Aminoadipic Semialdehyde

**Semantic type:** Amino Acid, Peptide, or Protein

**Definition:** An amino acid derivative that is a product of lysine degradation. This metabolite is associated with oxidative stress. Elevated urine levels of aminoadipic semialdehyde (AASA) are seen in patients with AASA dehydrogenase deficiency.

**Synonyms:** - AASA