1. PI3K/Akt/mTOR Apoptosis Autophagy
  2. Akt Apoptosis Autophagy
  3. Pifusertib hydrochloride

Pifusertib hydrochloride  (Synonyms: TAS-117 hydrochloride)

Cat. No.: HY-19934A Purity: 98.96%
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Pifusertib (TAS-117) hydrochloride is a potent, selective, orally active allosteric Akt inhibitor (with IC50s of 4.8, 1.6, and 44 nM for Akt1, 2, and 3, respectively). Pifusertib hydrochloride triggers anti-myeloma activities and enhances fatal endoplasmic reticulum (ER) stress induced by proteasome inhibition. Pifusertib hydrochloride induces apoptosis and autophagy.

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

Pifusertib hydrochloride Chemical Structure

Pifusertib hydrochloride Chemical Structure

CAS No. : 2930090-28-9

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Based on 1 publication(s) in Google Scholar

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Description

Pifusertib (TAS-117) hydrochloride is a potent, selective, orally active allosteric Akt inhibitor (with IC50s of 4.8, 1.6, and 44 nM for Akt1, 2, and 3, respectively). Pifusertib hydrochloride triggers anti-myeloma activities and enhances fatal endoplasmic reticulum (ER) stress induced by proteasome inhibition. Pifusertib hydrochloride induces apoptosis and autophagy[1].

IC50 & Target[1]

Akt1

4.8 nM (IC50)

Akt2

1.6 nM (IC50)

Akt3

44 nM (IC50)

In Vitro

Pifusertib (1 μM; 6 hours) blocks basal phosphorylation of Akt and downstream p-FKHR/FKHRL1 in MM cells with high baseline p-Akt[1].
Pifusertib (0-10 μM; 72 hours) selectively inhibits Akt and induces cytotoxicity in MM cells with high baseline phosphorylation of Akt[1].
Pifusertib abrogates the cytoprotective effect of the bone marrow microenvironment associated with Akt inhibition in both MM cells and BMSCs. Pifusertib enhances Carfilzomib-induced cytotoxicity and fatal ER stress in MM cells. Pifusertib (0.5, 1 μM) triggers G0/G1 arrest followed by apoptosis, associated with induction of autophagy and endoplasmic reticulum stress response[1].
Pifusertib enhances bortezomib-induced cytotoxicity, associated with increased CHOP (a fatal ER-stress marker) and PARP cleavage and blockade of bortezomib-induced p-Akt, suggesting that Pifusertib augments Bortezomib-induced ER stress and apoptotic signaling[1].

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

Cell Viability Assay[1]

Cell Line: MM cell lines
Concentration: 0-10 μM
Incubation Time: 72 hours
Result: Induced significant growth inhibition in MM cell lines with high baseline p-Akt, but not in cell lines with low baseline p-Akt.

Western Blot Analysis[1]

Cell Line: MM.1S, MM.1R, H929, and KMS11 cells
Concentration: 1 μM
Incubation Time: 6 hours
Result: Blocked basal phosphorylation of Akt and downstream p-FKHR/FKHRL1 in MM cells with high baseline p-Akt, but did not inhibit autophosphorylation of PDK1 which phosphorylates Akt at Thr308.
In Vivo

Pifusertib (12-16 mg/kg; p.o.; daily for 5 days a week, 21 days) inhibits tumor growth in murine xenograft models of human MM[1].
Pifusertib enhances bortezomib-induced MM cytotoxicity in vivo[1].

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

Animal Model: SCID mice (xenograft models bearing MM.1S cells)[1]
Dosage: 12, 16 mg/kg
Administration: P.o.; daily for 5 days a week, 21 days
Result: Significantly reduced MM.1S tumor growth versus vehicle control.
Clinical Trial
Molecular Weight

460.96

Formula

C26H25ClN4O2

CAS No.
Appearance

Solid

Color

White to yellow

SMILES

C[C@@](C1)(O)C[C@]1(N)C2=CC=C(C3=C(N(COC4=CC=NC=C45)C5=N3)C6=CC=CC=C6)C=C2.[H]Cl

Shipping

Room temperature in continental US; may vary elsewhere.

Storage

4°C, sealed storage, away from moisture

*In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)

Solvent & Solubility
In Vitro: 

DMSO : 62.5 mg/mL (135.59 mM; ultrasonic and warming and heat to 60°C)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 2.1694 mL 10.8469 mL 21.6939 mL
5 mM 0.4339 mL 2.1694 mL 4.3388 mL
10 mM 0.2169 mL 1.0847 mL 2.1694 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: ≥ 2.08 mg/mL (4.51 mM); Clear solution

  • 2.

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

    Solubility: ≥ 2.08 mg/mL (4.51 mM); Clear solution

  • 3.

    Add each solvent one by one:  10% DMSO    90% Corn Oil

    Solubility: ≥ 2.08 mg/mL (4.51 mM); Clear solution

*All of the co-solvents are available by MedChemExpress (MCE).
Purity & Documentation
References
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Pifusertib hydrochloride Related Classifications

Help & FAQs
  • 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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Product Name:
Pifusertib hydrochloride
Cat. No.:
HY-19934A
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