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Kev Npaj CAR-T Cell Kom Sai Dua Los Txhim Kho Cov Txiaj Ntsig Ntawm Tus Neeg Mob

2024-11-14

Kev kho mob CAR-T cell, kev kho mob tshiab rau Kab mob B-Cell Leukemia thiab lymphoma, tab tom tshawb nrhiav ntau ntxiv rau lwm yam mob qog ntshav hauv cov ntshav, cov qog nqaij hlav khov kho, thiab cov kab mob autoimmune. Txawm li cas los xij, kev nthuav dav txoj kev kho mob no mus rau cov cim tshiab ua rau muaj kev cov nyom hauv kev xa khoom, vim tias kev tsim cov hlwb CAR-T tam sim no tuaj yeem siv sijhawm txog 3-6 lub lis piam. Kev tshuaj xyuas tsis ntev los no hauvPhau ntawv Lancet Hematology tham txog kev nce qib tseem ceeb hauv kev tsim cov cell CAR-T uas lub hom phiaj yog ua kom cov txheej txheem yooj yim dua, txhim kho qhov zoo ntawm cell, thiab nthuav dav kev nkag mus rau cov neeg mob.

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Ib txwm muaj, kev npaj CAR-T cell xav tau kev ua haujlwm thiab kev nthuav dav ntawm cov cell hauv vitro, uas tuaj yeem ua rau cov cell qaug zog thiab txo qis kev kho mob. Cov kev tsim kho tshiab tsis ntev los no, xws li cov txheej txheem txo qis kev nthuav dav, cov txheej txheem tsis ua haujlwm, thiab kev tsim khoom ntawm qhov chaw saib xyuas, muab kev tig rov qab sai dua nrog kev tswj hwm tsawg kawg nkaus hauv vitro. Cov txheej txheem no, tam sim no tau siv rau hauv kev sim tshuaj thiab kev lag luam. Cov Khoom CAR-T, hais txog kev tsim cov hlwb CAR-T uas tsis tshua muaj qhov sib txawv thiab tsis kam qaug zog, ua rau muaj kev kho mob uas yuav muab cov txiaj ntsig tiv thaiv kab mob qog noj ntshav ntau dua.

 

Daim kev tshuaj xyuas kuj tseem qhia txog kev nce qib hauv kev xaiv T-cell ua ntej kom tshem tawm cov hlwb tsis xav tau lossis cov hlwb tiv thaiv kab mob, ua kom muaj peev xwm kho tau cov khoom CAR-T. Cov algorithms uas ua kom lub sijhawm leukapheresis zoo dua raws li cov txiaj ntsig ntshav ua ntej kev kho mob ntxiv txhim kho kev siv cov peev txheej thiab kev nkag mus tau yooj yim.

 

Cov txheej txheem npaj CAR-T sai twb qhia tau tias muaj txiaj ntsig zoo. Cov kev sim tshuaj qhia tau tias lub sijhawm tsim khoom luv dua tuaj yeem ua rau cov cell nyob ntev dua thiab ua haujlwm tau zoo dua, nrog rau kev tshawb fawb txuas ntxiv tshawb nrhiav cov txheej txheem tsim khoom sai heev uas coj cov cell CAR-T rau cov neeg mob hauv ib hnub.

 

Ntxiv rau cov txheej txheem txo qis kev nthuav dav, kev tsim kho tshiab ntawm tes ua rau CAR-T ua haujlwm tau zoo dua. Cov txheej txheem suav nrog kev siv cov tshuaj me me inhibitors thaum lub sijhawm tsim khoom los khaws cov qauv nco qab T-cell thiab tiv thaiv kev qaug zog. Piv txwv li, AKT inhibitors tau koom ua ke rau hauv CAR-T cov txheej txheem tsim khoom, qhia txog kev ua haujlwm tiv thaiv kab mob qog noj ntshav zoo dua hauv cov qauv leukemia ua ntej. Ntxiv mus, CAR-T hlwb tsim los tso cov cytokines immunostimulatory, xws li IL-18, tau ua pov thawj zoo dua hauv vivo kev tswj hwm qog noj ntshav thiab kev loj hlob ntawm tes hauv kev sim tshuaj thaum ntxov.

 

Raws li qhov kev thov thoob ntiaj teb rau CAR-T kev kho mob loj hlob tuaj, cov kev nce qib no coj lub peev xwm los hloov pauv kev saib xyuas neeg mob, ua rau kev kho mob zoo tuaj yeem nkag tau sai dua thiab ntawm qhov loj dua.