MRT-92 is a potent selective Smoothened (Smo) receptor antagonist (Kd=0.3 nM), inhibits rodent cerebellar granule cell proliferation induced by Hh pathway activation with IC50 of 0.4 nM.

MRT-81 is a potent antagonist of human and rodent smoothened Smo receptors, with an IC50 value of 41 nM in the Shh-light2 cells. MRT-81 has potent hedgehog inhibiting activity. MRT-81 can be used for the research of cancer.

Saridegib is a potent and specific inhibitor of Smoothened (Smo), a key signaling transmembrane protein in the Hedgehog (Hh) pathway.

Vismodegib (formerly GDC-0449) is a hedgehog antagonist, is also an orally bioavailable small molecule with potential antineoplastic activity.

Smoothened Agonist (SAG) HCl is a cell-permeable Smoothened (Smo) agonist with EC50 of 3 nM in Shh-LIGHT2 cells.

SANT-1 is a membrane permeable antagonist of the Shh (Sonic Hedgehog) signaling pathway by direct binding to Smo.

SAG is a potent Smoothened (Smo) receptor agonist (Kd = 59 nM); potently activates the Hedgehog signaling pathway in Shh-light 2 cells (EC50 ~ 3 nM).

Purmorphamine, which directly binds and activates Smoothened, blocks BODIPY-cyclopamine binding to Smo with IC50 of ~ 1.5 μM and also is an inducer of osteoblast differentiation with EC50 of 1 μM.

PF-04449913 is a potent and orally bioavailable inhibitor of smoothened with IC50 of 5 nM(Gli-luciferase reporter reporter in C3H10T1/2); the hedgehog pathway inhibitor

LY2940680 binds to the Smoothened (Smo) receptor and potently inhibits Hedgehog (Hh) signaling.

LDE225 (NVP-LDE225) is a Smoothened (Smo) antagonist, inhibiting Hedgehog (Hh) signaling with IC50 of 1.3 nM (mouse) and 2.5 nM (human), respectively. Phase 3.

BMS 833923 is an orally bioavailable inhibitor of Smo. It blocks binding of BODIPY cyclopamine (IC50 = 21 nM) and inhibits Gli activation in cell lines that express wild-type Smo or activated mutant forms of Smo (IC50s = 6-35 nM). BMS 833923 robustly inhi

SAG dihydrochloride is a potent Smoothened (Smo) receptor agonist (EC50=3 nM; Kd=59 nM). SAG dihydrochloride activates the Hedgehog signaling pathway and counteracts Cyclopamine inhibition of Smo.

PF-5274857 is a potent and selective Smoothened (Smo) antagonist, inhibits Hedgehog (Hh) signaling with IC50 and Ki of 5.8 nM and 4.6 nM, respectively, and can penetrate the blood–brain barrier.

MRT-14 is a potent antagonist of Smo. Smo is the major component involved in signal transduction of the Hedgehog (Hh) morphogens. MRT-14 has the potential for the research of several types of cancers linked to abnormal Hh signaling.

LDE225 (NVP-LDE225) is a Smoothened (Smo) antagonist, inhibiting Hedgehog (Hh) signaling with IC50 of 1.3 nM (mouse) and 2.5 nM (human), respectively. Phase 3.

ALLO-1 is a SMO antagonist that inhibits both wild-type (IC50 = 50 nM) and mutant SMO, including the D473H SMO mutant (IC50s = 300-1000 nM).

MK-4101 is a potent SMO Inhibitor of the Hedgehog Pathway, highly active against Medulloblastoma and Basal Cell Carcinoma.

KAAD-Cyclopamine, a hedgehog signaling inhibitor, is a smoothened antagonist.

IHR-Cy3 is a potent fluorescent Smo antagonist with an IC50?of 100 nM.

MRT-83 is a potent antagonist of Smo, with an IC50 in the nanomolar range.

A novel cell permeable smoothened antagonist with IC50 of 3.1 nM in Hh-dependent Gli transcriptional activity assay.

A novel cell membrane impermeable smoothened antagonist with IC50 of 7.6 nM in Hh-dependent Gli transcriptional activity assay.