{"id":94947,"date":"2020-03-10T14:37:41","date_gmt":"2020-03-10T13:37:41","guid":{"rendered":"http:\/\/semmelweis.hu\/hirek\/?p=94947"},"modified":"2020-03-10T14:36:44","modified_gmt":"2020-03-10T13:36:44","slug":"17-szenior-akademia-fokuszban-a-molekulak","status":"publish","type":"post","link":"https:\/\/semmelweis.hu\/hirek\/2020\/03\/10\/17-szenior-akademia-fokuszban-a-molekulak\/","title":{"rendered":"17. Szenior Akad\u00e9mia \u2013 f\u00f3kuszban a molekul\u00e1k"},"content":{"rendered":"<div class=\"lead\">A 250 \u00e9ves Semmelweis Egyetem jubileumi \u00e9v\u00e9nek keret\u00e9ben megrendezett szabadel\u0151ad\u00e1s-sorozat, a Szenior Akad\u00e9mia idei szemeszter\u00e9nek \u00f6t\u00f6dik alkalm\u00e1n a sejten bel\u00fcli molekul\u00e1k, vagyis a nanovil\u00e1g rejtelmeibe kalauzolta el az \u00e9rdekl\u0151d\u0151ket dr. Kellermayer Mikl\u00f3s, az \u00c1ltal\u00e1nos Orvostudom\u00e1nyi Kar d\u00e9k\u00e1nja. El\u0151ad\u00e1s\u00e1ban kit\u00e9rt a l\u00e9zercsipeszre, az egyedi molekul\u00e1k szintj\u00e9n a sz\u00edvizom rugalmass\u00e1g\u00e1t meghat\u00e1roz\u00f3 legfontosabb feh\u00e9rj\u00e9re, a titinre, valamint sz\u00f3lt a DNS molekula mechanik\u00e1j\u00e1r\u00f3l is.<\/div>\n<p>Dr. Kellermayer Mikl\u00f3s, az \u00c1ltal\u00e1nos Orvostudom\u00e1nyi Kar d\u00e9k\u00e1nja <a href=\"https:\/\/semmelweis.hu\/hirek\/files\/2020\/03\/Senior_Akade\u0301mia_Kellermayer_20200302.pdf\">\u201eHogyan fogjunk meg egyetlen molekul\u00e1t?\u201d c\u00edm\u0171 el\u0151ad\u00e1s\u00e1ban<\/a> kit\u00e9rt r\u00e1, hogy a nanovil\u00e1g gondolata el\u0151sz\u00f6r egy elm\u00e9leti fizikus, Richard P. Feynman el\u0151ad\u00e1s\u00e1ban mer\u00fclt fel. Mint mondta, a nanotechnol\u00f3gia seg\u00edts\u00e9g\u00e9vel egy nanom\u00e9teres m\u00e9retsk\u00e1l\u00e1n k\u00fcl\u00f6nb\u00f6z\u0151 izgalmas felfedez\u00e9sek \u00e9s alkalmaz\u00e1sok tehet\u0151k. K\u00e9t f\u0151 elve a miniat\u00fcriz\u00e1l\u00e1s illetve az atomokb\u00f3l \u00e9p\u00edtkez\u00e9s. A d\u00e9k\u00e1n r\u00e1mutatott: bizonyos helyzetekben \u00e9rdemes a molekul\u00e1kat egyenk\u00e9nt vizsg\u00e1lni, mert seg\u00edts\u00e9g\u00fckkel \u00faj felfedez\u00e9sek tehet\u0151k, p\u00e9ld\u00e1ul egy\u00e9neket tudnak \u00edgy azonos\u00edtani a sokas\u00e1gban, v\u00e9letlenszer\u0171 folyamatok ismerhet\u0151k meg, de biol\u00f3giai molekul\u00e1k mechanik\u00e1ja is jellemezhet\u0151. Sz\u00f3lt az atomi er\u0151mikroszk\u00f3pi\u00e1r\u00f3l, mint a nanotechnol\u00f3gia egyik legfontosabb vizsg\u00e1lati \u00e9s manipul\u00e1ci\u00f3s m\u00f3dszer\u00e9r\u0151l, mely seg\u00edts\u00e9g\u00e9vel atomokat \u00e9s molekul\u00e1kat is le tudnak tapogatni.<\/p>\n\r\n        [slb_exclude]\r\n        <div class=\"row galeria-wrapper mx-0 h-auto\">\r\n            <div class=\"col-9 pl-0 pr-2\">\r\n            <span class=\"gallery-item frame\">\r\n\t\t\t\t<div class=\"galeria-left-img\"><a href=\"https:\/\/semmelweis.hu\/hirek\/files\/2020\/03\/RS110783_C19A1820-scr.jpg\"><img src=https:\/\/semmelweis.hu\/hirek\/files\/2020\/03\/RS110783_C19A1820-scr.jpg  \r\n                            alt=\"\" \r\n                            class=\"attachment-sote-gallery-big size-sote-gallery-big\" \r\n                            srcset=\"https:\/\/semmelweis.hu\/hirek\/files\/2020\/03\/RS110783_C19A1820-scr-400x267.jpg 