Yini Ukwelashwa Kwezakhi Zofuzo? Inhloso, Inqubo & Imiphumela

Ukwelashwa kwezakhi zofuzo kuyindlela yezokwelapha ethula izinto eziphathelene nezakhi zofuzo emangqamuzaneni akho ukuze welaphe noma uvimbele izifo. Cabanga ngakho njengokunikeza umzimba wakho imiyalelo emisha yokulungisa izinkinga ezingeni lamangqamuzana. Lokhu kwelashwa okusha kusebenza ngokufaka izakhi zofuzo ezingasebenzi kahle, ukufaka izakhi zofuzo ezinempilo, noma ukuvala izakhi zofuzo ezibangela ukugula.

Yini ukwelashwa kwezakhi zofuzo?

Ukwelashwa kwezakhi zofuzo kusebenzisa izakhi zofuzo njengemithi yokwelapha izifo eziphathelene nezakhi zofuzo, umdlavuza, nezinye izimo ezinzima. Izakhi zakho zofuzo ziqukethe uhlelo lokwenza amaprotheni agcina umzimba wakho usebenza kahle. Uma izakhi zofuzo zingasebenzi kahle, ukwelashwa kwezakhi zofuzo kungangena ukuze kunikeze imiyalelo elahlekile noma elungisiwe.

Ososayensi baletha lezi zakhi zofuzo zokwelapha besebenzisa izithuthi ezikhethekile ezibizwa ngokuthi ama-vector. Lawa ma-vector asebenza njengamaloli okuletha, ethwala izakhi zofuzo ezinempilo ngqo emangqamuzaneni awadingayo. Ama-vector avamile afaka amagciwane aguquliwe, izinhlayiya ezinamafutha ezibizwa ngokuthi ama-liposomes, nezindlela zokujova ngokuqondile.

Kunezindlela ezintathu eziyinhloko zokwelashwa kwezakhi zofuzo. Ukwelashwa ngokufaka izakhi zofuzo kwethula izakhi zofuzo ezintsha ukusiza ukulwa nezifo. Ukuhlela izakhi zofuzo kushintsha noma kulungisa izakhi zofuzo ezingasebenzi kahle ezivele zisemangqamuzaneni akho. Ukuthulisa izakhi zofuzo kuvala izakhi zofuzo ezibangela izinkinga uma zisebenza kakhulu.

Kungani kwenziwa ukwelashwa kwezakhi zofuzo?

Ukwelashwa kwezakhi zofuzo kunikeza ithemba lokwelapha izifo ezingenayo ikhambi noma izinketho zokwelapha ezilinganiselwe. Iqondisa imbangela eyinhloko yezifo eziphathelene nezakhi zofuzo kunokumane ilawule izimpawu. Le ndlela ingaba yigugu ikakhulukazi ezimweni ezizuzwe njengefa ezithinta izizukulwane eziningi zemindeni.

Odokotela bacabangela ukwelashwa kwezakhi zofuzo lapho ukwelashwa kwendabuko kungasebenzanga noma kungatholakali. Ezinye izimo zisabela kahle kule ndlela ngoba zibangelwa izakhi zofuzo ezingasebenzi kahle. Ezinye, njengomdlavuza othile, zingazuza ekwelashweni kwezakhi zofuzo okuthuthukisa ikhono lomzimba lokuzivikela ekulweni nesifo.

Ukwelashwa kulindeleke kakhulu ezifweni ezingavamile zofuzo ezithinta inani elincane labantu abagulayo. Lezi zimo ngokuvamile azinayo imithi esebenzayo ngoba ukuthuthukisa imithi yendabuko yezifo ezingavamile kungaba inselelo. Ukwelashwa ngofuzo kungahlinzeka ngezixazululo eziqondiwe zalezi zinkinga ezithile zofuzo.

Yini inqubo yokwelashwa ngofuzo?

Ukunikezwa kokwelashwa ngofuzo kuncike emangqamuzaneni adinga ukwelashwa kanye nesimo onaso. Le nqubo ngokuvamile iqala ngokuhlela nokulungiselela ngokucophelela ngokuya ngesimo sakho sezokwelapha esithile. Ithimba lakho lezokwelapha lizobona indlela engcono kakhulu yokuletha kanye ne-vector yezidingo zakho ezithile.

