Qhov Tseem Ceeb Qhov txawv - Progenitor Cells vs Stem Cells
Nyob rau hauv cov ntsiab lus ntawm biology niaj hnub no, stem cells thiab progenitor cells ua lub luag haujlwm tseem ceeb hauv kev tshawb fawb thiab kev sim sib txawv. Stem cells raug suav hais tias yog cov hlwb tsis muaj qhov sib txawv uas tuaj yeem loj hlob mus ib txhis rau ntau hom tshwj xeeb hlwb. Lawv yog ob hom; embryonic qia hlwb thiab cov neeg laus qia hlwb. Progenitor cells muaj qhov tshwj xeeb tshaj li cov qia hlwb txawm tias ob hom cell zoo sib xws. Progenitor hlwb raug suav hais tias yog cov neeg laus theem ntawm cov qia hlwb, tab sis lawv nyob hauv ib theem ntawm kev sib txawv ntxiv. Qhov sib txawv tseem ceeb ntawm Progenitor cells thiab Stem cells yog cov qia hlwb tuaj yeem faib tsis tau tas li thaum cov hlwb progenitor tuaj yeem faib tsuas yog qee lub sijhawm xwb.
Cov Progenitor Cells yog dab tsi?
Nyob rau hauv cov ntsiab lus ntawm cov hlwb, cov hlwb progenitor zoo sib xws tab sis tshwj xeeb tshaj li cov qia hlwb, tuaj yeem sib txawv rau hauv ib lub hom phiaj ntawm tes thaum xav tau. Progenitor cells tuaj yeem faib thiab sib txawv rau hauv qee hom hlwb tsuas yog qee lub sijhawm. Lub peev xwm ntawm cov hlwb progenitor faib thiab sib txawv rau ob peb hom hlwb hu ua oligopotency. Feem ntau ntawm cov progenitor hlwb tshwm sim nyob rau hauv ib tug dormant theem uas koom nrog nyob rau hauv tsawg dua kev ua ub no ntawm lawv cov ntaub so ntswg. Vascular qia hlwb raug suav hais tias yog hom kab mob progenitor uas tuaj yeem faib thiab sib txawv rau ob hom hlwb; endothelial thiab du nqaij. Progenitor cells raug suav hais tias yog cov neeg laus theem ntawm cov qia hlwb, tab sis lawv nyob rau theem ntawm kev sib txawv ntxiv.
Daim duab 01: Progenitor Cells
Progenitor cells thiab cov neeg laus qia hlwb sib koom ua ke. Yooj yim hais, cov hlwb progenitor yog nyob rau theem ntawm cov qia hlwb thiab cov hlwb sib txawv. Kev tshawb fawb tau ua tiav ntawm cov hlwb progenitor pom tias cov hlwb no tuaj yeem txav raws lub cev mus rau qhov chaw tshwj xeeb ntawm cov ntaub so ntswg tsim nyog. Progenitor cells ua raws li cov hlwb los kho cov txheej txheem ntawm cov kab ke hauv cov neeg laus lub cev. Lawv koom nrog hauv kev tsim kho cov hlwb tshwj xeeb hauv lub cev thiab tseem ua haujlwm hauv kev saib xyuas cov hnyuv, cov ntshav thiab cov tawv nqaij. Hauv kev tsim cov embryonic pancreatic cov ntaub so ntswg, progenitor hlwb feem ntau pom. Kev loj hlob thiab cytokines yog ob yam tseem ceeb uas ua kom cov hlwb progenitor txav mus rau hauv cov ntaub so ntswg sib txawv hauv cov ntaub so ntswg raug mob lossis vim muaj cov cell tuag lossis puas lawm.
Stem Cells yog dab tsi?
qia hlwb raug suav tias yog cov hlwb tsis muaj qhov sib txawv uas muaj peev xwm ua kom sib txawv ntxiv thiab txhim kho mus rau hauv cov hlwb tshwj xeeb. Cov hlwb no faib mitotically los tsim cov qia hlwb ntau dua. Stem cells muaj nyob rau hauv ntau lub cellular kab mob. Lawv tuaj yeem yog ob hom; embryonic qia hlwb thiab cov neeg laus qia hlwb. Cov embryonic qia hlwb muaj nyob rau hauv lub puab cell loj ntawm lub blastocysts ntawm lub tsim embryo thiab cov laus qia hlwb muaj nyob rau hauv ntau hom hlwb. Cov qia hlwb tam sim no nyob rau hauv lub embryo tsim tau coj mus rau txoj kev loj hlob ntawm peb txheej kab mob; ectoderm, endoderm, thiab mesoderm.
