1. Metabolic Enzyme/Protease
  2. Phosphodiesterase (PDE)
  3. PF-8380


Cat. No.: HY-13344 Purity: 99.04%
COA Handling Instructions

PF-8380 is a potent autotaxin inhibitor with an IC50 of 2.8 nM in isolated enzyme assay and 101 nM in human whole blood.

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

PF-8380 Chemical Structure

PF-8380 Chemical Structure

CAS No. : 1144035-53-9

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10 mM * 1 mL in DMSO USD 73 In-stock
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Customer Review

Based on 6 publication(s) in Google Scholar

Other Forms of PF-8380:

Top Publications Citing Use of Products

    PF-8380 purchased from MCE. Usage Cited in: J Clin Invest. 2017 Apr 3;127(4):1517-1530.  [Abstract]

    Western blot analysis demonstrate decreased expression of dephosphorylated NFAT1 and total and active β-catenin proteins in allografts treated with PF-8380 (n = 4/group). All representative blots shown are from the same biological samples. Total and active β-catenin are blotted simultaneously on 2 parallel gels.
    • Biological Activity

    • Protocol

    • Purity & Documentation

    • References

    • Customer Review


    PF-8380 is a potent autotaxin inhibitor with an IC50 of 2.8 nM in isolated enzyme assay and 101 nM in human whole blood.

    IC50 & Target[1]


    2.8 nM (IC50, In isolated enzyme assay)

    In Vitro

    PF-8380 also inhibits rat autotaxin with an IC50 of 1.16 nM with FS-3 substrate. Potency of PF-8380 is maintained when using enzyme produced from fetal fibroblasts used in combination with lysophosphatidyl choline (LPC) as a substrate. In human whole blood incubated with PF-8380 for 2 h, autotaxin is inhibited with an IC50 of 101 nM[1]. Autotaxin (ATX), an enzyme with lysophospholipase D (lysoPLD) activity, catalyzes the production of lysophosphatidic acid (LPA) from lysophosphatidylcholine (LPC). Pre-treatment of GL261 and U87-MG cells with 1 μM PF-8380 followed by 4 Gy irradiation results in decreased clonogenic survival, decreases migration (33% in GL261; P=0.002 and 17.9% in U87-MG; P=0.012), decreases invasion (35.6% in GL261; P=0.0037 and 31.8% in U87-MG; P=0.002), and attenuates radiation-induced Akt phosphorylation[2].

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

    In Vivo

    The pharmacokinetic profile of PF-8380 is evaluated at an intravenous dose of 1 mg/kg and oral doses of 1 to 100 mg/kg out to 24 h. PF-8380 has mean clearance of 31 mL/min/kg, volume of distribution at steady state of 3.2 L/kg, and effective t1/2 of 1.2 h. Oral bioavailability is moderate, ranging from 43 to 83%. Plasma concentrations increased with single oral escalating doses, but Cmax increased at a rate that is approximately proportional to dose from 1 to 10 mg/kg and less than proportional to dose from 10 to 100 mg/kg. PF-8380 exposures estimated by area under the curve are approximately proportional to dose and linear up to 100 mg/kg. Plasma C16:0, C18:0, and C20:0 LPA levels are measured immediately after collection. Maximal reduction of LPA levels is observed by the 3 mg/kg dose at 0.5 h with all LPA returning at or above baseline at 24 h[1]. Treatment with 10 mg/kg PF-8380 increases tumor-associated vascularity modestly by 20% (P=0.497). When compared to control, treatment of PF-8380 45 min before 4 Gy irradiation decreases vascularity by nearly 48% when compared to control (P=0.031) and by 65% when compared to mice that received radiation alone (P=0.011)[2].

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

    Molecular Weight






    CAS No.



    Room temperature in continental US; may vary elsewhere.

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

    DMSO : 6.67 mg/mL (13.94 mM; ultrasonic and adjust pH to 5 with HCl)

    Stock Solutions
    Concentration Solvent Mass 1 mg 5 mg 10 mg
    1 mM 2.0906 mL 10.4530 mL 20.9061 mL
    5 mM 0.4181 mL 2.0906 mL 4.1812 mL
    10 mM 0.2091 mL 1.0453 mL 2.0906 mL
    *Please refer to the solubility information to select the appropriate solvent.
    In Vivo:
    • 1.