Izindlela ezivamile zokuletha zihlanganisa izindlela eziningana, ngasinye esikhethwe ngokuya ngesimo sakho kanye namangqamuzana oqondiwe:

• Ukujova ngemithambo kunikeza izakhi zofuzo ngegazi lakho ukuze kufinyelele amangqamuzana emzimbeni wakho wonke
• Ukujova okuqondile kubeka izakhi zofuzo ngqo ezicutshini noma ezingxenyeni zomzimba ezithile ezidinga ukwelashwa
• Ukuphefumula kuvumela izakhi zofuzo ukuthi zifinyelele emaphashini akho kanye nohlelo lokuphefumula ngempumelelo
• Ukusetshenziswa kwendawo kuqondisa izimo zesikhumba noma amanxeba adinga ukulungiswa kofuzo
• Ukujova kwe-Intrathecal kunikeza izakhi zofuzo ngqo emanzini akho oqolo ngezimo zemizwa

Ukwelashwa kwangempela kuvame ukuzizwa kufana nokuthola ezinye izindlela zokwelapha. Iningi lezinqubo zenziwa njengokuvakasha kwesiguli esingaguli, nakuba ezinye zingase zidinge ukuhlala esibhedlela ukuze kuqashwe.

Ngemva kokuthola ukwelashwa ngofuzo, ithimba lakho lezokwelapha lizokuqapha ngokucophelela. Bazolandela ukuthi izakhi zofuzo zokwelapha zisebenza kahle kangakanani futhi baqaphele noma yimiphi imiphumela emibi. Lesi sikhathi sokuqapha singathatha amasonto kuya ezinyangeni, kuye ngokwelashwa kwakho okuthile kanye nesimo.

Ungalungiselela kanjani ukwelashwa kwakho ngofuzo?

Ukulungiselela ukwelashwa ngofuzo kuhilela ukuhlolwa okuphelele kwezokwelapha nokuhlela. Udokotela wakho uzobukeza umlando wakho wezokwelapha ophelele, imithi oyithathayo njengamanje, nanoma yikuphi ukungezwani komzimba ongase ube nakho. Lolu lwazi lusiza ekuqinisekiseni ukuthi ukwelashwa kuphephile futhi kufanele esimweni sakho esithile.

Kungenzeka udinga izivivinyo eziningana ngaphambi kokuthi ukwelashwa kuqale. Lokhu kungabandakanya ukuhlolwa kwegazi, izifundo zokuthwebula izithombe, nokuhlolwa kofuzo ukuqinisekisa ukuxilongwa kwakho. Ithimba lakho lezokwelapha lisebenzisa lezi ziphumo ukwenza ngendlela oyifisayo ukwelashwa ngokuqondile ngesimo sakho kanye nokwakheka kwakho kofuzo.

Ngaphambi kokwelashwa kwakho, udokotela wakho uzokuchazela okulindelekile futhi abhekane nanoma yiziphi izinkathazo ongase ube nazo. Uzothola imiyalelo enemininingwane mayelana nokudla, ukuphuza, nokuthatha imithi ngaphambi kwenqubo. Ezinye izindlela zokwelapha ngofuzo zidinga ukuthi uyeke imithi ethile okwesikhashana ukuze ugweme ukuxhumana.

Ngemva kokusho lokho, ukulungiselela ngokomzwelo kubaluleke ngokulinganayo. Ukwelashwa ngofuzo kumelela isinqumo esibalulekile sezokwelapha, futhi kujwayelekile ukuzwa ukukhathazeka noma ithemba ngemiphumela engaba khona. Ithimba lakho lokunakekelwa kwezempilo lingakuxhuma nabeluleki noma amaqembu okusekela uma ungathanda ukukhuluma nabanye abaye bathola ukwelashwa okufanayo.

Ungazifunda kanjani imiphumela yakho yokwelashwa ngofuzo?

Imiphumela yokwelashwa ngofuzo ilinganiswa ngendlela ehlukile kunezivivinyo zegazi zendabuko noma izifundo zokuthwebula izithombe. Udokotela wakho uzoqapha izici eziningana ukuze anqume ukuthi ukwelashwa kusebenza ngempumelelo yini. Lezi zilinganiso zisiza ukulandelela kokubili impumelelo yokwelashwa kanye nokuphendula kwakho konke kwempilo.

