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The heterograft nerve might fail due to immunologic rejection, so there were few studies about heterografting to repair peripheral nerve injury. Previous studies showed that regeneration nerve fibers could grow into the heterograft nerve when heterogenic graft nerves were treated by freezing and thawing. This suggested that for successful nerve grafting, the antigenicity of the nerve graft must be reduced or
The heterograft nerve might fail due to immunologic rejection, so there were few studies about heterografting to repair peripheral nerve injury. Previous studies showed that regeneration nerve fibers could grow into the heterograft nerve when heterogenic graft nerves were treated by freezing and thawing. This suggested that for successful nerve grafting, the antigenic of the nerve graft must be reduced or