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LM10 is a selective tryptophan 2,3-dioxygenase (TDO) inhibitor (IC50 values are 0.62 and 2 μM for human and mouse TDO, respectively). LM10 exhibits selectivity for TDO over IDO, MAO-A, MAO-B, and a panel of receptors and transporters. LM10 reduces growth of TDO-expressing P815 mastocytoma tumors in mice.
Cancer Immunol Immunother. 2025 Jan 03;74(2):67.
TDO2 + cancer-associated fibroblasts mediate cutaneous squamous cell carcinoma immune escape via impeding infiltration of CD8 + T cells
LM10 purchased from AbMole
Int Immunopharmacol. 2023 Dec;125(Pt B):111196.
Tryptophan metabolism regulates inflammatory macrophage polarization as a predictive factor for breast cancer immunotherapy
LM10 purchased from AbMole
| Cell Experiment | |
|---|---|
| Cell lines | P815B cells |
| Preparation method | To determine the TDO inhibitory potency of the synthesized molecules, the cells are incubated for 8 h at 37℃ in HBSS (Hanks' balanced salt solution), supplemented with 80 μM L-tryptophan and 2, 20, or 200 μM of the studied compound. To determine the IC50, the cells are incubated for 8 h at 37℃ in HBSS supplemented with 80 μM L-tryptophan and a titration of the compound ranging from 0.3 to 80 μM or from 1.5 to 400 μM. The plates are then centrifuged for 10 min at 300g, and 150 μL of the supernatant is collected. The wells are preserved for cell viability evaluation. The supernatant is analyzed by HPLC to measure the concentration of residual tryptophan and produced kynurenine, based on the retention time and the UV absorption (280 nm for tryptophan, 360 nm for kynurenine). |
| Concentrations | 2, 20, or 200 μM |
| Incubation time | 8 h |
| Animal Experiment | |
|---|---|
| Animal models | DBA/2 mice |
| Formulation | dissolved in water (1 mg/mL) |
| Dosages | 160 mg/kg |
| Administration | oral administration |
| Molecular Weight | 229.21 |
| Formula | C11H8FN5 |
| CAS Number | 1316695-35-8 |
| Solubility (25°C) | DMSO ≥ 33 mg/mL |
| Storage |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
| Related IDO Products |
|---|
| IDO-IN-2 (NLG-919 Analogue)
NLG919 is a potent IDO (indoleamine-(2,3)-dioxygenase) pathway inhibitor with Ki/EC50 of 7 nM/75 nM. |
| IDO5L
IDO5L is a potent indoleamine 2,3-dioxygenase (IDO) inhibitor with an IC50 of 67 nM. |
| Coptisine
Coptisine, an alkaloid isolated from Coptis, is an effective non-competitive IDO inhibitor with Ki value of 5.8 μM and IC50 value of 6.3 μM. |
| Coptisine chloride
Coptisine chloride is an effective and non-competitive IDO inhibitor with Ki value of 5.8 μM and IC50 value of 6.3 μM. Coptisine chloride is an effective H1N1 neuraminidase (NA-1) inhibitor with IC50 of 104.6 μg/mL, which can be used for influenza A virus (H1N1) infection. |
| Coptisine-Sulfate
Coptisine Sulfate is an alkaloid isolated from coptis coptidis. It is an effective non-competitive IDO inhibitor with Ki value of 5.8 μM and IC50 value of 6.3 μM. |
All AbMole products are for research use only, cannot be used for human consumption or veterinary use. We do not provide products or services to individuals. Please comply with the intended use and do not use AbMole products for any other purpose.
Products are for research use only. Not for human use. We do not sell to patients.
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