Daim duab 02: Stem Cells
Cov qia hlwb tuaj yeem muab rho tawm los ntawm ntau qhov chaw ntawm tib neeg lub cev nrog rau cov pob txha pob txha, cov ntaub so ntswg adipose, ntshav thiab los ntawm txoj hlab ntaws tom qab yug me nyuam. Autologous sau qoob ntawm qia cell yog txheej txheem nrog tsawg kawg ntawm cov kev pheej hmoo. Cov neeg laus qia hlwb tau siv rau hauv cov txheej txheem kho mob sib txawv nrog rau kev kho mob. Nrog rau txoj kev loj hlob ntawm thev naus laus zis, cov qia hlwb tam sim no tau cog qoob loo hauv cov chaw kuaj mob uas tau hloov mus rau ntau hom hlwb uas suav nrog cov leeg nqaij thiab paj hlwb. Thaum lub sij hawm kuaj cov txheej txheem, ob peb lub tswv yim tau pib los tswj cov neeg qia cell. Qhov no suav nrog obligatory asymmetric replication; qhov twg cov qia cell faib los tsim ob lub hlwb, niam qia cell uas zoo tib yam rau cov qia cell thiab tus ntxhais cell uas txawv los ntawm Stochastic sib txawv qhov twg ob tug ntxhais cov hlwb sib txawv yog tsim los ntawm ib qia cell.
Dab tsi yog qhov zoo sib xws ntawm Progenitor Cells thiab Stem Cells?
Ob lub hlwb koom nrog kho cov txheej txheem ntawm lub cev
Qhov txawv ntawm Progenitor Cells thiab Stem Cells yog dab tsi?
Progenitor Cells vs Stem Cells |
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| Progenitor cells yog cov hlwb uas muaj peev xwm faib tau thiab sib txawv rau hauv cov hlwb tshwj xeeb, zoo ib yam li ntau hom qia hlwb. | Cov qia hlwb yog cov hlwb tsis muaj qhov sib txawv uas muaj peev xwm ua kom muaj kev sib txawv ntxiv thiab txhim kho mus rau hauv cov hlwb tshwj xeeb thiab loj hlob tsis tu ncua. |
| Type | |
| Cov hlwb muaj xws li cov leeg nqaij progenitor hlwb, nruab nrab progenitor cells, stromal cells, periosteum progenitor cells, pancreas progenitor cells | qia hlwb suav nrog plaub yam tseem ceeb xws li cov neeg laus qia hlwb, fetal stem cells, embryonic stem cells thiab induced stem cells |
Summary – Progenitor Cells vs Stem Cells
qia hlwb thiab cov hlwb progenitor yog ob yam tseem ceeb ntawm cov hlwb hauv cov ntsiab lus ntawm biology niaj hnub thiab cov txheej txheem sim. Stem cells raug suav hais tias yog cov hlwb tsis muaj qhov sib txawv uas muaj peev xwm ua kom sib txawv ntxiv thiab txhim kho mus rau hauv cov hlwb tshwj xeeb. Progenitor cells zoo sib xws tab sis tshwj xeeb tshaj li cov qia hlwb, uas tuaj yeem sib txawv rau hauv ib lub hom phiaj tshwj xeeb thaum xav tau. Qhov no yog qhov txawv ntawm progenitor cells thiab qia hlwb. Ob hom cell koom nrog hauv kev ua haujlwm sib txawv ntawm lub cev uas suav nrog kev kho cov txheej txheem thiab kev saib xyuas cov ntaub so ntswg sib txawv.
Download the PDF Version of Progenitor Cells vs Stem Cells
Koj tuaj yeem rub tawm PDF version ntawm kab lus no thiab siv nws rau offline hom phiaj raws li daim ntawv ceeb toom. Thov download PDF version ntawm no Qhov txawv ntawm Progenitor cells thiab Stem cells
