![Vim li cas cov hlwb hauv MM Tumors raug rhuav tshem los ntawm kev tiv thaiv kab mob? Vim li cas cov hlwb hauv MM Tumors raug rhuav tshem los ntawm kev tiv thaiv kab mob?](https://i.answers-medical.com/preview/medical-health/14014636-why-can-cells-in-mm-tumours-be-destroyed-by-the-immune-system-j.webp)
Video: Vim li cas cov hlwb hauv MM Tumors raug rhuav tshem los ntawm kev tiv thaiv kab mob?
![Video: Vim li cas cov hlwb hauv MM Tumors raug rhuav tshem los ntawm kev tiv thaiv kab mob? Video: Vim li cas cov hlwb hauv MM Tumors raug rhuav tshem los ntawm kev tiv thaiv kab mob?](https://i.ytimg.com/vi/G3iBPPMoUIc/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
MM yog tshwm sim los ntawm faulty receptor protein nyob rau hauv ntawm tes - nto membranes. Cov cell hauv MM qog tuaj yeem ua rhuav tshem los ntawm kev tiv thaiv kab mob.
Tom qab ntawd, ib tus tuaj yeem nug, qhov qog tiv thaiv kab mob yog dab tsi?
1. Kev khiav tawm Tiv thaiv kab mob Kev lees paub los ntawm Poob Antigen Expression. Tiv thaiv kab mob teb rau qog cov cell faib cov kev xaiv uas ua rau muaj sia nyob thiab nthuav dav ntawm kev hloov pauv qog cov cell nrog txo cov tshuaj tiv thaiv kab mob, txheej txheem uas tau raug hu ua qog kev tiv thaiv kab mob.
Tom qab ntawd, lo lus nug yog, hom kev tiv thaiv kab mob dab tsi tau hu los ntawm Tumours? Hloov kho tiv thaiv kab mob rau qog tau kho kom haum xeeb los ntawm CD3+T-cell receptor (TCR+) T hlwb thaum lawv paub qog -derived peptides khi rau tus kheej-MHC molecules qhia ntawm APCs.
Tom qab ntawd, lub cev tiv thaiv kab mob ua dab tsi rau mob qog noj ntshav?
Mob qog noj ntshav tsis muaj zog lub tiv thaiv kab mob los ntawm kev kis mus rau cov pob txha pob txha. Cov pob txha pob txha ua rau cov qe ntshav uas pab tiv thaiv kab mob. Qhov no tshwm sim feem ntau hauv leukemia lossis lymphoma, tab sis nws tau tshwm sim nrog lwm yam mob qog noj ntshav ib yam nkaus. Cov mob qog noj ntshav txwv tsis pub cov pob txha pob txha los ntawm kev ua ntau cov qe ntshav.
T cells paub txog mob qog noj ntshav li cas?
T hlwb , uas yog tiv thaiv kab mob hlwb tseem ceeb heev rau kev tsis lees paub cov qog, siv lawv cov TCRs rau paub luv antigenic peptides khi rau MHC -I thiab -II cov lwg me me nyob saum npoo ntawm tus tswv APCs. Qhib qhib T hlwb tuaj yeem mus txuas ntxiv txhawm rau rhuav tshem antigen-positive host hlwb , piv txwv li, hlwb kis kab mob los yog mob qog noj ntshav.
Pom zoo:
Dab tsi yog txhais los ntawm kev tiv thaiv kab mob tiv thaiv kab mob?
![Dab tsi yog txhais los ntawm kev tiv thaiv kab mob tiv thaiv kab mob? Dab tsi yog txhais los ntawm kev tiv thaiv kab mob tiv thaiv kab mob?](https://i.answers-medical.com/preview/medical-health/13814296-what-is-meant-by-antimicrobial-susceptibility-j.webp)
Kev tshuaj tiv thaiv kab mob tiv thaiv kab mob tau siv los txiav txim siab tias cov tshuaj tua kab mob tshwj xeeb tshwj xeeb cov kab mob tshwj xeeb lossis kab mob hu ua fungus. Feem ntau, qhov kev sim no ua tiav Gram Stain thiab kab lis kev cai, cov txiaj ntsig uas tau txais sai dua
Vim li cas kev raug mob rau lub paj hlwb tau txaus ntshai dua li kev raug mob rau lub hauv pliaj hauv ntej?
