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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 |
|---|
| (S)-LY-3381916
(S)-LY-3381916 is an active S-isomer of LY-3381916. (S)-LY-3381916 binds to IDOL with an IC50 value less than 1.5 µΜ. LY-3381916 is a potent, selective and brain penetrated inhibitor of Indoleamine 2,3-Dioxygenase 1 (IDO1) activity, binds to apo-IDO1 lacking heme rather than mature heme-bound IDO1. |
| IDO2-IN-1
IDO2-IN-1 is an orally active and potent Indoleamine 2,3-dioxygenase 2 (IDO2) inhibitor with an IC50 value of 112 nM. IDO2-IN-1 can be used for the research of inflammatory autoimmunity. |
| IDO1/2-IN-1
IDO1/2-IN-1 is the first potent IDO1/IDO2 dual inhibitor with IC50s of 28 nM and 144 nM for IDO1 and IDO2, respectively. |
| IDO1/2-IN-1 hydrochloride
IDO1/2-IN-1 hydrochloride is the first potent IDO1/IDO2 dual inhibitor with IC50s of 28 nM and 144 nM for IDO1 and IDO2, respectively. |
| IDO-IN-18
IDO-IN-18 is an IDO inhibitor. |
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Products are for research use only. Not for human use. We do not sell to patients.
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