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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">Tumors of female reproductive system</journal-id><journal-title-group><journal-title xml:lang="en">Tumors of female reproductive system</journal-title><trans-title-group xml:lang="ru"><trans-title>Опухоли женской репродуктивной системы</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1994-4098</issn><issn publication-format="electronic">1999-8627</issn><publisher><publisher-name xml:lang="en">Publishing House ABV Press</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">200</article-id><article-id pub-id-type="doi">10.17650/1994-4098-2011-0-4-64-67</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>GYNECOLOGY. PROBLEM</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ГИНЕКОЛОГИЯ. ПРОБЛЕМА</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Proteasome activity and subunit composition in endometrial hyperplasia and cancer</article-title><trans-title-group xml:lang="ru"><trans-title>Активность протеасом и их субъединичный состав при гиперпластических процессах и раке эндометрия</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Spirina</surname><given-names>L. V.</given-names></name><name xml:lang="ru"><surname>Спирина</surname><given-names>Л. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>SpirinaLV@oncology.tomsk.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kondakova</surname><given-names>I. V.</given-names></name><name xml:lang="ru"><surname>Кондакова</surname><given-names>И. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kolomiets</surname><given-names>L. A.</given-names></name><name xml:lang="ru"><surname>Коломиец</surname><given-names>Л. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Chernysova</surname><given-names>A. L.</given-names></name><name xml:lang="ru"><surname>Чернышова</surname><given-names>А. Л.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Asadchikova</surname><given-names>O. N.</given-names></name><name xml:lang="ru"><surname>Асадчикова</surname><given-names>О. Н.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Sharova</surname><given-names>N. P.</given-names></name><name xml:lang="ru"><surname>Шарова</surname><given-names>Н. П.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Koval</surname><given-names>V. D.</given-names></name><name xml:lang="ru"><surname>Коваль</surname><given-names>В. Д.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Cancer Research Institute, Tomsk Scientific Centre, SB RAMS</institution></aff><aff><institution xml:lang="ru">НИИ онкологии Томского научного центра СО РАМН</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">N.K. Koltzov Institute of Developmental Biology RAS, Moscow</institution></aff><aff><institution xml:lang="ru">Институт биологии развития им. Н.К. Кольцова РАН, Москва</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2011-11-18" publication-format="electronic"><day>18</day><month>11</month><year>2011</year></pub-date><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>64</fpage><lpage>67</lpage><history><date date-type="received" iso-8601-date="2014-08-21"><day>21</day><month>08</month><year>2014</year></date><date date-type="accepted" iso-8601-date="2014-08-21"><day>21</day><month>08</month><year>2014</year></date></history><permissions><copyright-year>2011</copyright-year><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/></permissions><self-uri xlink:href="https://ojrs.abvpress.ru/ojrs/article/view/200">https://ojrs.abvpress.ru/ojrs/article/view/200</self-uri><abstract xml:lang="en"><p>In endometrial hyperplasia the total proteasome activity was not changed however the 26S proteasome activity was increased in comparison with the normal tissues. In endometrial cancer the high total proteasome activity and activities of 26S and 20S proteasomes wer e revealed. The changes in proteasome activities were correlated with the decreased content of α1α2α3α5α6α7 proteasome subunits and increased con- tents of LMP2, LMP7 and PA28β proteasome subunits compared to that in nonaltered tissues. Low content of α1α2α3α5α6α7 proteasome subunits was revealed at the second stage of cancer patients in comparison with that at the first stage.</p></abstract><trans-abstract xml:lang="ru"><p>При гиперпластических процессах эндометрия изменения тотальной активности протеасом не зарегистрировано, однако происходит увеличение активности пула 26S протеасом по сравнению с таковой при нормальном эпителии. Развитие рака эндометрия связано с повышением тотальной активности протеасом и активности пулов 26S и 20S протеасом. Изменение активности протеасом связано со снижением экспрессии α1α2α3α5α6α7-субъединиц протеасом и увеличением содержания LMP2, LMP7и PA28β-субъединиц протеасом по сравнению с этими показателями при неизмененной ткани эндометрия. Наблюдалось снижение содержания субъединиц протеасом α1α2α3α5α6α7 при II стадии злокачественного процесса по сравнению с их количеством при I стадии.</p></trans-abstract><kwd-group xml:lang="en"><kwd>endometrial hyperplasia</kwd><kwd>endometrial cancer</kwd><kwd>proteasome activity</kwd><kwd>proteasome subunit</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>рак эндометрия</kwd><kwd>гиперпластические процессы эндометрия</kwd><kwd>активность протеасом</kwd><kwd>субъединичный состав</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">1. Чепик О.Ф. Морфогенез гиперпластических процессов эндометрия. 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