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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">Pediatrician (St. Petersburg)</journal-id><journal-title-group><journal-title xml:lang="en">Pediatrician (St. Petersburg)</journal-title><trans-title-group xml:lang="ru"><trans-title>Педиатр</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2079-7850</issn><issn publication-format="electronic">2587-6252</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">106314</article-id><article-id pub-id-type="doi">10.17816/PED12635-42</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Original studies</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Оригинальные 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">The effect of acute mental stress on the exchange of monoamines in the mesocortical and nigrostriatal systems of the rat brain</article-title><trans-title-group xml:lang="ru"><trans-title>Действие острого психического стресса на обмен моноаминов в мезокортикальной и нигростриатной системах головного мозга крыс</trans-title></trans-title-group><trans-title-group xml:lang="zh"><trans-title/></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Bychkov</surname><given-names>Eugenii R.</given-names></name><name xml:lang="ru"><surname>Бычков</surname><given-names>Евгений Рудольфович</given-names></name><name xml:lang="zh"><surname></surname><given-names></given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, PhD, Head of the Laboratory of Chemistry and Pharmacology of Medicinal Compounds, Department of Neuropharmacology</p></bio><bio xml:lang="ru"><p>канд. мед. наук, заведующий лабораторией химии и фармакологии лекарственных средств отдела нейрофармакологии им. С.В. Аничкова</p></bio><email>bychkov@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Karpova</surname><given-names>Inessa V.</given-names></name><name xml:lang="ru"><surname>Карпова</surname><given-names>Инесса Владимировна</given-names></name><name xml:lang="zh"><surname></surname><given-names></given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD (Physiology), Senior Researcher, Department of Neuropharmacology</p></bio><bio xml:lang="ru"><p>канд. биол. наук, старший научный сотрудник отдела нейрофармакологии им. С.В. Аничкова</p></bio><email>inessa.karpova@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Tsikunov</surname><given-names>Sergey G.</given-names></name><name xml:lang="ru"><surname>Цикунов</surname><given-names>Сергей Георгиевич</given-names></name><name xml:lang="zh"><surname></surname><given-names></given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, PhD, Dr. Sci. (Med.), Professor, Head of the Laboratory of Psychophysiology of Emotions, I.P. Pavlov Physiological Department</p></bio><bio xml:lang="ru"><p>д-р мед. наук, профессор, заведующий лабораторией психофизиологии эмоций Физиологического отдела им. И.П. Павлова</p></bio><email>secikunov@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Krytskaya</surname><given-names>Darya V.</given-names></name><name xml:lang="ru"><surname>Крицкая</surname><given-names>Дарья Владимировна</given-names></name><name xml:lang="zh"><surname></surname><given-names></given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Postgraduate Student, I.P. Pavlov Physiological Department</p></bio><bio xml:lang="ru"><p>аспирант физиологического отдела им. И.П. Павлова</p></bio><email>darya_uladzimirawna@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Lebedev</surname><given-names>Andrei A.</given-names></name><name xml:lang="ru"><surname>Лебедев</surname><given-names>Андрей Андреевич</given-names></name><name xml:lang="zh"><surname></surname><given-names></given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Dr. Biol. Sci. (Pharmacology), Head of the Laboratory of General Pharmacology, Department of Neuropharmacology</p></bio><bio xml:lang="ru"><p>д-р биол. наук, профессор, заведующий лабораторией общей фармакологии отдела нейрофармакологии им. С.В. Аничкова</p></bio><email>aalebedev-iem@rambler.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Tissen</surname><given-names>Ilya Yu.</given-names></name><name xml:lang="ru"><surname>Тиссен</surname><given-names>Илья Юрьевич</given-names></name><name xml:lang="zh"><surname></surname><given-names></given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD (Physiology), Senior Researcher, Department of Neuropharmacology</p></bio><bio xml:lang="ru"><p>канд. биол. наук, старший научный сотрудник отдела нейрофармакологии им. С.