      Add each solvent one by one:  50% PEG300    50% saline

      Solubility: 10 mg/mL (20.91 mM); Suspended solution; Need ultrasonic

    • 2.

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

      Solubility: ≥ 0.67 mg/mL (1.40 mM); Clear solution

    • 3.

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

      Solubility: ≥ 0.67 mg/mL (1.40 mM); Clear solution

    • 4.

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

      Solubility: ≥ 0.67 mg/mL (1.40 mM); Clear solution

    *All of the co-solvents are available by MCE.
    Purity & Documentation

    Purity: 99.04%

    Kinase Assay

    FS-3 substrate is solubilized in assay buffer at 500 μM and frozen at -20°C in single-use aliquots for up to 4 weeks. Recombinant autotaxin is diluted in Tris-buffered saline (140 mM NaCl, 5 mM KCl, 1 mM CaCl2, 1 mM MgCl2, 50 mM Tris, pH 8.0) and incubated with compound in DMSO or DMSO alone (final 1% DMSO) for 15 min at 37°C, and the reaction is started with the addition of FS-3 at a final concentration of 1 μM. The reaction is allowed to proceed at 37°C for 30 min and monitored at 520 nm until the uninhibited control compared with a no-enzyme control gave a Z′≥0.5. IC50s are determined in triplicate by using a four-parameter fit[1].

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

    Cell Assay

    HUVEC (1×106) and bEnd.3 cells (1×106) are plated in 100 mm plates and after 24 h, U87-MG (2×106) and GL261 (2×106) cells are plated onto transwell inserts. After co-culture for 24 h, cells are treated with 1 μM of PF-8380 or vehicle control DMSO for 45 min prior to irradiation with 0, 2, 4, 6, or 8 Gy. After the treatments as co-culture with either PF-8380 or DMSO calculated numbers of U87-MG and GL261 cells are plated to enable normalization for plating efficiencies. After 7 to 10 day incubation plates are fixed with 70% EtOH and stained with 1% methylene blue. Colonies consisting of >50 cells are counted by viewing the plates under a microscope. The survival fractions are calculated as (number of colonies/number of cells plated)/(number of colonies for corresponding control/number of cells plated). Survival curves are analyzed by curve fitting to the alpha/beta model calculating D0 and n[2].

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

    Animal Administration

    Male Lewis rats weighing 275 to 300 g are used and acclimated to their surroundings for approximately 1 week with food and water provided ad libitum. A minimum of 1 day before study, animals are anesthetized with isoflurane (to effect) and implanted with Culex vascular catheters in the carotid artery. Animals are acclimated in Culex cages overnight before dosing. Patency of the carotid artery catheter is maintained by using the "tend" function of the Culex automated blood sampler. Animals are dosed with PF-8380 at 1, 3, 10, 30, and 100 mg/kg by oral gavage after an overnight fast. Blood collections are obtained from the carotid artery and performed by the Culex automated blood sampler at 0.25, 0.5, 1, 2, 4, 6, 8, and 24 h after administration. Blood is centrifuged, and plasma is collected for analysis of PF-8380 and LPA concentrations.
    GL261 cells (1×106) are injected into the right hind limb of nude mice. Once tumors are palpable the mice are serpentine sorted into groups of six to seven animals representing similar distributions of tumor sizes (range=240 mm3). Tumor bearing mice are injected intraperitoneally with vehicle (DMSO) or PF-8380 at 10 mg/kg body weight once daily for five consecutive days. Forty five minutes after drug injection, mice are anesthetized with isoflurane and positioned in the RS2000 irradiator. They are then irradiated with 2 Gy daily for five consecutive days for a total of 10 Gy. Lead blocks (10 mm thick) are used to shield the head, thorax, and abdomen. Tumor size is monitored longitudinally using an external traceable digital caliper. Mice are sacrificed by cervical dislocation once the tumors reached a volume of approximately 10 mm3 or when ulceration becomes apparent.

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

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    • Do most proteins show cross-species activity?

      Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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