- Ukwelashwa
- Ubufakazi
- I-Neuroblastoma
- Isimila Esiqinile
- Ubufakazi
- I-TILS
- Ukwelashwa Kwamaseli e-NK
- I-Myasthenia Gravis (MG)
- I-Acute Lymphoblastic Leukemia (B-ALL)
- I-Systemic Lupus Erythematosus (SLE)
- I-Acute Lymphoblastic Leukemia (T-ALL)
- I-Non-Hodgkin Lymphoma (NHL)
- I-Multiple Myeloma (MM)
- I-Diffuse Large B-cell Lymphom
- I-B-lymphocytic Leukemia
- I-Myeloma
I-CAR-T ye-Glioblastoma
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Iseli le-CAR-T
Ukwelashwa kwe-CAR-T (Chimeric Antigen Receptor T-cell) kumelela uhlobo oluphambili lokwelashwa nge-immunotherapy. Kuhilela ukuguqula amaseli akho e-T—uhlobo lweseli lokuzivikela komzimba—ukuze kubonwe futhi kuhlaselwe amaseli omdlavuza aveza izimpawu ezithile. Ku-glioblastoma, lokhu kwelashwa kuhlose ukuhlinzeka ngokwelashwa komuntu siqu okungase kwandise ukusinda futhi kunciphise izimpawu, ikakhulukazi uma kuhlanganiswa nezinye izindlela.
Ama-Targets ekwelashweni kwe-CAR-T kwe-Glioblastoma
Ku-glioblastoma, amaprotheni athile ebusweni bamaseli esimila asebenza njengezinhloso ezifanele zokwelapha i-CAR-T ngenxa yokubonakaliswa kwawo ngokweqile kumaseli omdlavuza kanye nokuba khona okulinganiselwe ezicutshini ezinempilo. Kwa-Bioocus, sigxila ezinhlosweni ezimbili ezibalulekile:
- I-GD2: Lena i-glycolipid antigen evame ukutholakala kumaseli e-glioblastoma, kanye nezinye izimila zobuchopho ezifana ne-diffuse midline gliomas. I-GD2 ihilelekile ekudluliseleni izimpawu zamaseli futhi ibonakaliswa kakhulu ezimila ezinolaka, okwenza kube uphawu oluthembisayo lokuqondisa amasosha omzimba.
- B7-H3: Eyaziwa nangokuthi i-CD276, le phrotheni yokuhlola amasosha omzimba itholakala kakhulu ku-glioblastoma futhi inegalelo ekugwemeni isimila ohlelweni lokuzivikela komzimba. Idlala indima ekukhuthazeni ukukhula komdlavuza nokucindezela izimpendulo zamasosha omzimba, okwenza kube yindawo ephumelelayo yokuthuthukisa ukuhlaselwa kwamaseli e-T.
Ngokwenza amaseli e-CAR-T asebenze ukuze aqaphele i-GD2 noma i-B7-H3, ukwelashwa kuqondisa ukuhlaselwa okugxile kumaseli esimila ngenkathi kunciphisa umonakalo ezicutshini zobuchopho ezivamile.
Indlela Ukwelashwa Kwe-CAR-T Okusebenza Ngayo: Indlela Yokusebenza
Ukwelashwa kwe-CAR-T kuqala ngokuqoqa isampula yamaseli akho e-T ngenqubo efana nokunikelwa kwegazi. Lawa maseli abe eseguqulwa ngofuzo elabhorethri ukuze aveze i-chimeric antigen receptor (CAR)—i-receptor eyenziwe ngokwezifiso esebenza njenge-"home device" yamaseli omdlavuza.
- Ukuqashelwa: I-CAR kumaseli e-T ibopha ngqo ku-GD2 noma ku-B7-H3 kumaseli e-glioblastoma, njengokukhiya nokhiye.
- Ukwenziwa kusebenze: Uma isiboshiwe, i-CAR ibangela amaseli e-T ukuthi asebenze, aphindaphindeke, futhi akhulule ama-molecule abonisa izimpawu ahlanganisa amanye amaseli omzimba ukuze ahlanganyele empini.
- Ukubhujiswa: Amaseli e-T asebenzayo ahlasela futhi abulale ngqo amaseli omdlavuza aqondiwe, okungase kuholele ekuncipheni kwesimila kanye nomthwalo wesifo oncishisiwe.
Le nqubo ivame ukuhilela ukufaka amaseli e-T aguquliwe emzimbeni wakho, ngokuvamile ngezindlela zokulethwa ngemithambo noma eziqondiwe ukuze kufinyelelwe ebuchosheni. Umgomo ukudala impendulo yomzimba eqhubekayo eqhubeka nokuqapha nokuqeda amaseli omdlavuza asele ngokuhamba kwesikhathi.
