Kev sib xyaw ntawm Kev Noj Qab Haus Huv thiab Kev Kho Mob rau Kev Kho Mob Cancer

Kev noj zaub mov ketogenic (tsawg carbohydrate, txwv tsis pub muaj protein ntau thiab cov rog siab) qhia txog kev ua tau zoo ntawm cov chav kawm tshiab ntawm cov tshuaj qog noj ntshav hauv kev kho mob qog noj ntshav.

cancer kev kho mob tau nyob rau hauv pem hauv ntej ntawm kev kho mob thiab kev tshawb fawb zej zog thoob ntiaj teb. 100 feem pua ​​​​ua tiav kev kho mob rau cancer tseem tsis tau muaj thiab feem ntau ntawm kev tshawb fawb tau tsom mus rau kev ua cancer cov hlwb hauv lub cev raug rau cov kws khomob lossis kev kho hluav taws xob lossis cov tshuaj tsom. Ib chav kawm tshiab tshiab ntawm cancer cov tshuaj tau nquag tshawb fawb nyob rau hauv xyoo tas los no. Cov tshuaj no tsom ib txoj hauv kev molecular tshwj xeeb uas dhau los ua qhov yuam kev hauv ntau hom cancer - lub xov tooj ntawm tes taw qhia txoj hauv kev hu ua phosphatidylinositol-3 kinase (PI3K), uas yog qhib los ntawm insulin. PI3K, ib tsev neeg ntawm cov enzymes ua lub luag haujlwm tseem ceeb hauv ntau cov haujlwm hauv cellular uas cuam tshuam rau kev mob qog noj ntshav. Kev hloov caj ces hauv PI3K enzyme muaj nyob rau hauv feem ntau ua cancer qog. Nws yog qhov kev hloov pauv ntau zaus uas ua rau PI3K yog tus neeg sib tw txaus siab los ua kev tawm tsam.cancer tshuaj. Inhibiting txoj kev ntawm no enzyme yog pom raws li ib tug muaj peev xwm mus tua cancer. Txhawm rau ua tiav lub hom phiaj no, ntau dua 50 cov tshuaj tau tsim thiab tsim kom deb li deb tau dhau los ntawm kev sim tshuaj ntsuam xyuas rau kev ua tau zoo. Hmoov tsis zoo, cov kev sim tshuaj no tsis tau ua tiav ntau, vim muaj kev nug txog kev ua tau zoo ntawm cov tshuaj no thiab lawv cov toxicity siab. Kev noj cov tshuaj no uas yuav cuam tshuam rau txoj hauv kev ua rau muaj kev poob qis hauv insulin hauv lub cev uas tsuas yog nce cov piam thaj hauv cov ntshav uas ua rau muaj teeb meem xws li hyperglycemia lossis ntshav qab zib ntau txawv txav. Cov neeg mob yuav tsum tsis txhob noj cov tshuaj no vim tias cov txiav txiav thaum kawg tsis tuaj yeem ua rau qhov poob los ntawm kev tsim cov tshuaj insulin ntau dua tom qab ua rau qee lub sijhawm.

Kev sib xyaw keto noj zaub mov nrog kev kho mob qog noj ntshav

Kev tshawb fawb tshiab luam tawm hauv xwm tau qhia tias ketogenic lossis keto noj cov zaub mov muaj txiaj ntsig zoo rau kev tshem tawm qee qhov kev mob tshwm sim ntawm cov neeg tiam tshiab cancer tshuaj thiab tuaj yeem muaj txiaj ntsig zoo hauv cancer kev kho mob. Kev noj zaub mov ketogenic suav nrog nqaij, qe thiab avocados ua cov khoom noj tseem ceeb. Lub tswv yim ntawm kev noj zaub mov no yog noj tsawg tsawg carbohydrates - uas tau tawg sai sai rau cov ntshav qab zib - thiab tseem muaj protein ntau - uas tuaj yeem hloov mus rau hauv cov ntshav qab zib. Cov khoom noj no ua rau peb lub cev tsim cov roj molecules me me hu ua 'ketones' (li no lub npe ketogenic) thiab lawv tsim nyob rau hauv lub cev nyob rau hauv daim siab nkaus xwb los ntawm cov rog xwb. Ketones zoo li lwm yam roj rau lub cev thaum twg qab zib (qabzib) nyob rau hauv cov khoom siv tsawg, suav nrog lub hlwb. Yog li ntawd, lub cev hloov pauv nws cov roj thiab 'khiav' tag nrho ntawm cov rog vim tias tsis muaj carbohydrates thiab cov protein tsawg raug tsim tawm. Qhov no tej zaum yuav tsis yog qhov zoo tshaj plaws scenario tab sis muaj txiaj ntsig kom poob phaus thiab tswj koj tus kheej. Kev noj zaub mov keto tau siv txij li ntau xyoo lawm los tswj cov tshuaj insulin hauv lub cev.

