title: Is low serum creatine kinase a nonspecific screening marker for creatine deficiency syndromes?
authors.forename: Saadet
authors.initials: S
authors.lastname: Mercimek-Mahmutoglu
authors.forename: Khalid
authors.initials: K
authors.lastname: Al-Thihli
authors.forename: Elke
authors.initials: E
authors.lastname: Roland
mesh_terms: D015415:Biomarkers / Q000097:blood; D020739:Brain Diseases, Metabolic, Inborn / Q000175:diagnosis* / Q000235:genetics / Q000378:metabolism; D002675:Child, Preschool; D003401:Creatine / Q000172:deficiency / Q000235:genetics / Q000378:metabolism; D003402:Creatine Kinase / Q000097:blood*; D050937:Guanidinoacetate N-Methyltransferase / Q000378:metabolism; D006801:Humans; D007223:Infant; D008297:Male; D026901:Membrane Transport Proteins / Q000235:genetics; D038901:X-Linked Intellectual Disability / Q000175:diagnosis* / Q000235:genetics / Q000378:metabolism; D009154:Mutation; D050480:Plasma Membrane Neurotransmitter Transport Proteins / Q000172:deficiency / Q000235:genetics / Q000378:metabolism
chemical_list: D015415:Biomarkers; D026901:Membrane Transport Proteins; D050480:Plasma Membrane Neurotransmitter Transport Proteins; C080679:creatine transporter; C494506:GAMT protein, human; D050937:Guanidinoacetate N-Methyltransferase; D003402:Creatine Kinase; D003401:Creatine