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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">vavilov</journal-id><journal-title-group><journal-title xml:lang="ru">Вавиловский журнал генетики и селекции</journal-title><trans-title-group xml:lang="en"><trans-title>Vavilov Journal of Genetics and Breeding</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2500-3259</issn><publisher><publisher-name>Institute of Cytology and Genetics of Siberian Branch of the RAS</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18699/VJ16.144</article-id><article-id custom-type="elpub" pub-id-type="custom">vavilov-579</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>Наследственные особенности физиологических функций</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Hereditary features of physiological functions</subject></subj-group></article-categories><title-group><article-title>Влияние неонатального хэндлинга на поведение и стресс-ответ у крыс, селекционируемых по реакции на человека</article-title><trans-title-group xml:lang="en"><trans-title>Effects of neonatal handling on behavior and stress-response in rats selected for reaction towards humans</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>Гербек</surname><given-names>Ю. Э.</given-names></name><name name-style="western" xml:lang="en"><surname>Herbeck</surname><given-names>Yu. E.</given-names></name></name-alternatives><email xlink:type="simple">herbek@bionet.nsc.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>Амелькина</surname><given-names>О. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Amelkina</surname><given-names>O. A.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Коношенко</surname><given-names>М. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Konoshenko</surname><given-names>M. Yu.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шихевич</surname><given-names>С. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Shikhevich</surname><given-names>S. G.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гулевич</surname><given-names>Р. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Gulevich</surname><given-names>R. G.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кожемякина</surname><given-names>Р. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kozhemyakina</surname><given-names>R. V.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Плюснина</surname><given-names>И. З.</given-names></name><name name-style="western" xml:lang="en"><surname>Plyusnina</surname><given-names>I. Z.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Оськина</surname><given-names>И. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Oskina</surname><given-names>I. N.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Федеральное государственное бюджетное научное учреждение «Федеральный исследовательский центр Институт цитологии и генетики Сибирского отделения Российской академии наук», Новосибирск, Россия<country>Россия</country></aff><aff xml:lang="en">Institute of Cytology and Genetics SB RAS, Novosibirsk, Russia<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">Федеральное государственное бюджетное научное учреждение «Федеральный исследовательский центр Институт цитологии и генетики Сибирского отделения Российской академии наук», Новосибирск, Россия&#13;
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Федеральное государственное автономное образовательное учреждение высшего образования «Новосибирский национальный исследовательский государственный университет», Новосибирск, Россия&#13;
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Институт исследования животных в зоопарках и в природе Общества им. Лейбница, Отдел репродуктивной биологии, Берлин, Германия<country>Россия</country></aff><aff xml:lang="en">Institute of Cytology and Genetics SB RAS, Novosibirsk, Russia&#13;
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Novosibirsk State University, Novosibirsk, Russia&#13;
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Leibniz Institute for Zoo and Wildlife Research, Department of Reproduction Biology<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2016</year></pub-date><pub-date pub-type="epub"><day>17</day><month>05</month><year>2016</year></pub-date><volume>20</volume><issue>2</issue><fpage>145</fpage><lpage>154</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Гербек Ю.Э., Амелькина О.А., Коношенко М.Ю., Шихевич С.Г., Гулевич Р.Г., Кожемякина Р.В., Плюснина И.З., Оськина И.Н., 2016</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="ru">Гербек Ю.Э., Амелькина О.А., Коношенко М.Ю., Шихевич С.Г., Гулевич Р.Г., Кожемякина Р.В., Плюснина И.З., Оськина И.Н.</copyright-holder><copyright-holder xml:lang="en">Herbeck Y.E., Amelkina O.A., Konoshenko M.Y., Shikhevich S.G., Gulevich R.G., Kozhemyakina R.V., Plyusnina I.Z., Oskina I.N.