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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">dan</journal-id><journal-title-group><journal-title xml:lang="ru">Доклады Национальной академии наук Беларуси</journal-title><trans-title-group xml:lang="en"><trans-title>Doklady of the National Academy of Sciences of Belarus</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8323</issn><issn pub-type="epub">2524-2431</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">dan-425</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>МЕДИЦИНА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MEDICINE</subject></subj-group></article-categories><title-group><article-title>РОЛЬ АДРЕНОРЕЦЕПТОРОВ В ЭФФЕКТАХ ДЕЙСТВИЯ ЖИРА НА ЭЛЕКТРИЧЕСКУЮ АКТИВНОСТЬ ЖЕЛУДКА И ОБОДОЧНОЙ КИШКИ</article-title><trans-title-group xml:lang="en"><trans-title>ROLE OF ADRENORECEPTORS IN THE EFFECTS OF FAT ON THE ELECTRIC ACTIVITY OF THE STOMACH AND THE COLON</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>Солтанов</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Soltanov</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>член-корреспондент, д-р биол. наук, профессор, гл. науч. сотрудник</p></bio><bio xml:lang="en"><p>Corresponding Member, D. Sc. (Biology), Professor, Chief researcher</p></bio><email xlink:type="simple">biblio@fizio.bas-net.by</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>Комаровская</surname><given-names>Л. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Komarovskaya</surname><given-names>L. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>научный сотрудник</p></bio><bio xml:lang="en"><p>Researcher</p></bio><email xlink:type="simple">biblio@fizio.bas-net.by</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт физиологии Национальной академии наук Беларуси</institution></aff><aff xml:lang="en"><institution>Institute of Physiology of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>15</day><month>08</month><year>2017</year></pub-date><volume>61</volume><issue>3</issue><fpage>78</fpage><lpage>84</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Солтанов В.В., Комаровская Л.М., 2017</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="ru">Солтанов В.В., Комаровская Л.М.</copyright-holder><copyright-holder xml:lang="en">Soltanov V.V., Komarovskaya L.M.</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://doklady.belnauka.by/jour/article/view/425">https://doklady.belnauka.by/jour/article/view/425</self-uri><abstract><p>Цель работы заключалась в изучении эффектов действия жира и адреноблокатора пропранолола на изменения потенциалов гладких мышц (ПГМ) желудка и ободочной кишки, импульсации симпатических волокон (ИСВ). Проведены острые опыты на крысах (наркоз – 70 мг/кг тиопентала натрия, внутрибрюшинно). Установлено, что однократное введение оливкового масла в дуоденум (0,5 мл) приводит к длительному увеличению амплитуды ПГМ пилоруса и реципрокно – к падению в ободочной кишке. Одновременно наступает симпато-ингибирующая реакция – ИСВ в брыжеечных нервах каудальной части кишечника угнетена. Подкожная предварительная инъекция пропранолола устраняет и тот и другой ответы. После длительного добавления в корм оливкового масла (1 мл/сут.) через 30 сут. значительно повышена амплитуда фоновых ПГМ пилоруса, отсутствуют эффекты повышения ПГМ на действие пропранолола, жира, которые регулярно возникают в контроле, но потенциалы ободочной кишки, как и при разовом введении β-блокатора, понижаются достоверно. Эти данные свидетельствуют, что как однократное, так и длительное действие жира на интероцепторы вызывает устойчивое угнетение активности β-адренорецепторов желудка и кишечника, повышается вследствие этого тоническая электрическая активность гладких мышц этих органов. Предполагается, что адреноблокирующие эффекты потребляемого в большом количестве жира на моторную функцию кишечника составляют важное звено периферических механизмов, связанных с процессами ожирения. </p></abstract><trans-abstract xml:lang="en"><p>The objective of the present work is to study the effects of fat and propranolol adrenoblocker on changes in the potentials of smooth muscles (PSM) of the stomach and the colon, impulsion of sympathetic fibres (ISF). Acute experiments on rats (anaestesia – 70 mg/kg of thiopental sodium, intraperitoneally) have been carried. It is found that a single introduction of olive oil into the duodenum (0.5 ml) results in a long increase of the amplitude of the PSM of pilorus and reciprocne – to falling in the colon. Simultaneously, the sympathetic inhibitory reaction occurs and the ISF in the mesenteric nerves of the candal part of the intestines is depressed. The preliminary hypodermic introduction of propranolol eliminates both those answers. After a long addition of olive oil (1 ml/day) to the feed, in 30 days the amplitude of the background PSMs of the pilorus considerably grows and there are no effects of the PSM increase on the action of propranolol and fat regularly arising in the control, but the colon potentials decrease for sure as in the case of a single introduction of the β-blocker. These data show that both single and long actions of the fat on interoceptors cause a stable suppression of the activity of β-adrenoreceptors of the stomach and intestines, thereof the tonic electric activity of the smooth muscles of these organs rises. It is supposed that the adrenoblocking effects of the fat consumed in large quantities on the motor function of the intestines are an important part of the peripheral mechanisms associated with the obesity.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>липиды</kwd><kwd>потенциалы гладких мышц</kwd><kwd>кишечник</kwd><kwd>β-блокаторы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>lipides</kwd><kwd>potentials of smooth muscles</kwd><kwd>intestines</kwd><kwd>β-blocker</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">Nakamura, M. T. Regulation of energy metabolism by long-chain fatty acids / M. T. Nakamura, B. E. 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