2. PI3K/Akt/mTOR Cell Cycle/DNA Damage
  3. PI3K DNA-PK
  4. PIK-90

PIK-90 is a DNA-PK and PI3K inhibitor, which inhibits p110α, p110γ and DNA-PK with IC50s of 11, 18 and 13 nM, respectively.

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

PIK-90 Chemical Structure

PIK-90 Chemical Structure

CAS No. : 677338-12-4

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1 mg USD 23 In-stock
5 mg USD 50 In-stock
10 mg USD 60 In-stock
50 mg USD 180 In-stock
100 mg USD 310 In-stock
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Customer Review

Based on 3 publication(s) in Google Scholar

PIK-90 Related Antibodies

Top Publications Citing Use of Products

View All PI3K Isoform Specific Products:

View All Isoforms
PI3Kα PI3Kβ PI3Kγ PI3Kδ PI3KC2α PI3KC2β PI3KC2γ Vps34 PI3K PI3KC3 p120γ

  • Biological Activity

  • Protocol

  • Purity & Documentation

  • References

  • Customer Review

Description

PIK-90 is a DNA-PK and PI3K inhibitor, which inhibits p110α, p110γ and DNA-PK with IC50s of 11, 18 and 13 nM, respectively.

IC50 & Target[1]

p110α

11 nM (IC50)

p110γ

18 nM (IC50)

p110δ

58 nM (IC50)

p110β

350 nM (IC50)

hsVPS34

830 nM (IC50)

PI3KC2β

64 nM (IC50)

PI3KC2α

47 nM (IC50)

DNA-PK

13 nM (IC50)

ATM

610 nM (IC50)

PI4KIIIα

830 nM (IC50)

PI4KIIIβ

3.1 μM (IC50)

mTORC1

1.05 μM (IC50)

ATR

15 μM (IC50)

In Vitro

PIK-90 also inhibits p110β, p110δ, PI3KC2α, PI3KC2β, hsVPS34, PI4KIIIα, PI4KIIIβ, ATR, ATM and mTORC1 with IC50s of 350 nM, 58 nM, 47 nM, 64 nM, 830 nM, 830 nM, 3.1 μM, 15 μM, 610 nM and 1.05 μM, respectively[1]. To determine the effects of PIK-90 on chronic lymphocytic leukemia (CLL) cell viability, CLL cells from different patients are incubated with various concentrations of PIK-90 (1 μM and 10 μM) for 24, 48, and 72 hours. PIK-90 reveals the strong apoptosis-inducing effects at both concentrations and at all different time points. Using a concentration of 10 μM, PIK-90 reduces the viability of CLL cells to 51.1% plus or minus 6.6% at 24 hours, whereas 1 μM PIK-90 reduces the viability to 77.8% plus or minus 6.4%[2].

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

PIK-90 Related Antibodies
In Vivo

To test the efficacy of Roscovitine and PIK-90 in vivo, GBM43 cells are implanted s.c. into nude mice. Mice with established tumors are randomized into four treatment groups: vehicle (PBS:H2O), Roscovitine, PIK-90, or PIK-90 plus Roscovitine. After 12 d of treatment, both Roscovitine and PIK-90 show clear single-agent efficacy, with tumor size in mice treated with Roscovitine and PIK-90 in combination significantly smaller than either vehicle or monotherapy-treated controls. Roscovitine is less effective than PIK-90 in blocking proliferation (levels of Ki-67), whereas combination therapy shows essentially additive antiproliferative effects[3].

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

351.36

Formula

C18H17N5O3
CAS No.
Appearance

Solid

Color

Off-white to yellow

SMILES

O=C(NC1=NC2=C(C3=NCCN13)C=CC(OC)=C2OC)C4=CC=CN=C4
Shipping

Room temperature in continental US; may vary elsewhere.
Storage
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 2 years
-20°C 1 year
Solvent & Solubility
In Vitro: 

DMSO : 6.67 mg/mL (18.98 mM; ultrasonic and adjust pH to 2 with HCl; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 2.8461 mL 14.2304 mL 28.4608 mL
5 mM 0.5692 mL 2.8461 mL 5.6922 mL
View the Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

  • Molarity Calculator

  • Dilution Calculator

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

Mass
=
Concentration
×
Volume
×
Molecular Weight *

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start)

C1

×
Volume (start)

V1

=
Concentration (final)

C2

×
Volume (final)

V2

In Vivo:

Select the appropriate dissolution method based on your experimental animal and administration route.