В. Аничкова</p></bio><email>iljatis@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Pyurveev</surname><given-names>Sarng Sanalovich</given-names></name><name xml:lang="ru"><surname>Пюрвеев</surname><given-names>Сарнг Саналович</given-names></name><name xml:lang="zh"><surname></surname><given-names></given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Postgraduate Student (Pharmacology), Department of Neuropharmacology, Assistant Professor, Department of Pathologic Physiology and Course Immunopathology</p></bio><bio xml:lang="ru"><p>аспирант отдела нейрофармакологии им. С.В. Аничкова, ассистент кафедры патологической физиологии с курсом иммунопатологии</p></bio><email>dr.purveev@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Shabanov</surname><given-names>Petr D.</given-names></name><name xml:lang="ru"><surname>Шабанов</surname><given-names>Петр Дмитриевич</given-names></name><name xml:lang="zh"><surname></surname><given-names></given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, PhD, Dr. Sci. (Med.), Professor, Head of the Laboratory of Psychophysiology of Emotions, I.P. Pavlov Physiological Department</p></bio><bio xml:lang="ru"><p>д-р мед. наук, профессор, заведующий лабораторией психофизиологии эмоций Физиологического отдела им. И.П. Павлова</p></bio><email>pdshabanov@mail.ru</email><xref ref-type="aff" rid="aff3"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Institute of Experimental Medicine</institution></aff><aff><institution xml:lang="ru">Институт экспериментальной медицины</institution></aff><aff><institution xml:lang="zh"></institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">St. Petersburg State Pediatric Medical University</institution></aff><aff><institution xml:lang="ru">Санкт-Петербургский государственный педиатрический медицинский университет</institution></aff><aff><institution xml:lang="zh"></institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Institute of Experimental Medicine</institution></aff><aff><institution xml:lang="ru">Институт экспериментальной медицины</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2022-04-18" publication-format="electronic"><day>18</day><month>04</month><year>2022</year></pub-date><volume>12</volume><issue>6</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><issue-title xml:lang="zh"/><fpage>35</fpage><lpage>42</lpage><history><date date-type="received" iso-8601-date="2022-04-15"><day>15</day><month>04</month><year>2022</year></date><date date-type="accepted" iso-8601-date="2022-04-15"><day>15</day><month>04</month><year>2022</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2022, Bychkov E.R., Karpova I.V., Tsikunov S.G., Krytskaya D.V., Lebedev A.A., Tissen I.Y., Pyurveev S.S., Shabanov P.D.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2022, Бычков Е.Р., Карпова И.В., Цикунов С.Г., Крицкая Д.В., Лебедев А.А., Тиссен И.Ю., Пюрвеев С.С., Шабанов П.Д.</copyright-statement><copyright-statement xml:lang="zh">Copyright ©; 2022, Bychkov E., Karpova I., Tsikunov S., Krytskaya D., Lebedev A., Tissen I., Pyurveev S., Shabanov P.</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="en">Bychkov E.R., Karpova I.V., Tsikunov S.G., Krytskaya D.V., Lebedev A.A., Tissen I.Y., Pyurveev S.S., Shabanov P.D.</copyright-holder><copyright-holder xml:lang="ru">Бычков Е.Р., Карпова И.В., Цикунов С.Г., Крицкая Д.В., Лебедев А.А., Тиссен И.Ю., Пюрвеев С.С., Шабанов П.Д.</copyright-holder><copyright-holder xml:lang="zh">Bychkov E., Karpova I., Tsikunov S., Krytskaya D., Lebedev A., Tissen I., Pyurveev S., Shabanov P.</copyright-holder><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">http://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.eco-vector.com/pediatr/article/view/106314">https://journals.eco-vector.com/pediatr/article/view/106314</self-uri><abstract xml:lang="en"><p><bold>Background.</bold> Мesocortical and nigrostriatal dopaminergic systems are highly sensitive to stressful events. One of the most adequate models of acute psychogenic stress in animals is the death of a partner upon presentation of a predator.</p> <p><bold>Aim.