M-PER™ Mammalian Protein Extraction Reagent
M-PER™ Mammalian Protein Extraction Reagent
Thermo Scientific™

M-PER™ Mammalian Protein Extraction Reagent

Thermo Scientific M-PER Mammalian Protein Extraction Reagent is designed to provide highly efficient total soluble protein extraction from cultured mammalianRead more
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Catalog NumberQuantity
785051 L
78501250 mL
7850325 mL
Catalog number 78505
Price (BRL)
8.019,64
Each
Add to cart
Quantity:
1 L
Request bulk or custom format
Price (BRL)
8.019,64
Each
Add to cart
Thermo Scientific M-PER Mammalian Protein Extraction Reagent is designed to provide highly efficient total soluble protein extraction from cultured mammalian cells.

Features of M-PER Mammalian Protein Extraction Reagent:

Gentle—mild detergent lysis, yielding extracts that are immediately compatible with coomassie (Bradford) and BCA protein assays or SDS-PAGE
Compatible—extracts soluble proteins in nondenatured state, enabling direct use in immunoprecipitation and other affinity purification procedures
Amine-free and dialyzable—formulation ensures compatibility with subsequent assay systems
Convenient—lyse adherent cells directly in plate or after scraping and washing in suspension
Non-denaturing—maintain activity of luciferase, beta-galactosidase, CAT and other reporter genes as well or better than other suppliers' products and freeze/thaw methods

Product Details

The complete cell lysis reagent contains a mild, nondenaturing detergent that dissolves cell membranes to extract and solubilize total protein from most cellular compartments. Extraction is accomplished in only 5 minutes and requires little or no additional mechanical disruption. M-PER reagent is formulated for minimal interference with downstream biological applications. The reagent has been validated for use with several cell lines, including primary, suspension and adherent cell types; the resulting cell lysates are compatible with many downstream assays including immunoassays, enzyme assays and a variety of common reporter assays.

Cellular protein extraction—cell lysis to release the proteins of interest—is a key first step in many proteomics analysis procedures. M-PER reagent is designed to efficiently extract soluble protein from a variety of cell types, including primary cells and cells grown in suspension or adherent culture conditions. Performance of M-PER reagent was evaluated for yields of both total protein and specific target proteins from the various cellular compartments. Additionally, because M-PER reagent is formulated with dialyzable components that are devoid of primary amines, it is more compatible with certain downstream applications, such as luciferase, beta-galactosidase, and CAT assays, than other protein extraction methods.

Related Products
T-PER™ Tissue Protein Extraction Reagent
For Research Use Only. Not for use in diagnostic procedures.
Specifications
FormatLiquid
Quantity1 L
Volume (Metric)1 L
Product LineM-PER
Product TypeProtein Extraction Reagent
Unit SizeEach
Contents & Storage
Upon receipt store product at room temperature.

Frequently asked questions (FAQs)

What are the standard lysis buffers used with mammalian cells for detection of protein expression by immunoprecipitation (IP) or Western blot analysis?

The most commonly used buffer is RIPA Buffer with SDS. We offer RIPA Buffer (Cat. Nos. 89900 and 89901). We also offer the Pierce IP Lysis buffer (Cat. Nos. 87787 and 87788) as well as M-PER (Cat. Nos. 78501, 78503, and 78505).

Find additional tips, troubleshooting help, and resources within our Cell Lysis and Fractionation Support Center.

Is the M-PER Mammalian Protein Extraction Reagent (Cat. No. 78501, 78503, 78505) compatible with Mass spectrometry (MS)?

As any other lysis reagent, M-PER has detergent and salts in its composition, and both type of components need to be removed before the MS analysis, as they will interfere with the analysis. According to the workflow used in the MS analysis, those might be removed before the MS analysis. We recommend removing detergents at the protein level. Both detergent and salts can be removed by dialysis.

Find additional tips, troubleshooting help, and resources within our Mass Spectrometry Support Center.

Can you provide the shelf-life for the M-PER Mammalian Protein Extraction Reagent?

The M-PER Mammalian Protein Extraction Reagent is covered under our general 1-year warranty and is guaranteed to be fully functional for 12 months from the date of shipment, if stored as recommended (room temperature). Please see section 8.1 of our Terms & Conditions of Sale (https://www.thermofisher.com/content/dam/LifeTech/Documents/PDFs/Terms-and-Conditions-of-Sale.pdf) for more details.

