This volume focuses on thyroid hormones and their transporters and receptors. Chapters focus on a wide range of methods and protocols that are important for advancing the elucidation of the role of thyroid hormones in our body. Written in the highly successful Methods in Molecular Biology series format, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, and key tips on troubleshooting and avoiding known pitfalls.