Reagents and instruments for immunology, cell biology and molecular biology.
 
> DPTIP [351353-48-5]

DPTIP [351353-48-5]

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Cat# HY-131002-10mg

Size : 10mg

Brand : MedChemExpress

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Description

DPTIP is a potent brain penetrant neutral sphingomyelinase 2 (N-SMase 2) inhibitor (exosome inhibitor), with an IC50 of 30 nM[1][2].

Cellular Effect
Cell Line Type Value Description References
HEK293 IC50
0.03 μM
Compound: DPTIP
Inhibition of human recombinant nSMase expressed in HEK293 cells using sphingomyelin as substrate by alkaline phosphatase, choline oxidase and horseradish peroxidase dependent H2O2 detection based fluorescence coupled assay
Inhibition of human recombinant nSMase expressed in HEK293 cells using sphingomyelin as substrate by alkaline phosphatase, choline oxidase and horseradish peroxidase dependent H2O2 detection based fluorescence coupled assay
[PMID: 30921693]
HEK293 IC50
30 nM
Compound: DPTIP
Inhibition of human recombinant full-length nSMase expressed in HEK293 cells using sphingomyelin as substrate measured after 1 hr by alkaline phosphatase, choline oxidase and horseradish peroxidase dependent H2O2 detection-coupled amplex reagent based flu
Inhibition of human recombinant full-length nSMase expressed in HEK293 cells using sphingomyelin as substrate measured after 1 hr by alkaline phosphatase, choline oxidase and horseradish peroxidase dependent H2O2 detection-coupled amplex reagent based flu
[PMID: 32298582]
In Vitro

DPTIP blocks EV secretion in a dose dependent manner (0.03-30 μM), and at 30 μM, this compound could decrease exosome release by 50% in astrocytes[2].

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

DPTIP Related Antibodies

Solvent & Solubility
In Vitro: 

DMSO : 250 mg/mL (660.61 mM; Need ultrasonic; 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 2.6424 mL 13.2121 mL 26.4243 mL
5 mM 0.5285 mL 2.6424 mL 5.2849 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, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

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: 2.08 mg/mL (5.50 mM); Suspended solution; Need ultrasonic

    This protocol yields a suspended solution of 2.08 mg/mL. Suspended solution can be used for oral and intraperitoneal injection.

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 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.
Purity & Documentation
References

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