1. Signaling Pathways
  2. GPCR/G Protein
  3. TSH Receptor

TSH Receptor

The TSH receptor (TSHR) is a member of the glycoprotein hormone receptors, a subfamily of family A G protein-coupled receptors. The TSH receptor (TSHR) undergoes complex post –translational modifications including intramolecular cleavage and receptor multimerization. TSHR and its endogenous ligand thyrotropin (TSH) are of essential importance for growth and function of the thyroid gland and proper function of the TSH/TSHR system is pivotal for production and release of thyroid hormones.

The TSHR activates different G-protein subtypes and signaling pathways, whereby Gs- and Gq-induced signaling are probably of highest importance. TSH and its receptor are required for thyroid hormone synthesis and release in the thyroid gland. Dysfunctions of the TSHR are the underlying cause of various gain- or loss-of-function phenotypes associated with thyroid malfunction. It has been suggested that the TSHR is involved in the development and mechanisms of ophthalmopathy. TSHR is also a major autoantigen for autoimmune diseases of the thyroid gland. In addition, TSHR has been proposed to be a potent target against thyroid cancer with several experimental compounds under development.

TSH Receptor Related Products (7):

Cat. No. Product Name Effect Purity
  • HY-114116
    ML-109 Agonist ≥98.0%
    ML-109 is a potent and full thyroid stimulating hormone receptor (TSHR) agonist, with an EC50 of 40 nM.
  • HY-12381
    ML224 Inhibitor 98.72%
    ML224(NCGC00242364; ANTAG3) is a selective TSHR inverse agonist; inhibits TSH-stimulated cAMP production with an IC50 = 2.3 μM.
  • HY-129995A
    TSHR antagonist S37a Antagonist ≥99.0%
    TSHR antagonist S37a is a highly selective thyrotropin receptor (TSHR) antagonist, with potential for the treatment of Graves' orbitopathy.
  • HY-100271
    Org41841 Agonist 99.46%
    Org41841 is a partial agonist of both luteinizing hormone/chorionic gonadotropin receptor (LHCGR) and thyroid-stimulating hormone receptor (TSHR) with EC50s of 0.2 and 7.7 μM, respectively.
  • HY-124867
    D3-βArr Modulator 99.48%
    D3-βArr is a positive allosteric modulator for thyrotropin receptor (TSHR), which initiates translocation of β-Arr 1 by direct TSHR activation and potentiates TSH-mediated preosteoblast differentiation in vitro.
  • HY-129995
    TSHR antagonist S37b Inhibitor 99.06%
    TSHR antagonist S37b is the less effective enantiomer of TSHR antagonist S37a (HY-129995A). TSHR antagonist S37b shows only a minor effect for thyrotropin receptor (TSHR) inhibition. TSHR antagonist S37b can be used for the research of thyroid function.
  • HY-18286
    NCGC00229600 Antagonist
    NCGC00229600 is an allosteric inverse agonist of thyrotropin receptor (TSHR). NCGC00229600 inhibits both TSH and stimulating antibody activation of TSHRs endogenously expressed in Graves' disease.
Isoform Specific Products

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