fn fn-type="conflict"><p>The authors declare that there are no conflicts of interest present.</p></fn></fn-group></back></article>
