txheem
O +: cov yam ntxwv ntawm pab pawg ntshav
36% ntawm cov neeg Fabkis yog cov pab pawg O + cov ntshav. Cov tib neeg no tsuas tuaj yeem tau txais ntshav los ntawm pab pawg O thiab tsuas yog pub ntshav rau cov neeg mob rh zoo (RHD +) xwb. Qee qhov kev tshawb fawb qhia tias pawg O cov neeg nqa khoom muaj kev tiv thaiv zoo dua tiv thaiv kev kis kab mob covid-19.
Pab pawg O +: cov yam ntxwv ntawm pawg ntshav no
Ib pawg neeg coob tshaj plaws nyob rau Fabkis
Hauv Fab Kis, cov ntshav O + yog pawg ntshav thib ob (tom qab pawg A + cov ntshav) vim nws yog pawg ntshav ze li ntawm 36% ntawm cov neeg Fab Kis (tawm tsam 37% rau pawg A +). Raws li kev ceeb toom, pawg ntshav tsawg tshaj plaws yog pawg B thiab AB uas feem cuam tshuam tsuas yog 1% ntawm Fabkis cov pej xeem.
Txais tsuas yog los ntawm pab pawg O
Ib pawg O cov ntsiab lus tsis muaj A antigen lossis B antigen. Yog li ntawd nws tsuas tuaj yeem tau txais cov ntshav los ntawm pab pawg O vim nws cov ntshav muaj cov tshuaj tiv thaiv-A thiab tshuaj tiv thaiv B. Nyob rau hauv lub xub ntiag ntawm cov qe ntshav liab ntawm cov ntshav pawg A, B thiab AB, cov tshuaj tiv thaiv ua rau lawv zoo li lawv tau tawm tsam tus kab mob. Peb tab tom tham txog hemolysis.
Pub rau Rhesus + pab pawg
Ib qho kev kawm hauv O + pab pawg muaj rh zoo (RHD +). Yog li ntawd nws tsuas pub ntshav rau cov neeg uas muaj tib yam rh (RHD): tsuas yog cov tib neeg A +, B +, AB + thiab O + tuaj yeem tau txais nws cov ntshav. Cov qe ntshav liab. Hauv Fabkis, rh zoo (RHD +) ntau zaus dua rh tsis zoo (RHD-). Tseeb tiag, ze li ntawm 85% ntawm cov neeg Fabkis muaj qhov zoo rh.
Raws li kev ceeb toom, Rhesus system (RHD) yog txiav txim siab raws li qhov muaj lossis tsis muaj D antigen ntawm cov qe ntshav liab. Yog peb nrhiav tau khoom D uas yog ib qho antigen nyob rau saum npoo ntawm cov ntshav, rhesus yog qhov zoo (RHD +). Thaum tsis muaj tshuaj D nyob rau saum npoo ntawm cov qe ntshav liab, rhesus tsis zoo (RHD-).
Dab tsi yog pawg ntshav?
Cov ntshav ntawm ib tug neeg sib raug rau cov antigens tam sim no los yog tsis nyob rau saum npoo ntawm nws cov qe ntshav liab. Ib pawg ntshav muaj cov khoom siv uas tso cai rau kev faib cov tib neeg txhawm rau txhawm rau txheeb xyuas qhov kev pom zoo sib xws thaum lub sijhawm ntxiv ntshav.
Cov ntshav pab pawg kis tau los ntawm noob neej, raws li txoj cai ntawm noob caj noob ces. Cov kab mob uas paub zoo tshaj plaws yog cov kab mob rhesus nrog rau ABO system (uas suav nrog pawg A, B, AB thiab O), txheeb xyuas xyoo 1901 raws li Karl Landsteiner (1868-1943), kws kho mob thiab kws kho tsiaj.
Cov ntshav O, tsawg kawg cuam tshuam los ntawm covid-19?
Txij li thaum pib ntawm Covid-19 kis thoob qhov txhia chaw, pawg kws tshawb fawb tau txaus siab rau kev sib txuas ntawm pawg ntshav ntawm tib neeg thiab kev pheej hmoo ntawm kev tsim covid-19. Raws li INSERM, nyob rau hauv ib xyoos, nyob ib ncig ntawm plaub caug cov kev tshawb fawb tau luam tawm ntawm qhov kev kawm. Qee qhov haujlwm no tau qhia tshwj xeeb rau kev txo qis rau cov neeg muaj ntshav hom O.
Cov txiaj ntsig no twb tau lees paub los ntawm ntau qhov kev tshuaj ntsuam meta.
Lwm cov kev tshawb fawb txog genome-wide tau ua nyob rau hauv cov neeg mob hauv tsev kho mob rau Covid-19 piv rau cov tib neeg noj qab haus huv kuj tau taw qhia tib yam. Qhov kev ua haujlwm no qhia tau hais tias ob thaj chaw ntawm cov genome tseem ceeb cuam tshuam nrog kev pheej hmoo ntawm kev kis kab mob, suav nrog thaj tsam ntawm chromosome 9 nqa ABO noob uas txiav txim siab txog pawg ntshav.
Thov nco ntsoov, qhov tseeb ntawm kev koom nrog pab pawg O cov ntshav tsis nyob rau hauv ib txoj kev zam los ntawm kev cuam tshuam kev taw qhia, kev ntsuas ib txwm nyob ntawm kev sib raug zoo thiab kev txhaj tshuaj. Cov neeg pab pawg O tuaj yeem kis tus kab mob thiab kis tus kab mob.