CDG PIG-A is a very rare genetic disorder that belongs to the group of congenital glycosylation disorders (CDG).

• Cause: Mutations in the PIG-A gene, which is responsible for the formation of GPI anchors. These anchors are important for anchoring certain proteins to the cell surface.
• Typical characteristics: Developmental delays, neurological abnormalities, muscle weakness, sometimes seizure disorders, growth retardation and other systemic symptoms.
• Affected areas: Mobility, coordination, sometimes epilepsy, eating and swallowing problems.