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From structural biology to precision medicine-decoding the key receptor in thyroid disorders
1Department of Child Health Care and Rehabilitation, The Second Hospital & Clinical Medical School, Lanzhou University, Lanzhou 730030, China.
Drug Discovery Today
|August 12, 2026
Summary
The thyroid-stimulating hormone receptor (TSHR) is a key target for precision medicine in thyroid disorders. Mechanistic insights are driving new diagnostics and targeted therapies, including novel immunotherapies.
Area of Science:
- Endocrinology
- Molecular Biology
- Immunology
Background:
- The thyroid-stimulating hormone receptor (TSHR) is a critical autoantigen in thyroid disorders.
- TSHR is increasingly recognized as a druggable target for precision medicine approaches.
Purpose of the Study:
- To review the translational progress of TSHR in thyroid disorders.
- To highlight how mechanistic findings inform novel diagnostics and therapeutics.
Main Methods:
- Review of recent advances in cryo-electron microscopy (cryo-EM) elucidating TSHR activation.
- Analysis of emerging therapeutic strategies targeting TSHR, including antibodies and small molecules.
- Evaluation of functional antibody subtyping and receptor-targeted imaging for diagnostics.
Main Results:
- Cryo-EM studies have revealed the dual-mode activation and allosteric landscape of TSHR.
- Development of novel therapeutics such as blocking antibodies, pathway-specific small molecules, and TSHR-IGF-1R crosstalk inhibitors is accelerated.
- Improved diagnostic accuracy through functional antibody subtyping and receptor-targeted imaging.
Conclusions:
- Mechanistic understanding of TSHR is crucial for advancing diagnostics and therapeutics in thyroid disorders.
- TSHR-targeted strategies hold promise for novel diagnostics, targeted agents, and curative immunotherapies.
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