{"id":1013,"date":"2024-12-10T17:48:47","date_gmt":"2024-12-10T17:48:47","guid":{"rendered":"https:\/\/staging.irccs.com\/?p=1013"},"modified":"2025-02-25T11:45:45","modified_gmt":"2025-02-25T11:45:45","slug":"cellule-natural-killer-contro-i-tumori-del-colon-retto","status":"publish","type":"post","link":"https:\/\/inoc.it\/it\/cellule-natural-killer-contro-i-tumori-del-colon-retto\/","title":{"rendered":"Cellule \u201cNatural Killer\u201d contro i tumori del colon-retto"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Oggi \u00e8 possibile rendere le cosiddette cellule \u201cNatural Killer\u201d (NK) pi\u00f9 \u201cintelligenti\u201d nel riconoscere il tumore del colon-retto e nell\u2019attaccarlo selettivamente, risparmiando i tessuti sani&nbsp;ed evitando l\u2019insorgenza di gravi effetti collaterali. Grazie all\u2019aggiunta di un recettore detto CAR (\u201cChimaeric antigen receptor\u201d) diretto contro un bersaglio esposto dalle cellule tumorali,&nbsp;le cellule NK possono essere in grado di sollevare il \u201cmantello dell\u2019invisibilit\u00e0\u201d dietro il quale le cellule tumorali riescono a nascondersi e a proteggersi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A dimostrare le potenzialit\u00e0 di questo nuovo approccio contro il cancro al colon-retto, un tumore che in Italia nel 2024 ha colpito circa 48mila persone, sono due studi realizzati dai ricercatori di INOC &#8211; Istituto Nazionale Oncologico Candiolo, uno pubblicato su&nbsp;\u201cMolecular Therapy\u201d&nbsp;e un altro in corso di pubblicazione sul&nbsp;\u201cJournal of Translational Medicine\u201d. Entrambi i lavori sono stati condotti nell\u2019ambito del progetto CAR-T nazionale di Alleanza contro il Cancro.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00abLe NK sono un particolare tipo di cellule immunitarie, che pattugliano il corpo e quando individuano una cellula cancerosa la attaccano e la distruggono, prevenendo la crescita del tumore \u2013 ha spiegato il professor Enzo Medico, Direttore del Laboratorio di Oncogenomica di INOC &#8211; Istituto Nazionale Oncologico Candiolo \u2013. Talvolta per\u00f2 le cellule tumorali trovano il modo per sfuggire a queste sentinelle: diventano \u2018invisibili\u2019 e creano un ambiente sfavorevole per le NK, evitando cos\u00ec che queste le riconoscano e distruggano. Grazie a queste contromisure il tumore riesce a svilupparsi ed evolvere, con le conseguenze che tutti conosciamo\u00bb.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">I due nuovi studi descrivono due modi diversi per indirizzare le cellule NK contro i tumori del colon-retto. In entrambi i lavori sperimentali, le cellule sono state \u201carmate\u201d con un recettore CAR in grado di riconoscere e attaccare solo le cellule del tumore del colon-retto.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00abLa prospettiva applicativa, in un futuro che si spera non troppo distante, \u00e8 quella di infondere cellule NK cos\u00ec modificate nei pazienti il cui tumore del colon presenta entrambi i bersagli ad alti livelli \u2013 conclude il professor Medico \u2013. I prossimi passi da compiere saranno renderle ancora pi\u00f9 potenti senza che perdano la selettivit\u00e0, in modo da colmare progressivamente il divario fra i modelli di laboratorio e il letto del paziente\u00bb.<\/p>\n","protected":false},"excerpt":{"rendered":"<p class=\"wp-block-paragraph\">Oggi \u00e8 possibile rendere le cosiddette cellule \u201cNatural Killer\u201d (NK) pi\u00f9 \u201cintelligenti\u201d nel riconoscere il tumore del colon-retto e &#8230;<\/p>\n","protected":false},"author":4,"featured_media":1447,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"","_relevanssi_noindex_reason":"","footnotes":""},"categories":[1,11],"tags":[],"class_list":["post-1013","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-non-categorizzato","category-ricerca"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - 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