Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of TTR
Medically reviewed by Min Clinic Staff | Updated: January 2026
TTR: The gene that encodes transthyretin, a plasma protein consisting of 127 amino acids that binds retinol and thyroxine. Many distinct forms of amyloidosis have been related to different point mutations in TTR.