1. PI3K/Akt/mTOR
    Autophagy
    Apoptosis
  2. mTOR
    Autophagy
    Mitophagy
    Apoptosis
  3. Torkinib

Torkinib (Synonyms: PP 242)

Cat. No.: HY-10474 Purity: 98.76%
Handling Instructions

Torkinib (PP242) est un inhibiteur de mTOR qui est sélectif et compétitif avec un IC50 de 8 nM. PP242 inhibe mTORC1 et mTORC2 avec des IC50s de 30 nM et 58 nM, respectivement.

Torkinib (PP 242) is a selective and ATP-competitive mTOR inhibitor with an IC50 of 8 nM. PP242 inhibits both mTORC1 and mTORC2 with IC50s of 30 nM and 58 nM, respectively.

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

Torkinib Chemical Structure

Torkinib Chemical Structure

CAS No. : 1092351-67-1

Size Price Stock Quantity
10 mM * 1 mL in DMSO USD 66 In-stock
Estimated Time of Arrival: December 31
5 mg USD 60 In-stock
Estimated Time of Arrival: December 31
10 mg USD 78 In-stock
Estimated Time of Arrival: December 31
50 mg USD 156 In-stock
Estimated Time of Arrival: December 31
100 mg USD 264 In-stock
Estimated Time of Arrival: December 31
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Customer Review

Based on 10 publication(s) in Google Scholar

Top Publications Citing Use of Products

    Torkinib purchased from MCE. Usage Cited in: Acta Pharm Sin B. 2020 Jan.

    ECa109 cells stably transfected with control shRNA or RICTOR shRNA were treated with RAD001 (10 μmol/L) or PP242 (2 μmol/L) for 48 h, and total proteins were extracted to analysis the expression of RICTOR, p-AKT (Ser473), AKT, p-PRAS40 (Thr246), PRAS40, p-p70S6K and p70S6K by Western blot (n=5).

    Torkinib purchased from MCE. Usage Cited in: Acta Pharm Sin B. 2020 Jan.

    Total proteins in tumor tissues from nude mice were extracted and the expressions of RICTOR, p-AKT (Ser473), AKT, p-PRAS40 (Thr246), PRAS40, p-p70S6K (Thr389) and p70S6K were evaluated by Western blot (n=5). Values represent the mean±SD.

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    Description

    Torkinib (PP 242) is a selective and ATP-competitive mTOR inhibitor with an IC50 of 8 nM[1]. PP242 inhibits both mTORC1 and mTORC2 with IC50s of 30 nM and 58 nM, respectively[2].

    IC50 & Target

    mTOR

    8 nM (IC50)

    mTORC1

    30 nM (IC50)

    mTORC2

    58 nM (IC50)

    p110δ

    100 nM (IC50)

    PDGFR

    410 nM (IC50)

    DNA-PK

    410 nM (IC50)

    p110γ

    1.3 μM (IC50)

    p110α

    2 μM (IC50)

    p110β

    2.2 μM (IC50)

    Hck

    1.2 μM (IC50)

    Scr

    1.4 μM (IC50)

    VEGFR2

    1.5 μM (IC50)

    Abl

    3.6 μM (IC50)

    EphB4

    3.4 μM (IC50)

    EGFR

    4.4 μM (IC50)

    Scr(T338I)

    5.1 μM (IC50)

    Autophagy

     

    Mitophagy

     

    In Vitro

    Torkinib (PP 242) potently inhibits mTOR (IC50=8 nM) but is much less active against other PI3K family members. Testing of Torkinib (PP 242) against 219 protein kinases reveals remarkable selectivity relative to the protein kinome: at a concentration 100-fold above its IC50 for mTOR, Torkinib (PP 242) inhibits only one kinase by more than 90% (Ret) and only three by more than 75% (PKCα, PKCβII and JAK2V617F)[1]. Torkinib (PP 242) has a dose-dependent effect on proliferation and at higher doses is much more effective than Rapamycin at blocking cell proliferation. The ability of Torkinib (PP 242) to block cell proliferation more efficiently than Rapamycin could be a result of its ability to inhibit mTORC1 and mTORC2, because Rapamycin can only inhibit mTORC1. In SIN1-/- mouse embryonic fibroblasts (MEFs), Rapamycin is also less effective at blocking cell proliferation than Torkinib. That Torkinib (PP 242) and Rapamycin exhibit very different anti-proliferative effects in SIN1-/- MEFs suggests that the two compounds differentially affect mTORC1[2].

