Krabbe disease, dysmyelination, gene therapy, globoid cell leukodystrophy, lysosomal storage disease, Animals, Body Weight, Bone Marrow Transplantation, Brain, Combined Modality Therapy, Cycloserine, Cytokines, Female, Galactosylceramidase, Genetic Therapy, Leukodystrophy, Globoid Cell, Male, Mice, Mice, Inbred Strains, Motor Skills, Myelin Sheath, Psychosine, Sciatic Nerve