2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Ntxiv rau, txawm hais tias ib txwm mob myeloid hlwb thaum ntxov tsis qhia qhov chaw CD45RA, Mr isoform siab, malignant mob myeloid leukemia (AML) cov hlwb nquag qhia cov isoform no, nrog lossis nrog. - tawm CD45RO, qhov qis Mr isoform.
Puas yog CD45 ntawm myeloid cells?
Tsev neeg CD45 muaj protein ntau tyrosine phosphatase (PTPase) kev ua haujlwm thiab tau qhia nyob rau hauv ib lossis ntau dua ntawm nws cov isoforms ntawm tag nrho cov lymphohematopoietic hlwb. … Granulocytic, los yog myeloid, cell sib txawv yog nrog los ntawm ib tug xov tooj ntawm morphologic thiab immunophenotypic hloov.
Cov hlwb twg yog CD45 qhia rau?
CD45 antigen (leukocyte common antigen), ib qho tshwj xeeb thiab ubiquitous membrane glycoprotein nrog molecular mass txog 200 kDa, yog qhia rau yuav luag tag nrho cov hematopoietic hlwb tshwj tsis yog rau cov laus erythrocytes.
Lub cev tiv thaiv kab mob dab tsi nthuav qhia CD45?
CD45 noncovalently koom nrog hauv cheeb tsam transmembrane nrog LPAP (los yog lymphocyte phosphatase-associated phosphoprotein, tseem hu ua PTPRCAP, CD45-AP thiab LSM-1), 32-kD transmembrane protein qhia hauv T, B, NK cells , as well as hematopoietic progenitors91.
Puas yog cov kab mob tiv thaiv kab mob CD45+?
CD45 yog ib qho loj transmembrane glycoprotein qhia rau txhua lub hlwb nucleated hematopoietic. Yim isoforms ntawm CD45 yog faib los ntawm lub cev tiv thaiv kab mobraws li hom cell thiab qib ntawm kev sib txawv ntawm tes. … Hauv T cells, covsrc tsev neeg kinases, lck thiab fyn, yog cov neeg sib tw rau qhov kev tswj hwm kinase.
Pom zoo:
Puas yog nthuav tawm lossis nthuav tawm?
Yog koj hais tias ib tug neeg tab tom nthuav tawm, koj tab tom thuam lawv rau kev sim ua kom neeg nyiam los ntawm kev qhia pom tseeb tias lawv ua tau lossis yam lawv muaj. Yog tias koj nthuav tawm ib yam dab tsi uas koj muaj, koj qhia rau ntau tus neeg lossis ua kom pom tseeb tias koj muaj nws, vim koj txaus siab rau nws.
Kev qhuab qhia puas yog kev nthuav qhia?
Qhov sib txawv tseem ceeb ntawm kev nthuav qhia thiab kev qhuab qhia yog kev qhuab qhia feem ntau yog muab los ntawm txoj cai thiab feem ntau raug cai hauv xwm. Nws feem ntau yog kev sib txuas lus ib leeg. Txawm li cas los xij, kev nthuav qhia tuaj yeem muaj cov ntsiab lus ntawm kev ua qauv qhia.
Puas yog mesenchymal hlwb osteogenic hlwb?
Mesenchymal qia hlwb cog lus rau osteogenic kab thiab sib txawv rau hauv cov laus osteoblasts thiab osteocytes osteocytes Osteocytes yog cov hlwb nyob hauv cov pob txha nws tus kheej thiab yog 'entrapped' osteoblasts . Lawv yog cov post-proliferative, sawv cev rau cov neeg paub tab sib txawv tshaj plaws ntawm cov kab mob osteoblast.
Puas yog cov hlwb eukaryotic thawj lub hlwb?
Thawj lub eukaryotic hlwb - cov hlwb nrog lub nucleus ib sab hauv daim nyias nyias - khi organelles - tej zaum hloov zuj zus kwv yees li 2 billion xyoo dhau los . Qhov no tau piav qhia los ntawm txoj kev xav endosymbiotic endosymbiotic txoj kev xav Txoj kev xav tau hais tias mitochondria, plastids xws li chloroplasts, thiab tej zaum lwm cov organelles ntawm eukaryotic hlwb yog nqis los ntawm yav tas los dawb-nyob prokaryotes (ntau ze ze rau cov kab mob ntau dua li archaea) coj
Qhov twg yog nthuav lossis nthuav tawm?
Expound txhais tau tias "piav qhia meej." Expand txhais tau tias "piav qhia ntau dua." Yog li thaum expound tsis qhia meej meej, nthuav dav yog sib piv. Txhua yam koj tuaj yeem qhia tau tseeb thaum tus neeg A hais tias tus neeg B tau "
