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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">RUDN Journal of Agronomy and Animal Industries</journal-id><journal-title-group><journal-title xml:lang="en">RUDN Journal of Agronomy and Animal Industries</journal-title><trans-title-group xml:lang="ru"><trans-title>Вестник Российского университета дружбы народов. Серия: Агрономия и животноводство</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2312-797X</issn><issn publication-format="electronic">2312-7988</issn><publisher><publisher-name xml:lang="en">Peoples’ Friendship University of Russia named after Patrice Lumumba</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">19588</article-id><article-id pub-id-type="doi">10.22363/2312-797X-2020-15-3-294-307</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Veterinary science</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Ветеринария</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">Cfa-miRNAs-122 and -21 as modern biomarkers of primary hepatitis in dogs</article-title><trans-title-group xml:lang="ru"><trans-title>Cfa-микроРНК-122 и -21 как современные биомаркеры первичного гепатита у собак</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>El-Sebaey</surname><given-names>Ahmed Mohammed Hassan</given-names></name><name xml:lang="ru"><surname>Эль-Себаей</surname><given-names>Ахмед Мохаммед Хассан</given-names></name></name-alternatives><bio xml:lang="en"><p>Postgraduate student, Department of Diagnostics of Diseases, Therapy, Obstetrics and Animal Reproduction ; assistant lecturer, Department of Clinical Pathology, Faculty of Veterinary Medicine, Mansoura University</p></bio><bio xml:lang="ru"><p>аспирант кафедры диагностики болезней, терапии, акушерства и репродукции животных, Московская государственная академия ветеринарной медицины и биотехнологии - МВА имени К.И. Скрябина; доцент кафедры клинической патологии факультетa ветеринарной медицины, Университет Мансура</p></bio><email>dr_sebaey@mans.edu.eg</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>Abramov</surname><given-names>Pavel Nikolaevich</given-names></name><name xml:lang="ru"><surname>Абрамов</surname><given-names>Павел Николаевич</given-names></name></name-alternatives><bio xml:lang="en"><p>Candidate of Veterinary Sciences, Associate professor, Department of Diagnostics of Diseases, Therapy, Obstetrics and Animal Reproduction</p></bio><bio xml:lang="ru"><p>кандидат ветеринарных наук, доцент кафедры диагностики болезней, терапии, акушерства и репродукции животных</p></bio><email>Abramov_P@inbox.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Borunova</surname><given-names>Seidfatima Mirovna</given-names></name><name xml:lang="ru"><surname>Борунова</surname><given-names>Сеидфатима Мировна</given-names></name></name-alternatives><bio xml:lang="en"><p>Doctor of Biological Sciences, Professor, Department of Diagnostics of Diseases, Therapy, Obstetrics and Animal Reproduction</p></bio><bio xml:lang="ru"><p>доктор биологических наук, профессор кафедры диагностики болезней, терапии, акушерства и репродукции животных</p></bio><email>fatima.borunova@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Moscow State Academy of Veterinary Medicine and Biotechnology - MVA named K.I. Skryabin</institution></aff><aff><institution xml:lang="ru">Московская государственная академия ветеринарной медицины и биотехнологии имени К.И. Скрябина</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Mansoura University</institution></aff><aff><institution xml:lang="ru">Университет Мансура</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2020-12-15" publication-format="electronic"><day>15</day><month>12</month><year>2020</year></pub-date><volume>15</volume><issue>3</issue><issue-title xml:lang="en">VOL 15, NO3 (2020)</issue-title><issue-title xml:lang="ru">ТОМ 15, №3 (2020)</issue-title><fpage>294</fpage><lpage>307</lpage><history><date date-type="received" iso-8601-date="2020-09-30"><day>30</day><month>09</month><year>2020</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2020, El-Sebaey A.M., Abramov P.N., Borunova S.M.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2020, Эль-Себаей А.М., Абрамов П.Н., Борунова С.М.</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="en">El-Sebaey A.M., Abramov P.N., Borunova S.M.</copyright-holder><copyright-holder xml:lang="ru">Эль-Себаей А.