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2143452-20-2

2143452-20-2 structure
2143452-20-2 structure
  • Name: TSHR antagonist S37a
  • Chemical Name: TSHR antagonist S37a
  • CAS Number: 2143452-20-2
  • Molecular Formula: C25H20N2O3S2
  • Molecular Weight: 460.57
  • Catalog: Signaling Pathways GPCR/G Protein TSH Receptor
  • Create Date: 2020-01-23 20:20:51
  • Modify Date: 2024-01-08 15:13:44
  • TSHR antagonist S37a is a highly selective thyrotropin receptor (TSHR) antagonist, with potential for the treatment of Graves' orbitopathy[1].

Name TSHR antagonist S37a
Description TSHR antagonist S37a is a highly selective thyrotropin receptor (TSHR) antagonist, with potential for the treatment of Graves' orbitopathy[1].
Related Catalog
Target

TSHR[1]

In Vitro TSHR antagonist S37a exhibits inhibition activity for TSHR, with IC50s of 40 µM and approximately 20 µM for mTSHR and hTSHR, respectively, in HEK293 cells[1]. TSHR antagonist S37a not only inhibits the TSHR activation by thyrotropin itself but also activation by monoclonal TSAb M22 (human), KSAb1 (murine), and the allosteric small-molecule agonist C2[1].
In Vivo TSHR antagonist S37a also inhibits cyclic adenosine monophosphate formation by oligoclonal TSAb, which are highly enriched in GO patients' sera[1]. TSHR antagonist S37a (10 mg/kg ;i.g.) displays no toxicity and a remarkable 53% oral bioavailability in mice[1]. Animal Model: SWISS (CD1) mice (38-43 g)[1] Dosage: 10 mg/kg Administration: Oral gavage Result: Displays a remarkable 53% oral bioavailability as well as a half‐life of 2.9 hours after oral application.
References

[1]. Marcinkowski P, et al. A New Highly Thyrotropin Receptor-Selective Small-Molecule Antagonist with Potential for the Treatment of Graves' Orbitopathy. Thyroid. 2019 Jan;29(1):111-123.

Molecular Formula C25H20N2O3S2
Molecular Weight 460.57