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

    In Vivo

    In fat and liver, Torkinib (PP 242) is able to completely inhibit the phosphorylation of Akt at S473 and T308, consistent with its effect on these phosphorylation sites observed in cell culture. Surprisingly, Torkinib (PP 242) is only partially able to inhibit the phosphorylation of Akt in skeletal muscle and is more effective at inhibiting the phosphorylation of T308 than S473, despite it's ability to fully inhibit the phosphorylation of 4EBP1 and S6. These results will be confirmed by in vivo dose-response experiments, but, consistent with the partial effect of Torkinib (PP 242) on pAkt in skeletal muscle, a muscle-specific knockout of the integral mTORC2 component rictor resulted in only a partial loss of Akt phosphorylation at S473. These results suggest that a kinase other than mTOR, such as DNA-PK, may contribute to phosphorylation of Akt in muscle[2].

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

    Molecular Weight

    308.34

    Formula

    C₁₆H₁₆N₆O

    CAS No.

    1092351-67-1

    SMILES

    NC1=C2C(N(N=C2C3=CC4=C(N3)C=CC(O)=C4)C(C)C)=NC=N1

    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 : 50 mg/mL (162.16 mM; Need ultrasonic)

    Preparing
    Stock Solutions
    Concentration Solvent Mass 1 mg 5 mg 10 mg
    1 mM 3.2432 mL 16.2159 mL 32.4317 mL
    5 mM 0.6486 mL 3.2432 mL 6.4863 mL
    10 mM 0.3243 mL 1.6216 mL 3.2432 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 (8.11 mM); Clear solution

    • 2.

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

      Solubility: ≥ 2.5 mg/mL (8.11 mM); Clear solution

    • 3.

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

      Solubility: ≥ 2.5 mg/mL (8.11 mM); Clear solution

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

    Wild-type and SIN1-/- MEFs are plated in 96-well plates at approximately 30% confluence and left overnight to adhere. The following day cells are treated with Torkinib (PP 242) (1 nM, 10 nM, 100 nM, 1 μM, and 10 μM), Rapamycin, or vehicle (0.1% DMSO). After 72 h of treatment, 10 μL of 440 μM resazurin sodium salt is added to each well, and after 18 h, the florescence intensity in each well is measured using a top-reading florescent plate reader with excitation at 530 nm and emission at 590 nm[2].

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

    Animal Administration
    [2]

    Mice[2]
    Six-wk-old male C57BL/6 mice are fasted overnight prior to drug treatment. Torkinib (PP 242) (0.4 mg), Rapamycin (0.1 mg), or vehicle alone is injected IP. After 30 min for the Rapamycin-treated mouse or 10 min for the Torkinib (PP 242) and vehicle-treated mice, 250 mU of insulin in 100 μL of saline is injected IP. 15 min after the insulin injection, the mice are killed by CO2 asphyxiation followed by cervical dislocation. Tissues are harvested and frozen on liquid nitrogen in 200 μL of cap lysis buffer. The frozen tissue is thawed on ice, manually disrupted with a mortar and pestle, and then further processed with a micro tissue-homogenizer. Protein concentration of the cleared lysate is measured by Bradford assay and 5-10 μg of protein is analyzed by Western blot[2].

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

    References

    Purity: 98.76%

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    Keywords:

    TorkinibPP 242PP242PP-242mTORAutophagyMitophagyApoptosisMammalian target of RapamycinMitochondrial AutophagyInhibitorinhibitorinhibit

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