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  • Title: Red ginseng delays age-related hearing and vestibular dysfunction in C57BL/6 mice.
    Author: Tian C, Kim YJ, Lim HJ, Kim YS, Park HY, Choung YH.
    Journal: Exp Gerontol; 2014 Sep; 57():224-32. PubMed ID: 24952098.
    Abstract:
    Since Korean red ginseng (KRG) has been proven to protect against gentamicin-induced vestibular and hearing dysfunction, the effects of KRG on age-related inner ear disorder in C57BL/6 mice were investigated. While age-related hearing loss was detected at the age of 6months (32kHz) and 9months (16kHz) in the control group, it was significantly delayed (p<0.05) in the 150mg/kg KRG-treated group. Vestibular dysfunction was observed in the tail-hanging and swimming tests, with significantly different severity scores and swimming times detected between the control and 150mg/kg KRG-treated group at the age of 12months (p<0.05). Mice treated with 500mg/kg KRG exhibited irritability and aggravated inner ear dysfunction. Histological observation supported the findings of hearing and vestibular function defects. In conclusion, C57BL/6 mice showed early-onset hearing loss and progressive vestibular dysfunction with aging, which were delayed by treatment with 150mg/kg KRG. However, 500mg/kg KRG treatment may induce aggressive behavior.
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