{"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\/et\/crispr-teraapia\/","title":{"rendered":"Kuidas CRISPR-ravi toimib geeniteraapias?"},"content":{"rendered":"<p>V\u00e4hk on pikka aega olnud raske ja mitmekesine haigus, mille p\u00f5hjuseks on muutused inimese DNA-s, mis aktiveerivad onkogeene, samas kui inaktiveerivad kasvajasupressoreid, p\u00f5hjustades ka epigenoomi d\u00fcsregulatsiooni, mis vastutab normaalse geeniekspressiooni koordineerimise eest.<\/p>\n\n\n\n<p>Kokkuv\u00f5ttes on v\u00e4hk rakkude haigus, mis p\u00f5hjustab muutusi ainevahetuses ja rakkude struktuuris, mille tagaj\u00e4rjel need rakud riknevad nii, et nad ei toimi enam korralikult ja ei suuda v\u00e4ltida peremehe kaitsemehhanisme.&nbsp;<\/p>\n\n\n\n<p>Paljud eksperdid ja spetsialistid p\u00fchendavad oma karj\u00e4\u00e4ri v\u00e4hkt\u00f5ve uurimisele, et m\u00f5ista t\u00e4ielikult k\u00f5iki selle keerukusi ja mitmet\u00e4henduslikkust. See, kuidas genoom muutub, kuidas rakk kohaneb ja kuidas toimub haiguse teke, on \u00fcks kriitilisi tegureid t\u00f5husamate ravivalikute v\u00e4ljat\u00f6\u00f6tamisel ja v\u00e4hipatsientide tulemuste parandamisel.&nbsp;<\/p>\n\n\n\n<p>CRISPR-teraapia on end t\u00f5estanud kui rakkude toimimise uurimise tehnika ja see on oluliselt m\u00f5jutanud v\u00e4hiuuringuid, mille tulemusel on saadud uusi tulemusi, mis peaksid kiirendama diagnoosimist ja ravi.&nbsp;<\/p>\n\n\n\n<h2>Mis on CRISPR-ravi?<\/h2>\n\n\n\n<p>Alates sellest, kui teadlased avastasid, et muutused DNAs p\u00f5hjustavad v\u00e4hki, on nad otsinud v\u00f5imalust, kuidas selliseid muutusi DNA manipuleerimise abil parandada. Ja \u00fcks leitud l\u00e4henemisviis on CRISPR-ravi.<\/p>\n\n\n\n<p>CRISPR-raviga saab muuta inimrakkude DNA-d samamoodi nagu \u00e4\u00e4rmiselt t\u00e4pne ja kergesti k\u00e4sitsetav k\u00e4\u00e4rid. CRISPR redigeerib geene, l\u00f5igates ettevaatlikult DNA-d ja lastes seej\u00e4rel DNA-l s\u00fcstemaatiliselt taastuda.&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>Kuidas CRISPR-teraapia toimib?<\/h2>\n\n\n\n<p>Laboris kasutatav CRISPR-tehnika h\u00f5lmab kahte v\u00f5tmeelementi: juht-RNA ja DNA-l\u00f5ikamise ens\u00fc\u00fcmi, enamasti Cas9.<\/p>\n\n\n\n<p>CRISPR-i geneetiliste k\u00e4\u00e4ride kasutamiseks genoomi muutmiseks tuleb k\u00f5igepealt leida muudetav DNA-j\u00e4rjestus. Kui asjakohane DNA-j\u00e4rjestus on tuvastatud, on \u00fcks juhtrNA (sgRNA) m\u00f5eldud selle \u00e4ratundmiseks ja sellega \u00fchendamiseks.&nbsp;<\/p>\n\n\n\n<p>RNA juhtseadme j\u00e4rjestus t\u00e4iendab siht-DNA j\u00e4rjestust. See t\u00e4hendab, et ideaalis \u00fchendub juht-RNA ainult siht-DNA j\u00e4rjestusega ja ei \u00fchendu teiste genoomi osadega.&nbsp;<\/p>\n\n\n\n<p>Cas9-ens\u00fc\u00fcm (molekulaark\u00e4\u00e4rmete valk) \u00fchendub RNA-ga ja juhib k\u00e4\u00e4rid t\u00e4pselt sinna genoomi kohta, kus on vaja l\u00f5igata.&nbsp;<\/p>\n\n\n\n<p>See parandamisprotsess v\u00f5ib muuta DNA-d selles genoomi kohas. N\u00e4iteks v\u00f5ib geeni k\u00f5rvaldada v\u00f5i uuendada, et parandada mis tahes vigu selle j\u00e4rjestuses.<\/p>\n\n\n\n<p>S\u00f5ltuvalt sellest, kuidas CRISPR-s\u00fcsteem on programmeeritud, on p\u00e4rast sihtj\u00e4rjestuse l\u00f5ikamist kolm v\u00f5imalikku tulemust:&nbsp;<\/p>\n\n\n\n<ol>\n<li>L\u00f5ike tervendamiseks viiakse DNA-sse sisse mutatsioon.&nbsp;<\/li>\n\n\n\n<li>Ens\u00fc\u00fcmid on kavandatud nii, et nad teevad l\u00f5igud siht-DNA m\u00f5lemal poolel, et eemaldada siht-DNA ja \u00fchendada otsad uuesti.&nbsp;<\/li>\n\n\n\n<li>HDR-segmendi saab sisestada genoomi homoloogilise rekombinatsiooni teel.<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>Valmistatud koos <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>Millised on CRISPRi probleemid?