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STEMCELL Technologies
Numéro de catalogue:
(STMC100-0649)
Fournisseur:
STEMCELL Technologies
Description:
The SARS-CoV-2 (ORF3a) Peptide pool is a lyophilised mixture of 66 peptides from open reading frame 3a (ORF3a) protein of SARS-CoV-2. ORF3a is found in both SARS-CoV and SARS-CoV-2 and the two proteins share high sequence similarity. SARS-CoV ORF3a has been shown to cause apoptosis of infected cells and form potassium-sensitive ion channels, modulating the release of viruses. Additionally, it induces ligand-independent downregulation of Type 1 interferon receptor. The sequence similarity between the two proteins suggests it may play a similar role in SARS-CoV-2. The pool consists of 15-mer peptides with 11-amino-acid overlaps that cover amino acids 1 to 275 on SARS-CoV-2 ORF3a.
UOM:
1 * 1 Kit
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Numéro de catalogue:
(STMC100-0756)
Fournisseur:
STEMCELL Technologies
Description:
Mouse monoclonal IgG1 antibody against human angiotensin-converting enzyme 2 (ACE2).
UOM:
1 * 1 EA
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Numéro de catalogue:
(STMC100-0945)
Fournisseur:
STEMCELL Technologies
Description:
Serum-free methylcellulose-based medium with recombinant cytokines for human hematopoietic cells.
UOM:
1 * 100 mL
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Numéro de catalogue:
(STMC05980)
Fournisseur:
STEMCELL Technologies
Description:
Serum-free supplement and attachment substrate for the derivation and expansion of human skeletal muscle progenitor cells (myoblasts).
UOM:
1 * 1 Kit
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Numéro de catalogue:
(STMC10961)
Fournisseur:
STEMCELL Technologies
Description:
Serum-free medium for differentiation of human monocytes to macrophages.
UOM:
1 * 250 mL
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Numéro de catalogue:
(STMC100-0139)
Fournisseur:
STEMCELL Technologies
Description:
Mouse monoclonal antibody against human, rhesus, cynomolgus CD63, unconjugated.
UOM:
1 * 1 EA
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Fournisseur:
STEMCELL Technologies
Description:
The platelet-derived growth factor (PDGF) family has five heparin-binding members that assemble into four homodimers (PDGF-AA, PDGF-BB, PDGF-CC, and PDGF-DD) and one heterodimer (PDGF-AB; Li and Eriksson). PDGF signals through the receptor tyrosine kinases PDGFRα and PDGFRβ. It has been shown that PDGF-induced migration involves signaling pathways involving MEK/ERK, EGFR, Src and PI3K/AKT (Kim <i>et al.</i>). PDGF is a potent mitogen for cells of mesenchymal origin such as fibroblasts and vascular smooth muscle cells. PDGF has been implicated in pathogenesis of atherosclerosis, glomerulonephritis, cancer, and in the contraction of vascular smooth muscle cells of rat aortic tissues (Fretto <i>et al.</i>; Sachinidis <i>et al.</i>). PDGF-CC is secreted as a latent growth factor and requires activation by proteolytic processing (Li and Eriksson). PDGF-CC binds to PDGFRα homodimers and PDGFRαβ heterodimers, but not to PDGFRβ homodimers (Li and Eriksson). PDGF-CC is an angiogenic factor that stimulates coronary artery smooth muscle cell proliferation and plays a role in cardiovascular development (Gilbertson <i>et al.</i>). PDGF-CC is also expressed in many tumors and plays a role in tumorigenesis (Zwerner and May).
Fournisseur:
STEMCELL Technologies
Description:
Receptor activator of nuclear factor kappa-B ligand (RANKL) is a member of the tumor necrosis factor (TNF) superfamily (Anderson <i>et al.</i>). Cytokines in the TNF superfamily are involved in a variety of long-term cellular activities such as differentiation, proliferation, and cell death (MacEwan). RANKL is a type II homotrimeric transmembrane protein expressed in both a membrane-bound and secreted form (Ikeda <i>et al.</i>). RANKL binds to the receptor activator of nuclear factor kappa-B (RANK). Upon binding to its receptor, RANKL activates the AKT signaling pathway (Moon <i>et al.</i>). Osteoprotegerin (OPG) may also bind RANKL, and this binding competes with RANKL-RANK binding (Lacey <i>et al.</i>). RANKL is involved in osteoclastogenesis (Lacey <i>et al.</i>; Yasuda <i>et al.</i>) and T cell activation (Wong <i>et al.</i>). This product is animal component-free.
Fournisseur:
STEMCELL Technologies
Description:
Insulin-like growth factor 1 (IGF-I) is a polypeptide that belongs to the family of insulin-like growth factors that are similar in molecular structure to proinsulin. IGF-I binds to the IGF-I receptor and is a potent activator of the PI3K/AKT pathway and also activates ERK1/2 signaling. IGF-I is required for embryonic development, and it is produced mainly in the liver in response to a hepatocyte growth hormone. In the absence of insulin, IGF-I is necessary for the maintenance of human pluripotent stem cells (Wang <i>et al.</i>). Together with IL-3, IGF-I stimulates differentiation and proliferation of myeloid cells and has been shown to regulate lymphopoiesis by stimulating proliferation and differentiation of T and B cells in lymphoid organs (Heemskerk <i>et al.</i>). This product is animal component-free.
