Thaum tsis muaj dab tsi nyob ntawm peb ob-feem-peb ntawm tag nrho cov mob cancer ntau yog tshwm sim los ntawm random change

Tshiab scientific pab neeg tshawb fawb zaum ntawm lub Center ntawm Johns Hopkins cancer qhia tau hais tias 66 feem pua ntawm tag nrho cov mob cancer-ua change yog ib tug ncaj qha txim ntawm random DNA replication uas tsis. Tu siab, qhov no txhais tau tias li change yog kev tsis pom nrias thiab peb yuav tsis tiv thaiv lawv.

tau ntawm txoj kev tshawb

Qhov no striking xaus yog raws li nyob rau hauv ib tug series ntawm zauv qauv siv twv seb rau DNA luam paths, nrog rau kev tsom xam ntawm lub pre-uas twb muaj lawm tso ntawm cov ntaub ntawv txog kev mob kheesxaws. Cov change tshwm sim hais seb tus neeg ntawd yog lub cev noj qab nyob zoo los yog tsis, seb tus nyiam haus luam yeeb los yog haus dej haus cawv, thiab hais txog. General xeev kev kho mob, nws zoo nkaus li sob.

"Peb tau kawm txog cov kev sib raug zoo ntawm tus xov tooj ntawm tej kav cell division thiab cov kev loj hlob ntawm kev pheej hmoo 17 qog nqaij hlav nyob rau hauv 69 lub teb chaws nyob ib ncig ntawm lub ntiaj teb no - tus soj ntsuam sau nyob rau hauv lawv daim ntawv. - Cov ntaub ntawv tsom ib tug muaj zog correlation ntawm cov xwm txheej ntawm cancer thiab ib txwm qia cell division nyob rau hauv tib neeg nyob rau hauv ntau lub teb chaws, hais txog ntawm qhov nruab nrab. "

Nws twb tseem pom tias 29% ntawm cov mob qog nqaij hlav yog tshwm sim los ntawm ib puag ncig yam tseem ceeb. Tsuas 5% ntawm cov neeg mob cancer zoo nkaus li yuav tsum tau pub.

zoo xws li cov lus xaus

Cov kev tshwm sim yog ib yam uas muaj qhov xaus mus txog los ntawm cov kev soj ntsuam ntawm nyob rau hauv 2015: feem ntau cov qog nqaij hlav yog lub txiaj ntsim ntawm "hmoov phem ualuaj" es lwm yam. Nyob rau tib lub sij hawm, qhov kev tshwm sim ntawm ua ntej lawm kev tshawb fawb tau tsa ib tug ntau ntawm controversy, thiab qhov no tshiab ua hauj lwm yog yuav mus fim cov tib hostile cua.

Yuav ua li cas peb paub txog kev mob kheesxaws

Muab no, nws yog tsim nyog los hais txog ib co tseem ceeb cov ntsiab lus. Cancer yog ib tug heev tus kab mob. Muaj tsawg kawg yog 200 ntawm nws hom, thiab txhua tus ntawm lawv yog ib tug txhoj puab heev thiab tuag taus, txawm hais tias nyob rau hauv tej rooj plaub tej zaum nws yuav zam kev rau kev kho mob, thiab nws muaj peev xwm txawm yuav kho tau zoo. Tsis tas li ntawd, muaj ntau ntau txoj kev soj ntsuam nrog cancer, los ntawm tsoos rau pej xeem. Ib txhia ntawm lawv yog cov zoo tshaj dua li lwm leej lwm tus.

Qhov tseem ceeb tshaj kom to taub rau hauv no hwm: peb tseem tsis tau paub ntau yam txog kab mob no. Cancer yuav muab tau los ob leeg los ntawm ib tug xov tooj ntawm cov nyom ib puag ncig yam tseem ceeb (tawg, carcinogens thiab mob) thiab ua rau caj, thiab ib co ntawm lawv yog cov yuav muaj ntau cawv dua lwm tus.

