简介：Theworkistoexploretherelationshipbetweenthelevelsofcytokines(IL-1βandIL-6)inC57BL/6JmicetreatedwithMPTPandbrainlateralization.Byusingpawpreferencetest,right-pawed,left-pawedmicemodelswereestablished.Followingsingleinjectionof1-methyl-4-pheny1-2,3,6-tetrahydropyrid(MPTP)(40mg/kg)toimpairdopaminergicneuron,enzymelinkedimmunosorbentassay(ELISA)kitswereusedfordetectionofplasmalevelsofcytokines.TheresultsshowedthatinsalinetreatedC57BL/6Jmice(control),therewasnoobviousdifferenceobservedbetweenleft-pawedandright-pawedmiceinplasmalevelsofIL-1βandIL-6.InMPTPtreatedmice,therewasnodifferencebetweenlevelofIL-1βinleft-pawedmiceandthatinright-pawedonesinstatistics,thatis,theywereincreasedonday1andday3,butdecreasedonday6.TheplasmalevelofIL-6waslowerinleft-pawedthanthatinright-pawedmice(p＜0.005)afterMPTPtreatment.Onday1andday3,thelevelofIL-6wasalmostthesameascontrol;onday6,itwassignificantlyincreased,higherthanthatofcontrol(p＜0.001)inleft-pawedmice.Whileinright-pawedmice,onday1andday3,itwasnodifferentfromcontrol,too.Andonday6,itsignificantlyincreasedincomparedwithcontrol(p＜0.005).Inconclusion,thelevelofplasmaIL-6ofC57BL/6JmicetreatedwithMPTPincreased.ThevariationofIL-6wascorrelatedtobrainlateralization.