Avian parasympathetic neurotrophic factors: Age-related increases and lack of regional specificity
[摘要] Parasympatheticneuronsfrom8-day-oldchickembryociliarygangliaweregrowninculturefor24hrinthepresenceofextractsofchickheartfromanimalsaged7daysinovoto8daysposthatching.Thebiologicalactivityofthesecardiacextractswithrespecttobothneuronalsurvivalandnervefiberproductionincreasedwithageofthedonoranimaltoreachaplateauaroundhatching.Followingpolyacrylamidegelisoelectricfocusingofposthatchingchickheartandeye,apeakinactivitythatsupportsparasympatheticneuronalsurvivalwasfoundassociatedwitheluatesofgelslicesofpHbetween4.5and5.5forbothtissues.Ourresultssuggestthatthefactorresponsibleforparasympatheticneuronalsurvivaliscommontoatleasttwoparasympathetictargetorgans.
[发布日期] [发布机构]
[效力级别] [学科分类] 生物科学(综合)
[关键词] [时效性]