ido1 in 1

IDO1-IN-1 (2 HzBTZ) is an indoleamine 2,3-dioxygenase 1 (IDO1) inhibitor.

IDO1 TDO-IN-1 (30) is a highly effective inhibitor of IDO1 and TDO enzymes, acting through uncompetitive (Ki = 0.23 μM) and competitive (Ki = 0.73 μM) mechanisms, respectively. This compound exhibits significant capacity to induce cell apoptosis via the potential mitochondria-mediated Bcl-2 Bax pathway [1].

IDO1 2-IN-1 is the first potent, orally active dual IDO1 IDO2 inhibitor, exhibiting antitumor effects with IC50s of 28 nM and 144 nM for IDO1 and IDO2, respectively.

IDO1 2-IN-1 hydrochloride is the first potent dual inhibitor of IDO1 (IC50: 28 nM) and IDO2 (IC50: 144 nM) that is orally active.IDO1 2-IN-1 hydrochloride exhibits antitumor effects.

IDO-IN-13 (GS-4361) is a potent indoleamine 2,3-dioxygenase 1 (IDO1) inhibitor (EC50: 17 nM).

IDO1-IN-2 is a potent and selective IDO1 inhibitor with IC50s of 81 nM, 59 nM (mouse), and 28 nM (rat), respectively. It has anti-cancer activity.

LY3381916 is a selective, potent and brain penetrated inhibitor of IDO1 activity, binds to apo-IDO1 lacking heme rather than mature heme-bound IDO1.

(Rac)-IDO1-IN-5 is a racemate of IDO1-IN-5, a potent, selective, and brain-penetrating inhibitor of Indoleamine 2,3-Dioxygenase 1 (IDO1) activity. It specifically binds to apo-IDO1, which lacks heme, instead of mature heme-bound IDO1.

(S)-IDO1-IN-5 is an active S-isomer of IDO1-IN-5. (S)-IDO1-IN-5 binds to IDOL(IC50 value less than 1.5 µΜ).

NU227326 is a PROTAC degrader of indoleamine 2,3-dioxygenase 1 (IDO1) with a DC50 value of 4.5 nM. It effectively degrades IDO1 in U87 and GBM43 cells, with DC50 values of 7.1 nM and 11.8 nM, respectively. NU227326 exhibits favorable pharmacokinetic properties, with a plasma half-life of 5.7 hours and a brain tissue half-life of 11.8 hours. (Pink: ligand for target protein IDO1 ligand-1; Black: linker; Blue: ligand for E3 ligase Cereblon).

CAY10763 is a dual inhibitor of indolamine 2,3-dioxygenase 1 (IDO1; IC50= 46 nM) and STAT3 activation.1It binds to STAT3 (Kd= 530 nM) and selectively reduces the levels of STAT3 phosphorylated at the tyrosine in position 705 (STAT3Y705) over phosphorylated STAT3S727, STAT1, and STAT5 in SKOV3 cells when used at a concentration of 500 nM. It also inhibits STAT3 nuclear translocation in SKOV3 cells. CAY10763 is cytotoxic to HCT116, SKOV3, A549, and HepG2 cancer cells (IC50s = 37, 28, 33, and 12 nM, respectively). It reduces tumor growth in B16/F10 mouse melanoma and HepG2 mouse xenograft models when administered at doses of 100 and 10 mg/kg, respectively. 1.Huang, R., Jing, X., Huang, X., et al.Bifunctional naphthoquinone aromatic amide-oxime derivatives exert combined immunotherapeutic and antitumor effects through simultaneous targeting of indoleamine-2,3-dioxygenase and signal transducer and activator of transcription 3J. Med. Chem.63(4)1544-1563(2020)

PROTAC IDO1 Degrader-1, a pioneering compound, efficiently targets indoleamine 2,3-dioxygenase 1 (IDO1) for ubiquitination and degradation by recruiting IDO1 to the CRBN E3 ligase, thereby facilitating its entry into the ubiquitin-proteasome system (UPS) with a DC50 of 2.84 μM. This compound also moderately enhances the tumor-killing efficacy of HER2 CAR-T cells[1].

IDO1-IN-11 is an IDO1 inhibitor with an IC50 value of 0.6 nM.

IDO1-IN-7, a potent and selective indoleamine-2,3-dioxygenase-1 (IDO1) inhibitor, exhibits high potency with an IC 50 of 6.1 nM in the cellular assay (SKOV3). Apart from its inhibitory properties, IDO1-IN-7 also demonstrates immunomodulatory effects, contributing to its potential applications in cancer research.

IDO1-IN-12 is a potent oral inhibitor of IDO1 (indoleamine 2,3-dioxygenase 1).

IDO1 TDO-IN-2 (Compound 1) is a potent dual inhibitor of IDO1 and TDO with IC50 values of 0.1 μM and 0.07 μM, respectively. It holds potential for cancer research[1].

ZC0101 is a potent, orally active dual inhibitor of IDO1 (IC50 = 0.084 μM) and TrxR (IC50 = 7.98 μM), which effectively induces apoptosis and ROS accumulation in cancer cells [1].

IDO1 TDO-IN-3 is a powerful inhibitor targeting IDO1 and TDO enzymes, displaying noteworthy effectiveness against IDO1 (IC50: 0.005 μM) and TDO (IC50: 0.004 μM). Additionally, IDO1 TDO-IN-3 demonstrates considerable in vivo anti-tumor properties while exhibiting no apparent toxicity [1].

IDO1-IN-14 (compound 4a) is a highly effective inhibitor of the IDO1 enzyme with an IC50 value of 396.9 nM and exhibits excellent suppression of cellular IDO1 activity in HeLa cells with an EC50 value of 3393 nM [1].

IDO1-IN-16 (I-1) is an IDO1 inhibitor, targeting holo-IDO1 with an IC50 of 127 nM.

IDO1-IN-17 (I-4) is an IDO1 inhibitor with an IC50 of 0.44 μM in HeLa cells.

ZC0109, a dual inhibitor targeting IDO1 and Thioredoxin Reductase 1 (TrxR1) with IC50 values of 50 nM and 3.0 μM respectively, effectively promotes ROS accumulation and arrests the cell cycle at the G1 S phase, culminating in apoptosis of cancer cells.

4-Phenyl-1H-1,2,3-triazole, an inhibitor of the enzyme IDO1 (IC50: 60 µM), is utilized in cancer research [1].

IDO1-IN-21 (compound 10m), with an IC50 of 0.64 μM, acts as an IDO1 inhibitor and has demonstrated efficacy in suppressing tumor growth in murine models [1].