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TD139 is a small molecule inhibitor of inhaled galectin-3 (Gal-3) with potential anti-fibrotic activity, commonly used in the study of idiopathic pulmonary fibrosis.

| Pack Size | Price | USA Warehouse | Global Warehouse | Quantity |
|---|---|---|---|---|
| 1 mg | $64 | In Stock | In Stock | |
| 5 mg | $129 | In Stock | In Stock | |
| 10 mg | $213 | In Stock | In Stock | |
| 25 mg | $459 | In Stock | In Stock | |
| 50 mg | $778 | In Stock | In Stock | |
| 100 mg | $1,290 | In Stock | In Stock |
| Description | TD139 is a small molecule inhibitor of inhaled galectin-3 (Gal-3) with potential anti-fibrotic activity, commonly used in the study of idiopathic pulmonary fibrosis. |
| Targets&IC50 | GAL3:14 nM (Kd), GAL3:0.036 µM (Kd), Galectin-3:7.9 μg/mL |
| In vitro | TD139 has a high affinity for galectin-3 with a Kd of 14 nM and 10 nM for galectin-1, but low affinity for galectins 2, 4N, 4C, 7, 8N, or 9N [1]. |
| In vivo | In primary lung AECs, TD139 reduces TGF-β1–induced β-catenin translocation to the nucleus, keeping most β-catenin at the cell surface, and blocks TGF-β1–induced β-catenin phosphorylation. TD139 treatment in WT mice results in a marked reduction in lung fibrosis and β-catenin activation, along with decreased galectin-3 expression [1]. Pretreatment of WT C57BL/6 mice with TD139 attenuates liver injury, reduces infiltration of IFNγ-, IL-17-, and IL-4-producing CD4(+) T cells, increases IL-10-producing CD4(+) T cells and F4/80(+) CD206(+) alternatively activated macrophages, and prevents apoptosis of liver-infiltrating MNCs [2]. |
| Molecular Weight | 648.64 |
| Formula | C28H30F2N6O8S |
| Cas No. | 1450824-22-2 |
| Smiles | OC[C@H]1O[C@@H](S[C@@H]2O[C@H](CO)[C@H](O)[C@@H]([C@H]2O)n2cc(nn2)-c2cccc(F)c2)[C@H](O)[C@H]([C@H]1O)n1cc(nn1)-c1cccc(F)c1 |
| Relative Density. | 1.76 g/cm3 (Predicted) |
| Storage | keep away from moisture | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. | |||||||||||||||||||||||||||||||||||
| Solubility Information | H2O: Insoluble Ethanol: 3 mg/mL (4.63 mM), Sonication is recommended. DMSO: 55 mg/mL (84.79 mM), Sonication is recommended. | |||||||||||||||||||||||||||||||||||
| In Vivo Formulation | 10% DMSO+40% PEG300+5% Tween 80+45% Saline: 2 mg/mL (3.08 mM), Sonication is recommended. Please add the solvents sequentially, clarifying the solution as much as possible before adding the next one. Dissolve by heating and/or sonication if necessary. Working solution is recommended to be prepared and used immediately. The formulation provided above is for reference purposes only. In vivo formulations may vary and should be modified based on specific experimental conditions. | |||||||||||||||||||||||||||||||||||
Solution Preparation Table | ||||||||||||||||||||||||||||||||||||
Ethanol/DMSO
DMSO
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Dissolve 2 mg of the compound in 100 μL DMSO
to obtain a stock solution at a concentration of 20 mg/mL . If the required concentration exceeds the compound's known solubility, please contact us for technical support before proceeding.
1) Add 100 μL of the DMSO
stock solution to 400 μL PEG300
and mix thoroughly until the solution becomes clear.
2) Add 50 μL Tween 80 and mix well until fully clarified.
3) Add 450 μL Saline,PBS or ddH2O
and mix thoroughly until a homogeneous solution is obtained.
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