Izinkomba zempumelelo ziyahlukahluka ngokuya ngesimo sakho esithile kanye nemigomo yokwelashwa. Ezifweni zofuzo, ukuthuthuka kungasho ukusebenza okungcono kwe-enzyme noma ukunciphisa izimpawu. Ekwelashweni komdlavuza, imiphumela ingabandakanya ukuncipha kwesimila noma ukuthuthukiswa kokuphendula kwamasosha omzimba emangqamuzaneni omdlavuza.

Iqembu lakho lezokwelapha lizosebenzisa izivivinyo ezihlukahlukene ukuhlola inqubekela phambili yakho. Izivivinyo zegazi zingalinganisa amazinga amaprotheni, umsebenzi we-enzyme, noma izinguquko zesimiso somzimba sokuzivikela. Izifundo zokuthwebula izithombe zingase zibonise ukuthuthuka ekusebenzeni kwezitho noma ukuqhubeka kwesifo. Ukuhlolwa kwezakhi zofuzo kungaqinisekisa ukuthi ngabe izakhi zofuzo zokwelapha zikhona futhi ziyasebenza yini emangqamuzaneni akho.

Imiphumela ngokuvamile ithuthuka kancane kancane emasontweni kuya ezinyangeni kunokuba ivele ngokushesha. Udokotela wakho uzokuchazela ukuthi yiziphi izinguquko ongazilindela nokuthi ungase uzibone nini ukuthuthuka. Ezinye izinzuzo zingase zilinganiswe ezivivinyweni zaselabhorethri ngaphambi kokuba uzwe izinguquko zomzimba.

Ungazithuthukisa kanjani imiphumela yakho yokwelashwa ngofuzo?

Ukusekela ukusebenza kahle kokwelashwa kwakho ngofuzo kuhilela ukulandela isiqondiso seqembu lakho lezokwelapha ngokucophelela. Ukuya kuwo wonke ama-aphoyintimenti okulandelayo kuvumela odokotela bakho ukuthi baqaphe inqubekela phambili yakho futhi benze noma yiziphi izinguquko ezidingekayo. Lokhu kuvakasha kubalulekile ekulandeleleni ukuthi ukwelashwa kusebenza kahle kangakanani nokubhekana nanoma yiziphi izinkathazo ngokushesha.

Ukugcina impilo enhle iyonke kungasiza umzimba wakho ukuthi usabele kangcono ekwelashweni ngofuzo. Lokhu kufaka phakathi ukudla ukudla okunomsoco, ukuthola ukuphumula okwanele, nokuhlala usebenza ngokomzimba njengoba kunconywe yithimba lakho lezempilo. Isimiso sakho somzimba sokuzivikela sidinga ukusebenza kahle ukuze sisekele inqubo yokwelapha.

Ukuncoma imithi njengoba kunqunyiwe kusekela impumelelo yokwelashwa kwakho ngofuzo. Ezinye izindlela zokwelapha zidinga imithi eyengeziwe ukusiza izakhi zofuzo zokwelapha ukuthi zisebenze ngempumelelo noma ukuphatha imiphumela emibi. Ungalokothi uyeke noma ushintshe imithi ngaphandle kokuxoxa ngayo nodokotela wakho kuqala.

Ukuxhumana neqembu lakho lezokwelapha kubalulekile kuyo yonke le nqubo. Bika noma yiziphi izimpawu ezintsha, izinguquko endleleni ozizwa ngayo, noma izinkathazo mayelana nokwelashwa kwakho. Abahlinzeki bakho bezempilo bangabhekana nezinkinga kusenesikhathi futhi balungise uhlelo lwakho lokunakekelwa uma kudingeka.

Ziyini izici eziyingozi zezinkinga zokwelashwa ngofuzo?

