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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">medgen</journal-id><journal-title-group><journal-title xml:lang="ru">Медицинская генетика</journal-title><trans-title-group xml:lang="en"><trans-title>Medical Genetics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2073-7998</issn><publisher><publisher-name>Publishing House «Genius Media» LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.25557/2073-7998.2023.12.67-71</article-id><article-id custom-type="elpub" pub-id-type="custom">medgen-2389</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>КЛИНИЧЕСКИЙ СЛУЧАЙ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL CASE</subject></subj-group></article-categories><title-group><article-title>Семейный случай наследственного транстиретинового амилоидоза с полинейропатией (ATTR-амилоидоз)</article-title><trans-title-group xml:lang="en"><trans-title>Familial case of hereditary transthyretin amyloidosis with polyneuropathy (ATTR amyloidosis)</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>Лашевич</surname><given-names>П. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Lashevich</surname><given-names>P. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>350000, г. Краснодар, ул.1 Мая, д.167</p></bio><bio xml:lang="en"><p>167, 1 Maya st., Krasnodar, 350000</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Матулевич</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Matulevich</surname><given-names>S. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>350000, г. Краснодар, ул.1 Мая, д.167</p></bio><bio xml:lang="en"><p>167, 1 Maya st., Krasnodar, 350000</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ГБУЗ «Научно-исследовательский институт – Краевая клиническая больница №1 имени профессора С.В. Очаповского» Минздрава Краснодарского края</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Research Institute Regional Clinical Hospital No. 1</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>23</day><month>12</month><year>2023</year></pub-date><volume>22</volume><issue>12</issue><fpage>67</fpage><lpage>71</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Лашевич П.Д., Матулевич С.А., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Лашевич П.Д., Матулевич С.А.</copyright-holder><copyright-holder xml:lang="en">Lashevich P.D., Matulevich S.A.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" 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://www.medgen-journal.ru/jour/article/view/2389">https://www.medgen-journal.ru/jour/article/view/2389</self-uri><abstract><p>Приводится описание семейного случая наследственного транстиретинового амилоидоза. Проведено клиническое обследование и молекулярно-генетическое тестирование пациента 50 лет, его родного брата 44 лет и его сына 30 лет с симптомами полинейропатии, нарушением пищеварения и мочеиспускания. У всех троих пациентов обнаружен патогенный вариант нуклеотидной последовательности с.199G&gt;C (p.(Gly67Arg), p.(G67R) в экзоне 2 гена TTR в гетерозиготном состоянии. Указанный вариант описан при наследственном транстиретиновом семейном амилоидозе. Установление точного диагноза пациентам с симптомами полинейропатии неясного генеза позволит эффективно проводить профилактические мероприятия, минимизировать риск осложнений и провести своевременное медико-генетическое консультирование семьи с целью прогноза потомства.</p></abstract><trans-abstract xml:lang="en"><p>A family case of hereditary transthyretin amyloidosis is described. A clinical examination and molecular genetic testing of a 50-year- old patient, his 44-year-old brother and his 30-year-old son with symptoms of polyneuropathy, indigestion and urination were carried out. All three patients had a pathogenic variant of the nucleotide sequence c.199G&gt;C (p.(Gly67Arg), p.(G67R) in exon 2 of the TTR gene in the heterozygous state. This variant was described in hereditary transthyretin familial amyloidosis. Еstablishing an accurate diagnosis for patients with symptoms of polyneuropathy of unclear genesis will allow effective preventive measures, minimize the risk of complications and conduct timely medical and genetic counseling for family.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>наследственный транстиретиновый амилоидоз</kwd><kwd>полинейропатия</kwd><kwd>транстиретин</kwd><kwd>ATTR-амилоидоз</kwd></kwd-group><kwd-group xml:lang="en"><kwd>hereditary transthyretin amyloidosis</kwd><kwd>polyneuropathy</kwd><kwd>transthyretin</kwd><kwd>ATTR-amyloidosis</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">Копишинская С.В. Транстиретиновая семейная амилоидная полинейропатия. Журнал неврологии и психиатрии им.С.С. Корсакова.2018;118(10): 82-89.</mixed-citation><mixed-citation xml:lang="en">Kopishinskaia S.V. 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