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Video: Dab tsi yog DNA ntu rau mob ntshav tsis txaus?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
HBB gene codes rau hemoglobin, protein nyob rau hauv cov ntshav liab hlwb ? uas nqa cov pa oxygen ncig lub cev. A kev hloov pauv hauv HBB ua rau muaj kev hloov pauv ntawm ib qho hauv paus? hauv DNA ? ib theem zuj zus los ntawm A mus rau T. Qhov no ces hloov pauv cov amino acid? nyob rau hauv hemoglobin protein los ntawm glutamic acid rau valine.
Kuj nug, hom kev hloov DNA twg ua rau mob qog ntshav ntshav ntshav?
Sickle cell anemia yog qhov tshwm sim ntawm tus taw tes kev hloov pauv , kev hloov pauv hauv ib qho nucleotide hauv cov noob rau hemoglobin. Qhov no kev hloov pauv ua hemoglobin hauv cov ntshav liab hlwb txhawm rau ua txhaum a တံ zoo li thaum deoxygenated. Cov kab mob cov ntshav hlwb txhaws hauv cov hlab ntshav, txiav tawm kev ncig.
Kuj Paub, mob mob cell anemia cuam tshuam li cas rau cov protein? Sickle cell anemia yog caj ces kab mob nrog cov tsos mob hnyav, suav nrog mob thiab ntshav ntshav . Cov kab mob yog tshwm sim los ntawm kev hloov pauv ntawm cov noob uas pab ua kom hemoglobin - a protein ntau uas nqa cov pa oxygen hauv cov ntshav liab hlwb.
Tom qab ntawd, ib tus tuaj yeem nug, DNA lub luag haujlwm li cas rau cov kab mob cell anemia?
Sickle cell kab mob yog tshwm sim los ntawm kev hloov pauv hauv hemoglobin-Beta noob pom ntawm chromosome 11. Hemoglobin thauj oxygen los ntawm lub ntsws mus rau lwm qhov hauv lub cev. Cov qauv no ua rau cov ntshav liab hlwb los ua nruj, piv txwv tias a တံ duab
Yuav ua li cas cov kab mob hu ua sickle cell anemia?
Feem ntau, ob lub noob caj noob ces ua rau cov protein hemoglobin zoo ib yam. Thaum ib tus neeg tau txais ob daim ntawv hloov pauv ntawm cov noob ntshav hemoglobin, qhov txawv txav ntawm cov protein hemoglobin ua rau cov ntshav liab hlwb kom poob oxygen thiab warp rau hauv ib kab mob zoo thaum lub sijhawm ua haujlwm siab. Qhov no yog sickle cell anemia.
Pom zoo:
Ob ntu ntawm qhov muag yog dab tsi thiab muaj dab tsi nyob hauv txhua ntu?
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Tsis pub dhau ntu ua ntej yog ob qhov chaw ua kua dej: chav nyob sab hauv nruab nrab ntawm lub ntsej muag tom qab ntawm lub qhov muag (piv txwv li lub qhov muag lub qhov muag) thiab lub qhov muag. posterior chamber nruab nrab ntawm iris thiab lub ntsej muag pem hauv ntej ntawm vitreous
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Cov ntsev ntsev (ferrous fumarate, ferrous sulfate, thiab ferrous gluconate) yog qhov zoo tshaj plaws nqus cov tshuaj ntxiv thiab feem ntau suav tias yog tus qauv piv nrog lwm cov ntsev ntsev
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Sab nraub qaum ntu tuaj yeem cuam tshuam kev puas tsuaj rau sab laug ventricle tshwm sim los ntawm ntshav siab, lub plawv nres, lub plawv aortic tsis ua haujlwm, kab mob hauv lub plawv, lub plawv tsis ua haujlwm, lossis lwm yam mob plawv. Yog tias cov ceg ntoo thaiv tau ua rau muaj cov tsos mob, tom qab ntawd qhov teeb meem yuav hnyav txaus kom xav tau lub tshuab ua kom nrawm dua
Dab tsi DNA hloov pauv ua rau mob qog ntshav ntshav ntshav?
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Tus kab mob Sickle cell yog tshwm sim los ntawm kev hloov pauv hauv hemoglobin-Beta gene pom ntawm chromosome 11. Hemoglobin thauj oxygen los ntawm lub ntsws mus rau lwm qhov ntawm lub cev. Cov qe ntshav liab uas muaj hemoglobin ib txwm muaj (hemoglobin-A) yog du thiab puag ncig thiab glide los ntawm cov hlab ntsha
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Hauv cov neeg laus uas muaj tus kab mob coronary artery, sab laug bundle ceg thaiv yog txuam nrog kev pheej hmoo ntawm kev tuag ntau dua. Qhov no tshwj xeeb tshaj yog rau cov neeg uas muaj lub plawv tsis ua haujlwm. Sab laug bundles ceg thaiv kuj txuas nrog kev pheej hmoo ntawm kev tuag ntau dua tom qab lub plawv nres