Ezinye izici zingakhuphula ingozi yakho yokuba nezinkinga ezivela ekwelashweni ngemijikelezo yofuzo. Impendulo yamasosha omzimba wakho kuma-vector okwelapha ingenye yezinto ezibaluleke kakhulu okufanele zicatshangelwe. Abantu abanezimo ze-autoimmune noma amasosha omzimba abuthaka bangase babhekane nezingozi ezihlukile kunezabo abanomsebenzi wamasosha omzimba onempilo.

Izimo zezokwelapha ezikhona ngaphambilini zingathinta ukuthi ukubekezelela kwakho ukwelashwa ngemijikelezo yofuzo kuhamba kahle kangakanani. Izinkinga zesibindi noma izinso zingase zithinte indlela umzimba wakho oqhubula ngayo izakhi zofuzo zokwelapha noma ama-vector. Izimo zenhliziyo zingathinta ukuthi iziphi izindlela zokuletha eziphephe kakhulu kuwe.

Ubudala bungaba nendima emiphumeleni yezokwelapha ngemijikelezo yofuzo nezingozi. Izingane ezincane kakhulu kanye nabantu abadala bangase basabele ngokuhlukile ekwelashweni kunezabantu abadala abanempilo. Ithimba lakho lezokwelapha lizocabangela iminyaka yakho nempilo yonke lapho liklama uhlelo lwakho lokwelashwa.

Ukwembulwa kwangaphambilini kumagciwane athile kungase kuthinte indlela osabela ngayo kuma-vector e-viral asetshenziswa ekwelashweni ngemijikelezo yofuzo. Uma uke waba nezifo ngamagciwane afana nalawo asetshenziswa njengama-vector, amasosha akho omzimba angase abone futhi ahlaselwe izakhi zofuzo zokwelapha ngaphambi kokuba zisebenze ngempumelelo.

Ziyini izinkinga ezingenzeka zokwelashwa ngemijikelezo yofuzo?

Izinkinga zokwelashwa ngemijikelezo yofuzo zingahluka kusukela kokuncane kuya kokukhulu, nakuba izinkinga ezinzima zingavamile. Imiphumela eminingi emibi iyalawuleka futhi yesikhashana, kodwa kubalulekile ukuqonda ukuthi yini engase yenzeke. Ithimba lakho lezokwelapha lizokuqapha eduze ukuze libambe futhi libhekane nanoma yiziphi izinkinga ekuqaleni.

Izinkinga ezivamile ezinokuhlangenwe nazo iziguli eziningi zihlanganisa izimpawu ezithambile ezifana nomkhuhlane:

• Umkhuhlane nokubanda njengoba amasosha akho omzimba esabela kuma-vector okwelapha
• Ukukhathala nomuzwa ojwayelekile wokungaphili kahle izinsuku ezimbalwa ngemva kokwelashwa
• Ikhanda noma izinhlungu zemisipha ezivame ukuxazululwa ngaphakathi kwesonto
• Isicanucanu noma ukuphazamiseka kokugaya ukudla, ikakhulukazi ngemithi ye-intravenous
• Ukuphendula kwendawo yokujova njengobubomvu, ukuvuvukala, noma ukuzwela

Lezi zimo ngokuvamile zibonisa ukuthi amasosha akho omzimba ayasabela emuthini, okungaba yisibonakaliso esihle sokuthi ukwelashwa kuyasebenza.

Izinkinga ezingathi sína azivamile kodwa zidinga ukunakekelwa kwezempilo ngokushesha. Ukusabela okukhulu komzimba kungase kwenzeke, nakuba kungavamile. Ezinye iziguli zingase zibe nokuvuvukala ezingxenyeni zomzimba lapho kuthunyelwa khona izakhi zofuzo. Ngokungavamile, izakhi zofuzo zokwelapha zingase zifakwe endaweni engalungile ku-DNA yakho, okungenzeka ukuthi kubangele izinkinga ezintsha.

Imiphumela yesikhathi eside isafundwa njengoba ukwelashwa ngofuzo kuyinkambu entsha. Iziguli eziningi azibi nazinkinga eziqhubekayo, kodwa abacwaningi baqhubeka nokubheka abantu abathole lokhu kwelashwa ukuze baqonde noma yimiphi imithelela yesikhathi eside.

Kufanele ngibone nini udokotela ngezinkinga zokwelashwa ngofuzo?

