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Chemical Structure| 1450824-22-2 Chemical Structure| 1450824-22-2

Structure of TD139
CAS No.: 1450824-22-2

Chemical Structure| 1450824-22-2

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TD139 is an inhibitor of the galectin-3 carbohydrate binding domain with Kd of 14 nM and shows therapeutic efficacy against idiopathic pulmonary fibrosis (IPF).

Synonyms: Olitigaltin; GB0-139; GB0139

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Product Details of TD139

CAS No. :1450824-22-2
Formula : C28H30F2N6O8S
M.W : 648.64
SMILES Code : O[C@H]([C@@H](N1N=NC(C2=CC=CC(F)=C2)=C1)[C@H]([C@@H](CO)O3)O)[C@@H]3S[C@H]4[C@@H]([C@@H](N5N=NC(C6=CC=CC(F)=C6)=C5)[C@H]([C@@H](CO)O4)O)O
Synonyms :
Olitigaltin; GB0-139; GB0139
MDL No. :MFCD29919388
InChI Key :YGIDGBAHDZEYMT-MQFIMZJJSA-N
Pubchem ID :73774610

Safety of TD139

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319-H335
Precautionary Statements:P261-P305+P351+P338

Isoform Comparison

Biological Activity

In Vitro:

Cell Line
Concentration Treated Time Description References
Platelet-rich plasma from healthy subjects 1–10 μM To evaluate the effects of rGalectin-3 on platelet aggregation and ATP release in platelet-rich plasma. Results showed that rGalectin-3 potentiated platelet aggregation and ATP release induced by different agonists. Eur Heart J. 2022 Oct 7;43(37):3556-3574.
A549 alveolar epithelial cells 10 μM 48 hours TD139 reduced TGF-β1–induced β-catenin nuclear translocation and blocked TGF-β1–induced β-catenin phosphorylation. Am J Respir Crit Care Med. 2012 Mar 1;185(5):537-46.
Hippocampal slices of WT mice 10 µM 15 min To evaluate the preventive effect of TD139 on gal3-induced degradation of gamma oscillations, results showed that 10 µM TD139 effectively prevented the gal3-induced decrease of gamma oscillation power and rhythmicity Transl Neurodegener. 2023 Feb 6;12(1):6.
Human neutrophils 250 μM 4 hours TD139 enhances ROS production in human neutrophils in response to opsonized Candida Front Immunol. 2017 Feb 3;8:48.

In Vivo:

Species
Animal Model
Administration Dosage Frequency Description References
Mice Bleomycin-induced lung fibrosis model Intratracheal administration 10 mg Administered on Days 18, 20, 22, and 24, continued until Day 26 TD139 significantly reduced lung fibrosis and β-catenin activation. Am J Respir Crit Care Med. 2012 Mar 1;185(5):537-46.
ApoE−/− mice Atherosclerosis model Intraperitoneal injection 15 mg/kg Twice, 12 hours apart To evaluate the effects of TD139 on in vivo thrombosis in atherosclerotic ApoE?/? mice. Results showed that TD139 significantly suppressed FeCl3-induced thrombus formation without increasing bleeding risk. Eur Heart J. 2022 Oct 7;43(37):3556-3574.
Mice Folic acid-induced acute kidney injury model Intraperitoneal injection 15 mg/kg Single injection, observed for 8 days TD139 significantly improved renal function in AKI mice, reduced platelet and macrophage infiltration, and decreased the expression of inflammatory factors. Cell Commun Signal. 2025 Mar 21;23(1):148
C57BL/6J mice Spinal cord injury model (T10 crush injury) Intrathecal injection 3 µg/µl Once daily for 14 days To investigate the effect of TD139 on fibrotic scar formation and functional recovery after spinal cord injury. Results showed that TD139 significantly reduced fibrotic scar formation and promoted neuroprotection and motor function recovery. Cell Biosci. 2024 Oct 15;14(1):128.
Mice Light-induced retinal degeneration model Intraperitoneal injections 15 mg/kg For five consecutive days, starting one day prior to light exposure TD139 reduced microglia reactivity and delayed retinal damage J Neuroinflammation. 2022 Sep 17;19(1):229
Mice Systemic Candida infection model Intraperitoneal injection 300 μg Single dose TD139-treated mice have enhanced ability to clear the fungus Front Immunol. 2017 Feb 3;8:48.

Protocol

Bio Calculators
Preparing Stock Solutions 1mg 5mg 10mg

1 mM

5 mM

10 mM

1.54mL

0.31mL

0.15mL

7.71mL

1.54mL

0.77mL

15.42mL

3.08mL

1.54mL

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