![Dab tsi ua rau apoptosis? Dab tsi ua rau apoptosis?](https://i.answers-medical.com/preview/medical-health/13891614-what-stimulates-apoptosis-j.webp)
Video: Dab tsi ua rau apoptosis?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Apoptosis tshwm sim los ntawm CDV feem ntau yog ua los ntawm txoj hauv kev txuas ntxiv, uas ua rau cov ntaub ntawv uas cuam tshuam kev ua haujlwm ntawm tes thiab thaum kawg ua rau cov hlwb tuag. Hauv cov hlwb ib txwm muaj, CDV qhib cov caspase-8 ua ntej, uas ua haujlwm ua tus pib ua cov protein ua raws los ntawm tus executioner protein caspase-3.
Raws li, dab tsi ua rau apoptosis?
Apoptosis yog kho nruab nrab los ntawm proteolytic enzymes hu ua caspases, uas txhais cell tuag los ntawm kev tshem tawm cov protein tshwj xeeb hauv cytoplasm thiab nucleus. Caspases muaj nyob hauv txhua lub cell raws li qhov tsis muaj peev xwm ua ntej, lossis procaspases, uas feem ntau tau qhib los ntawm kev sib cais los ntawm lwm cov caspases, ua rau muaj cov proteolytic caspase cascade.
Tseem Paub, yuav tiv thaiv Apoptosis li cas? Ib qho ntawm cov yam ntxwv tshwj xeeb ntawm cov qog nqaij hlav cancer yog tias lawv ua haujlwm tiv thaiv programmed cell tuag ( apoptosis ), uas lub cev tiv thaiv nws tus kheej tiv thaiv kev nthuav dav ntawm cov cell puas. Txhawm rau ua qhov no, lawv nthuav tawm qhov hu ua apoptosis inhibitors (IAPs) ntawm lwm cov protein.
Ib yam li ntawd, nws tau nug, dab tsi theem apoptosis tshwm sim?
Lub voj voog ntawm tes tau muab faib ua plaub theem, thiab kev txiav txim siab ntawm tes los pib mitosis lossis dhau los ua qhov tsis txaus ntseeg (G0 xeev) tshwm sim thaum lub sijhawm G1. Oncogenes muaj lub luag haujlwm ob: lawv tuaj yeem ua rau ob leeg kev loj hlob thiab apoptosis (Daim duab 1).
Dab tsi tshwm sim thaum apoptosis?
Thaum lub sij hawm apoptosis , lub xovtooj ntawm tes me me thiab rub tawm ntawm nws cov neeg nyob ze. Tom qab ntawd cov nplaim ntawm lub xov tooj zoo li rhaub, nrog cov tawg tawg tawg thiab khiav tawm zoo li npuas los ntawm lub lauj kaub dej kub. DNA nyob hauv lub cell cov nucleus ua ke thiab tawg rau hauv qhov sib npaug sib luag.
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Proteolytic caspase cascade: tua cell. Ntau txoj hauv kev thiab cov cim qhia ua rau apoptosis, tab sis cov no sib tshuam ntawm cov txheej txheem ib leeg uas ua rau tuag ntawm tes. Tom qab lub cell tau txais kev txhawb nqa, nws tau dhau los teeb tsa kev puas tsuaj ntawm cov cell organelles los ntawm cov tshuaj tiv thaiv proteolytic caspases
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