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Syndrome reference sheet
Generated 12 Oct 2026
Genetics · Metabolic / Aminoacidurias Hartnup syndrome
Also known as: Hartnup disease
Neutral aminoaciduria with pellagra-like rash.
- Medical specialty
- Genetics
- Subspecialty
- Metabolic / Aminoacidurias
- Sex & age distribution
- Male: affected; Female: affected; Children: yes
- Gene(s) involved
- SLC6A19
Etiology & mechanism
SLC6A19 loss.
Gene(s) involved (1)
SLC6A19
Symptoms & signs (4)
ataxianeutral aminoaciduriaphotosensitive rashpsychiatric symptoms