{"id":13991,"date":"2023-06-27T18:46:23","date_gmt":"2023-06-27T16:46:23","guid":{"rendered":"https:\/\/technews.al\/?p=13991"},"modified":"2023-06-27T18:46:25","modified_gmt":"2023-06-27T16:46:25","slug":"shkencetaret-zbulojne-sekretet-e-zhvillimit-njerezor-nepermjet-embrioneve-sintetike","status":"publish","type":"post","link":"https:\/\/technews.al\/?p=13991","title":{"rendered":"Shkenc\u00ebtar\u00ebt zbulojn\u00eb sekretet e zhvillimit njer\u00ebzor n\u00ebp\u00ebrmjet embrioneve sintetike"},"content":{"rendered":"\n

P\u00ebr her\u00eb t\u00eb par\u00eb, shkenc\u00ebtar\u00ebt kan\u00eb krijuar modele t\u00eb rritura n\u00eb laborator t\u00eb embrioneve njer\u00ebzore, duke riprogramuar qelizat embrionale, njoftoi profesoresha Magdalena \u017bernicka-Goetz n\u00eb takimin vjetor t\u00eb Shoqat\u00ebs Nd\u00ebrkomb\u00ebtare p\u00ebr K\u00ebrkimin e Qelizave Staminale n\u00eb Boston. Aktualisht, ligji i Mbret\u00ebris\u00eb s\u00eb Bashkuar lejon kultivimin e embrioneve natyrore njer\u00ebzore n\u00eb nj\u00eb mjedis laboratorik vet\u00ebm deri n\u00eb shenj\u00ebn e zhvillimit 14-ditor. Krijimi i k\u00ebtyre embrioneve sintetike i lejon shkenc\u00ebtar\u00ebt t\u00eb hetojn\u00eb periudh\u00ebn kritike t\u00eb zhvillimit p\u00ebrtej k\u00ebsaj pike, e njohur si gastrulim.<\/p>\n\n\n\n

Gjat\u00eb gastrulimit, embrioni kalon nga nj\u00eb struktur\u00eb e thjesht\u00eb qelizore n\u00eb nj\u00eb formacion m\u00eb kompleks, duke filluar t\u00eb krijoj\u00eb struktur\u00ebn themelore t\u00eb trupit. Megjithat\u00eb, kufizimet ligjore e kan\u00eb mbajtur deri m\u00eb tani k\u00ebt\u00eb faz\u00eb ky\u00e7e t\u00eb pa studiuar. Puna novatore nga Prof \u017bernicka-Goetz, e lidhur me Universitetin e Cambridge dhe Institutin e Teknologjis\u00eb n\u00eb Kaliforni, synon t\u00eb shuaj\u00eb k\u00ebt\u00eb kurozitet.<\/p>\n\n\n\n

P\u00ebrdorimi i qelizave staminale p\u00ebr t\u00eb krijuar k\u00ebto modele p\u00ebrfaq\u00ebson nj\u00eb p\u00ebrparim t\u00eb jasht\u00ebzakonsh\u00ebm shkencor, por gjithashtu ngre pyetje t\u00eb r\u00ebnd\u00ebsishme etike dhe ligjore. Disa argumentojn\u00eb se ritmi i shpejt\u00eb i p\u00ebrparimit shkencor po tejkalon zhvillimin e udh\u00ebzimeve t\u00eb p\u00ebrshtatshme ligjore dhe etike.<\/p>\n\n\n\n

Duke e p\u00ebrshkruar modelin si ‘t\u00eb jasht\u00ebzakonsh\u00ebm’, profesoresha \u017bernicka-Goetz theksoi dobin\u00eb e mundshme q\u00eb sjell ky model n\u00eb studimin e \u00e7’rregullimeve gjenetike dhe aborteve t\u00eb p\u00ebrs\u00ebritura. K\u00ebto embrione sintetike, megjith\u00ebse nuk kan\u00eb nj\u00eb tru rudimentar ose nj\u00eb zem\u00ebr funksionale, p\u00ebrfshijn\u00eb qeliza q\u00eb zakonisht formojn\u00eb placent\u00ebn dhe embrionin. Aft\u00ebsit\u00eb e k\u00ebtyre modeleve p\u00ebr t’u maturuar p\u00ebrtej fazave t\u00eb hershme t\u00eb zhvillimit mbeten t\u00eb panjohura.<\/p>\n\n\n\n

Artikull i ngjash\u00ebm:<\/strong>
Matja e tensionit n\u00ebp\u00ebrmjet celularit: Inxhinier\u00ebt e UC San Diego krijojn\u00eb nj\u00eb \u201ckap\u00ebse\u201d p\u00ebr t\u00eb matur presionin e gjakut n\u00eb smartphone tuaj<\/a><\/em><\/p>\n\n\n\n

N\u00eb k\u00ebrkimet paralele t\u00eb kryera tek minjt\u00eb, embrionet sintetike shfaq\u00ebn ngjashm\u00ebri zhvillimore me homolog\u00ebt e tyre natyror\u00eb, duke p\u00ebrfshir\u00eb gastulimin dhe formimin fillestar t\u00eb trurit dhe zemr\u00ebs. Megjithat\u00eb, k\u00ebto embrione nuk u zhvilluan kur u implantuan te minjt\u00eb femra. Sipas rregulloreve aktuale, \u00e7do p\u00ebrpjekje p\u00ebr t\u00eb implantuar embrione njer\u00ebzore sintetike tek njer\u00ebzit do t\u00eb konsiderohej e paligjshme.<\/p>\n\n\n\n

