{"id":26601,"date":"2023-03-02T10:34:57","date_gmt":"2023-03-02T13:34:57","guid":{"rendered":"https:\/\/mindthegraph.com\/blog\/understanding-cervical-cancer-copy\/"},"modified":"2023-03-09T17:59:22","modified_gmt":"2023-03-09T20:59:22","slug":"crispr-therapy","status":"publish","type":"post","link":"https:\/\/mindthegraph.com\/blog\/nb\/crispr-terapi\/","title":{"rendered":"Hvordan fungerer CRISPR-terapi i genterapi?"},"content":{"rendered":"<p>Kreft har lenge v\u00e6rt en vanskelig og mangfoldig sykdom som skyldes endringer i individets DNA som aktiverer onkogener og inaktiverer tumorundertrykkere, og som ogs\u00e5 for\u00e5rsaker dysregulering av epigenomet, som har ansvaret for \u00e5 koordinere normalt genuttrykk.<\/p>\n\n\n\n<p>To summarize, cancer is a cell illness that causes changes in metabolism and cell structure, causing these cells to become corrupted to the point where they no longer function properly and evading the host&#8217;s defense mechanisms.&nbsp;<\/p>\n\n\n\n<p>Et stort antall eksperter og fagpersoner har viet karrieren sin til \u00e5 forske p\u00e5 kreft for \u00e5 f\u00e5 en fullstendig forst\u00e5else av kreftsykdommens kompleksitet og uklarheter. Kunnskap om hvordan genomet endrer seg, hvordan cellen tilpasser seg og hvordan sykdommen oppst\u00e5r, er en av de avgj\u00f8rende faktorene for \u00e5 utvikle mer effektive behandlingsvalg og forbedre resultatene for kreftpasienter.&nbsp;<\/p>\n\n\n\n<p>CRISPR therapy has established itself as a technique for investigating cell function, and it has had a significant influence on cancer research, resulting in new findings that are expected to speed up diagnosis and treatments.&nbsp;<\/p>\n\n\n\n<h2>Hva er CRISPR-terapi?<\/h2>\n\n\n\n<p>Siden forskere oppdaget at endringer i DNA for\u00e5rsaker kreft, har de v\u00e6rt p\u00e5 utkikk etter en metode for \u00e5 fikse slike endringer ved hjelp av DNA-manipulering. En metode de har funnet, er CRISPR-terapi.<\/p>\n\n\n\n<p>CRISPR-behandling kan redigere DNA-et i menneskeceller p\u00e5 samme m\u00e5te som en ekstremt n\u00f8yaktig og letth\u00e5ndterlig saks. CRISPR redigerer gener ved \u00e5 klippe forsiktig i DNA og deretter systematisk la DNA-et repareres.&nbsp;<\/p>\n\n\n\n<div style=\"height:18px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"651\" height=\"174\" src=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/02\/banner-blog-trial-03.jpg\" alt=\"\" class=\"wp-image-26762\" srcset=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/02\/banner-blog-trial-03.jpg 651w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/02\/banner-blog-trial-03-300x80.jpg 300w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/02\/banner-blog-trial-03-18x5.jpg 18w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/02\/banner-blog-trial-03-100x27.jpg 100w\" sizes=\"(max-width: 651px) 100vw, 651px\" \/><\/figure><\/div>\n\n\n<div style=\"height:18px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2>Hvordan fungerer CRISPR-terapi?<\/h2>\n\n\n\n<p>The CRISPR technique in the lab includes two key figures: a guide RNA and a DNA-cutting enzyme, most often Cas9.<\/p>\n\n\n\n<p>For \u00e5 kunne bruke den genetiske saksen CRISPR til \u00e5 endre et genom, m\u00e5 DNA-sekvensen som skal endres, f\u00f8rst lokaliseres. N\u00e5r den aktuelle DNA-sekvensen er identifisert, skal et enkelt guide-RNA (sgRNA) gjenkjenne og koble seg til den.&nbsp;<\/p>\n\n\n\n<p>Guide-RNA-sekvensen er komplement\u00e6r til m\u00e5l-DNA-sekvensen. Det betyr at guide-RNA-et ideelt sett bare kobles til m\u00e5l-DNA-sekvensen og ikke til andre deler av genomet.&nbsp;<\/p>\n\n\n\n<p>The Cas9 enzyme (molecular scissor protein) connects to the RNA and guides the scissors to the exact spot in the genome where the cut needs to be performed.&nbsp;<\/p>\n\n\n\n<p>Denne reparasjonsprosessen kan styres ved \u00e5 endre DNA-et p\u00e5 det aktuelle stedet i genomet. Et gen kan for eksempel fjernes eller oppdateres for \u00e5 reparere eventuelle feil i sekvensen.<\/p>\n\n\n\n<p>Avhengig av hvordan CRISPR-systemet er programmert, er det tre mulige utfall n\u00e5r m\u00e5lsekvensen er kuttet:&nbsp;<\/p>\n\n\n\n<ol>\n<li>En mutasjon i DNA-et introduseres for \u00e5 hele kuttet.&nbsp;<\/li>\n\n\n\n<li>Enzymer er designet for \u00e5 produsere kutt p\u00e5 begge sider av m\u00e5l-DNA-et for \u00e5 fjerne m\u00e5l-DNA-et og koble endene sammen igjen.&nbsp;<\/li>\n\n\n\n<li>Et segment av HDR kan settes inn i genomet ved homolog rekombinasjon.