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Product Image-786-249

Protein fractionation kit, FOCUS™ Membrane Proteins

Catalog Number: (786-249)
Supplier: G-Biosciences
Description: FOCUS™ Membrane Proteins for the fractionation of highly enriched membrane proteins.
UOM: 1 * 1 KIT
Product Image-786-283

Protein A and G Antibody Purification Kits

Supplier: G-Biosciences
Description: Immobilised Protein A and G are designed for binding the constant domains of immunoglobulin (Ig) molecules. Immobilised Protein A is coupled to 6% highly cross-linked agarose beads by a proprietary coupling method that provides high coupling efficiency for immunoglobulins and minimal protein A leaching. The binding capacity of Protein A is 18 to 43 mg Human IgG per ml resin.

Image Unavailable-APOSBITP1529-1MG

Human recombinant C-reactive protein

Catalog Number: (APOSBITP1529-1MG)
Supplier: Apollo Scientific
Description: Human recombinant C-reactive protein
UOM: 1 * 1 mg
Image Unavailable-APOSBITP1722-1MG

Soybean recombinant P34 Protein

Catalog Number: (APOSBITP1722-1MG)
Supplier: Apollo Scientific
Description: Soybean recombinant P34 Protein
UOM: 1 * 1 mg
Image Unavailable-APOSBITP1723-1MG

Recombinant Der P1 Protein

Catalog Number: (APOSBITP1723-1MG)
Supplier: Apollo Scientific
Description: Recombinant Der P1 Protein
UOM: 1 * 1 mg
Product Image-ROCKPA50-00-0005

Protein A Sepharose™

Supplier: Rockland Immunochemicals
Description: Protein A Sepharose™ is a suspension of beads conjugated to native Protein A derived from <i>Staphylococcus aureaus</i>. Protein A has a high affinity for the Fc regions of IgG molecules from a variety of species, including human, mouse, rat IgG2c, cow IgG2c, goat IgG2, sheep IgG2 and rabbit.

Image Unavailable-APOSBITP1724-1MG

Recombinant Der F1 Protein

Catalog Number: (APOSBITP1724-1MG)
Supplier: Apollo Scientific
Description: Recombinant Der F1 Protein
UOM: 1 * 1 mg
Product Image-STMC78194

Human Recombinant IL-3 (CHO-expressed)

Supplier: STEMCELL Technologies
Description: Interleukin 3 (IL-3) is a species-specific pleiotropic cytokine that promotes the survival and proliferation of pluripotent hematopoietic stem cells and lineage-committed progenitor cells and their differentiation into mature cells of most lineages, including basophils, neutrophils, eosinophils, macrophages, dendritic cells, erythrocytes, and megakaryocytes (Yang <i>et al.</i>; Dorssers <i>et al.</i>; Broughton <i>et al.</i>). IL-3 is produced by activated T cells and has a physiological role in inflammation and allergies by promoting the secretion of inflammatory mediators such as histamine, IL-4, and IL-6 by basophils and eosinophils (Broughton <i>et al.</i>). The IL-3 receptor consists of a unique alpha subunit (CD123) and a beta common subunit (βc or CD131) that is shared with the receptors for IL-5 and GM-CSF, and is the principal signal transduction subunit for these cytokines. IL-3 binding to the heterodimeric receptor activates JAK/STAT, MAPK, and PI3K signaling pathways (Woodcock <i>et al.</i>).

Product Image-STMC78220.2

Human Recombinant IL-2 (E. coli expressed)

Supplier: STEMCELL Technologies
Description: Interleukin 2 (IL-2) is a monomeric cytokine that was originally identified as a T cell growth factor (Gaffen and Liu). It binds to heterotrimeric receptors consisting of CD25, CD122, and CD132. Upon binding, it activates JAK3-, STAT5-, and AKT-dependent signaling pathways, which results in cellular proliferation and survival (Ma <i>et al.</i>). The majority of IL-2 is secreted by activated CD4+ and CD8+ T cells, although B cells and dendritic cells were found to produce IL-2 in small amounts. IL-2 downregulates immune responses to prevent autoimmunity during thymic development, influences the development of CD4+CD25+ regulatory T cells, and affects development of follicular helper T cells. IL-2 also controls inflammation by inhibiting Th17 differentiation (Banchereau <i>et al.</i>). High IL-2 levels in serum are associated with progression of scleroderma, rheumatoid arthritis, and gastric and non-small cell lung cancer, though no known disease can be directly attributed to the lack or excess of IL-2 (Gaffen and Liu).

Product Image-STMC78113

Human Recombinant IFN-beta (HEK293-expressed)

Supplier: STEMCELL Technologies
Description: Use Interferon beta (IFN-β) to modulate the activity of genes that control dendritic cell activation, T cell survival, NK cell activation, chemokine expression, lymph node retention, and antiproliferative and antiviral effects (Dunn <i>et al.</i> Nat Rev Immunol, 2006). IFN-β binds to a receptor complex composed of IFNAR1 and IFNAR2, and initiates signal transduction via the JAK/STAT pathway. It is predominantly produced by fibroblasts, with smaller amounts from plasmocytoid dendritic cells. Macrophages and endothelial cells secrete IFN-β in response to viral infection (Reder and Feng. Front Immunol, 2013). IFN-β suppresses Th17 cells by affecting expression of IL-4, IL-10, and IL-27, and is a first-line treatment for multiple sclerosis. IFN-β was also shown to expand regulatory T cells and limit T cell trafficking to the central nervous system (Inoue and Shinohara. Immunology, 2013). Of the two IFN-β variants (IFN-β1 and IFN-β3), this product is the IFN-β1 form.

