1. PI3K/Akt/mTOR
    Apoptosis
  2. PI3K
    Apoptosis
  3. PF-4989216

PF-4989216 

Cat. No.: HY-13864 Purity: 99.43%
Handling Instructions

PF-4989216 is a potent and selective PI3Kα inhibitor with a Ki of 0.6 nM.

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

PF-4989216 Chemical Structure

PF-4989216 Chemical Structure

CAS No. : 1276553-09-3

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10 mM * 1 mL in DMSO USD 139 In-stock
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Based on 1 publication(s) in Google Scholar

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Description

PF-4989216 is a potent and selective PI3Kα inhibitor with a Ki of 0.6 nM.

IC50 & Target[1]

PI3Kα

0.6 nM (Ki)

mTOR

1440 nM (Ki)

In Vitro

PF-4989216 (Compound 10) has excellent PI3Kα Ki (0.6 nM), good cellular potency (S473 IC50=79 nM), and good selectivity against mTOR (mTOR Ki=1440 nM). PF-4989216 has PI3Kα Ki less than 1 nM and mTOR Ki more than 1 μM. PF-4989216 also has excellent selectivity over 40 other kinases, and no major CYP inhibitions are observed. Less than 30% inhibition is observed in 1A2, 2C9, 2D6, and 3A4 CYP enzymes at 3 μM[1]. The toxicity of PF-4989216 in several drug-sensitive and MDR cancer cell lines, including cells overexpressing ABCB1 or ABCG2, and in HEK293 cells transfected with human ABCB1 or ABCG2 is determined. PF-4989216 inhibits human colon carcinoma S1 cell line and ABCG2-overexpressing subline S1-M1-80 with IC50s of 1.11±0.09 and 6.79±1.00 uM, respectively. PF-4989216 inhibits human breast carcinoma MCF-7 and ABCG2-overexpressing sublines MCF7-FLV1000 and MCF7-AdVp3000 IC50s of 2.30±0.68, 23.26±2.94 and 62.57±5.46 uM, respectively. PF-4989216 inhibits pcDNA-HEK293, ABCB1-transected MDR19-HEK293, ABCG2-tranfected R482-HEK293 cells with IC50s of 0.44±0.05, 0.38±0.06 and 5.05±0.89 uM, respectively[2].

In Vivo

PF-4989216 (Compound 10) is dosed orally in our in vivo antitumor model, PI3K driven NCI-H1975 xenograft tumors. PF-4989216 demonstrates dose responsive tumor growth inhibitory activity from 25 to 200 mg/kg in QD oral dosing[1].

Molecular Weight

380.40

Formula

C₁₈H₁₃FN₆OS

CAS No.

1276553-09-3

SMILES

N#CC1=C(N2CCOCC2)SC(C3=NC=NN3)=C1C4=CC=C(C#N)C=C4F

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 : ≥ 29 mg/mL (76.24 mM)

*"≥" means soluble, but saturation unknown.

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 2.6288 mL 13.1441 mL 26.2881 mL
5 mM 0.5258 mL 2.6288 mL 5.2576 mL
10 mM 0.2629 mL 1.3144 mL 2.6288 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 (6.57 mM); Clear solution

  • 2.

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

    Solubility: ≥ 2.5 mg/mL (6.57 mM); Clear solution

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

MTT and CCK-8 assays are performed to determine the general sensitivities of cells to the tested drugs. The human colon carcinoma S1 cell line and ABCG2-overexpressing subline S1-M1-80 are treated with PF-4989216 (0.1, 1 and 10 μM). The human breast carcinoma MCF-7 and ABCG2-overexpressing sublines MCF7-FLV1000 and MCF7-AdVp3000 are treated with PF-4989216 (0.1, 1, 10 and 100 μM).The parental HEK293 and ABCG2-tranfected R482-HEK293 cells are treated with PF-4989216 (0.01, 0.1, 1 and 10 μM). For the reversal of cytotoxicity assays, PF-4989216 or Ko143 or Lapatinib at a nontoxic concentration is added into the cytotoxicity assay, and the extent of reversal is then calculated[2].

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

Animal Administration
[1]

Mice[1]
For animal studies, 6-8 week old nu/nu athymic female mice are used. Tumors are established by injecting 2×106 cells suspended 1:1 (v/v) with reconstituted basement membrane. For tumor growth inhibition studies, mice with established tumors of ~150 mm3 are randomized. PF-4989216 (Compound 10) is dosed orally (25, 50, 100 and 200 mg/kg) in a mouse PI3K driven NCI-H1975 xenograft tumor model. Tumor dimensions are measured with vernier calipers, and tumor volumes are calculated. Tumor growth inhibition percentage (TGI %) is calculated.

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

References
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Keywords:

PF-4989216PF4989216PF 4989216PI3KApoptosisPhosphoinositide 3-kinaseInhibitorinhibitorinhibit

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Product Name:
PF-4989216
Cat. No.:
HY-13864
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