Ukudluliselwa kwamaseli athile kungalapha isifo sikashukela

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Ososayensi baseMelika abavela eMassachusetts esikhungweni sezobuchwepheshe sendawo kanye nemitholampilo eminingana yezokwelapha kuleliya lizwe benza isivivinyo esikhulu esihlobene nokufakelwa kwamaseli akhethekile akwazi ukukhiqiza i-insulin. Ukuhlolwa okwenziwe ngaphambilini kumagundane kunikeze imiphumela ekhuthazayo. Kwavela ukuthi amaseli omzimba womuntu aboshwe ngokusebenzisa ubuchwepheshe obukhethekile angalapha isifo sikashukela ezinyangeni eziyisithupha. Kulokhu, inqubo yokwelashwa iqhubeka nokuphendula okujwayelekile kokuzivikela komzimba.

Amaseli angeniswa emzimbeni ayakwazi ukukhiqiza i-insulin njengempendulo emazingeni kashukela akhuphukile. Ngakho-ke ungathola ikhambi eliphelele lesifo sikashukela sohlobo 1.

Ezigulini ezinalolu hlobo sikashukela, umzimba awukwazi ngokwemvelo ukugcina izinga elijwayelekile likashukela egazini. Kungakho kufanele balinganise ushukela kaningana nsuku zonke futhi bafake imithamo ye-insulin ngokwabo. Ukuzithiba kufanele kube okuqinile kakhulu. Ukuphumula okuncane noma ukwengamela kungabiza kakhulu impilo yesifo sikashukela.

Ngokufanelekile, isifo sikashukela singalashwa ngokufaka amaseli ama-islet abhubhisiwe. Odokotela bababiza ngeziqhingi zeLangerhans. Ngokwesisindo, la maseli emanyikweni enza i-2% kuphela. Kepha kungumsebenzi wabo obaluleke kakhulu emzimbeni. Imizamo eminingi yososayensi yokuhambisa iziqhingi zaseLangerhans yaphumelela ngaphambili. Inkinga ukuthi isiguli kwakudingeka ukuthi "siboshwe" isikhathi eside sokuphathwa kwama-immunosuppressants.

Ubuchwepheshe obukhethekile bokufakelwa manje sebenziwe. Umongo wayo ukuthi i-capsule ekhethekile ikuvumela ukuba wenze iseli elinikelayo "lingabonakali" emasosheni omzimba. Ngakho-ke akukho ukwenqatshwa. Futhi isifo sikashukela siyanyamalala ngemuva kwezinyanga eziyisithupha. Isikhathi sesifikile sokuvivinywa kwenqwaba yezempilo. Kufanele bakhombise ukusebenza kwendlela entsha. Isintu sinethuba langempela lokunqoba isifo sikashukela.

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