Ukwelashwa kwethu kwe-CAR-T okuqondiswe kukho I-GD2 futhi B7-H3 ngoba I-Glioblastomakukhombisa ukusebenza okuthembisayo ezivivinyweni zemitholampilo.
Kwe-GD2 CAR-T, ucwaningo lweziguli ezingu-37 ezine-gliomas eziphinde zabuyela emuva noma ezingalapheki lubonise ukuthi Izinga lokuphendula elingakhethi hlangothi elingu-72%, kanye Ama-42% athola ukuxolelwa okuphelele emavikini ayi-6 kanye nama-56% agcina lokhu eminyakeni eyi-1.7 yokulandelela.
Kwe-B7-H3 CAR-T, ukuhlolwa kwabantu abadala abangu-39 abane-glioblastoma ephindaphindayo kubike ukuthi Izinga lokuphendula elingu-30–40% futhi Izinga lokulawula izifo elingu-60–70%, kanye ukusinda okumaphakathi kwezinyanga ezingu-11 (i-monotherapy) kanye nezinyanga ezingu-13.6 (inhlanganisela), kudlula idatha yomlando.
Zombili izindlela zokwelapha ziphephile, zinemiphumela emibi emnene nelawulekayo. I-Bioocus izinikele ekuthuthukiseni lezi zindlela zokwelapha ezintsha ukuze kuthuthukiswe imiphumela yeziguli ze-glioblastoma.
Ukwelashwa Ngemisebe
Ukwelashwa ngemisebe ye-Stereotactic (SRT) noma ukwelashwa ngemisebe yomzimba okubangelwa yi-stereotactic (SBRT) ingahlanganiswa ne-CAR-T ukuze ihlose ngqo izindawo zesimila, inciphise usayizi futhi ithuthukise ukufinyelela kwamangqamuzana omzimba. Le ndlela enembile kakhulu inciphisa umonakalo ezicutshini ezinempilo futhi ingathuthukisa ukungena kwe-CAR-T.
Izinqubo Zokungenelela
Ukufakelwa kwezinhlayiya kuhilela ukufaka izinhlayiya zemisebe ngqo esimila ukuze kutholakale imisebe yendawo, okuhambisana ne-CAR-T ngokwenza buthaka amangqamuzana omdlavuza kusengaphambili. Ukuze kufinyelelwe ebuchosheni, ichibi lase-Ommaya Ukubekwa kuvumela ukulethwa kwemithi ngqo ku-cerebrospinal fluid, okungenzeka kukhulise ukusatshalaliswa kwe-CAR-T.
Idamu lase-Ommaya
Le divayisi ekhethekile, efakwe ngokuhlinzwa ngaphansi kwesikhumba sekhanda, ivumela ukulethwa ngqo kwemithi ku-cerebrospinal fluid nge-catheter kuya kuma-ventricles obuchopho. Ezigulini ze-glioblastoma, ikakhulukazi lezo ezine-leptomeningeal spread, i-Ommaya reservoir ivumela ukuphathwa okunembile kwamaseli e-CAR-T noma ezinye izindlela zokwelapha, ukuqinisekisa ukugcwala okuphezulu kwezidakamizwa ohlelweni lwezinzwa oluphakathi kanye nokungakhululeki okuncane uma kuqhathaniswa nokubhobozwa kwe-lumbar.
Leli cebo elisebenzisa izindlela eziningi lihlose khulisa ukulawula lesi sifo ngenkathi usekela ukululama kwakho kanye nenhlalakahle yakho.
imibuzo ejwayelekile ukubuzwa
- Ingabe ngiyafaneleka ukuthola ukwelashwa kwe-CAR-T?Ukufaneleka kuncike ezicini ezifana nohlobo lwesimila, ukwelashwa kwangaphambilini, kanye nempilo iyonke. Ukubonisana nochwepheshe bethu kungasiza ekunqumeni ukuthi kufanelekile yini kuwe.
- Yiziphi imiphumela emibi engaba khona?Ezivamile zihlanganisa ukukhathala, izimpawu ezihlobene nokuvuvukala, kanye nokusabela komzimba, okubhekwa futhi kulawulwa ngokucophelela.
- Inqubo ithatha isikhathi esingakanani?Kusukela ekuqoqweni kwamaseli kuya ekufakweni, kuvame ukuthatha amasonto amaningana, kanti ukunakekelwa okulandelayo kuyaqhubeka.
Uma ucabanga Ukwelashwa kwe-CAR-T ngoba i-glioblastoma, silapha ukukusekela ngokunakekelwa okunesihawu nokusekelwa ebufakazini. Xhumana nethimba lethu kwa-Bioocus ukuhlela ukubonisana nokufunda ukuthi le ndlela entsha ingangena kanjani ohlelweni lwakho lokwelashwa. Impilo yakho nethemba lakho kubalulekile kithi—ake sihlole izinketho ndawonye.
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