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Nonneuronal cells from chick sympathetic and dorsal root sensory ganglia express catecholamine uptake and receptors for nerve growth factor during development

机译:鸡交感神经和背根感觉神经节的非神经元细胞在发育过程中表达儿茶酚胺摄取和神经生长因子受体

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Inprimaryculturesofdissociatedchicksympatheticanddorsalrootgangliaadesmethylimipramine-sensitivenorepinephrine(NE)uptakeandreceptorsfornervegrowthfactor(NGF)weredemonstratedoncellswithnonneuronalmorphologybyautoradiographictechniques.Thesecellswereidentifiedasglialcellsortheirprecursorsbyamonoclonalantibodyagainstthe04surfaceantigenusingbothindirectimmunofluorescenceandcomplement-mediatedcytotoxicity.Between70and80%ofthenon-neuronalcellpopulationpresentincultureddorsalrootgangliaorsympatheticgangliaexpressedthe04antigenthroughouttheperiodofdevelopmentexaminedbetweenembryonicDays7and16.Theproportionof04-positivecellswhichexpressNGFreceptorsorNEuptakedecreasedwithincreasingageoftheganglia.Weconcludethat04-positiveimmatureglialcellswithNEuptakeandNGFreceptorsarepresentnotonlyinparasympatheticbutalsoinsympatheticandsensorygangliaofthechickembryo.
机译:Inprimaryculturesofdissociatedchicksympatheticanddorsalrootgangliaadesmethylimipramine-sensitivenorepinephrine(NE)uptakeandreceptorsfornervegrowthfactor(NGF)weredemonstratedoncellswithnonneuronalmorphologybyautoradiographictechniques.Thesecellswereidentifiedasglialcellsortheirprecursorsbyamonoclonalantibodyagainstthe04surfaceantigenusingbothindirectimmunofluorescenceandcomplement-mediatedcytotoxicity.Between70and80%ofthenon-neuronalcellpopulationpresentincultureddorsalrootgangliaorsympatheticgangliaexpressedthe04antigenthroughouttheperiodofdevelopmentexaminedbetweenembryonicDays7and16.Theproportionof04-positivecellswhichexpressNGFreceptorsorNEuptakedecreasedwithincreasingageoftheganglia.Weconcludethat04-positiveimmatureglialcellswithNEuptakeandNGFreceptorsarepresentnotonlyinparasympatheticbutalsoinsympatheticandsensorygangliaofthechickembryo。

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