Te whakawhanaketanga o te tikanga ELISA autaki mo te kite i te porcine acute diarrhea syndrome coronavirus IgG antibody i runga i te pūmua spike recombinant.

Ko te Porcine Acute Diarrhea Syndrome Coronavirus (SADS-CoV) he porcine enteric pathogenic coronavirus hou e kitea ana ka paheke te wai i roto i nga poaka whanau hou me te mate ohaoha nui ki te umanga poaka.I tenei wa, karekau he tikanga serological e tika ana hei arotake i te whaihua o te mate SADS-CoV me te kano kano, na reira me tere te whakamahi i te whakamaarama immunosorbent e hono ana i te enzyme (ELISA) hei whakatika i tenei ngoikoretanga.I konei, he plasmid recombinant e whakaatu ana i te pūmua SADS-CoV spike (S) i honoa ki te rohe IgG Fc tangata i hangaia hei whakaputa i te baculovirus recombinant me te whakaatu i roto i nga pūtau HEK 293F.Ka purea te pūmua S-Fc ki te kapia G pūmua me te pupuri i te tauhohenga me nga paturopi anti-tangata Fc me te anti-SADS-CoV.Na ka whakamahia te pūmua S-Fc ki te whakawhanake i te ELISA autaki (S-iELISA) me te arotau i nga tikanga tauhohenga o S-iELISA.Ko te mutunga mai, ma te tātari i te uara OD450nm o te 40 SADS-CoV sera kino i whakapumauhia e te immunofluorescence assay (IFA) me te blotting ki te Hauauru, i whakatauhia te uara tapahi ki te 0.3711.Ko te whakarea o te rereketanga (CV) o te 6 SADS-CoV pai te sera i roto, i waenga i nga rerenga o S-iELISA he iti iho i te 10%.I whakaatuhia e te whakamatautau tauhohenga whiti ko S-iELISA karekau he tauhohenga whakawhiti me etahi atu sera huaketo porcine.I tua atu, i runga i te kitenga o nga tauira serum haumanu 111, ko te 97.3%.Ko te whakamatautau whakaheke huaketo me nga uara OD450nm rereke e 7 o te serum i whakaatu ko te uara OD450nm i kitea e S-iELISA he pai te hono ki te whakamatautau whakaheke huaketo.I te mutunga, i mahia a S-iELISA i runga i nga tauira serum paamu poaka 300.Ko nga kete hokohoko o etahi atu enteroviruses porcine i whakaatu ko nga reiti pai IgG o SADS-CoV, TGEV, PDCoV me PEDV he 81.7%, 54%, me te 65.3%, ia., 6%, ia.Ko nga hua e whakaatu ana ko te S-iELISA he mea motuhake, he tairongo, he whakahou ano, ka taea te whakamahi ki te kite i te mate SADS-CoV i roto i te ahumahi poaka.Ka tiakina tenei tuhinga e te mana pupuri.mana katoa.


Wā tuku: Hune-22-2021