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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="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Russian Journal of Immunology</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Immunology</journal-title><trans-title-group xml:lang="ru"><trans-title>Российский иммунологический журнал</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1028-7221</issn><issn publication-format="electronic">2782-7291</issn><publisher><publisher-name xml:lang="en">Russian Society of Immunology</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">62</article-id><article-id pub-id-type="doi">10.46235/1028-7221-011-ISL</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>SHORT COMMUNICATIONS</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>КРАТКИЕ СООБЩЕНИЯ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">INCREASED SERUM LEVEL OF PEPTIDYL ARGININE DEIMINASE TYPE 4 IN VARIOUS MOLECULAR BIOLOGICAL SUBTYPES OF BREAST CANCER</article-title><trans-title-group xml:lang="ru"><trans-title>ПОВЫШЕНИЕ УРОВНЯ ПЕПТИДИЛ-АРГИНИН ДЕИМИНАЗЫ 4 ТИПА В КРОВИ ПРИ РАЗЛИЧНЫХ МОЛЕКУЛЯРНО-БИОЛОГИЧЕСКИХ ПОДТИПАХ РАКА МОЛОЧНОЙ ЖЕЛЕЗЫ</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Tereshin</surname><given-names>O. S.</given-names></name><name xml:lang="ru"><surname>Терешин</surname><given-names>О. C.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Tereshin Oleg S. , PhD (Medicine), Head, Breast Oncology Department</p><p>454087, Chelyabinsk, Blyukher str., 42. Phone: 7 (902) 899-19-39</p></bio><bio xml:lang="ru"><p>Терешин Олег Станиславович – к.м.н., заведующий отделением опухолей молочной железы</p><p>454087, г. Челябинск, ул. Блюхера, 42. Тел.: 8 (902) 899-19-39</p></bio><email>olegter@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Semenova</surname><given-names>A. B.</given-names></name><name xml:lang="ru"><surname>Семенова</surname><given-names>А. Б.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Semenova A.B., PhD, MD (Medicine), Head, Laboratory Department</p></bio><bio xml:lang="ru"><p>Семенова А.Б. – д.м.н., заведующая лабораторнодиагностической службой</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Vazhenin</surname><given-names>A. V.</given-names></name><name xml:lang="ru"><surname>Важенин</surname><given-names>А. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Vazhenin A.V., PhD, MD (Medicine), Professor, Full Member, Russian Academy of Sciences, Chief Physician</p></bio><bio xml:lang="ru"><p>Важенин А.В. – д.м.н., профессор, академик РАН, заслуженный врач РФ, главный врач</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Dolgushin</surname><given-names>I. I.</given-names></name><name xml:lang="ru"><surname>Долгушин</surname><given-names>И. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Dolgushin I.I., PhD, MD (Medicine), Professor, Corresponding Member, Russian Academy of Sciences, Director</p></bio><bio xml:lang="ru"><p>Долгушин И.И. – д.м.н., профессор, член-корр. РАН, заслуженный деятель науки РФ, директор</p></bio><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Nikushkina</surname><given-names>K. V.</given-names></name><name xml:lang="ru"><surname>Никушкина</surname><given-names>К. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Nikushkina K.V., PhD (Medicine), Leading Research Associate</p></bio><bio xml:lang="ru"><p>Никушкина К.В. – к.м.н., ведущий научный сотрудник</p></bio><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Nikonova</surname><given-names>T. I.</given-names></name><name xml:lang="ru"><surname>Никонова</surname><given-names>Т. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Nikonova T.I., Junior Research Associate</p></bio><bio xml:lang="ru"><p>Никонова Т.И. – младший научный сотрудник</p></bio><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Chelyabinsk Regional Cinical Center of Oncology and Nuclear Medicine</institution></aff><aff><institution xml:lang="ru">ГБУЗ «Челябинский областной клинический центр онкологии и ядерной медицины»</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">South Ural State Medical University</institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО «Южно-Уральский государственный медицинский университет» Министерства здравоохранения РФ</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2020-01-15" publication-format="electronic"><day>15</day><month>01</month><year>2020</year></pub-date><volume>23</volume><issue>1</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>97</fpage><lpage>102</lpage><history><date date-type="received" iso-8601-date="2020-04-14"><day>14</day><month>04</month><year>2020</year></date><date date-type="accepted" iso-8601-date="2020-04-14"><day>14</day><month>04</month><year>2020</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2020, Tereshin O.S., Semenova A.B., Vazhenin A.V., Dolgushin I.I., Nikushkina K.V., Nikonova T.I.