Abetalipoproteinemia, also known as acanthocytosis, is related to mitochondrial trifunctional protein deficiency 1 and hypobetalipoproteinemia, familial, 2, and has symptoms including ataxia An important gene associated with Abetalipoproteinemia is MTTP (Microsomal Triglyceride Transfer Protein), and among its related pathways/superpathways are Metabolism and Transport of inorganic cations/anions and amino acids/oligopeptides. The drugs DL-alpha-Tocopherol and Tocopherol have been mentioned in the context of this disorder. Affiliated tissues include eye and liver, and related phenotypes are steatorrhea and abnormality of the nervous system