et-b

Macitentan (ACT-064992) is an endothelin receptor antagonist utilized in the treatment of pulmonary arterial hypertension (PAH).

RO 46-8443 is the first non-peptide endothelin ETB receptor selective antagonist. RO 46-8443 displays up to 2000-fold selectivity for ETB receptors both in terms of binding inhibitory potency and functional inhibition.

Enrasentan (sb-217242) is a mixed antagonist of ET(A) and ET(B) receptors that reduces blood pressure, prevents cardiac hypertrophy, and protects myocardial function.

Bosentan (Benzenesulfonamide) is a sulfonamide-derived, competitive and specific endothelin receptor antagonist with a slightly higher affinity for the endothelin A receptor than endothelin B receptor. Bosentan blocks the action of endothelin 1, an extremely potent endogenous vasoconstrictor and bronchoconstrictor, by binding to endothelin A and endothelin B receptors in the endothelium and vascular smooth muscle. Bosentan decreases both pulmonary and systemic vascular resistance and is particularly used in the treatment of pulmonary arterial hypertension.

Bosentan hydrate (Ro 47-0203) is a competitive and dual antagonist of endothelin-1 at the endothelin-A (ET-A) and endothelin-B (ET-B) receptors.

Ro 46-2005 is a synthetic non-peptide endothelin receptor antagonist, inhibits the specific binding of 125I-ET-1 to human vascular smooth muscle cells (ETA receptor, IC50: 220 nM).

Aprocitentan (ACT-132577) is ETA and ETB antagonist .

IRL-1038 TFA is a selective and potent endothelin B (ETB) receptor antagonist that inhibits endothelin-induced endothelium-dependent relaxation and can be used in the study of cardiovascular disease.

BQ-788 is a selective and potent ETB receptor antagonist with potential hypertensive activity.BQ-788 inhibits ET-1 binding to ETB receptors and inhibits exogenous ET-1-induced elevation of coronary artery perfusion pressure.

A-192621 is a potent, nonpeptide, orally active, and selective endothelin B (ETB) receptor antagonist with an IC50 of 4.5 nM and a Ki of 8.8 nM. A-192621 promotes apoptosis in PASMCs and elevates both arterial blood pressure and plasma ET-1 levels[1][2][3]. Its selectivity is 636-fold higher for ETB than ETA (IC50 of 4280 nM and Ki of 5600 nM).

Aprocitentan-D4 is a deuterium-labeled Aprocitentan. Aprocitentan (T7817) is a major and pharmacologically active metabolite of Macitentan. Aprocitentan (T7817) is a dual ETA/ETB antagonist (IC50s: 3.4 nM and 987 nM; pA2s: 6.7 and 5.5).

BQ-788 sodium salt is a potent and selective antagonist of the Endothelin receptor type B, inhibiting the binding of Endothelin-1 to the receptor at nanomolar concentrations (reported IC₅₀ ≈ 1.2 nM).

IRL 2500 is an antagonist of Endothelin receptor with IC50s of 1.3 and 94 nM for Endothelin A receptor and Endothelin B receptor.

Tezosentan is an antagonist of the endothelin receptor (pA2s: 9.5, 7.7 for ETA and ETB receptors, respectively).

ETB is a potent inhibitor of Hsp60 chaperone activity. It can impede the chaperone function of both wild-type proteins and the C237A and C447A mutant proteins. ETB binds to Hsp60 at Cys442, and the C442A mutant demonstrates resistance to ETB inhibition.

Macitentan-D4 is a deuterated substitute for Macitentan (T2561) and can be used as a dual antagonist of the non-peptides ETA and ETB (endothelin receptor).Macitentan-D4 is less toxic than Macitentan, has a longer half-life, and can be used to study endothelin receptor-mediated diseases.

Endothelin 1 (swine, human) is a potent endogenous vasoconstrictor peptide released primarily by endothelial cells and acting through ETA and ETB receptors. Endothelin 1 (swine, human) mediates vascular smooth-muscle contraction, promotes fibrosis, stimulates reactive oxygen species production, and induces pro-inflammatory signaling, making it central to studies of vascular dysfunction, hypertension, and oxidative stress–associated pathology.

ETB067, an H-89 analog, acts as a PKA and AKT1 inhibitor with specificity on no longer inhibiting CAMK2B and neither affecting viability of mice nor causing any detectable tissue damage at the dose given.

The S-enantiomer of BET-BAY 002, referred to as BET-BAY 002 S enantiomer, is a potent inhibitor of BET (Bromodomain and Extra-Terminal motif proteins).

BET-BAY 002 is an effective BET bromodomain inhibitor demonstrating efficacy in vivo and in vitro against multiple myeloma and leukaemia models.

PROTAC BET-binding moiety 1 is a crucial intermediate used in synthesizing high-affinity BET inhibitors.

PROTAC BET-binding moiety 2 is an inhibitor of the BET bromodomain.

PROTACSMARCA2 degrader-6-Linker is a PROTAC linker that facilitates the connection between an E3 ligase ligand and a SMARCA2 ligand to form PROTACSMARCA2 degrader-6.

FT001 is a potent, selective and orally available inhibitor of BET Bromodomain with antitumor activity. FT001 inhibited the expression of MYC with the IC50 value of 0.46 μM). FT001 has potent antiproliferative effects against MV-4-11 and demonstrates significant MYC mRNA suppression both in vitro and in vivo.