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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Russian Journal of Physiology</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Physiology</journal-title><trans-title-group xml:lang="ru"><trans-title>Российский физиологический журнал им. И.М. Сеченова</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0869-8139</issn><issn publication-format="electronic">2658-655X</issn><publisher><publisher-name xml:lang="en">The Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">651673</article-id><article-id pub-id-type="doi">10.31857/S0869813924020058</article-id><article-id pub-id-type="edn">DJPVIL</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>EXPERIMENTAL ARTICLES</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ЭКСПЕРИМЕНТАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Cobalt microinjections into the infralimbic cortex of the anesthetized rat suppresses circulatory and respiratory reactions to the microelectrostimulation of the lateral orbital cortex</article-title><trans-title-group xml:lang="ru"><trans-title>Микроинъекции раствора хлорида кобальта в инфралимбическую кору подавляют реакции систем кровообращения и дыхания анестезированной крысы на микроэлектростимуляцию латеральной орбитальной коры</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Gubarevich</surname><given-names>Е. А.</given-names></name><name xml:lang="ru"><surname>Губаревич</surname><given-names>Е. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>aleksandrovv@infran.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kokurina</surname><given-names>Т. N.</given-names></name><name xml:lang="ru"><surname>Кокурина</surname><given-names>Т. Н.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>aleksandrovv@infran.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Rybakova</surname><given-names>G. I.</given-names></name><name xml:lang="ru"><surname>Рыбакова</surname><given-names>Г. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>aleksandrovv@infran.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Tumanova</surname><given-names>Т. S.</given-names></name><name xml:lang="ru"><surname>Туманова</surname><given-names>Т. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>aleksandrovv@infran.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Aleksandrov</surname><given-names>V. G.</given-names></name><name xml:lang="ru"><surname>Александров</surname><given-names>В. Г.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>aleksandrovv@infran.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Pavlov Institute of Physiology of the Russian Academy of Science</institution></aff><aff><institution xml:lang="ru">Институт физиологии им. И.П. Павлова РАН</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Herzen State Pedagogical University of Russia</institution></aff><aff><institution xml:lang="ru">Российский государственный педагогический университет им. А.И. Герцена</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2024-02-15" publication-format="electronic"><day>15</day><month>02</month><year>2024</year></pub-date><volume>110</volume><issue>2</issue><issue-title xml:lang="ru"/><fpage>216</fpage><lpage>229</lpage><history><date date-type="received" iso-8601-date="2025-02-01"><day>01</day><month>02</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, Russian Academy of Sciences</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, Российская академия наук</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">Russian Academy of Sciences</copyright-holder><copyright-holder xml:lang="ru">Российская академия наук</copyright-holder></permissions><self-uri xlink:href="https://journals.eco-vector.com/0869-8139/article/view/651673">https://journals.eco-vector.com/0869-8139/article/view/651673</self-uri><abstract xml:lang="en"><p>The central autonomous network that controls visceral systems, including circulatory and respiratory systems, includes the visceromotor infralimbic cortex (IL), which is one of the areas of the prefrontal cortex and is located on the medial surface of the large hemispheres. At the same time, there is evidence that areas of the prefrontal cortex located on the orbitofrontal surface, including the lateral orbital cortex (LO), can participate in the control of autonomous functions. The purpose of this work was to experimentally test the hypothesis according to which the participation of LO in the control of respiratory and circulatory functions is realized through IL. To this end, in acute experiments on laboratory rats anesthetized with urethane, the effect of microinjections of cobalt chloride solution (CoCl<sub>2</sub>) in IL on the reactions of circulatory and respiratory systems caused by microelectrostimulation of LO was investigated. It is known that Co2+ ions are non-specific blockers of synaptic transmission, therefore microinjections of CoCl<sub>2</sub> solutions lead to disruption of conduction in the structures of the central nervous system. In the first, control series of experiments, micro-electrical stimulation of LO caused specific responses of the circulatory and respiratory systems, which were consistently reproduced throughout the experiment. In the second, experimental series, the introduction of CoCl<sub>2</sub> solution into IL suppressed responses to micro-electrical stimulation of LO, and this effect turned out to be reversible. The obtained results confirmed the hypothesis put forward about the possible participation of IL in the implementation of autonomous LO functions. The elucidation of the mechanisms that ensure the interaction of LO and IL in the context of autonomous control should be the subject of further experimental research.</p></abstract><trans-abstract xml:lang="ru"><p>В состав центральной автономной сети, осуществляющей контроль висцеральных систем, в том числе систем кровообращения и дыхания, входит висцеромоторная инфралимбическая кора (IL), которая является одной из областей префронтальной коры и расположена на медиальной поверхности больших полушарий. Вместе с тем имеются данные, которые указывают на то, что в контроле автономных функций могут принимать участие области префронтальной коры, расположенные на орбитофронтальной поверхности полушарий, в том числе латеральная орбитальная кора (LO). Цель настоящей работы состояла в том, чтобы экспериментально проверить гипотезу, согласно которой участие LO в контроле функций дыхания и кровообращения реализуется при посредстве IL. С этой целью в острых экспериментах на лабораторных крысах, анестезированных уретаном, было исследовано влияние микроинъекций раствора хлорида кобальта (CoCl<sub>2</sub>) в IL на реакции систем кровообращения и дыхания, вызванные микроэлектростимуляцией LO. Известно, что ионы Co<sup>2+</sup> являются неспецифическими блокаторами синаптической передачи, поэтому следовало ожидать, что микроинъекция раствора CoCl<sub>2</sub> в IL нарушит проведение в этой области коры. В первой контрольной серии экспериментов микроэлектростимуляция LO вызывала специфические ответы систем кровообращения и дыхания, которые стабильно воспроизводились в течение всего эксперимента. Во второй экспериментальной серии введение раствора CoCl<sub>2</sub> в IL подавляло ответы на микроэлектростимуляцию LO, причем этот эффект оказался обратимым. Полученные результаты подтвердили выдвинутую гипотезу о возможном участии IL в реализации автономных функций LO. Выяснение механизмов, обеспечивающих взаимодействие LO и IL в контексте автономного контроля, должно стать предметом дальнейшего экспериментального исследования.</p></trans-abstract><kwd-group xml:lang="en"><kwd>prefrontal cortex</kwd><kwd>autonomic control</kwd><kwd>blood circulation</kwd><kwd>respiration</kwd><kwd>electrical microstimulation</kwd><kwd>rat</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>префронтальная кора</kwd><kwd>автономный контроль</kwd><kwd>кровообращение</kwd><kwd>дыхание</kwd><kwd>микроэлектростимуляция</kwd><kwd>крыса</kwd></kwd-group><funding-group><award-group><funding-source><institution-wrap><institution xml:lang="ru">Институт физиологии им. И.П. Павлова РАН</institution></institution-wrap><institution-wrap><institution xml:lang="en">Institute of Physiology named after. I.P. Pavlova RAS</institution></institution-wrap></funding-source><award-id>0134-2019-0001</award-id></award-group><funding-statement xml:lang="en">This work was financed from the budget of the Program “Basic Scientific Research for Long-Term Development and Ensuring the Competitiveness of Society and the State.” Topic 64.1 (0134-2019-0001) “Disclosure of the mechanisms of interaction between molecular-cellular and systemic regulations of internal organs.”</funding-statement><funding-statement xml:lang="ru">Данная работа финансировалась за счет средств бюджета Программы “Фундаментальные научные исследования для долгосрочного развития и обеспечения конкурентоспособности общества и государства”. 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