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2020, Терешин О.C., Семенова А.Б., Важенин А.В., Долгушин И.И., Никушкина К.В., Никонова Т.И.</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="en">Tereshin O.S., Semenova A.B., Vazhenin A.V., Dolgushin I.I., Nikushkina K.V., Nikonova T.I.</copyright-holder><copyright-holder xml:lang="ru">Терешин О.C., Семенова А.Б., Важенин А.В., Долгушин И.И., Никушкина К.В., Никонова Т.И.</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/">https://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://rusimmun.ru/jour/article/view/62">https://rusimmun.ru/jour/article/view/62</self-uri><abstract xml:lang="en"><p>Level of enzyme peptidyl arginine deiminase type 4 (PAD-4) was determined in serum samples collected from 98 females with primary breast cancer within January, 2017 – April, 2018 divided into 5 groups according to immunohistochemistry data: group 1 – luminal A cancer, 2 – luminal B Her-2 negative, 3 – luminal B Her-2 positive, 4 – non-luminal Her-2 positive, 5 – triple negative cancer. Samples were collected prior to the onset of any anti-cancer treatment, and in 41 cases – 15-24 days after performing radical surgery. Control samples were obtained from 20 healthy females. Serum PAD-4 level was measured with Human PAD-4 ELISA Kit (Wuhan Fine Biotech Co., Ltd, China) on automatic analyzer ADALTIS Personal LAB (Adaltis S.r.l., Italy). Statistical analysis was performed by using software IBM SPSS Statistics 19. Mean serum PAD-4 level before treatment was 9.0 ng/ml that did not change after surgery. However, mean PAD-4 level for healthy females was 1.5 ng/ml (0.0-2.0) ng/ml that significantly differed from cancer group (Mann–Whitney U test, U = 38.500, p&lt;0.001). in contrast PAD-4 level in various cancer groups was: group 1 – 11.05 ng/ml, group 2 – 11.9 ng/ml, group 3 – 10.8 ng/ml, group 4 – 7.99 ng/ml, group 5 – 9.9 ng/ml. Thus, level of serum PAD-4 was higher in groups with more favorable luminal cancer, but further research is needed to make definitive conclusions.</p></abstract><trans-abstract xml:lang="ru"><p>Уровень фермента пептидил-аргинин деиминаза 4 типа был определен в образцах сыворотки крови 98 первичных пациенток с раком молочной железы в период с января 2017 по апрель 2018 года. Они были разделены на 5 подгрупп на основании данных стандартного ИГХ: группа 1 – люминальный рак А, группа 2 – люминальный B HER2 негативный рак, 3 – люминальный B HER2 положительный, 4 – нелюминальный HER2 положительный и группа 5 – тройной негативный рак. Образцы крови (сыворотки) были забраны до начала любого вида специального лечения и в 41 случае также спустя 15-24 дня после радикальной операции. Контрольные образцы были взяты у 20 здоровых женщин. Уровень фермента определялся с помощью Human PAD-4 ELISA Kit (Wuhan Fine Biotech Co., Ltd, КНР) на автоматическом анализаторе ADALTIS Personal LAB (Adaltis S.r.l., Италия). Статистический анализ проводился с применением IBM SPSS Statistics 19.</p><p>Среднее значение уровня фермента в сыворотке крови до начала лечения было 9,0 нг/мл и не изменилось в группе повторных измерений после операции. Средний уровень фермента в 5 исследуемых подгруппах был следующим: группа 1 – 11,05 нг/мл, группа 2 – 11,9 нг/мл, группа 3 – 10,8 нг/мл, группа 4 – 7,99 нг/мл, группа 5 – 9,9 нг/мл. Средний уровень фермента у здоровых женщин оказался значимо ниже – 1,5 нг/мл (0,0-2,0) нг/мл, чем у пациенток с раком молочной железы (U-критерий Манна–Уитни, U = 38,500, p &lt; 0,001). Также уровень фермента был выше в группах более благоприятного по прогнозу люминального рака, однако для статистической значимости необходимо больше наблюдений.</p></trans-abstract><kwd-group xml:lang="en"><kwd>breast cancer</kwd><kwd>molecular-biological subtype</kwd><kwd>tumor immune response</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>рак молочной железы</kwd><kwd>молекулярно-биологический подтип</kwd><kwd>противоопухолевый иммунитет</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>1. Berger-Achituv S., Brinkmann V., Abed U.A., Kühn L.I., Ben-Ezra J., Elhasid R., Zychlinsky A.A proposed role for neutrophil extracellular traps in cancer immunoediting. Front. Immunol., 2013, Vol. 4, pp. 1-5.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>2. Chang X., Fang K. PADI4 and tumorogenesis. 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