{"id":55393,"date":"2021-05-05T20:50:00","date_gmt":"2021-05-05T17:50:00","guid":{"rendered":"http:\/\/life.karpat.in.ua\/?p=55393"},"modified":"2021-05-05T16:52:29","modified_gmt":"2021-05-05T13:52:29","slug":"kulonleges-genetikai-hatterrel-rendelkeznek-a-105-evig-elo-emberek","status":"publish","type":"post","link":"https:\/\/life.karpat.in.ua\/?p=55393&lang=hu","title":{"rendered":"K\u00fcl\u00f6nleges genetikai h\u00e1tt\u00e9rrel rendelkeznek a 105 \u00e9vig \u00e9l\u0151 emberek"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>K\u00fcl\u00f6nleges genetikai h\u00e1tter\u00fcknek k\u00f6sz\u00f6nhet\u0151en \u00e9lnek egyes emberek ak\u00e1r t\u00f6bb mint 105 \u00e9vig is &#8211; \u00e1llap\u00edtott\u00e1k meg olasz kutat\u00f3k.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"http:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/05\/100-eves-1024x576.jpg\" alt=\"\" class=\"wp-image-55394\" srcset=\"https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/05\/100-eves-1024x576.jpg 1024w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/05\/100-eves-300x169.jpg 300w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/05\/100-eves-768x432.jpg 768w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/05\/100-eves-1536x864.jpg 1536w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/05\/100-eves-2048x1152.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Ez az els\u0151 alkalom, hogy ilyen r\u00e9szletess\u00e9ggel megfejtett\u00e9k a nagyon hossz\u00fa ideig \u00e9l\u0151 emberek genomj\u00e1t, ami \u00fatmutat\u00f3ul szolg\u00e1lhat ahhoz, mi\u00e9rt \u00e9lhetnek ennyire hossz\u00fa \u00e9letet \u00e9s hogyan siker\u00fcl elker\u00fclni\u00fck az id\u0151skori betegs\u00e9geket. &#8220;Az \u00f6reged\u00e9s megn\u00f6veli sz\u00e1mos kr\u00f3nikus betegs\u00e9g \u00e9s \u00e1llapot kock\u00e1zat\u00e1t. A 105 \u00e9v feletti emberek genetikai adotts\u00e1g\u00e1t vizsg\u00e1ltuk \u00e9s \u00f6sszehason\u00edtottuk az Olaszorsz\u00e1g azonos ter\u00fcletein \u00e9l\u0151 fiatalabb feln\u0151ttek\u00e9vel&#8221; &#8211; id\u00e9zte Paolo Garagnanit, a Bolognai Egyetem szak\u00e9rt\u0151j\u00e9t az EurekAlert tudom\u00e1nyos h\u00edrport\u00e1l.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A koll\u00e9g\u00e1ival \u00e9s sz\u00e1mos olasz kutat\u00f3csoport \u00e9s a sv\u00e1jci Lausanne-ban l\u00e9v\u0151 Nestl\u00e9 Kutat\u00f3k\u00f6zpont munkat\u00e1rsainak k\u00f6zrem\u0171k\u00f6d\u00e9s\u00e9vel v\u00e9gzett vizsg\u00e1latba 81 nagyon id\u0151s, 105 \u00e9v \u00e9s 110 \u00e9v feletti embert vontak be. Az \u0151 eredm\u00e9nyeiket az azonos r\u00e9gi\u00f3ban \u00e9l\u0151 36 eg\u00e9szs\u00e9ges szem\u00e9ly\u00e9vel hasonl\u00edtott\u00e1k \u00f6ssze, akiknek \u00e1tlag\u00e9letkora 68 \u00e9v volt.&nbsp;A v\u00e9rvizsg\u00e1latok \u00e9s genomszekven\u00e1l\u00e1sok sor\u00e1n nyert inform\u00e1ci\u00f3kat \u00f6sszevetett\u00e9k kor\u00e1bbi tanulm\u00e1nyokkal, amelyek \u00f6sszesen 333 sz\u00e1z \u00e9ves kor felett \u00e9s 358 hatvan \u00e9v k\u00f6r\u00fcli szem\u00e9lyt vizsg\u00e1ltak. \u00d6t genetikai v\u00e1ltoz\u00e1st azonos\u00edtottak, amelyek gyakoriak a 105 feletti \u00e9s a 110 feletti korcsoportban. Az ellen\u0151rz\u00e9sek sor\u00e1n ugyanezeket megtal\u00e1lt\u00e1k a sz\u00e1z \u00e9ven fel\u00fcliekn\u00e9l is. A sz\u00e1m\u00edt\u00f3g\u00e9pes elemz\u00e9sek szerint ezek a genetikai m\u00f3dosul\u00e1sok megv\u00e1ltoztathatj\u00e1k h\u00e1rom k\u00fcl\u00f6nb\u00f6z\u0151 g\u00e9n kifejez\u0151d\u00e9s\u00e9t, amelyek a sejtek eg\u00e9szs\u00e9ge szempontj\u00e1b\u00f3l kiemelt fontoss\u00e1g\u00faak. Az egyik ilyen g\u00e9n (STK17A) koordin\u00e1lja p\u00e9ld\u00e1ul a sejtv\u00e1laszt DNS-k\u00e1rosod\u00e1s eset\u00e9n, el\u0151seg\u00edti a programozott sejthal\u00e1lt, kezeli a vesz\u00e9lyes reakt\u00edv oxig\u00e9neket. Ezek a folyamatok sz\u00e1mos betegs\u00e9g, p\u00e9ld\u00e1ul a r\u00e1k kialakul\u00e1s\u00e1n\u00e1l j\u00e1tszanak fontos szerepet.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A szakemberek a term\u00e9szetesen el\u0151fordul\u00f3 mut\u00e1ci\u00f3kat is megvizsg\u00e1lt\u00e1k a korcsoportokban. Arra jutottak, hogy a 105, illetve 110 \u00e9v felettiekn\u00e9l h\u00e9tb\u0151l hat g\u00e9nn\u00e9l alacsonyabb volt a mut\u00e1ci\u00f3val terhelts\u00e9g ar\u00e1nya. Ez is hozz\u00e1j\u00e1rulhatott ahhoz, hogy elker\u00fclt\u00e9k \u0151ket az olyan eg\u00e9szs\u00e9g\u00fcgyi probl\u00e9m\u00e1k, mint a sz\u00edvbetegs\u00e9g.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">MTI<\/p>\n","protected":false},"excerpt":{"rendered":"<p>K\u00fcl\u00f6nleges genetikai h\u00e1tter\u00fcknek k\u00f6sz\u00f6nhet\u0151en \u00e9lnek egyes emberek ak\u00e1r t\u00f6bb mint 105 \u00e9vig is &#8211; \u00e1llap\u00edtott\u00e1k meg olasz kutat\u00f3k.<\/p>\n","protected":false},"author":10,"featured_media":55394,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41,49],"tags":[33656],"class_list":["post-55393","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cikkek","category-hirek","tag-genetika"],"_links":{"self":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/55393","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=55393"}],"version-history":[{"count":0,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/55393\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/media\/55394"}],"wp:attachment":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=55393"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=55393"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=55393"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}