Kev cuam tshuam ntawm Lub Cev Lub Cev vim tsis tu ncua Insulin secretion txuam nrog kev noj tsis tu ncua ua rau muaj kev pheej hmoo ntawm cov kab mob ntev.

Kev noj zaub mov tswj hwm qib ntawm Insulin thiab IGF-1. Cov tshuaj hormones no ua lub luag haujlwm tseem ceeb hauv kev tswj cov ntshav qab zib. Txoj kev tshawb no qhia tias cov tshuaj hormones no tseem ua haujlwm tseem ceeb ntawm lub sijhawm pub mis rau lub cev. Lawv rov pib lub moos circadian los ntawm induction ntawm lub sij hawm proteins. Ib qho kev qhia tsis tu ncua ntawm cov tshuaj insulin vim yog kev noj zaub mov tsis tu ncua cuam tshuam rau circadian physiology thiab tus cwj pwm thiab lub moos gene qhia. Kev cuam tshuam ntawm lub cev lub moos nyob rau hauv lem yog txuam nrog nce kev tshwm sim ntawm cov kab mob ntev.

Circadian suab paj nruag los yog peb 'lub cev moos' yog lub voj voog 24-teev uas tswj hwm peb txhua hnub kev hloov pauv ntawm lub cev thiab lub hlwb suav nrog pw tsaug zog. Cov kab mob ntawm lub cev no teb rau feem ntau qhov kaj thiab qhov tsaus ntuj hauv peb ib puag ncig tam sim ntawd thiab rau peb lub sijhawm noj mov. Physiologically, tib neeg tau yoog kom tau txais lub teeb thiab zaub mov thaum nruab hnub. Peb lub cev moos yog synced zoo nrog rau sab nraud ib puag ncig. Qhov synchronization no tseem ceeb thiab yog vim li cas thaum twg muaj kev hloov pauv loj hauv peb lub cev lub moos, nws tuaj yeem muaj kev cuam tshuam tsis zoo rau peb. noj qab haus huv. Piv txwv ntawm kev hloov pauv xws li thaum ib tus neeg ua haujlwm hmo ntuj lossis ib tus neeg taug kev hla thaj tsam sijhawm.

Nws paub zoo tias lub sijhawm noj mov tsis tu ncua, tshwj xeeb tshaj yog noj hmo tsaus ntuj tuaj yeem cuam tshuam peb lub cev lub sijhawm ua rau muaj kev noj qab haus huv tsis zoo, txawm li cas los xij, lub ntsiab lus tseem tsis tau meej txog tam sim no. Ib txoj kev tshawb fawb luam tawm hauv cell Lub Plaub Hlis 25, 2019 tshaj tawm tias cov ntshav-qabzib tswj cov tshuaj hormones insulin thiab insulin loj hlob yam tseem ceeb (IGF-1) ua lub cim tseem ceeb uas sib txuas lus noj mov rau peb lub cev moos. Insulin feem ntau tso tawm thaum peb noj zaub mov. Hauv txoj kev tshawb no, cov kws tshawb fawb tau muab cov nas rau insulin thiab IGF-1 ntawm 'lub sijhawm tsis raug' piv txwv li thaum tsaus ntuj thiab cov tsiaj pw tsaug zog. Cov txiaj ntsig tau pom tias muaj kev cuam tshuam rau cov nas lub circadian atherosclerosis vim yog induction ntawm lub sij hawm circadian proteins (PERIOD proteins) ntawm lub sij hawm tsis ncaj ncees lawm thaum nas tsis tas yuav ua haujlwm. Peb PERIOD homologous proteins PER1, PER2 thiab PER3 yog cov khoom tseem ceeb ntawm cov tsiaj txhu circadian moos. Qhov no untimely nce nyob rau hauv PER proteins cuam tshuam nas lub circadian physiology, tus cwj pwm thiab moos gene qhia. Cov nas pom qhov sib txawv nruab hnub thiab hmo ntuj yog qhov muag plooj.

Insulin thiab IGF-1 tau cuam tshuam rau kev cuam tshuam lub cev moos hauv kev tshawb fawb yav dhau los tab sis lawv cov txheej txheem tsis paub zoo. Nws tau xav tias lawv qhov kev ua yuav raug txwv rau qee cov ntaub so ntswg hauv lub cev. Cov yam tseem ceeb uas cuam tshuam kev tsim ntawm lawv lub luag haujlwm yog lawv cov kev faib tawm dav, kev ua haujlwm tsis zoo thiab ib nrab rov ua dua ntawm insulin thiab IGF-1.

Qhov kev tshawb fawb tshiab no qhia tau hais tias qhov tsis sib xws ntawm insulin secretion cuam tshuam nrog noj tsis raws sijhawm cuam ​​tshuam lub cev lub cev thiab cuam tshuam rau ib tus neeg txoj kev noj qab haus huv. Qhov kev cuam tshuam ntawm lub cev moos no cuam tshuam nrog kev pheej hmoo thiab mob hnyav ntawm cov kab mob ntev xws li hom 2 mob ntshav qab zib, rog rog thiab kab mob plawv. Yog li, kev noj zaub mov raws sijhawm thiab lub teeb pom kev yog qhov tseem ceeb los tswj lub cev lub cev kom noj qab haus huv. Kev nkag siab tias peb lub cev lub moos teb li cas thiab hloov mus rau qhov hloov pauv ntawm lub teeb thiab lub sijhawm noj mov yog qhov tseem ceeb rau cov neeg ua haujlwm hmo ntuj, cov neeg pw tsaug zog tshwj xeeb tshaj yog cov hluas thiab cov neeg laus.

***

{Koj tuaj yeem nyeem cov ntawv tshawb fawb thawj zaug los ntawm nyem rau ntawm DOI qhov txuas tau muab hauv qab no hauv cov npe ntawm cov khoom raug suav nrog}

Qhov (s)

Crosby P. 2019. Insulin/IGF-1 Tsav PERIOD Synthesis kom nkag mus rau Circadian Rhythms nrog lub sijhawm pub mis. Cell. https://doi.org/10.1016/j.cell.2019.02.017

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