</bold> To study the content of dopamine (DA), serotonin and their metabolites: dioxyphenylacetic (DOPAC), homovanillic and 5-hydroxyindoleacetic (5-HIAA) acids in the prefrontal cortex, striatum, and ventral tegmental area in rats on days 3, 7, and 14 after the acute psychogenic stress of the death of a partner upon presentation of a predator.</p> <p><bold>Materials and methods.</bold> 28 male Wistar rats were studied. Acute single psychotraumatic situation was used. A group of rats was placed in a tiger python terrarium. One animal died as a result of its nutritional needs, the rest of the rats experienced the death of a partner. The content of monoamines in the brain structures was carried out by high performance liquid chromatography with electrochemical detection.</p> <p><bold>Results.</bold> Changes in the content of monoamines in the prefrontal cortex, striatum, and ventral tegmental area were found on the 7 and 14 days after the presentation of the predator. In the ventral tegmental area on the 7 day, there was an increase in the DOPAC/DA ratio and an increase in the serotonin metabolite 5-HIAA, which reflects an increase in the activity of dopamine and serotonin. In the prefrontal cortex on the 14 day, the DOPAС content and the DOPAС/DA index decreased. The 5-HIAA content in the prefrontal cortex and the 5-HIAA/5-HT value also significantly decreased.</p> <p><bold>Conclusions.</bold> Changes in the metabolism of monoamines after presentation of a predator develop gradually: increase of the dopamine and serotonin activity in the ventral tegmental area was noted on the 7 day after presentation of the predator, decrease in their activity in the striatum and prefrontal cortex only on the 14 day, reflecting the development of depressive states and post-traumatic stress disorder.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Актуальность. </bold>Мезокортикальная и нигростриатная дофаминергические системы высокочувствительны к стрессорным психогенным воздействиям. Одна из наиболее адекватных моделей острого психогенного стресса у животных — это ситуация гибели партнера при предъявлении хищника.</p> <p><bold>Цель исследования</bold> — изучить динамику уровня дофамина (ДА), серотонина и их метаболитов: диоксифенилуксусной (ДОФУК), гомованилиновой и 5-гидроксииндолуксусной (5-ГИУК) кислот — в префронтальной коре, стриатуме и вентральной области покрышки у крыс на 3, 7 и 14-й дни после острого психогенного воздействия ситуации гибели партнера при предъявлении хищника.</p> <p><bold>Материалы и методы.</bold> В работе было использовано 28 крыс-самцов линии Вистар. Применяли острую однократную психотравмирующую ситуацию. Крыс помещали в террариум к тигровому питону. Одно животное погибало в результате пищевых потребностей питона, остальные крысы переживали ситуацию гибели партнера. Определение уровня моноаминов в структурах мозга проводили методом высокоэффективной жидкостной хроматографии с электрохимической детекцией.</p> <p><bold>Результаты.</bold> Обнаружены изменения уровня моноаминов и их метаболитов в префронтальной коре, стриатуме и вентральной области покрышки на 7-й и 14-й дни после предъявления хищника. В вентральной области покрышки на 7-й день отмечалось повышение индекса ДОФУК/ДА и уровня метаболита серотонина 5-ГИУК, что отражает возрастание активности дофамин- и серотонинергической систем. В префронтальной коре на 14-й день содержание ДОФУК и показатель ДОФУК/ДА снижались. Уровень 5-ГИУК и индекс 5-ГИУК/5-ГТ в префронтальной коре так же значительно снижались.</p> <p><bold>Заключение.</bold> Изменения обмена моноаминов развиваются постепенно после предъявления хищника, в вентральной области покрышки отмечается повышение активности дофаминовой и серотониновой систем на 7-й день после предъявления хищника, а на 14-й день снижение их активности в стриатуме и префронтальной коре, отражая развитие депрессивноподобных состояний и посттравматического стрессорного расстройства.</p></trans-abstract><trans-abstract xml:lang="zh"><p/></trans-abstract><kwd-group xml:lang="en"><kwd>psychogenic stress</kwd><kwd>predator</kwd><kwd>dopamine</kwd><kwd>serotonin</kwd><kwd>mesocortical system</kwd><kwd>striatum</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>психогенный стресс</kwd><kwd>хищник</kwd><kwd>дофамин</kwd><kwd>серотонин</kwd><kwd>мезокортикальная система</kwd><kwd>стриатум</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Pertsov SS, Sudakov KV, Koplik EV, et al. 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