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MilliporeSigma

P1860

Protease Inhibitor Cocktail

DMSO solution, for the inhibition of serine, cysteine, aspartic proteases and aminopeptidases, for use in tissue culture media, DMSO solution

Synonym(s):

Protease Inhibitor Solution, protease inhibitor

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1 ML

$175.00

$175.00


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About This Item

EC Number:
MDL number:
UNSPSC Code:
12352200
NACRES:
NA.77
Form:
DMSO solution
Solubility:
water: soluble
Storage temp.:
−20°C

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Product Name

Protease Inhibitor Cocktail, for use in tissue culture media, DMSO solution

Quality Level

form

DMSO solution

solubility

water: soluble

shipped in

dry ice

storage temp.

−20°C

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This Item
P8215P9599P8340
form

DMSO solution

form

DMSO solution

form

DMSO solution

form

DMSO solution

Quality Level

200

Quality Level

300

Quality Level

300

Quality Level

300

shipped in

dry ice

shipped in

-

shipped in

-

shipped in

-

storage temp.

−20°C

storage temp.

−20°C

storage temp.

−20°C

storage temp.

−20°C

General description

Protease Inhibitor Cocktail demonstrated non-toxicity towards the following cell lines after 48 hours exposure:
A431, CHO, COS, HepG2, and HeLa adherent cell lines
Jurkat and HL-60 cell lines grown in suspension
The Protease Inhibitor Cocktail is a mixture of protease inhibitors designed to prevent proteolytic degradation of secreted proteins in tissue culture media.

Application

Protease Inhibitor Cocktail has been used:
  • as a supplement in supernatants and lysates for ex vivo infection experiments using human precision-cut lung slices (PCLS)[1]
  • to inhibit proteolysis by trypsin to prove that proteolysis is responsible for restoration of catalysis of corona-inhibited nanozymes[2]
  • in trypsin solution for trypsin-inhibited studies[2]
  • as a component in radioimmunoprecipitation assay (RIPA) buffer to lyse leukocytes for western blot[3]

This product is specifically optimized for use in tissue culture media and can be added after 48 hours of exposure to fresh medium to ensure the continued inhibition of proteases.

Biochem/physiol Actions

Inhibits serine, cysteine, aspartic proteases, and aminopeptidases
Protease inhibitor cocktail is designed for use in tissue culture media. It is recommended as an additive to tissue culture media to safeguard against the degradation of secreted proteins originating from the cultured tissue.

Features and Benefits

  • Broad specificity
  • Non-toxic: After 48 hours exposure, the product is non-toxic to adherent cell lines A431, CHO, COS, HepG2 and HeLa; and to Jurkat and HL-60 cell lines grown in suspension.
  • Contains no metal chelators: Ensures compatibility with downstream applications
  • Convenient packaging: 1 mL in glass bottle
  • Easy to use: Use at a dilution of 1:200 or more in tissue culture media to prevent proteolytic degradation of secreted proteins.

Physical form

Solution in DMSO (D 2650, Hybri-Max).

Preparation Note

Use at a dilution of 1:200 or more in tissue culture media to prevent proteolytic degradation of secreted proteins.

Other Notes

Aprotinin
Bestatin
E-64
Leupeptin
Pepstatin A
For R&D use only. Not for drug, household, or other uses. Please consult the Safety Data Sheet for information regarding hazards and safe handling practices.

Disclaimer

After 48 hours exposure, the product is non-toxic to adherent cell lines A431, CHO, COS, HepG2 and HeLa; and to Jurkat and HL-60 cell lines grown in suspension.

Storage Class

10 - Combustible liquids

wgk_germany

WGK 1

flash_point_f

188.6 °F

flash_point_c

87 °C


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Intracellular activation of bioorthogonal nanozymes through endosomal proteolysis of the protein corona
Zhang X, et al.
ACS Nano, 14(4), 4767-4773 (2020)
Yu Li et al.
Animals : an open access journal from MDPI, 10(4) (2020-04-02)
Dairy cows usually experience negative energy balance coupled with an increased incidence of fatty liver during the periparturient period. The purpose of this study was to investigate the effect of hepatic steatosis on the expression of the sirtuin 1 (SIRT1)
Olga V Nikolskaia et al.
The Journal of clinical investigation, 116(10), 2739-2747 (2006-09-26)
In this study we investigated why bloodstream forms of Trypanosoma brucei gambiense cross human brain microvascular endothelial cells (BMECs), a human blood-brain barrier (BBB) model system, at much greater efficiency than do T. b. brucei. After noting that T. b.
Noëlle Dommann et al.
Cancers, 12(7) (2020-07-19)
Colorectal cancer, along with its high potential for recurrence and metastasis, is a major health burden. Uncovering proteins and pathways required for tumor cell growth is necessary for the development of novel targeted therapies. Ajuba is a member of the
Matthew Townsend et al.
The Journal of physiology, 572(Pt 2), 477-492 (2006-02-14)
The accumulation of amyloid beta-protein (Abeta) in brain regions serving memory and cognition is a central pathogenic feature of Alzheimer's disease (AD). We have shown that small soluble oligomers of human Abeta that are naturally secreted by cultured cells inhibit

Articles

While aprotinin and bovine pancreatic trypsin inhibitor (BPTI) are the same protein sequence, the term aprotinin is typically used when describing the protein derived from bovine lung.

Related Content

Select different protease inhibitor types based on your needs to prevent protein degradation during isolation and characterization and safeguard proteins in sample prep.

Questions

1–2 of 2 Questions  
  1. I want to use this protease inhibitor cocktail in the context of mouse acinar cell primary culture for 7 days. What concentration of the Cocktail would you suggest?

    1 answer
    1. This protease inhibitor cocktail is designed for use in tissue culture media. Testing has not been conducted on mouse acinar cell primary culture. This product was found to be non-toxic to the following cell lines after 48 hours of exposure: A431, CHO, COS, HepG2, and HeLa adherent cell lines, as well as Jurkat and HL-60 cell lines grown in suspension. The suitability for specific applications should be determined empirically by the end user.

      Helpful?

  2. What are the concentrations of the individual protease inhibitor components in the cocktail?

    1 answer
    1. The concentrations of the individual protease inhibitor components are considered proprietary and are not published.

      Helpful?

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