2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Human Dermal Fibroblasts (HDF) yog lub luag haujlwm rau kev tsim cov cellular matrix tsim cov ntaub so ntswg ntawm daim tawv nqaij, thiab ua lub luag haujlwm tseem ceeb thaum kho qhov txhab. HDF los ntawm Cell Applications, Inc. … Lwm tus cia siab rau lub hlwb kom ua tus cwj pwm mitochondrial metabolism, angiogenesis thiab cov ntaub so ntswg kho.
Dab tsi yog tib neeg dermal fibroblasts?
Ntau Tib Neeg Dermal Fibroblasts (NHDF) yog cells cais tawm ntawm tib neeg daim tawv nqaij rau siv ntau yam kev tshawb fawb. Los ntawm daim tawv nqaij laus mus rau qhov txhab kho thiab txawm tias kev tshawb fawb qog noj ntshav, NHDF nthuav qhia ntau lub sijhawm rau kev sim hauv vitro, ob qho tib si raws li kab lis kev cai monolayer thiab hauv 3D daim tawv nqaij qauv.
tib neeg dermal fibroblasts tuaj qhov twg?
Tib neeg daim tawv nqaij fibroblasts yog mesenchymal / stromal hlwb muab tau los ntawm the embryonic mesoderm. Lawv nyob rau hauv lub dermal txheej ntawm daim tawv nqaij, qhov chaw uas lawv tsim extracellular matrix proteins kom ntxiv dag zog rau lub dermal compartment thiab cuam tshuam nrog epidermal hlwb.
Koj kab lis kev cai tib neeg fibroblasts li cas?
- Tshem tawm Fibroblasts los ntawm qhov chaw tsim khoom, tso kab lis kev cai hauv lub txee biosafety thiab aspirate media.
- Ntxiv 2 mL ntawm PBS siv 5ml serological pipette, swirl kab lis kev cai nkoj, aspirate thiab pov tseg PBS.
- Ntxiv 2 mL ntawm 0.25% Trypsin thiab incubate rau 00:05:00 ntawm 37 ° C thiab 5% CO2. Cov hlwb ua kom ruaj khov tuaj yeem raug tshem tawm sai ntawm 37 ° C.
Dab tsi yog txoj haujlwm ntawm fibroblasts hauvdaim tawv nqaij?
Fibroblasts. Fibroblasts synthesize collagen thiab extracellular matrix Cheebtsam thiab ua haujlwm hauv tsev thiab kho cov txheej txheem ntawm daim tawv nqaij. Lawv tau muab los ntawm mesoderm thiab pom thoob plaws hauv lub dermis.
Pom zoo:
Puas muaj qee qhov ntawm cov pob txha ntawm tib neeg thaum ntxov?
Rau cov pob txha qub tshaj plaws ntawm H. sapiens, peb yuav tsum mus rau Morocco, mus rau qhov chaw hu ua Jebel Irhoud. Cov kws tshawb fawb tshawb fawb tsis ntev los no sau hnub H. sapiens pob txha pom muaj nyob rau thaj tsam 315,000 xyoo dhau los.
Puas yog cov neeg nyob hauv keeb kwm yav dhau los suav tias yog poj koob yawm txwv ntawm tib neeg?
Inhabitants of prehistoric tsis suav tias yog txiv neej yawg. … Tib neeg tam sim no nyob thoob plaws ntiaj teb thiab yuav tsum tau kawm siv cov tawv tsiaj rau khaub ncaws, tsim cov cuab yeej rau ntses thiab hneev nti thiab xub mus yos hav zoov, thiab ua canoes rau kev mus ncig.
Puas yog cov tib neeg ntawm ib hom niaj hnub no txawv dua li cov tib neeg ntawm tib hom?
Puas yog cov tib neeg ntawm ib hom niaj hnub no zoo li txawv dua li cov tib neeg ntawm tib hom tau ntau tiam dhau los? … Yog, txhua tus neeg tuaj yeem hloov pauv me ntsis thiab dhau qhov kev hloov pauv rau lawv cov xeeb ntxwv. Puas muaj qhov sib txawv ntawm cov tib neeg ntawm tib hom?
Puas yog tib neeg los ntawm cov neeg txawj ntse?
Nws qhia tau tias Homo sapiens tsuas yog ib qho ntawm ntau ntau hom tsiaj uas sib koom ua poj koob yawm txwv, tej zaum yogme me, zoo li tus tsiajtsiaj txhu uas nyob thaum muaj hnub nyoog ntawm cov dinosaurs ib txhia 85 lab xyoo dhau los. Puas yog cov neeg txawj ntse thiab tib neeg cuam tshuam?
Thaum ib yam khoom uas tsis yog tib neeg muab rau tib neeg tus yam ntxwv?
Personification yog qhov tshwm sim ntawm tib neeg cov yam ntxwv, yam ntxwv, lossis kev coj tus cwj pwm rau cov tsis yog tib neeg, yog tsiaj txhu, yam tsis muaj sia, lossis txawm tias cov ntsiab lus tsis muaj tseeb. Qhov twg hauv qab no muab tib neeg yam ntxwv rau yam tsis yog tib neeg?
