Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UMLS:C0028738 (nystagmus)
 7,431 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The aim of this study was to investigate the effects of ginkgolide B on the behavioral recovery process (vestibular compensation) which occurs following surgical removal of the vestibular receptor cells in one labyrinth (unilateral labyrinthectomy, UL). Guinea pigs received a single ip injection of ginkgolide B at the time of the UL (25, 50, or 100 mg/kg) and the effects on the compensation of the UL symptoms, spontaneous ocular nystagmus (SN), yaw head tilt (YHT), and roll head tilt (RHT), were evaluated. The effects of a single vehicle injection or a similar injection of ginkgolide A were used for comparison. Twenty-five mg/kg ginkgolide B significantly increased the rate of SN compensation compared to the vehicle control group (P < 0.02). However, 50 mg/kg ginkgolide B had no significant effect on either SN frequency or the rate of SN compensation. Ginkgolide B (100 mg/kg) significantly altered the rate of SN compensation (P < 0.02); however, SN frequency values were higher at most measurement times. YHT and RHT were not significantly affected by ginkgolide B at any of the doses used. Twenty-five mg/kg ginkgolide A had no significant effect on any of the UL symptoms. These results suggest that, at the optimal dose of 25 mg/kg, a single ip injection of ginkgolide B at the time of the UL can produce an acceleration of SN compensation.
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PMID:Ginkgolide B accelerates vestibular compensation of spontaneous ocular nystagmus in guinea pig following unilateral labyrinthectomy. 789 26