Product Image-STMC78213.1

Human Recombinant R-Spondin-1 (CHO-expressed)

Supplier: STEMCELL Technologies
Description: R-Spondin-1 (RSPO1) is the prototype member of the R-Spondin (RSPO) protein subfamily of a superfamily of thrombospondin type 1 repeat (TSR-1)-containing proteins (Chen <i>et al.</i>; Kamata <i>et al.</i>; Kazanskaya <i>et al.</i>; Kim <i>et al.</i>). Although unable to initialize signaling, RSPO family members are potent enhancers of WNT signaling (Cruciat and Niehrs; de Lau <i>et al.</i>; Kamata <i>et al.</i>; Kazanskaya <i>et al.</i>). They are characterized by a TSR-1 domain, a carboxy-terminal region with positively charged amino acids, and two N-terminal furin-like cysteine-rich repeats (Glinka <i>et al.</i>; Kazanskaya <i>et al.</i>). R­-Spondin-1 activates β­-catenin signaling via the WNT signaling cascade and by indirectly increasing low-density lipoprotein receptor-related protein 6 (LRP6) on the cell surface. It does this by binding leucine-rich repeat-containing G-protein-coupled receptor 5 (LGR5), and competing with WNT antagonist DKK­1 for binding to the WNT co­receptors, Kremen and LRP­6, which reduces DKK­1-­mediated internalization of LRP6 (Binnerts <i>et al.</i>). RSPO1 is involved in a wide range of pleiotropic roles during embryogenesis, it is required for the specification of hematopoietic stem cells, and it has been shown to be important in the growth, survival, and migration of ovarian cancer cells (Cruciat and Niehrs; de Lau <i>et al.</i>; Genthe and Clements; Liu <i>et al.</i>).

Product Image-STMC78036.1

Human Recombinant IL-2 (CHO-expressed)

Supplier: STEMCELL Technologies
Description: Interleukin 2 (IL-2) is a monomeric cytokine that was originally identified as a T cell growth factor (Gaffen and Liu). It binds to heterotrimeric receptors consisting of CD25, CD122, and CD132. Upon binding, it activates JAK3-, STAT5-, and AKT-dependent signaling pathways, which results in cellular proliferation and survival (Ma <i>et al.</i>). The majority of IL-2 is secreted by activated CD4+ and CD8+ T cells, although B cells and dendritic cells were found to produce IL-2 in small amounts. IL-2 downregulates immune responses to prevent autoimmunity during thymic development, influences the development of CD4+CD25+ regulatory T cells, and affects development of follicular helper T cells. IL-2 also controls inflammation by inhibiting Th17 differentiation (Banchereau <i>et al.</i>). High IL-2 levels in serum are associated with progression of scleroderma, rheumatoid arthritis, and gastric and non-small cell lung cancer, though no known disease can be directly attributed to the lack or excess of IL-2 (Gaffen and Liu).

Product Image-1B1301-KIT

VWR® Protein Precipitation Kit

Catalog Number: (1B1301-KIT)
Supplier: VWR Chemicals
Description: The Protein Precipitation Kit utilises a simple trichloroacetic acid (TCA) based method to precipitate proteins in complex mixtures. Only protein in the sample is pelleted, while interfering salts and surfactants remain in the supernatant. A gentle acetone wash removes TCA and co-precipitants allowing the end-user to recover the protein in a small volume of buffer.
UOM: 1 * 1 KIT
Image Unavailable-APOSBITP1617-1MG

Recombinant bacterial outer membrane protein-A

Catalog Number: (APOSBITP1617-1MG)
Supplier: Apollo Scientific
Description: Recombinant bacterial outer membrane protein-A
UOM: 1 * 1 mg
Product Image-786-250

Protein fractionation kit, FOCUS™ signal proteins

Catalog Number: (786-250)
Supplier: G-Biosciences
Description: Lipid rafts are membrane microdomains that are enriched in caveolin, cholesterol, glycolipids, sphingolipids and glycosyl-phosphatidylinositol. Lipid rafts are also known as detergent-insoluble glycolipid-enriched complexes (GEMs) or DIGs. Many signalling proteins, including glycosylphosphatidylinositol (GPI)-anchored proteins, doubly-acylated tyrosine kinases of the Src family, and transmembrane proteins, are located in lipid rafts. Lipid raft localised proteins have been shown to be involved in intracellular membrane trafficking and signalling.
UOM: 1 * 1 KIT
Product Image-STMC78060.1

Human Recombinant Noggin (CHO-expressed)

Supplier: STEMCELL Technologies
Description: Noggin binds to and antagonizes bone morphogenetic protein (BMP) ligands of the transforming growth factor beta (TGF-β) family. Noggin supports maintenance of undifferentiated human embryonic stem cells in vitro, and can be used to prevent spontaneous differentiation in the short term (Chaturvedi <i>et al.</i>). Noggin is essential for development of structures derived from ectoderm embryonic somite, skeletal patterning, and neurogenesis in vivo. It also influences chondrogenesis, osteogenesis, and joint formation (Krause <i>et al.</i>), and promotes dopaminergic differentiation of embryonic stem cells and subsequent survival of dopamine neurons (Chiba <i>et al.</i>).

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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at +43 1 97002 - 0.
Dual use goods can only be delivered within the European Union.
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This product is no longer available. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service at +43 1 97002 - 0.
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