Find additional tips, troubleshooting help, and resources within our Protein Purification and Isolation Support Center.

Will M-PER Mammalian Protein Extraction Reagent extract membrane or cytoskeletal proteins?

M-PER Mammalian Protein Extraction Reagent can extract some membrane or cytoskeletal proteins, but the extraction efficiency is not consistent. The reagent was not intended to specifically extract these proteins. We recommend using Mem-PER Plus Membrane Protein Extraction Kit (Cat. No. 89842) for membrane protein extraction or Subcellular Protein Fractionation Kit for Cultured Cells (Cat. No. 78840) for compartmental extraction.

Find additional tips, troubleshooting help, and resources within our Cell Lysis and Fractionation Support Center.

When using the M-PER Mammalian Protein Extraction Reagent, is it necessary to remove cells from the plate? Should I use scraping or trypsinization to remove the cells from the plate?

M-PER reagent works very well with adherent and suspension cells, making it unnecessary to separate the cells from the plate. However, if cell removal is desired, scraping is the recommended procedure for removing cells from the plate. Trypsinization is not recommended as the free trypsin left behind in the lysis solution can damage lysed proteins.

Find additional tips, troubleshooting help, and resources within our Protein Purification and Isolation Support Center.

Citations & References (12)

Citations & References
Abstract
Aromatase promoter I.f is regulated by progesterone receptor in mouse hypothalamic neuronal cell lines.
Authors:Yilmaz MB, Wolfe A, Zhao H, Brooks DC, Bulun SE,
Journal:J Mol Endocrinol
PubMed ID:21628418
'Aromatase catalyzes the conversion of C(19) steroids to estrogens. Aromatase and progesterone, both of which function at different steps of steroidogenesis, are crucial for the sexually dimorphic development of the fetal brain and the regulation of gonadotropin secretion and sexual interest in adults. The aromatase gene (Cyp19a1) is selectively expressed ... More
Rab5 and class III phosphoinositide 3-kinase Vps34 are involved in hepatitis C virus NS4B-induced autophagy.
Authors:Su WC, Chao TC, Huang YL, Weng SC, Jeng KS, Lai MM,
Journal:J Virol
PubMed ID:21835792
'Autophagy has been shown to facilitate replication or production of hepatitis C virus (HCV); nevertheless, how HCV induces autophagy remains unclear. Here, we demonstrate that HCV nonstructural protein 4B (NS4B) alone can induce autophagy signaling; amino acid residues 1 to 190 of NS4B are sufficient for this induction. Further studies ... More
Dual-modality gene reporter for in vivo imaging.
Authors:Patrick PS, Hammersley J, Loizou L, Kettunen MI, Rodrigues TB, Hu DE, Tee SS, Hesketh R, Lyons SK, Soloviev D, Lewis DY, Aime S, Fulton SM, Brindle KM,
Journal:
PubMed ID:24347640
'The ability to track cells and their patterns of gene expression in living organisms can increase our understanding of tissue development and disease. Gene reporters for bioluminescence, fluorescence, radionuclide, and magnetic resonance imaging (MRI) have been described but these suffer variously from limited depth penetration, spatial resolution, and sensitivity. We ... More
Exploitation of conserved eukaryotic host cell farnesylation machinery by an F-box effector of Legionella pneumophila.
Authors:Price CT, Al-Quadan T, Santic M, Jones SC, Abu Kwaik Y,
Journal:J Exp Med
PubMed ID:20660614
'Farnesylation involves covalent linkage of eukaryotic proteins to a lipid moiety to anchor them into membranes, which is essential for the biological function of Ras and other proteins. A large cadre of bacterial effectors is injected into host cells by intravacuolar pathogens through elaborate type III-VII translocation machineries, and many ... More
Intestinal GUCY2C prevents TGF-ß secretion coordinating desmoplasia and hyperproliferation in colorectal cancer.
Authors:Gibbons AV, Lin JE, Kim GW, Marszalowicz GP, Li P, Stoecker BA, Blomain ES, Rattan S, Snook AE, Schulz S, Waldman SA,
Journal:
PubMed ID:24085786
Tumorigenesis is a multistep process that reflects intimate reciprocal interactions between epithelia and underlying stroma. However, tumor-initiating mechanisms coordinating transformation of both epithelial and stromal components are not defined. In humans and mice, initiation of colorectal cancer is universally associated with loss of guanylin and uroguanylin, the endogenous ligands for ... More