2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Induced pluripotent stem cells (iPSCs) yog pluripotent qia hlwb tsim los ntawm cov neeg laus los ntawm reprogramming. iPSCs muaj tib lub zog xws li embryonic qia hlwb, thiab yog li nws tus kheej-renew thiab tuaj yeem sib txawv rau txhua hom cell ntawm lub cev tshwj tsis yog cov hlwb hauv cov ntaub so ntswg ntxiv xws li cov placenta.
Yuav ua li cas induced pluripotent qia hlwb tsim?
Induced pluripotent qia hlwb (iPS hlwb lossis iPSCs) yog hom pluripotent qia cell uas tuaj yeem tsim los ntawm cov neeg laus somatic hlwb xws li tawv nqaij fibrobalsts lossis peripheral ntshav mononuclear cells (PBMCs) los ntawm kev tshuaj ntsuam genetic reprograming los yog 'yuam' qhia txog cov noob caj noob ces (Oct4, Sox2, Klf4 thiab c-Myc).
Dab tsi yog lub hauv paus ntawm induced pluripotent qia hlwb?
iPSC yog muab los ntawm daim tawv nqaij lossis cov qe ntshav uas tau rov ua haujlwm rov qab mus rau hauv lub xeev embryonic-zoo li pluripotentuas ua rau muaj kev loj hlob ntawm qhov tsis txwv ntawm txhua hom tib neeg lub xov tooj xav tau rau lub hom phiaj kho.
Dab tsi yog induced pluripotent qia hlwb quizlet?
Induced pluripotent stem cells yog cov qia hlwb neeg laus uas tau raug genetic re-programmed mus rau pluripotent embryonic zoo li xeev. Qhov no yog ua tiav los ntawm kev siv cov gene encoding transcription yam tseem ceeb nyob rau hauv thiaj li yuav hloov lub hlwb thiab thawj zaug ua nyob rau hauv nas los ntawm Yamanka nyob rau hauv 2006, thiab tom qab ntawd ces nyob rau hauv tib neeg.
Koj ua li cas ntxiaspluripotency?
Plaub qhov kev hloov pauv qub qub uas tau pom los ua kom muaj pluripotency yog Oct4, Sox2, cMyc, thiab Klf4. Cov yam tseem ceeb no tseem hu ua Yamanaka yam, tom qab tus kws tshawb fawb uas tshawb pom lawv cov teebmeem reprogramming. Muaj ntau txoj hauv kev tuaj yeem siv los txhawb kev nthuav qhia ntawm cov kev hloov pauv no.
Pom zoo:
Puas yog cov dab dab dab dab dab dab dab dab dab dab dab dab?
Myth: Ib tug dab tshos tsis yog neeg ncaj ncees yog tiasnws haum yog. Fact: Tu siab, qhov no yog ib lo lus tsis tseeb uas tau raug perpetuated los ntawm aversive trainers. Txawm hais tias haum rau lub caj dab kom zoo khawb rau hauv cov tawv nqaij rhiab nyob ib ncig ntawm lub caj dab, uas ua rau muaj kev puas tsuaj loj rau cov thyroid, esophagus, thiab trachea.
Puas yog cov kab mob mononuclear qia hlwb?
MNCs yog cov neeg laus qia hlwb uas muaj feem ntawm cov hlwb hauv cov pob txha (BM-MNCs) lossis cov ntshav peripheral (PB-MNCs) uas tsis muaj granules hauv lawv cov cytoplasm thiab muaj ib lub hauv paus nucleus. Puas yog qia hlwb mononuclear?
Yuav ua li cas txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau pom kev pom?
Txawm li cas los xij, corneal collagen cross-linking - cov txheej txheem qib siab tau pom zoo los ntawm US Food and Drug Administration (FDA) hauv xyoo 2016 - tuaj yeem txhim kho qhov pom kev hauv cov neeg mob txhua hnub nyoog. Corneal collagen cross-linking (CXL) tsis yog kho rau keratoconus, tab sis nws tuaj yeem pab tiv thaiv tus mob kom tsis txhob mob hnyav.
Puas yog hematopoietic qia hlwb pluripotent?
Hematopoietic stem cells yog pluripotent thiab tsis yog "hematopoietic" Blood Cells Mol Dis. Puas yog hematopoietic qia hlwb pluripotent lossis multipotent? Hematopoietic stem cells (HSCs) yog immature multipotent neeg laus qia cov hlwb uas ua rau tag nrho cov qe ntshav loj hlob tuaj, ua kom pom kev mus sij hawm ntev, thiab muaj peev xwm ua kom rov ua tau zoo dua.
Puas yog placental qia hlwb pluripotent?
Placental qia hlwb yog tsis totipotent, vim tsuas yog ob hom qia hlwb muaj peev xwm no: embryonic qia hlwb, thiab ib hom reprogrammed ntawm qia cell, hu ua induced pluripotent. qia cell (iPS cell). Puas pluripotent stem cells ua placenta?