For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for in vivo experiments, it is recommended to prepare freshly and use it on the same day.
The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.

  • Protocol 1

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

    Solubility: ≥ 0.67 mg/mL (1.91 mM); Clear solution

    This protocol yields a clear solution of ≥ 0.67 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (6.7 mg/mL) to 400 μL PEG300, and mix evenly; then add 50 μL Tween-80 and mix evenly; then add 450 μL Saline to adjust the volume to 1 mL.

    Preparation of Saline: Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution.
  • Protocol 2

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

    Solubility: ≥ 0.67 mg/mL (1.91 mM); Clear solution

    This protocol yields a clear solution of ≥ 0.67 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (6.7 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.

    Preparation of 20% SBE-β-CD in Saline (4°C, storage for one week): 2 g SBE-β-CD powder is dissolved in 10 mL Saline, completely dissolve until clear.
In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:

Dosage

mg/kg

Animal weight
(per animal)

g

Dosing volume
(per animal)

μL

Number of animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
%
DMSO +
% 
+
%
Tween-80 +
%
Saline
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
The co-solvents required include: DMSO, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).
Calculation results:
Working solution concentration: mg/mL
Method for preparing stock solution: mg drug dissolved in μL  DMSO (Stock solution concentration: mg/mL).
The concentration of the stock solution you require exceeds the measured solubility. The following solution is for reference only. If necessary, please contact MedChemExpress (MCE).
Method for preparing in vivo working solution for animal experiments: Take μL DMSO stock solution, add μL . μL , mix evenly, next add μL Tween 80, mix evenly, then add μL Saline.
 If the continuous dosing period exceeds half a month, please choose this protocol carefully.
Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
Purity & Documentation

Purity: 99.70%

COA (258 KB) LCMS (121 KB)

Handling Instructions (2659 KB)
References
Cell Assay
[2]

To determine the viability of CLL B cells, 200 μL cells are removed from the wells of a 24-well plate at the indicated time points and incubated for 15 minutes in fluorescence-activated cell sorter buffer (RPMI+0.5% BSA) containing 40 nM 3,3′-dihexyloxacarbocyanine iodide (DiOC6) and 10 μg/mL Propidium iodide (PI). Within 30 minutes, the cells are then analyzed by flow cytometry. Viable cells show high DiOC6 and low PI fluorescence, whereas apoptotic cells have low DiOC6 and PI fluorescence; necrotic cells are characterized by low DiOC6 and high PI fluorescence. The normal PBMCs are also cultured under the same conditions, with or without the various PI3K inhibitors (e.g., PIK-90, 1 μM and 10 μM), Fludarabine, and with or without stromal cell support, and their viability is also determined by staining with DiOC6 and PI[2].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.
Animal Administration
[3]

Mice[3]
Human primary GBM43 cells (106) are injected s.c. just caudal to the left forelimb in 4- to 6-wk-old female BALB/c nu/nu mice. After tumors are established (50-100 mm3), mice are randomly allocated to daily i.p. treatment with 40 mg/kg PIK-90 (DMSO:H2O), 50 mg/kg Roscovitine (DMSO:PBS), 40 mg/kg PIK-90 plus 50 mg/kg Roscovitine, and DMSO:H2O:PBS (control). Tumor diameters are measured with calipers at 3-d intervals, and volumes are calculated.

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

Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 2.8461 mL 14.2304 mL 28.4608 mL 71.1521 mL
5 mM 0.5692 mL 2.8461 mL 5.6922 mL 14.2304 mL
10 mM 0.2846 mL 1.4230 mL 2.8461 mL 7.1152 mL
15 mM 0.1897 mL 0.9487 mL 1.8974 mL 4.7435 mL
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PIK-90 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.

Keywords:

PIK-90677338-12-4PIK90PIK 90PI3KDNA-PKPhosphoinositide 3-kinaseDNA-dependent protein kinaseInhibitorinhibitorinhibit

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