Raws li zaum, uas tsis koom nyob rau hauv txoj kev tshawb no

Ib tug tshiab txoj kev tshawv no ua rau peb xav hais tias hais txog dab tsi peb yuav underestimate random xwm ntawm carcinogenic change nyob rau hauv peb DNA, thiab qhov no ua ib qho kev ib tug xov tooj ntawm cov teeb meem.

Txawm tias cov ntaub ntawv qhia hais tias tus nqi ntawm carcinogenic random change yog tsis tshua muaj siab, lub sij tooj tej zaum yuav tsawg. Tseeb, muaj ntau lwm yam kev soj ntsuam ntseeg tau hais tias cov correlation cancer thiab DNA replication uas tsis, uas qhia rau hauv lub tam sim no txoj kev kawm thiab yog ib tug uas coj qhov chaw nyob rau hauv 2015, ib yam nkaus thiab exaggerated sau phau ntawv. Ib txhia kuj muab sau tias tus sau phau ntawv ntawm cov kev tshawb fawb cia siab ntau heev rau ib tug set ntawm cov ntaub ntawv, whereas yuav tsum tau coj mus rau hauv tus account thiab lwm tus neeg.

Lwm txoj kev tshawb no luam tawm nyob rau hauv cov phau ntawv journal Xwm rov qab nyob rau hauv 2016, muaj cov lus rov xaus. Tus sau phau ntawv sib cav hais tias nws yog cov ib puag ncig yam tseem ceeb yog qhov ua rau ntawm feem ntau cov qog nqaij hlav. Yog li, nws yuav paub tseeb hais tias ntawm qhov tseeb uas nej yuav tsum siv ib tug ntau ntau cov kev tshawb fawb.

Qhov tseem ceeb ntawm thaum ntxov mob

Nyob rau hauv txhua rooj plaub, nws yeej tsis txhais hais tias koj yuav tsis tsawg kawg yog ib nrab tswj feem ntau hom mob cancer. Txawm hais tias ib tug neeg tsis tshua muaj hmoo thiab nws tau txais cancer vim hais tias ntawm random change, nws yog ntau dua kom ciaj sia dua thaum twg lwm yam taw tes nyob rau hauv tib neeg keeb kwm, ua tsaug rau lub zoo kawg ua hauj lwm ntawm kws tshawb fawb thiab kws kho mob ib ncig ntawm lub ntiaj teb no.

Nyob rau hauv qhov tseeb, tus sau phau ntawv taw tes kom paub tias, yog hais tias tus tau yog muaj tseeb, lawv ib zaug dua qhia qhov tseem ceeb ntawm cov kev nrhiav kom tau ntawm mob cancer cov tsos mob nyob rau hauv thaum ntxov ua sawv.

"Peb tsom qhia txog qhov tseem ceeb ntawm thaum ntxov thiab kev pab rau txo tau lub neej los ntawm ntau cov qog nqaij hlav txuam nrog random change" - lawv sau.

Yuav ua li cas los txo cov kev pheej hmoo ntawm mob cancer

Zuag qhia tag nrho kev pheej hmoo ntawm mob cancer yuav raug txo los ntawm ntsis ce, kev txwv rau haus dej haus cawv noj, xuas thiab muab kev haus luam yeeb. Nyob rau hauv qhov tseeb, ib tug tsis ntev los no txoj kev tshawv no xaus lus tias tus tuag tus nqi los ntawm cancer nyob rau hauv lub tebchaws United States yuav raug txo los ntawm ib nrab, yog tias txhua txhua American neeg laus yuav ua raws li cov tswv yim pom zoo.

Yog li ntawd tsis ntshai thiab tsis ntseeg hais tias cov sensational muaj nuj nqis. Nyob ib noj qab nyob zoo lub neej thiab koom nyob rau hauv kev siab hlub rau mob cancer kev tshawb fawb. Tsis hais dab tsi ua rau mob cancer - raws roj ntsha noob, txoj kev ua neej los yog random DNA replication uas tsis, qhov ntau peb paub txog tus kab mob no, qhov zoo nruab rau tua nws.