tdo

TDO-IN-1 is an orally active, potent, and selective inhibitor of tryptophan 2,3-dioxygenase (TDO), inhibiting indoleamine-2,3-dioxygenase, with antitumor activity that reverses local immune tolerance in tumor tissues.

IDO/TDO-IN-1 is an orally active dual indoleamine-2,3-dioxygenase (IDO) and tryptophan 2,3-dioxygenase (TDO) inhibitor (IC50s: 9.7 and 47 nM).

IACS-8968 is a dual IDO and TDO inhibitor (pIC50s: 6.43 for IDO and <5 for TDO).

680C91 is a potent and selective inhibitor of TDO, and its Ki is 51 nM.

Selective tryptophan 2, 3-dioxygenase (TDO) inhibitor (IC50 values are 0.62 and 2 μM for human and mouse TDO, respectively). Exhibits selectivity for TDO over IDO, MAO-A, MAO-B, and a panel of receptors and transporters. Reduces growth of TDO-expressing P

IACS-8968 R-enantiomer is the R-enantiomer of IACS-8968. IACS-8968 is a dual IDO and TDO inhibitor (pIC50s: 6.43 for IDO and <5 for TDO).

IACS-8968 S-enantiomer is the S-enantiomer of IACS-8968. IACS-8968 is a dual IDO and TDO inhibitor (pIC50s: 6.43 for IDO and <5 for TDO).

IDO1/TDO-IN-8 (Compound CZ-17) is a dual IDO1 and TDO inhibitor capable of crossing the blood-brain barrier, with EC50 values of 0.33 μM and 1.78 μM, respectively. It modulates the kynurenine pathway of tryptophan metabolism, reducing the kynurenine/tryptophan ratio. IDO1/TDO-IN-8 has neuroprotective effects, alleviating motor dysfunction and improving depressive behavior, making it relevant for research into Parkinson's disease with comorbid depression.

TDO-IN-2 is an orally active TDO inhibitor with an IC50 of 1.25 μM. It exhibits antitumor activity in a Hepa1-6 liver cancer allograft mouse model. Additionally, TDO-IN-2 works synergistically with PD-1/PD-L1 inhibitor BMS-202, making it useful for studying tumor immune tolerance.

IDO1/TDO-IN-9 (Compound 66) is a potent dual inhibitor of indoleamine 2,3-dioxygenase 1 (IDO1) and tryptophan 2,3-dioxygenase (TDO), with an IC50 value of less than 1 μM. It effectively inhibits the activity of IDO1 and TDO, preventing the degradation of tryptophan into kynurenine, thereby restoring immune activity in the tumor microenvironment and inhibiting tumor growth. IDO1/TDO-IN-9 shows potential for cancer research.

IDO1/TDO-IN-4 is a novel dual inhibitor of IDO1/TDO with antidepressant activity, forming hydrogen bonds with IDO1 and π-π stacking interactions with TDO. IDO1/TDO-IN-4 rescues lipopolysaccharide-induced depressive-like behaviors in mice, used for cancer and Alzheimer's disease research.

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].

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/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/TDO-IN-6 (compound 11) is a dual inhibitor targeting IDO1 and TDO, exhibiting IC50 values of 2.25 μM for IDO1 and 2.89 μM for TDO, with Ki values of 1.9 μM for IDO1 and 3.1 μM for TDO, indicating its potential utility in cancer and immunology research [1].

6,6′-Trehalose dioleate (6,6′-TDO) is a glycolipid extensively used for in vivo and in vitro mRNA delivery. This compound effectively encapsulates mRNA encoding hemagglutinin A (HA) from influenza A virus for use within lipid nanoparticles (LNPs), enhancing the secretion of Ifn-γ, Il-2, and Tnf-α from isolated murine spleen cells. When administered via intramuscular injection in mice, LNPs containing 6,6′-TDO predominantly accumulate in the liver and spleen. Unlike LNP formulations without 6,6′-TDO, those containing 6,6′-TDO do not reduce serum levels of blood urea nitrogen (BUN) or elevate levels of lactate dehydrogenase (LDH), troponin I, alanine aminotransferase (ALT), or aspartate aminotransferase (AST). Additionally, these LNPs enhance the serum titers of IgG1 and IgG2a antibodies in mice.

IDO1/TDO-IN-7 (Compound 43b), an isochinoline derivative, functions as a potent dual inhibitor of IDO1/TDO with IC50 values of 0.31 μM and 0.08 μM, respectively. Demonstrating favorable pharmacokinetics and strong antitumor efficacy in the B16-F10 tumor model, this compound also exhibits low toxicity.

(R)-IDO/TDO-IN-1 (compound 25), an indoleamine-2,3-dioxygenase (IDO) inhibitor, demonstrates good pharmacokinetic properties and exerts anti-tumor effects in the MC38 xenograft model. This compound exhibits synergy when combined with the anti-PD-1 monoclonal antibody (SHR-1210) [1].

Human TDO2-IN-1 (Cpd-2) is a potent inhibitor of human TDO2, with an IC50 of 14.8 nM. It plays a significant role in studies related to metabolism, inflammation, and tumor immune surveillance.

EtDO-P4 is a nanomolar inhibitor of sphingolipid (GSL) synthesis, inhibiting EGFR-induced activation of the ERK pathway and various receptor tyrosine kinases (RTK). EtDO-P4 can be used to study a variety of tumor types, including Burkitt's lymphoma.

PFI-2 is an effective, specific and cell-active lysine methyltransferase SETD7 inhibitor (Ki/IC50: 0.33/2 nM), 1000-fold selectivity over other methyltransferases and other non-epigenetic targets.

AS-85 is a cell permeable ASH1L inhibitor with anti-leukemic activity, inhibits the growth of leukemic cells, increases cLogP, decreases tPSA, and can be used in the study of leukemia.

PFI-2 hydrochloride ((R)-PFI-2 hydrochloride) is a potent, highly selective, and cell-active inhibitor of the methyltransferase activity of SETD7 (IC50: 2 nM), 500 fold active than (S)-PFI-2.

OICR-9429 is a potent antagonist of the interaction that WDR5 effect with peptide regions of MLL and Histone 3. It reduces the viability of acute myeloid leukemia cells in vitro.