ScienceAugust 25, 2026

transthyretin

tranz-THY-ruh-tin

Definition

A transport protein found in the blood and cerebrospinal fluid that carries the thyroid hormone thyroxine and retinol, which can cause disease if it misfolds and clumps.

Etymology

The word is a compound derived from 'trans-' (across), 'thy' (from thyroxine), and 'retin' (from retinol). It was named for its functional role as a carrier protein for both thyroxine and retinol.

In the news

The article mentions transthyretin in the context of amyloid polyneuropathy, a condition resulting from the misfolding of this specific protein. Kelly's research into this protein was instrumental in developing life-saving therapies.

Scripps Research professor Jeffery Kelly elected to the European Academy of Engineering

Read the full article ↗

Scripps Research

Related words

Learn words like this every day

Meet new words every morning.

Newspoken pulls carefully chosen words from the day’s news — with clear definitions, context, and light review that makes them stick. Get it on your phone.