400w, 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A vizsg\u00e1lni k\u00edv\u00e1nt molekul\u00e1t k\u00fcl\u00f6nb\u00f6z\u0151 elj\u00e1r\u00e1sokkal k\u00e9t-h\u00e1rom mikrom\u00e9ter \u00e1tm\u00e9r\u0151j\u0171 polimer gy\u00f6ngyh\u00f6z kapcsolj\u00e1k, ami foganty\u00fak\u00e9nt m\u0171k\u00f6dve seg\u00edt a molekula megragad\u00e1s\u00e1ban \u2013 ismertette. Kit\u00e9rt a titinmolekul\u00e1ra &#8211; az izom rugalmas feh\u00e9rj\u00e9je, mely a sz\u00edvizom rugalmass\u00e1g\u00e1t is meghat\u00e1rozza \u2013\u00a0 illetve a titin rugalmass\u00e1g \u00e9s stabilit\u00e1s dom\u00e9nszint\u0171 szab\u00e1lyoz\u00e1s\u00e1ra. A l\u00e9zercsipeszben a titinmolekula v\u00e9geihez ragasztott mikrom\u00e9ter \u00e1tm\u00e9r\u0151j\u0171 gy\u00f6ngy\u00f6k seg\u00edts\u00e9g\u00e9vel ragadj\u00e1k meg \u00e9s ny\u00fajtj\u00e1k meg a molekul\u00e1t, illetve m\u00e9rik meg rugalmass\u00e1g\u00e1t \u00e9s szerkezetv\u00e1ltoz\u00e1sait \u2013 ismertette a vizsg\u00e1lat l\u00e9p\u00e9seit a d\u00e9k\u00e1n. A norm\u00e1l illetve k\u00f3r\u00f3s (kardiomiop\u00e1ti\u00e1s) sz\u00f6vetb\u0151l izol\u00e1lt titinmolekul\u00e1k mechanikai tulajdons\u00e1gait \u00f6sszehasonl\u00edtva lehet k\u00f6vetkeztetni arra, hogy a titin szerkezeti v\u00e1ltoz\u00e1sai milyen l\u00e9p\u00e9seken kereszt\u00fcl vezethetnek el a k\u00f3ros \u00e1llapothoz.<\/p>\n<div class=\"keretes\">Dr. Kellermayer Mikl\u00f3s orvos, biofizikus 1988-ban diplom\u00e1zott a P\u00e9csi Orvostudom\u00e1nyi Egyetem. 2008-t\u00f3l a Biofizikai \u00e9s Sug\u00e1rbiol\u00f3giai Int\u00e9zet igazgat\u00f3ja. 2009 \u00e9s 2012 k\u00f6z\u00f6tt tudom\u00e1nyos, innov\u00e1ci\u00f3s \u00e9s nemzetk\u00f6zi kapcsolatok\u00e9rt felel\u0151s rektorhelyettes volt, 2013-2015-ig oktat\u00e1s\u00e9rt felel\u0151s d\u00e9k\u00e1nhelyettes, majd 2019-t\u0151l az \u00c1ltal\u00e1nos Orvostudom\u00e1nyi Kar d\u00e9k\u00e1nja. Szakter\u00fclete a molekul\u00e1ris biofizika, izom-biofizika \u00e9s nano-biotechnol\u00f3gia, f\u0151 kutat\u00e1si ter\u00fcletei k\u00f6z\u00e9 tartozik a biomolekul\u00e1ris rugalmass\u00e1g, az egyedi molekula manipul\u00e1ci\u00f3, valamint a motorfeh\u00e9rj\u00e9k vizsg\u00e1lata. A Washington State University posztdoktori \u00f6szt\u00f6nd\u00edjasak\u00e9nt 1995-ben \u00e9p\u00edtette az els\u0151 l\u00e9zercsipesz\u00e9t, \u00e9s kutat\u00f3csoportj\u00e1val az els\u0151k k\u00f6z\u00f6tt volt, aki a l\u00e9zernyal\u00e1b seg\u00edts\u00e9g\u00e9vel meg tudott fogni \u00e9s kigomboly\u00edtani egyetlen feh\u00e9rjemolekul\u00e1t, nevezetesen a titint, megvizsg\u00e1lva rugalmass\u00e1g\u00e1t. Kutat\u00e1saiban fontos ter\u00fclet a sz\u00edvizom ritmikus \u00f6sszeh\u00faz\u00f3d\u00e1s\u00e1ban is szerepet j\u00e1tsz\u00f3 titin \u00e9s mut\u00e1ci\u00f3inak vizsg\u00e1lata.<\/div>\n<p>Sz\u00f3lt a DNS molekula mechanik\u00e1j\u00e1r\u00f3l is. Mint arra r\u00e1vil\u00e1g\u00edtott, a bakteriof\u00e1gok (bakt\u00e9riumokat fert\u0151z\u0151 v\u00edrusok) jelent\u0151s r\u00e9sze kett\u0151s sz\u00e1l\u00fa DNS-t tartalmaz, amely kis tokban (kapszidburokban) tal\u00e1lhat\u00f3. Amikor fert\u0151z a bakteriof\u00e1g, akkor kil\u00f6k\u0151dik ez a DNS. Ha megismerj\u00fck, hogy mik\u00e9nt t\u00f6rt\u00e9nik ez a kil\u00f6k\u0151d\u00e9s, vagyis mik\u00e9nt fert\u0151z a v\u00edrus, v\u00e9lhet\u0151en azt is meg\u00e9rtj\u00fck, hogy lehetne meg\u00e1ll\u00edtani ezt a folyamatot, megakad\u00e1lyozni a v\u00edrusfert\u0151z\u00e9st \u2013 magyar\u00e1zta dr. Kellermayer Mikl\u00f3s.