Reply to: Absence of evidence that Slc12a8 encodes a nicotinamide mononucleotide transporter.

Address: Department of Developmental Biology, Washington University School of Medicine, St. Louis, MO, USA.; Center for Human Nutrition, Division of Geriatrics and Nutritional Science, Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA.; Department of Experimental Medicine, Section of Biochemistry, and Center of Excellence for Biomedical Research, University of Genova, Genova, Italy.; Department of Genetics, Washington University School of Medicine, St. Louis, MO, USA.; Mitchell Cancer Institute, University of South Alabama, Mobile, AL, USA.; Department of Developmental Biology, Washington University School of Medicine, St. Louis, MO, USA. [email protected].