Xhumana nethimba lakho lezempilo ngokushesha uma uba nezimpawu ezinzima ngemva kokwelashwa ngofuzo. Umkhuhlane omkhulu, ubunzima bokuphefumula, ukusabela okukhulu komzimba, noma ubuhlungu obukhulu kudinga ukunakekelwa kwezempilo okuphuthumayo. Lezi zimpawu zingase zibonise izinkinga ezingathi sína ezidinga ukwelashwa ngokushesha.

Kufanele futhi uxhumane uma uqaphela izinguquko ezingalindelekile esimweni sakho noma izimpawu ezintsha ziqala. Nakuba eminye imiphumela emibi ijwayelekile, izimpawu ezingavamile noma eziqhubekayo zingase zibonise inkinga. Ithimba lakho lezempilo linganquma ukuthi lezi zinguquko zihlobene nokwelashwa kwakho noma zidinga ukuhlolwa okwengeziwe.

Ungalindi ukushaya ucingo uma unokukhathazeka mayelana nokusebenza kokwelashwa kwakho. Uma ungaboni ngcono okulindelekile noma uma isimo sakho sibonakala sibhebhetheka, udokotela wakho angase adinge ukulungisa uhlelo lwakho lokwelashwa. Ukuxhumana ngokushesha kungasiza ukuthuthukisa impumelelo yokwelashwa kwakho.

Ukuqokwa okulandelayo njalo kubalulekile ngisho noma uzizwa kahle. Lokhu kuvakashela kuvumela ithimba lakho lezokwelapha ukuthi liqaphe intuthuko yakho, lihlole noma yiziphi izinkinga eziqhamukayo, futhi liqinisekise ukuthi ukwelashwa kuqhubeka nokusebenza ngempumelelo. Ungalokothi weqe lezi zikhathi zokuqokwa, njengoba zibalulekile empilweni yakho yesikhathi eside nempumelelo yokwelashwa.

Imibuzo evame ukubuzwa mayelana nokwelashwa ngomjovo wemvelo

Q.1 Ingabe ukwelashwa ngomjovo wemvelo kulungile ekwelashweni komdlavuza?

Ukwelashwa ngomjovo wemvelo kubonisa imiphumela ethembisayo ezinhlotsheni ezithile zomdlavuza, ikakhulukazi imidlavuza yegazi efana ne-leukemia ne-lymphoma. Ukwelashwa ngamaseli e-CAR-T, uhlobo lokwelashwa ngomjovo wemvelo, lufeze impumelelo emangalisayo ekwelapheni ezinye iziguli ezinomdlavuza ezingazange zisabele ekwelashweni kwendabuko. Le ndlela iguqula amaseli akho omzimba ukuze akwazi kangcono ukuqaphela nokuhlasela amaseli omdlavuza.

Ezimbalini eziqinile, ucwaningo lokwelashwa ngomjovo wemvelo luqhubeka kodwa lusaqhubeka nokuhlolwa. Ezinye izindlela zigxila ekwenzeni amaseli omdlavuza abe sengozini enkulu ye-chemotherapy noma imisebe. Ezinye zisebenza ngokuthuthukisa ikhono lomzimba wakho lokulwa nomdlavuza. Udokotela wakho we-oncologist angasiza ekunqumeni ukuthi ukwelashwa ngomjovo wemvelo kungase kufaneleke yini ngohlobo lwakho oluthile lomdlavuza nesimo.

Q.2 Ingabe ukwelashwa ngomjovo wemvelo kulapha ngokushesha izifo zemvelo?

Ukwelashwa ngomjovo wemvelo kungahlinzeka ngentuthuko ehlala isikhathi eside ezifweni eziningi zemvelo, kodwa ukuthi ngabe kuyaphila ngempela kuncike ezintweni eziningana. Ezinye izindlela zokwelapha ngomjovo wemvelo zibonise izinzuzo ezihlala iminyaka eminingana, kanti ezinye zingadinga ukuphindwa kokwelashwa ngokuhamba kwesikhathi. Ukuqina ngokuvamile kuncike ekutheni yimaphi amaseli athola izakhi zofuzo zokwelapha nokuthi lawo maseli aphila isikhathi esingakanani.

