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首页> 外文期刊>Developmental biology >Head activator and head inhibitor are signals for nerve cell differentiation in hydra☆
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Head activator and head inhibitor are signals for nerve cell differentiation in hydra☆

机译:头激活剂和头抑制剂是水肿中神经细胞分化的信号☆

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Headactivatorandheadinhibitorcontrolnervecelldifferentiationinhydra.Headactivatoractsasastimulatorysignalonnervecelldifferentiationbyforcingnervecellprecursors,whicharearrestedbeforefinaldifferentiation,todevelopintomaturenervecells.Headinhibitoractsantagonisticallybykeepingthecellsintheirarrestedstate,beforemitosisandterminaldifferentiation.ThisandotherevidencesuggestthatthearrestofthenervecellprecursorsoccursintheG2-phaseoftheircellcycle.Nervecelldifferentiationcanalsobeinducedbywoundingtheanimal.Thisisaconsequenceofaninitialdisinhibitioncausedbydiffusionofheadinhibitoroutofthetissueandthesubsequentreleaseofheadactivatorwhichthenstimulatesnervecelldifferentiation.
机译:Headactivatorandheadinhibitorcontrolnervecelldifferentiationinhydra.Headactivatoractsasastimulatorysignalonnervecelldifferentiationbyforcingnervecellprecursors,whicharearrestedbeforefinaldifferentiation,todevelopintomaturenervecells.Headinhibitoractsantagonisticallybykeepingthecellsintheirarrestedstate,beforemitosisandterminaldifferentiation.ThisandotherevidencesuggestthatthearrestofthenervecellprecursorsoccursintheG2-phaseoftheircellcycle.Nervecelldifferentiationcanalsobeinducedbywoundingtheanimal.Thisisaconsequenceofaninitialdisinhibitioncausedbydiffusionofheadinhibitoroutofthetissueandthesubsequentreleaseofheadactivatorwhichthenstimulatesnervecelldifferentiation。

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