<\/p>\n<p>Az eg\u00e9szs\u00e9g- \u00e9s orvostudom\u00e1ny ir\u00e1nt \u00e9rdekl\u0151d\u0151 lakoss\u00e1got megsz\u00f3l\u00edt\u00f3 12 alkalmas el\u0151ad\u00e1s-sorozatra \u2013 mely a nagy \u00e9rdekl\u0151d\u00e9s miatt \u00faj helysz\u00ednen, a Nagyv\u00e1rad t\u00e9ri Elm\u00e9let T\u00f6mbben folytat\u00f3dik, amely a kor\u00e1bbin\u00e1l k\u00e9tszer annyi, k\u00f6zel 600 f\u0151 befogad\u00e1s\u00e1ra alkalmas \u2013 a meghirdet\u00e9st k\u00f6vet\u0151en napok alatt beteltek a helyek. A kurzus szakmai vezet\u0151je dr. Nagy Zolt\u00e1n professor emeritus. A Szenior Akad\u00e9mia k\u00f6vetkez\u0151 alkalm\u00e1n dr. Nagy Zolt\u00e1n Zsolt, az Eg\u00e9szs\u00e9gtudom\u00e1nyi Kar d\u00e9k\u00e1nja, a Szem\u00e9szeti Klinika igazgat\u00f3ja \u201eSz\u00fcrkeh\u00e1lyog, egy \u00faj n\u00e9pbetegs\u00e9g?\u201d c\u00edmmel tart el\u0151ad\u00e1st.<\/p>\n<p>A teljes el\u0151ad\u00e1s diasora\u00a0<a href=\"https:\/\/semmelweis.hu\/hirek\/files\/2020\/03\/Senior_Akade\u0301mia_Kellermayer_20200302.pdf\">ide kattintva let\u00f6lthet\u0151<\/a>\u00a0(pdf).<\/p>\n<p><a href=\"https:\/\/semmelweis.hu\/szeniorakademia\/\">A Szenior Akad\u00e9mia honlapja itt \u00e9rhet\u0151 el.<\/a><\/p>\n<p>B\u00f3di Bernadett<br \/>\nFot\u00f3: Kov\u00e1cs Attila &#8211; Semmelweis Egyetem<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sz\u00f3 esett a l\u00e9zercsipeszr\u0151l, az izom rugalmas feh\u00e9rj\u00e9j\u00e9r\u0151l, a titinr\u0151l, illetve a DNS molekula mechanik\u00e1j\u00e1r\u00f3l is.<\/p>\n","protected":false},"author":101282,"featured_media":94959,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[154],"tags":[4179,4240,2408,4218,4249],"class_list":["post-94947","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-egeszseg","tag-alhonlapokra","tag-jubileumi-hirek","tag-mki-alairas","tag-semmelweis-250","tag-szenior-akademia"],"acf":[],"_links":{"self":[{"href":"https:\/\/semmelweis.hu\/hirek\/wp-json\/wp\/v2\/posts\/94947","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/semmelweis.hu\/hirek\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/semmelweis.hu\/hirek\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/semmelweis.hu\/hirek\/wp-json\/wp\/v2\/users\/101282"}],"replies":[{"embeddable":true,"href":"https:\/\/semmelweis.hu\/hirek\/wp-json\/wp\/v2\/comments?post=94947"}],"version-history":[{"count":3,"href":"https:\/\/semmelweis.hu\/hirek\/wp-json\/wp\/v2\/posts\/94947\/revisions"}],"predecessor-version":[{"id":95011,"href":"https:\/\/semmelweis.hu\/hirek\/wp-json\/wp\/v2\/posts\/94947\/revisions\/95011"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/semmelweis.hu\/hirek\/wp-json\/wp\/v2\/media\/94959"}],"wp:attachment":[{"href":"https:\/\/semmelweis.hu\/hirek\/wp-json\/wp\/v2\/media?parent=94947"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/semmelweis.hu\/hirek\/wp-json\/wp\/v2\/categories?post=94947"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/semmelweis.hu\/hirek\/wp-json\/wp\/v2\/tags?post=94947"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}