М., Абрамов П.Н., Борунова С.М.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><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://agrojournal.rudn.ru/agronomy/article/view/19588">https://agrojournal.rudn.ru/agronomy/article/view/19588</self-uri><abstract xml:lang="en"><p>Primary hepatitis (PH) is one of the most frequently diagnosed hepatic diseases in dogs. Its popular forms are acute hepatitis (AH) and chronic active hepatitis (CAH) which can progress to hepatic fibrosis and cirrhosis. This investigation aimed to evaluate the use of hepatocyte released Canine familiaris miRNAs(cfamiR)-122 and -21 as serum biological markers for the early and reliable diagnosis of PH and to reveal the onset of hepatic fibrosis. After the ultrasonographic and histological examination, fifteen healthy dogs were involved in the study as control group to compare with other thirty dogs confirmed to have AH or CAH (n = 15). Activity of liver enzymes as well as serum level of globulin and total bilirubin were significantly elevated in AH (P &lt; 0.001) and CAH (P &lt; 0.01) groups whereas, serum level of total protein, albumin, BUN and A/G ratio were significantly lowered in both PH groups (P &lt; 0.01) compared to control. Cfa-miR-122 significantly expressed in AH (P &lt; 0.001) and CAH (P &lt; 0.01) and exhibited a potential significance in distinguishing these groups from control with an area under the curve (AUC) of 0.98 and 0.96, respectively. Additionally, cfa-miR-122 displayed a potential role in distinguishing AH (P &lt; 0.05) from CAH group with an AUC of 0.85. Cfa-miR-21 was only expressed in dogs of CAH group and displayed a potential role in distinguishing this group (P &lt; 0.001) from AH and healthy groups with an AUC of 0.99 and 0.88, respectively. Therefore, cfa-miR-122 can be significantly expressed in dogs with two forms of PH whereas, cfa-miR-21 could be potentially enhanced only in chronic form of PH and may act as new non-invasive biomarker for distinguishing AH from CAH.</p></abstract><trans-abstract xml:lang="ru"><p>Первичный гепатит (ПГ) является одним из наиболее часто диагностируемых заболеваний печени у собак. К его распространенными формами относятся острый гепатит (ОГ) и хронический активный гепатит (ХАГ), которые могут привести к фиброзу и циррозу. Цель исследования - оценка возможного использования полученных из гепатоцитов Canine familiaris-микроРНК (cfa-miR)-122 и 21 в качестве сывороточного биомаркера для ранней диагностики ПГ и выявления начальной стадии фиброза печени у собак с ХАГ. После ультразвукового и гистологического исследования пятнадцать здоровых собак включили в группу контроля для сравнения с тридцатью собаками, у которых было подтверждено наличие ОГ или ХАГ (n = 15). Активность ферментов печени, а также концентрация глобулина и общего билирубина были повышены в группах ОГ (Р &lt; 0,001) и ХАГ (Р &lt; 0,01), тогда как показатели общего белка, альбумина, мочевины и отношение А/Г были значительно снижены у собак с ОГ или ХАГ (P &lt; 0,01). Cfa-miR-122 оказался достоверно выражен при ОГ (P &lt; 0,001) и ХАГ (P &lt; 0,01) и показал потенциальную значимость при выделении этих групп из контроля с площадью под кривой (AUC) 0.98 и 0.96 соответственно. Кроме того, cfa-miR-122 проявил значимость в дифференциации ОГ (Р &lt; 0,05) от ХАГ с AUC0,85. Cfa-miR-21 был повышен у собак с ХАГ и выражал потенциальную роль в дифференцировании этой группы (P &lt; 0,001) от ОГ и контроля с AUC0,99 и 0,88 соответственно. Таким образом, cfa-miR-122 может быть значительно повышен у собак с ПГ тогда как cfa-miR-21 потенциально может быть экспрессирован только в хронической форме ПГ и является новым неинвазивным биомаркером для дифференциации ОГ от ХАГ.</p></trans-abstract><kwd-group xml:lang="en"><kwd>dogs</kwd><kwd>primary hepatitis</kwd><kwd>ultrasonography</kwd><kwd>biochemical analysis</kwd><kwd>histology</kwd><kwd>cfa-miRNAs</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>собака</kwd><kwd>первичный гепатит</kwd><kwd>ультразвуковое исследование</kwd><kwd>биохимический анализ</kwd><kwd>гистология</kwd><kwd>cfa-микроРНК</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Poldervaart JH, Favier RP, Penning LC, Ingh TVD, Rothuizen J. Primary Hepatitis in Dogs: A Retrospective Review (2002-2006). 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