<a href=\"https:\/\/www.researchgate.net\/profile\/Konda-Mani-Saravanan\/publication\/355845141\/figure\/fig3\/AS:1128285891235840@1646015727249\/Mechanism-of-action-of-CRISPR-Cas9-techniques-CRIPSPR-Cas9-gene-with-cleavage-activities.png\"><\/a><\/li>\n<\/ol>\n\n\n\n<div style=\"height:18px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"896\" src=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/02\/crispr-cas9-gene-editing-1024x896.jpg\" alt=\"\" class=\"wp-image-27027\" srcset=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/02\/crispr-cas9-gene-editing-1024x896.jpg 1024w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/02\/crispr-cas9-gene-editing-300x263.jpg 300w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/02\/crispr-cas9-gene-editing-768x672.jpg 768w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/02\/crispr-cas9-gene-editing-14x12.jpg 14w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/02\/crispr-cas9-gene-editing-100x88.jpg 100w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/02\/crispr-cas9-gene-editing.jpg 1123w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\"><em>Laget med <a href=\"https:\/\/mindthegraph.com\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Mind the Graph<\/strong><\/a><\/em><\/figcaption><\/figure>\n\n\n\n<div style=\"height:18px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2>Hvilke bekymringer er knyttet til CRISPR?<\/h2>\n\n\n\n<ul>\n<li>Getting CRISPR inside cells is a challenge. The scientists discovered a technique to accomplish so by using a virus that has been mutated to carry genes for guide RNA and Cas9. Because certain viruses may infect various types of cells, they may wind up altering, for example, muscle cells when the intention was liver cells.<\/li>\n\n\n\n<li>CRISPR har nettopp blitt testet p\u00e5 mennesker, og forskerne er bekymret for hvordan kroppen og immunforsvaret kan reagere p\u00e5 virus som inneholder CRISPR, eller p\u00e5 selve CRISPR-elementene. Fordi elementene er ukjente for mennesker, kan immunforsvaret angripe og \u00f8delegge CRISPR-redigerte celler.<\/li>\n\n\n\n<li>CRISPR bryter av og til DNA utenfor m\u00e5lgenet, noe som kalles \"off-target\"-kutting. Forskere er bekymret for at slike utilsiktede endringer kan v\u00e6re for skadelige og til og med kreftfremkallende.<\/li>\n\n\n\n<li>Et annet viktig problem er at modifisering av celler i kroppen kan f\u00f8re til utilsiktede endringer i s\u00e6d- eller eggceller som kan g\u00e5 i arv til fremtidige generasjoner.<\/li>\n<\/ul>\n\n\n\n<h3>Etiske sp\u00f8rsm\u00e5l<\/h3>\n\n\n\n<p>CRISPR-behandling reiser ogs\u00e5 etiske problemstillinger. Nedenfor kan du lese om noen av de etiske betenkelighetene:<\/p>\n\n\n\n<ul>\n<li>Som tidligere nevnt kan celleforandringer i kroppen feilaktig p\u00e5virke s\u00e6d- eller eggceller, noe som kan g\u00e5 i arv til kommende generasjoner. I stedet for \u00e5 helbrede sykdom kan disse endringene hypotetisk sett utnyttes til \u00e5 forbedre \u00f8nskelige egenskaper.&nbsp;<\/li>\n\n\n\n<li>Mange har moralske og religi\u00f8se motforestillinger mot bruk av menneskelige embryoer i forskning. Generelt kan embryoforskning involvere levedyktige eller ikke-levedyktige embryoer som er til overs etter IVF, eller embryoer som er generert spesielt for studien. Hvert tilfelle har sine egne etiske betenkeligheter.<\/li>\n\n\n\n<li>Det er bekymring for at genomredigering vil v\u00e6re begrenset til de rike, noe som vil forverre de eksisterende forskjellene i tilgang til helsetjenester og andre behandlingsformer.<\/li>\n<\/ul>\n\n\n\n<h2>Ikke kast bort tiden! En plattform som er enkel \u00e5 bruke, og som alle kan bruke.<\/h2>\n\n\n\n<p>Bruk et brukervennlig verkt\u00f8y til \u00e5 lage imponerende infografikk, illustrasjoner eller til og med forvandle arbeidet ditt til en flott og forst\u00e5elig plakat. <a href=\"https:\/\/mindthegraph.com\" target=\"_blank\" rel=\"noreferrer noopener\">Se opp for grafen<\/a> er det rette verkt\u00f8yet for deg; du kan bruke maler eller til og med be om en som passer akkurat slik du har tenkt deg!<\/p>\n\n\n\n<div style=\"height:18px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"600\" height=\"338\" src=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2022\/10\/r3qiu0qenda-3.gif\" alt=\"\" class=\"wp-image-25130\"\/><\/figure><\/div>\n\n\n<div style=\"height:18px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"is-layout-flex wp-block-buttons\">\n<div class=\"wp-block-button aligncenter\"><a class=\"wp-block-button__link has-background wp-element-button\" href=\"https:\/\/mindthegraph.com\/\" style=\"border-radius:50px;background-color:#dc1866\" target=\"_blank\" rel=\"noreferrer noopener\">\u00d8ke forskningen min med illustrasjoner<\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:44px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div style=\"height:25px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Forst\u00e5 hva CRISPR er og hvordan denne genterapien kan brukes til \u00e5 modifisere DNA og dermed forbedre behandlingen av kreft.<\/p>","protected":false},"author":28,"featured_media":26609,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[959,28],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.9 - 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