Kev yoo mov ib ntus tuaj yeem ua rau peb noj qab nyob zoo

Txoj kev tshawb no qhia tau hais tias kev yoo mov tsis tu ncua rau qee lub sijhawm tuaj yeem txhawb kev noj qab haus huv los ntawm kev txhawb nqa peb cov metabolism

Kev yoo mov yog ib qho tshwm sim ntawm cov tsiaj txhu feem ntau thiab kom haum rau kev yoo mov hauv qhov xwm txheej tsis zoo, kev hloov pauv hauv metabolic tshwm sim hauv lawv lub cev. Kev yoo mov tso cai rau lub cev hlawv roj ntau dhau hauv. Yog li, nws tau suav hais tias yog ib qho txheej txheem zoo li qub thiab ntuj tsim uas tsis muaj kev cuam tshuam rau peb lub cev li lub sijhawm. kev yoo mov 'lub cev rog' - zaub mov lub zog khaws cia hauv lub cev - tau noj. Sib quas ntus ceev suav nrog kev noj mov thaum lub sijhawm tshwj xeeb thiab tom qab ntawd yoo mov rau qee lub sijhawm txuas ntxiv. Sib nrug kev yoo mov yog ib qho kev noj haus uas tau dhau los ua neeg nyiam vim nws xav tias muaj txiaj ntsig poob phaus thiab nws tam sim no tau sau tias yog kev xaiv txoj kev ua neej. Txawm hais tias nws ntseeg tau tias kev yoo mov tsis tu ncua yog qhov muaj txiaj ntsig, tsis muaj qhov tseeb ntawm qhov tseeb ntawm cov txiaj ntsig no.

Thaum peb noj khoom noj khoom haus, cov khoom noj tau noj thiab tom qab ntawd qee qhov nws khaws cia rau lub zog uas tuaj yeem siv tom qab. Cov tshuaj hormone insulin feem ntau yog lub luag haujlwm rau cov txheej txheem no. Lub zog tshaj yog khaws cia rau hauv daim siab raws li suab thaj hu ua cov glycogens, ntawm no lub peev xwm cia yog heev txwv. Thaum lub sijhawm txwv tsis pub dhau, peb lub siab pib hloov cov suab thaj ntau dhau mus ua rog. Tag nrho cov rog no tsis tuaj yeem khaws cia rau hauv daim siab vim muaj kev txwv cia; li no nws yog exported rau lwm qhov chaw ntawm lub cev qhov chaw cia yog unlimited. Qhov kev cia ntawm cov rog ntau dhau los ua rau qhov hnyav nce thiab lwm yam kab mob.

Qhov cuam tshuam ntawm kev yoo mov ntawm peb lub moos circadian

Cov kws tshawb fawb los ntawm University of California Irvine, Tebchaws Asmeskas tau tshawb xyuas qhov cuam tshuam ntawm kev yoo mov ntawm peb lub cev thiab tshwj xeeb tshaj yog ntawm peb lub moos circadian. Circadian rhythms yog peb lub voj voog pw tsaug zog txhua hnub uas yog ib qho tseem ceeb rau lub neej thiab tswj peb lub cev sib npaug. Lub voj voog 24-teev no tsis yog tswj hwm peb txoj kev pw tsaug zog thiab sawv cev nkaus xwb tab sis tseem cuam tshuam nrog kev hloov pauv ntawm metabolic, physiological thiab kev coj tus cwj pwm uas cuam tshuam rau txhua cov ntaub so ntswg nyob hauv peb lub cev. Piv txwv li, thaum peb tsis muaj qabzib, lub siab pib tsim ketones los ntawm fatty acids kom lub cev tuaj yeem siv qhov ntawd los ua lub zog thaum muaj xwm txheej ceev.

