Mpv17-Related Mitochondrial Dna Maintenance Defect, also known as mitochondrial dna depletion syndrome 6 , hepatocerebral type, is related to mitochondrial dna depletion syndrome 3 and gastrointestinal system disease, and has symptoms including ataxia, diarrhea and vomiting. An important gene associated with Mpv17-Related Mitochondrial Dna Maintenance Defect is MPV17 (Mitochondrial Inner Membrane Protein MPV17). Affiliated tissues include liver.