</copyright-holder><license 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://vavilov.elpub.ru/jour/article/view/579">https://vavilov.elpub.ru/jour/article/view/579</self-uri><abstract><p>Известно, что неонатальный хэндлинг может приводить к устойчивым изменениям нейробиологического и поведенческого фенотипов. Под влиянием неонатального хэндлинга у крыс, селекционированных на усиление агрессивно-оборонительной реакции по отношению к человеку («агрессивные», 44-е поколение), происходило значительное ослабление агрессии, сопровождаемое снижением стресс-реактивности. Однако и у интактных агрессивных крыс последних поколений (70-е) отмечали более низкий стрессорный уровень кортикостерона относительно 44-го поколения, который не так существенно отличался от соответствующего уровня гормона у «ручных» крыс, селекционируемых в противоположном направлении – на отсутствие агрессии к человеку. Исследование проводили на серых крысах 75-го поколения отбора на агрессивное поведение и для сравнения – на ручное. Целью данной работы было выяснить, сопровождается ли снижение стресс-реактивности у агрессивных крыс на современном этапе селекции ослаблением эффекта хэндлинга на агрессивность. Под влиянием неонатального хэндлинга у агрессивных животных обнаружено достоверное, но существенно меньшее, чем у крыс 44-го поколения, снижение агрессивности. При этом как у агрессивных, так и ручных крыс стрессорный уровень кортикостерона в крови возвращался к базальному уровню в течение более длительного времени, чем у соответствующих контрольных животных. Неонатальный хэндлинг вызывал понижение количества мРНК рецептора глюкокортикоидов (ГР) в гиппокампе агрессивных крыс, но достоверно не влиял на количество мРНК кортикотропин-рилизинг (КРГ) гормона в гипоталамусе. Однако в контроле отмечали более высокое содержание мРНК КРГ у агрессивных крыс относительно ручных и, наоборот, не обнаружили различий в количестве мРНК ГР между линиями в отличие от более ранних поколений. Показано, что хэндлинг детенышей положительно влиял на материнское поведение у ручных крыс. Таким образом, результаты, полученные в 75-м поколении отбора, свидетельствуют о том, что эффект хэндлинга на агрессивность ослабевает на фоне понижения стресс-реактивности у агрессивных крыс. Вероятно, это связано с изменением количества ГР в гиппокампе и усилением глюкокортикоидной обратной связи на современном этапе отбора. Небольшое увеличение продолжительности стресс-ответа, по-видимому, связано со стрессогенной составляющей неонатального хэндлинга и не связано с изменением материнской заботы.</p></abstract><trans-abstract xml:lang="en"><p>It is known that neonatal handling may cause longterm changes in neurobiological and behavioral phenotypes. Neonatal handling of rats selected for enhanced aggressiveness towards humans (“aggressive” rats of generation 44) significantly mitigated aggression and stress responsiveness. However, levels of corticosterone in stress in intact aggressive rats of later generations (70s) were lower than in generation 44, which differed little from the corresponding value in “tame” rats, selected in the opposite direction, for the absence of aggressiveness towards humans. The study was conducted with Norway rat populations of the 75th generation of selection for aggressive and tame behavior, respectively. The goal was to find out whether the decrease in stress response in aggressive rats at the current stage of selection was accompanied by a decrease in the influence of handling on aggressiveness. It was found that neonatal handling of aggressive animals caused a significant decrease in aggressiveness, although considerably smaller than in generation 44. In both aggressive and tame rats, the blood corticosterone level at stress was getting back to the basal level for a longer time than in the corresponding control groups. Neonatal handling decreased the amount of mRNA for the glucocorticoid receptor (GR) in the hippocampus of aggressive rats but did not affect significantly the amount of mRNA for the corticotropin-releasing hormone (CRH) in the hypothalamus. However, higher contents of CRH mRNA were recorded in aggressive rats than in tame ones in the control groups. However, no differences in glucocorticoid receptor mRNA  were found between the strains in contrast to earlier generations. It was shown that neonatal handling was beneficial for maternal behavior in tame rats. Thus, the results obtained in the 75th generation of selection indicate that the effect of handling on aggressiveness weakens with decreasing stress responsiveness in aggressive rats. This is likely to be related to the changing amount of GR in the hippocampus and stronger glucocorticoidmediated feedback at the current stage of selection. The minor prolongation of the stress response appears to be related to the stressing component of neonatal handling rather than to changes in maternal care.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>неонатальный хэндлинг</kwd><kwd>агрессия</kwd><kwd>агрессивные крысы</kwd><kwd>ручные крысы</kwd><kwd>материнское поведение</kwd><kwd>отбор по поведению.</kwd></kwd-group><kwd-group xml:lang="en"><kwd>neonatal handling</kwd><kwd>aggression</kwd><kwd>maternal behavior</kwd><kwd>aggressive rats</kwd><kwd>tame rats</kwd><kwd>selection for behavior</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">Беляев Д.К., Бородин П.М. Влияние стресса на наследственную изменчивость и его роль в эволюции. Эволюционная генетика. 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