1. Metabolic Enzyme/Protease
    Apoptosis
  2. PAI-1
    Apoptosis
  3. Tiplaxtinin

Tiplaxtinin (Synonyms: PAI-039; Tiplasinin)

Cat. No.: HY-15253 Purity: 98.42%
Handling Instructions

Tiplaxtinin is a selective and orally efficacious inhibitor of plasminogen activator inhibitor-1 (PAI-1) with IC50 of 2.7 μM.

For research use only. We do not sell to patients.

Tiplaxtinin Chemical Structure

Tiplaxtinin Chemical Structure

CAS No. : 393105-53-8

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Customer Review

Based on 1 publication(s) in Google Scholar

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Description

Tiplaxtinin is a selective and orally efficacious inhibitor of plasminogen activator inhibitor-1 (PAI-1) with IC50 of 2.7 μM[1].

IC50 & Target

IC50: 2.7 μM (PAI-1)[1]

In Vitro

Tiplaxtinin (PAI-039), a small-molecule inhibitor of PAI-1 activity, on the urothelial cell lines. A significant inhibition in cellular proliferation is noted in T24 cells treated with Tiplaxtinin with the documentation of a favorable IC50 value of 43.7±6.3 μM and in UM-UC-14 cells 52.8±1.6 μM whereas the benign cell line, UROtsa, is noted to have a higher IC50 value of 70.3±0.1 μM. Notably, IC50 values of Tiplaxtinin in detached cells, 19.7±3.8 μM in T24, 44.5±6.5 μM in UM-UC-14, and 31.6±6.1 μM in UROtsa, are significantly lower than the IC50 values calculated for cells cultured in the presence of Tiplaxtinin under attached conditions[2].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

In Vivo

In the vena cava protocol, Tiplaxtinin (PAI-039) pretreatment significantly reduces thrombus weight at Tiplaxtinin doses of 3, 10 and 30 mg/kg. When Tiplaxtinin is dosed in a treatment paradigm 4 h after stable arterial and venous thrombosis, a significant reduction in thrombus weight is observed 24 h later at Tiplaxtinin doses of 3, 10 and 30 mg/kg[1]. Tiplaxtinin (PAI-039) is administered by oral gavage to athymic mice bearing human bladder cancer cell line T24 xenografts and human cervical cancer HeLa cell xenografts. The subcutaneous tumor growth of both T24 and HeLa cell xenografts treated with Tiplaxtinin is markedly reduced compared with untreated controls. Specifically, at the end of the study, control T24 xenografts are noted to be 1,150±302 mm3 compared with 593±328 mm3 for T24 xenograft tumors treated with 5 mg/kg Tiplaxtinin (P<0.0001) and 627±248 mm3 for T24 xenografts treated with 20 mg/kg (P<0.0001)[2]. Tiplaxtinin (1, 3, and 10 mg/kg) is subjected to electrolytic injury of the coronary artery. Tiplaxtinin (PAI-039) causes prolongation in time to coronary occlusion (control, 31.7±6.3 min; 3 mg/kg Tiplaxtinin, 66.0±6.4 min; 10 mg/kg, 56.7±7.4 min; n=5-6; p<0.05) and a reduced thrombus weight (control, 7.6±1.5 mg; 10 mg/kg Tiplaxtinin, 3.6±1.0 mg; p<0.05)[3].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

Molecular Weight

439.38

Formula

C₂₄H₁₆F₃NO₄

CAS No.

393105-53-8

SMILES

O=C(C(O)=O)C1=CN(CC2=CC=CC=C2)C(C1=C3)=CC=C3C4=CC=C(OC(F)(F)F)C=C4

Shipping

Room temperature in continental US; may vary elsewhere.

Storage
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 6 months
-20°C 1 month
Solvent & Solubility
In Vitro: 

DMSO : ≥ 54 mg/mL (122.90 mM)

H2O : < 0.1 mg/mL (insoluble)

*"≥" means soluble, but saturation unknown.

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 2.2759 mL 11.3797 mL 22.7593 mL
5 mM 0.4552 mL 2.2759 mL 4.5519 mL
10 mM 0.2276 mL 1.1380 mL 2.2759 mL
*Please refer to the solubility information to select the appropriate solvent.
In Vivo:
  • 1.

    Add each solvent one by one:  10% DMSO    40% PEG300    5% Tween-80    45% saline

    Solubility: ≥ 2.5 mg/mL (5.69 mM); Clear solution

  • 2.

    Add each solvent one by one:  10% DMSO    90% (20% SBE-β-CD in saline)

    Solubility: 2.5 mg/mL (5.69 mM); Suspended solution; Need ultrasonic

  • 3.

    Add each solvent one by one:  10% DMSO    90% corn oil

    Solubility: ≥ 2.5 mg/mL (5.69 mM); Clear solution

*All of the co-solvents are provided by MCE.
References
Cell Assay
[2]

T24, UM-UC-14, UROtsa, and HeLa cells are plated in 96-well dishes in triplicate at 1×103 cells per well and allowed to adhere for 24 hours. Subsequently, Tiplaxtinin is added to the wells and allowed to incubate at the indicated concentrations. Cellular proliferation is determined by CellTiter-Glo Luminescent Cell Viability Assay at 24 hours, and IC50 of Tiplaxtinin is determined in Graphpad Prism. Luminescence is measured using a FLUOstar OPTIMA Reader[2].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Administration
[1][2]

Rats[1]
Male Sprague-Dawley rats (250-350 g) are dosed orally with either vehicle or Tiplaxtinin (0.3-3 mg/kg) on the morning of the experiment, then anesthetized with sodium-pentobarbital (50 mg/kg, i.p.). A midline incision is made along the neck, and the right and left carotid arteries and jugular veins are exposed. The left jugular vein is catheterized for tPA delivery and blood sampling. The right carotid artery is cannulated with PE-60 tubing filled with 3.8% sodium citrate solution, and interfaced to a saline-filled pressure transducer for monitoring of heart rate and blood pressure. The left carotid artery is used for vascular injury induction and thrombosis. An ultrasonic flow probe is placed on the left carotid artery, and baseline blood flow is recorded. A 3-mm section of PE-60 tubing is sectioned longitudinally, and a piece of filter paper saturated with 25% FeCl3 is inserted into the tubing. Flow is monitored in the damaged vessel during tPA infusion and for an additional 20 min afterwards. At the end of the experiment, the arterial thrombus is excised and weighed.
Mice[2]
Mice bearing bladder xenografts and mice bearing cervical xenografts are divided randomly into three groups (control, 5 mg/kg of Tiplaxtinin, and 20 mg/kg of Tiplaxtinin) and treatment is initiated. Each group is composed of at least 10 mice. No toxicity or weight loss is noted in any of the treatment groups. Tiplaxtinin (100 μL diluted in corn oil) is administered via oral gavage daily (Monday-Friday) for 5 weeks. Control mice received vehicle alone on the same schedule. Tumor volumes are measured weekly with digital calipers and calculated. After 5 weeks, the mice are sacrificed, tumors resected, and analyzed by immunohistochemical staining.

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

References
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Keywords:

TiplaxtininPAI-039 TiplasininPAI039PAI 039PAI-1ApoptosisPlasminogen activator inhibitor-1Inhibitorinhibitorinhibit

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