<\/h2>\n\n\n\n<ul>\n<li>CRISPRi rakkude sisse viimine on keeruline. Teadlased avastasid meetodi, kuidas seda saavutada, kasutades viirust, mis on mutatsioonidega muudetud nii, et see kannab juhtrNA ja Cas9 geene. Kuna teatavad viirused v\u00f5ivad nakatada eri t\u00fc\u00fcpi rakke, v\u00f5ivad nad l\u00f5puks muuta n\u00e4iteks lihasrakke, kuigi nende eesm\u00e4rk oli maksarakud.<\/li>\n\n\n\n<li>CRISPRi katsetatakse alles n\u00fc\u00fcd inimestel ja teadlased on mures selle p\u00e4rast, kuidas keha ja immuuns\u00fcsteem v\u00f5ivad reageerida CRISPRi sisaldavatele viirustele v\u00f5i CRISPRi elementidele endile. Kuna need elemendid on inimestele tundmatud, v\u00f5ib immuuns\u00fcsteem r\u00fcnnata ja h\u00e4vitada CRISPRiga t\u00f6\u00f6deldud rakke.<\/li>\n\n\n\n<li>CRISPR katkestab m\u00f5nikord DNA-d v\u00e4ljaspool sihtgeeni, mida tuntakse kui \"sihtm\u00e4rgist v\u00e4ljaspool asuvat\" l\u00f5ikamist. Teadlased on mures, et sellised tahtmatud muutused v\u00f5ivad olla liiga kahjulikud ja isegi v\u00e4hkkasvaja tekitavad.<\/li>\n\n\n\n<li>Teine oluline k\u00fcsimus on see, et keharakkude muutmine v\u00f5ib tahtmatult muuta seemnerakke v\u00f5i munarakke, mis v\u00f5ivad p\u00e4randuda tulevastele p\u00f5lvkondadele.<\/li>\n<\/ul>\n\n\n\n<h3>Eetilised k\u00fcsimused<\/h3>\n\n\n\n<p>CRISPR-ravi tekitab ka eetilisi probleeme. Vt allpool m\u00f5ned eetilised probleemid:<\/p>\n\n\n\n<ul>\n<li>Nagu varem \u00f6eldud, v\u00f5ib rakkude muutumine organismis ekslikult m\u00f5jutada spermatoorseid v\u00f5i munarakke, mis v\u00f5ivad p\u00e4randuda tulevastele p\u00f5lvkondadele. Haiguse ravimise asemel v\u00f5ib neid muutusi h\u00fcpoteetiliselt kasutada soovitavate omaduste parandamiseks.&nbsp;<\/li>\n\n\n\n<li>Paljud inimesed on moraalselt ja usuliselt vastu inimembr\u00fcote kasutamisele teadusuuringutes. \u00dcldiselt v\u00f5ib embr\u00fcote uurimine h\u00f5lmata eluj\u00f5ulisi v\u00f5i mitteeluj\u00f5ulisi embr\u00fcoid, mis on j\u00e4\u00e4nud \u00fcle p\u00e4rast IVF-i, v\u00f5i spetsiaalselt uuringu jaoks loodud embr\u00fcoid. Igal juhtumil on omaette eetilised probleemid.<\/li>\n\n\n\n<li>Kardetakse, et genoomi redigeerimine piirdub vaid rikastega, mis s\u00fcvendab olemasolevaid puuduj\u00e4\u00e4ke tervishoiuteenuste ja muude ravimeetodite k\u00e4ttesaadavuses.<\/li>\n<\/ul>\n\n\n\n<h2>\u00c4ra raiska aega! Platvormi lihtne kasutada ja peaaegu iga\u00fcks saab seda kasutada.<\/h2>\n\n\n\n<p>Kasutage h\u00f5lpsasti kasutatavat vahendit, et luua uimastavaid infograafiaid, illustratsioone v\u00f5i isegi muuta oma t\u00f6\u00f6 suurep\u00e4raseks ja arusaadavaks plakatiks. <a href=\"https:\/\/mindthegraph.com\" target=\"_blank\" rel=\"noreferrer noopener\">Mind The Graph<\/a> on teie jaoks sobiv vahend; v\u00f5ite kasutada malle v\u00f5i isegi tellida sellise, mis vastab t\u00e4pselt teie t\u00f6\u00f6le, nagu te seda ette kujutasite!<\/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\">Suurendada minu uurimist\u00f6\u00f6 illustratsioonidega<\/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>M\u00f5ista, mis on CRISPR ja kuidas seda geeniteraapiat saab kasutada DNA muutmiseks, parandades v\u00e4hi ravi.<\/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 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How Does CRISPR Therapy Operate in Gene Therapy?<\/title>\n<meta name=\"description\" content=\"Understand what CRISPR is and how this gene therapy can be used to modify DNA, enhancing the treatment of cancer.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mindthegraph.com\/blog\/et\/crispr-teraapia\/\" \/>\n<meta property=\"og:locale\" content=\"et_EE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How Does CRISPR Therapy Operate in Gene Therapy?\" \/>\n<meta property=\"og:description\" content=\"Understand what CRISPR is and how this gene therapy can be used to modify DNA, enhancing the treatment of cancer.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/mindthegraph.com\/blog\/et\/crispr-teraapia\/\" \/>\n<meta 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