Ezifweni ezithinta amaseli ahlukanisa ngokushesha, izinzuzo zingase ziphele njengoba amaseli aphathwayo eshintshwa ngokwemvelo. Kodwa-ke, ukwelashwa okuqondiswe kumaseli ahlala isikhathi eside njengama-neuron noma amaseli emisipha kuvame ukuhlinzeka ngemiphumela ehlala isikhathi eside. Udokotela wakho angachaza okulindelekile ngokuya ngesimo sakho esithile nohlobo lokwelashwa ngomjovo wemvelo olutholayo.

Umbuzo 3: Ingabe ukwelashwa ngomjovo wemvelo kungadluliselwa ezinganeni zami?

Ukwelashwa ngomjovo wemvelo okuningi okusetshenziswa njengamanje akuthinti izakhi zofuzo ozidlulisela ezinganeni zakho. Lokhu kwelashwa kuqondiswe emangqamuzaneni omzimba (amaseli omzimba) kunokuba amaseli okuzala, ngakho izinguquko zofuzo azizuzwa. Lokhu kusho ukuthi izingane zakho ngeke zithole izakhi zofuzo zokwelapha, kodwa futhi ngeke zithintwe yinoma yimiphumela emibi engaba khona.

Noma kunjalo, uma unesimo sezofuzo esingadluliselwa ezinganeni zakho, zingase zizuze izakhi zofuzo zokuqala ezinamaphutha. Ukwelulekwa ngezofuzo kungakusiza ukuthi uqonde izingozi nezinketho zomndeni wakho. Eminye imindeni ikhetha ukusebenzisa amasu okuzala afana nokufakelwa ngaphandle komzimba ngokuhlolwa kwezakhi zofuzo ukuvimbela ukudlulisela izifo zofuzo.

Umbuzo 4: Kuthatha isikhathi esingakanani ukuthi ukwelashwa ngomjovo wemvelo kusebenze?

Imiphumela yokwelashwa ngomjovo wemvelo ngokuvamile ithuthuka kancane kancane emasontweni kuya ezinyangeni kunokuba ivele ngokushesha. Ezinye iziguli zibona ngcono emasontweni ambalwa, kanti ezinye zingase zidinge izinyanga eziningana ngaphambi kokubona izinguquko ezibalulekile. Isikhathi sincike esimweni sakho esithile, uhlobo lokwelashwa, nokuthi umzimba wakho usabela kanjani ekwelashweni.

Ukuhlolwa kwelabhorethri kungase kubonise izinguquko ngaphambi kokuthi uzwe noma yikuphi ukuthuthuka ngokomzimba. Ithimba lakho lezokwelapha lizogada izimpawu ezithile ukuze lilandelele inqubekela phambili yokwelashwa futhi linqume ukuthi liyasebenza yini ngempumelelo. Ukubekezela kubalulekile, njengoba izinguquko zofuzo ezingeni leselula zithatha isikhathi ukuguqulela ekuthuthukisweni kwempilo okuqaphelekayo.

Umbuzo 5: Ingabe ukwelashwa ngomjovo wemvelo kukhokhelwa ngumshuwalense?

Ukukhokhelwa komshuwalense wokwelashwa ngomjovo wemvelo kuyahlukahluka kakhulu kuye ngokwelashwa kwakho okuthile, uhlelo lomshuwalense, kanye nesimo sezokwelapha. Ezinye izindlela zokwelapha ngomjovo wemvelo ezigunyaziwe zikhokhelwa ngumshuwalense, ikakhulukazi uma ziyindlela yokwelapha ejwayelekile yezimo ezithile. Noma kunjalo, ukwelashwa okungokwesikhashana noma okucwaningwayo kungase kungakhokhelwa.

Izinkampani eziningi zokwelapha ngofuzo zinikeza izinhlelo zokusiza iziguli ukusiza ngezindleko. Izivivinyo zomtholampilo ngezinye izikhathi zinikeza ukwelashwa kwamahhala ezigulini ezifanelekayo. Abeluleki bezimali beqembu lakho lokunakekelwa kwezempilo bangakusiza ukuthi uqonde izinzuzo zakho zomshuwalense futhi uhlole izinketho zosizo lwezezimali uma kudingeka.