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Potentiation of nerve growth factor-mediated nerve fiber production in organ cultures of chicken embryonic ganglia by ginseng saponins: Structure-activity relationship.
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1984
Year
GlycobiologyPeripheral NervePeripheral NervesRelated CompoundsHealth SciencesSpinal Cord InjuryChicken Embryonic GangliaGinseng SaponinsStructure-activity RelationshipNeural Tissue EngineeringNervous SystemOrganogenesisPharmacologyCell BiologyNerve Fiber ProductionDevelopmental BiologyPhysiologyNerve Growth FactorTissue CultureMedicine
Potentiation of the nerve growth factor (NGF)-mediated nerve fiber production in organ cultures of chicken embryonic dorsal root ganglia (DRG) and lumbar sympathetic ganglia (SymG) by saponins isolated from Panax ginseng C. A. MAYER and Panax japonicum C. A. MAYER and related compounds was studied in order to elucidate the structure-activity relationship. Panax saponins and related compounds so far tested did not promote nerve fiber production, but some 20 (S)-protopanaxadiol glycoside having glucose units in their two sugar moieties potentiated the effect of NGF. Removal of glucose or introduction of a hydroxy group into the side chain of ginsenoside Rd reduced the activity. Little difference was observed in the potentiation of the NGF effect by the saponins in organ cultures of DRG and SymG.