![Vim li cas kev raug mob rau lub paj hlwb tau txaus ntshai dua li kev raug mob rau lub hauv pliaj hauv ntej? Vim li cas kev raug mob rau lub paj hlwb tau txaus ntshai dua li kev raug mob rau lub hauv pliaj hauv ntej?](https://i.answers-medical.com/preview/medical-health/13848161-why-is-trauma-to-the-brain-stem-more-dangerous-than-trauma-to-the-frontal-lobes-j.webp)
Lub hauv paus ntawm lub paj hlwb yog MOREDANGEROUSTHEN TRAUMA mus rau pem hauv ntej LOBES vim tias ITCONTAINS THECENTERS ntau VITAL rau lub neej SUCH AS, RESPIRATORY, CARDIAC, thiab VASOMOTOR CENTERS
Hom kev tiv thaiv twg siv T cells los rhuav tshem cov kab mob hauv lub cell?
![Hom kev tiv thaiv twg siv T cells los rhuav tshem cov kab mob hauv lub cell? Hom kev tiv thaiv twg siv T cells los rhuav tshem cov kab mob hauv lub cell?](https://i.answers-medical.com/preview/medical-health/13865576-which-type-of-immunity-uses-t-cells-to-destroy-pathogens-within-a-cell-j.webp)
Hauv cov xwm txheej no, lub cev tiv thaiv kab mob siv kev tiv thaiv kab mob ntawm tes los rhuav tshem cov kab mob hauv lub cev. T cells yog lub luag haujlwm rau kev tiv thaiv kab mob hauv nruab nrab ntawm tes. Killer T cells (cytotoxic T cells) pab tshem tawm cov kab mob hauv lub cev los ntawm kev tso cov co toxins rau hauv lawv thiab txhawb apoptosis
Lub sijhawm tshem tawm cov khoom siv txawv teb chaws thiab tuag los yog cov ntaub so ntswg kis los ntawm tus kab mob los yog raug mob kom txog thaum cov nqaij mos noj qab nyob zoo raug nthuav tawm?
![Lub sijhawm tshem tawm cov khoom siv txawv teb chaws thiab tuag los yog cov ntaub so ntswg kis los ntawm tus kab mob los yog raug mob kom txog thaum cov nqaij mos noj qab nyob zoo raug nthuav tawm? Lub sijhawm tshem tawm cov khoom siv txawv teb chaws thiab tuag los yog cov ntaub so ntswg kis los ntawm tus kab mob los yog raug mob kom txog thaum cov nqaij mos noj qab nyob zoo raug nthuav tawm?](https://i.answers-medical.com/preview/lifestyle/14004862-what-is-the-term-for-the-removal-of-foreign-material-and-dead-or-contaminated-tissue-from-an-infected-or-traumatic-lesion-until-surrounding-healthy-tissue-is-exposed.webp)
Kev debridement. tshem tawm cov khoom txawv teb chaws thiab cov ntaub so ntswg tuag los yog kab mob los ntawm thiab kis kab mob los yog raug mob mus txog rau thaum ib puag ncig cov ntaub so ntswg raug nthuav tawm. dermabrasion. ib lo lus uas txhais tau hais tias lub cev sanding ntawm daim tawv nqaij kom tshem tawm tattoos thiab nti kuj hu ua puas. daim tawv nqaij
Cov kab mob sib koom ua ke twg yog tus cwj pwm los ntawm kev sib koom ua ke ntawm kev txav mus los thiab kev sib koom ua ke ntawm qhov hnyav ntawm cov pob qij txha uas feem ntau yog relieved los ntawm so?
![Cov kab mob sib koom ua ke twg yog tus cwj pwm los ntawm kev sib koom ua ke ntawm kev txav mus los thiab kev sib koom ua ke ntawm qhov hnyav ntawm cov pob qij txha uas feem ntau yog relieved los ntawm so? Cov kab mob sib koom ua ke twg yog tus cwj pwm los ntawm kev sib koom ua ke ntawm kev txav mus los thiab kev sib koom ua ke ntawm qhov hnyav ntawm cov pob qij txha uas feem ntau yog relieved los ntawm so?](https://i.answers-medical.com/preview/medical-health/14027937-which-joint-disease-is-characterized-by-joint-stiffness-on-movement-and-joint-pain-of-weight-bearing-joints-that-usually-is-relieved-by-rest-j.webp)
Osteoarthritis feem ntau cuam tshuam rau txhais tes, qis nraub qaum, caj dab, thiab hnyav sib koom tes xws li hauv caug, lub duav, thiab ko taw