Ua raws li kev noj haus ketogenic (lossis 'keto') tuaj yeem muaj txiaj ntsig zoo thaum lub sijhawm cancer kev kho mob thiab kev mob tshwm sim ntawm chav kawm tshiab ntawm cancer tshuaj yuav zam tau. Cov kws tshawb fawb los ntawm Cornell University thawj zaug tshuaj xyuas cov txiaj ntsig ntawm PI3K-inhibting tshuaj hu ua buparlisib hauv cov nas raug mob pancreatic. cancer. Thaum cov tshuaj insulin nce ntxiv raws li qhov tshwm sim ntawm kev siv cov tshuaj no, PI3K txoj kev rov ua haujlwm dua thiab cancer kev kho mob thim rov qab, ua rau cov tshuaj tsis zoo. Txhawm rau kom tswj tau qhov txiaj ntsig ntawm qhov nce ntawm cov tshuaj insulin uas tau tshwm sim thaum twg cov tshuaj tau noj, yuav tsum tau ua raws li kev kho mob tshuaj. Lawv tau sim ntau yam kev xaiv xws li ntshav qab zib lossis insulin tswj cov tshuaj thiab lwm yam thiab kuaj cov nas, txawm li cas los xij, tsis pom muaj txiaj ntsig. Interestingly lawv tau pom tias cov nas uas nyob rau hauv keto noj zaub mov ua tau zoo dua hauv kev tswj cov ntshav qab zib thiab tshuaj insulin thaum tib lub sijhawm inhibiting qog loj hlob uas yog qhov xav tau scenario. Qhov no ua tau vim tias thaum nyob rau hauv kev noj zaub mov keto, muaj qhov txo qis glycogen cia kom tsis txhob muaj cov piam thaj ntxiv thaum PI3K txoj hauv kev raug txwv. Yog li, thaum tus neeg mob tuaj yeem tswj hwm nws cov piam thaj thiab insulin, cancer Cov tshuaj ua haujlwm zoo dua thiab muaj txiaj ntsig zoo hauv kev tswj kev loj hlob ntawm cov qog.

Keto noj zaub mov tsis muaj lub luag haujlwm ntawm nws tus kheej hauv kev tiv thaiv lossis kho tus mob cancer thiab yog tias noj ib leeg yam tsis muaj enzyme inhibitors, cancer tseem nce mus txog qhov kev cia siab. Kev noj haus nws tus kheej tuaj yeem tsim teeb meem yog tias noj ntawm koj tus kheej ntev dhau. Yog li ntawd, kev noj zaub mov keto yuav tsum tau ua kom zoo nrog rau cov chav kawm tiag tiag cancer kev kho mob. Raws li qhov tshwm sim ntawm txoj kev tshawb no, thaum tib neeg kev sim tshuaj rau PI3K inhibitor tshuaj, kev noj haus ntawm cov neeg mob yuav tsum tau ua tib zoo tswj. Cov kws tshawb fawb xav soj ntsuam yog tias sib txuas cov tshuaj pom zoo PI3K inhibitor thiab keto noj zaub mov (tshwj xeeb yog npaj los ntawm kev noj haus) tuaj yeem ua rau pom kev nyab xeeb, ua haujlwm tau zoo thiab txhim kho cov txiaj ntsig rau cov neeg muaj kev txom nyem los ntawm ntau hom cancer.

***

Qhov (s)

Hopkins BD et al 2018. Kev tawm tsam ntawm insulin tawm tswv yim txhim kho qhov ua tau zoo ntawm PI3K inhibitors. xwm.
https://doi.org/10.1038/s41586-018-0343-4

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