Dr. Robin Lovell-Badge, nga Instituti Francis Crick, n\u00ebnvizoi r\u00ebnd\u00ebsin\u00eb e modeleve t\u00eb bazuara n\u00eb qelizat staminale n\u00eb studimin e zhvillimit njer\u00ebzor dhe \u00e7\u00ebshtjeve t\u00eb mundshme n\u00eb t\u00eb. Megjithat\u00eb, ai shprehu shqet\u00ebsimin se k\u00ebto embrione fillestare, n\u00ebse zhvillohen p\u00ebr t\u00eb qen\u00eb t\u00eb ngjashme embrioneve natyrore, duhet t\u00eb trajtohen me konsiderat\u00eb t\u00eb ngjashme etike, nj\u00eb gj\u00eb q\u00eb aktualisht mungon n\u00eb legjislacion.<\/p>\n\n\n\n

Artikull i ngjash\u00ebm:<\/strong>
Revolucion n\u00eb Mjek\u00ebsi: Transplanti i par\u00eb robotik i mushk\u00ebrive n\u00eb bot\u00eb kryhet nga kirurg\u00ebt spanjoll\u00eb<\/a><\/em><\/p>\n\n\n\n

Ekspert\u00ebt, si Dr. Ildem Akerman, profesor i asociuar n\u00eb gjenomik\u00ebn funksionale n\u00eb Universitetin e Cambridge, pranuan implikimet e r\u00ebnd\u00ebsishme t\u00eb k\u00ebtij studimi, ve\u00e7an\u00ebrisht n\u00eb kuptimin e \u00e7’rregullimeve gjenetike dhe p\u00ebrmir\u00ebsimin e teknologjive t\u00eb fertilizimit in vitro (IVF). Subjektet e formuara nga k\u00ebto qeliza staminale quhen ‘modele t\u00eb integruara t\u00eb embrionit’, dhe mund t\u00eb kultivohen p\u00ebrtej kufirit 14-ditor n\u00eb Mbret\u00ebtin\u00eb e Bashkuar, ndryshe nga embrionet natyrore njer\u00ebzore.<\/p>\n\n\n\n

Nj\u00ebkoh\u00ebsisht, disa, si profesori Roger Sturmey i Shkoll\u00ebs Mjek\u00ebsore t\u00eb Hull York-ut, theksuan nevoj\u00ebn p\u00ebr t\u00eb eksploruar m\u00eb tej ngjashm\u00ebrit\u00eb dhe ndryshimet midis embrioneve sintetike dhe atyre t\u00eb formuara natyrsh\u00ebm. Nd\u00ebrsa mjek\u00ebsia dhe shkenca vazhdojn\u00eb t\u00eb p\u00ebrparojn\u00eb, nd\u00ebrkoh\u00eb q\u00eb mjedisi ligjor mbetet kryesisht statik, shum\u00eb pajtohen se nevojitet nj\u00eb korniz\u00eb e qart\u00eb qeverisjeje p\u00ebr t\u00eb rregulluar me p\u00ebrgjegj\u00ebsi k\u00ebrkime t\u00eb tilla komplekse dhe me implikime t\u00eb r\u00ebnd\u00ebsishme n\u00eb t\u00eb ardhmen e gjeneratave njer\u00ebzore.<\/p>\n","protected":false},"excerpt":{"rendered":"

P\u00ebr her\u00eb t\u00eb par\u00eb, shkenc\u00ebtar\u00ebt kan\u00eb krijuar modele t\u00eb rritura n\u00eb laborator t\u00eb embrioneve njer\u00ebzore, duke riprogramuar qelizat embrionale, njoftoi profesoresha Magdalena \u017bernicka-Goetz n\u00eb takimin vjetor t\u00eb Shoqat\u00ebs Nd\u00ebrkomb\u00ebtare p\u00ebr K\u00ebrkimin e Qelizave Staminale n\u00eb Boston. Aktualisht, ligji i Mbret\u00ebris\u00eb s\u00eb Bashkuar lejon kultivimin e embrioneve natyrore njer\u00ebzore n\u00eb nj\u00eb mjedis laboratorik vet\u00ebm deri n\u00eb<\/p>\n","protected":false},"author":4,"featured_media":13993,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38],"tags":[40,43],"class_list":{"0":"post-13991","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-tech","8":"tag-featured","9":"tag-trending"},"yoast_head":"\nShkenc\u00ebtar\u00ebt zbulojn\u00eb sekretet e zhvillimit njer\u00ebzor n\u00ebp\u00ebrmjet embrioneve sintetike - Technews.al<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/technews.al\/?p=13991\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Shkenc\u00ebtar\u00ebt zbulojn\u00eb sekretet e zhvillimit njer\u00ebzor n\u00ebp\u00ebrmjet embrioneve sintetike - Technews.al\" \/>\n<meta property=\"og:description\" content=\"P\u00ebr her\u00eb t\u00eb par\u00eb, shkenc\u00ebtar\u00ebt kan\u00eb krijuar modele t\u00eb rritura n\u00eb laborator t\u00eb embrioneve njer\u00ebzore, duke riprogramuar qelizat embrionale, njoftoi profesoresha Magdalena \u017bernicka-Goetz n\u00eb takimin vjetor t\u00eb Shoqat\u00ebs Nd\u00ebrkomb\u00ebtare p\u00ebr K\u00ebrkimin e Qelizave Staminale n\u00eb Boston. 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