ImpiloUmdlavuza

Ufuzo Ayikwazi Yokubhekana Nokuphelelwa Cancer

Amanye amaseli cishe musa ukukhiqiza kabusha ngenkathi abanye okunalokho ngejubane breakneck. Amanye amaseli abayeki nokwelashwa ngamakhemikhali, kuyilapho abanye kunalokho - die kweso. Kodwa noma kunjalo, la mangqamuzana yakhiwa izakhi efanayo ososayensi esisazokufunda indlela yokuphatha ukuze elashwe isifo njengesifo somdlavuza.

Yilokho isiphetho esinjalo kungabonwa ephephabhukwini ethandwa Isayensi ukuthi ababhali bocwaningo ukuchaza ukuthi ngalesi komqondo nezinga lokukhula kwengane wezokwelapha, ososayensi ungakabi bakwazi ukunikela emhlabeni ikhambi umdlavuza futhi zisikisela ukuthi izidakamizwa sitholwe Ufuzo ngeke bakwazi ukunqoba lesi sifo.

Zithanda noma zingathandi, kuba ufuzo yomdlavuza kungaba ukucacisa yokuxazulula isimo. Kodwa ucwaningo olusha ithola ukuthi indlela yokuxazulula le nkinga akuncikile indiza ye-DNA lesi sifo. ukwelashwa yamanje aim ukuhlonza amaseli eziwumphumela ukuguquka kwezakhi zofuzo uqale ezimathonsi ukwabelana. It kuvela ukuthi nje udinga ukuthola amamolekhuli ukuthi sithwale kuguquka bese kunodokotela yokuthola ikhambi ezokwenza nalezi imithombo izifo.

Ngokusekelwe lokhu, ezifana izidakamizwa Xalkori Pfizer (umdlavuza wamaphaphu) kanye Gleevec Novartis (ezingamahlalakhona myeloid wegazi). Kodwa ukuze kwehlele isikhathi (futhi ngokuvamile iza) lapho le mithi ziyeke ukusebenza, njengoba umthetho, ezimweni ezinjalo kucatshangwa ukuthi amangqamuzana omdlavuza yathela kuguquka entsha, ngokumelene lapho izidakamizwa ukuze nje buthuntu.

Kulesi sifundo, abacwaningi bamangala ukuthola ukuthi amangqamuzana omdlavuza ikholoni iziphatha ngendlela ehlukile kakhulu, yize babengaphelele ekuqaleni nsé ukuguquka kwezakhi zofuzo waba nomuzwa wokuthi lo mehluko babengenalo mehluko. Lokhu kwakuphambene inkolelo ekhona eyisakhiwo ekutheni izakhi zofuzo banesibopho imisebenzi amangqamuzana ngamanye e isimila, futhi lona kanye zizalela umsebenzi futhi ukusabela kwabo ngamakhemikhali.

Njengoba isazi sezakhi zofuzo Dzhon dik uthi umlobi cwaningo, uma DNA - akuyona komthombo ukuthuthukiswa isimila, thina nje ukuthi nokwami uma ufuna ukwelapha umdlavuza, abe nesidingo semithi yokwelashwa, okumele abe okusekelwe izici ze-non-zofuzo.

Ngaphandle kokuya imininingwane cwaningo, siphawula ukuthi ososayensi base ngempela kusimangaze ukuziphatha izimila anomdlavuza ku ikholoni. Ngenxa yokusabela kuya izidakamizwa ekhona amangqamuzana omdlavuza baziphathe nje engalindelekile.

Abanye ososayensi nochwepheshe adunyiswe ucwaningo kanye zisekela umbono wokuthi ngamunye yokwelapha umdlavuza - a bobble omkhulu, ikakhulukazi uma ucabangela kwindlela linikezwa emphakathini.

Abanye bakholelwa ukuthi yalokho onjalo kwakuyiNkosi kumelwe zilindelwe, ngoba ukukhula zamangqamuzana omdlavuza luncike nemingcele abaningi bangaphandle, kuhlanganise, ngokwesibonelo, imvelo, futhi bayoba yezimbangela juqu, lapho ekugcineni sizobonisa indlela ukuba yokwelapha ngempumelelo ekwelapheni umdlavuza.

Abacwaningi bakholelwa ukuthi isizathu siwukuthi: endaweni esigabeni lapho cell (ukuphumula, ukuhlukana, ukukhula); sofuzo ukuthi kukhona ahileleke ngesinye isikhathi; kungakhathaliseki ukuthi kukhona ukufinyelela oxygen yeseli esithile, futhi nezinye izinto ze-non-zofuzo.

Ngokwesibonelo, ukuphathwa ingaqondiswa cell ukudluliswa kusuka ithule isigaba esiphelweni isigaba, njengoba ziba kusengozini yokuthi nokwelashwa ngamakhemikhali, okuyinto ngokomthetho sibhekiswe bystrorazmnozhayuschiesya amaseli.

Ososayensi bakholelwa ukuthi umdlavuza kufanele baphathwe ngu zokwelapha ezingeni yamangqamuzana ezinto eziphilayo.

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