Cov zaub mov uas peb noj muaj qhov cuam tshuam loj rau peb lub moos circadian raws li kev noj mov modulates circadian rhythms, qhov tseem tsis tau nkag siab yog li cas 'kev yoo mov' cuam tshuam rau cov kev sib tw no thiab ua rau peb muaj kev cuam tshuam rau peb. noj qab haus huv. Cov kws tshawb fawb tau teeb tsa kom nkag siab tias kev yoo mov tuaj yeem cuam tshuam li cas circadian rhythms hauv daim siab thiab cov leeg pob txha hauv cov nas hauv lawv txoj kev tshawb fawb luam tawm hauv Cell Reports. Cov tsiaj nyob rau lub sijhawm yoo mov 24-teev, thaum ntsuas lawv lub cev ua haujlwm. Thaum cov nas yoo mov, lawv siv oxygen thiab lub zog tsawg dua. Tab sis sai li sai tau thaum lawv pib noj dua, qhov kev hloov pauv ntawm lub cev tau thim rov qab. Kev yoo mov ua rau yoo mov-rhiab cellular teb nyob rau hauv nas uas coj mus rau reorganization ntawm noob nyob rau hauv lub cev nqaij daim tawv nqaij thiab daim siab, ua rau lawv cov metabolism hauv kom ceev thiab txhawb kev noj qab haus huv. Cov leeg nqaij sib txawv tau pom ntau cov lus teb, piv txwv li cov leeg pob txha yog ob zaug teb rau kev yoo mov piv rau cov leeg nqaij. Cov noob hloov pauv no tau pom tseeb 'thaum' yoo mov. Yog li, kev yoo mov cuam tshuam rau lub moos circadian raws li tus tsiaj lub circadian oscillations tau muaj zog dua hauv cov nas yoo mov. Tsis tas li ntawd, thaum muab piv, txawm tias siv tib lub zog, cov nas yoo mov tsis muaj kev rog lossis cov kab mob metabolic li lwm cov nas.

Kev tawm dag zog, noj zaub mov muaj protein ntau thiab kev yoo mov tsis tu ncua

Cov kev tshawb pom qhia tias kev yoo mov pib rov ua cov lus teb sib txawv ntawm tes. Thiab yog tias lub sijhawm yoo mov tuaj yeem npaj tau zoo, tuaj yeem ua rau muaj txiaj ntsig zoo ntawm cov haujlwm ntawm tes thiab qhov no tuaj yeem muab cov txiaj ntsig kev noj qab haus huv thiab kev tiv thaiv kev laus ntawm cov kab mob. Nws yog qhov tseeb tias kev yoo mov yog ua kom muaj kev hloov pauv ntawm noob caj noob ces (los ntawm kev tswj hwm) thiab tuaj yeem hloov pauv hauv peb cov metabolism hauv peb lub moos circadian. Qhov no tuaj yeem muaj qhov cuam tshuam zoo rau peb txoj kev noj qab haus huv. Nws tau pom zoo tias kev cuam tshuam hauv circadian rhythms tuaj yeem ua rau muaj kev rog rog thiab tseem muaj cov kab mob metabolic xws li ntshav qab zib, uas tau lees paub ntxiv los ntawm txoj kev tshawb fawb tam sim no ntawm kev yoo mov. Kev tshawb pom tsuas yog thawj kauj ruam hauv kev nkag siab tias kev yoo mov cuam tshuam li cas rau peb cov circadian rhythms, tab sis nws yog nyob rau hauv cov kev taw qhia ntawm yuav ua li cas nrhiav tau qhov zoo tshaj plaws kev yoo mov tswj hwm / cov lus qhia uas tuaj yeem muaj cov txiaj ntsig zoo metabolism thiab tuaj yeem txhawb kev noj qab haus huv. Nrog rau kev tawm dag zog thiab kev noj zaub mov muaj protein ntau, kev yoo mov tsis tu ncua (saib nrog 12 teev ib ntus) tuaj yeem ua lub neej zoo ntxiv.

***

Qhov (s)

Kinouchi K et al. 2018. Fasting Imparts a Switch to Alternative Daily Pathways in Liver and Muscle. Xovtooj Ntawm Xov Tooj. 25 (12). https://doi.org/10.1016/j.celrep.2018.11.077

***

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