Fournisseur:
STEMCELL Technologies
Description:
Nerve growth factor (NGF)-beta is a prototypical member of the neurotrophin family and has a role in the survival and growth of neural cells, regulating cell growth, promoting differentiation into neurons, and neuron migration. The beta subtype of NGF is biologically active in comparison to the alpha-2 and gamma-2 subtypes. NGF-beta in its secreted form can bind to tyrosine kinase A (trkA) receptor with high affinity and to p75 (NTR) with low affinity (Levi and Alemà; Sofroniew <i>et al.</i>). NGF has been shown to possess pro-inflammatory and pro-fibrogenic properties (Micera <i>et al.</i>). It has also been shown that overexpression of NGF-beta promotes differentiation of bone marrow mesenchymal stem cells into neurons through regulation of AKT and MAPK pathways (Yuan <i>et al.</i>). This product is animal component-free.
Fournisseur:
STEMCELL Technologies
Description:
Granulocyte-macrophage colony-stimulating factor (GM-CSF) promotes the proliferation and differentiation of hematopoietic progenitor cells and the generation of neutrophils, eosinophils, and macrophages. In synergy with other cytokines such as stem cell factor, IL-3, erythropoietin, and thrombopoietin, it also stimulates erythroid and megakaryocyte progenitor cells (Barreda <i>et al.</i>). GM-CSF is produced by multiple cell types, including stromal cells, Paneth cells, macrophages, dendritic cells (DCs), endothelial cells, smooth muscle cells, fibroblasts, chondrocytes, and Th1 and Th17 T cells (Francisco-Cruz <i>et al.</i>). The receptor for GM-CSF (GM-CSFR) is composed of two subunits: the cytokine-specific α subunit (GMRα; CD116) and the common subunit βc (CD131) shared with IL-3 and IL-5 receptors (Broughton <i>et al.</i>). GM-CSFR is expressed on hematopoietic cells, including progenitor cells and immune cells, as well as non-hematopoietic cells. Recombinant human GM-CSF (rhGM-CSF) promotes the production of myeloid cells of the granulocytic (neutrophils, eosinophils, and basophils) and monocytic lineages <i>in vivo</i>. It has been tested for mobilisation of hematopoietic progenitor cells and used to treat chemotherapy-induced neutropenia in patients. GM-CSF is able to stimulate the development of DCs that ingest, process, and present antigens to the immune system (Francisco-Cruz <i>et al.</i>).
Fournisseur:
STEMCELL Technologies
Description:
Human Interleukin 4 (IL-4) is important for immune responses to helminth infection as well as in allergic responses (Olpihant <i>et al.</i>). The IL-4 receptor consists of a heterodimer of IL-4Ra and common gamma chain. IL-4 receptor engagement leads to the activation of JAK1/3 and the recruitment of STAT6 and IRS1/2 (Nelms <i>et al.</i>). IL-4 drives immunoglobulin class switching in B cells (to IgE, IgG4), mast cell hyperplasia, mucus production, and the differentiation of naïve T cells into T helper type 2 (Th2) cells, which produce IL-4, IL-5, IL-10, and IL-13 (Bao <i>et al.</i>; Olpihant <i>et al.</i>; Nelms <i>et al.</i>). In addition to Th2 T cells, IL-4 is produced by CD4+ NK T cells, γ/δ T cells, activated basophils, eosinophils, and mast cells. IL-4 consists of 130 amino acids with a predicted molecular weight of 15.1 kDa. Human IL-4 does not cross-react with mouse cells (Park <i>et al.</i>). This product is animal component-free.
Numéro de catalogue:
(STMC100-1408)
Fournisseur:
STEMCELL Technologies
Description:
Stimulating T cells with VZV (gE) Peptide pool releases downstream cytokines and upregulates activation markers, enabling antigen-specific T cells to be detected or isolated for analysis. VZV (gE) Peptide pool is a lyophilised mixture of 153 peptides from the envelope glycoprotein E (gE) of Varicella-zoster virus (VZV; strain Dumas), and consists of 15-mer peptides with 11-amino-acid overlaps that cover amino acids 1 to 623 on gE. gE is essential for VZV replication (Mo <i>et al.</i>, 2002) and may contribute to viral pathogenesis by facilitating epithelial cell-cell contacts (Mo <i>et al.</i>, 2000). Viral peptide pools are useful for a broad range of applications, including vaccine development, immunological research, and diagnostic assay development.
UOM:
1 * 1 PE
New Product
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Numéro de catalogue:
(STMC100-1410)
Fournisseur:
STEMCELL Technologies
Description:
Stimulating T cells with Clostridium (Tetanus Toxin) Peptide pool releases downstream cytokines and upregulates activation markers, enabling antigen-specific T cells to be detected or isolated for analysis. Clostridium Peptide pool is a lyophilised mixture of 326 peptides from tetanus toxin of Clostridium tetani (strain Massachusetts/E88), and consists of 15-mer peptides with 11-amino-acid overlaps that cover amino acids 1 to 1315 on tetanus toxin. Tetanus toxin entry into central neurons is mediated by the synaptic vesicle-binding protein SV2 (Yeh <i>et al.</i>), where it selectively cleaves synaptobrevin (Link <i>et al.</i>; Schiavo <i>et al.</i>). Viral peptide pools are useful for a broad range of applications, including vaccine development, immunological research, and diagnostic assay development.
UOM:
1 * 1 PE
New Product
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Numéro de catalogue:
(STMC100-1401)
Fournisseur:
STEMCELL Technologies
Description:
Stimulating T cells with HHV6 (U54) peptide pool releases downstream cytokines and upregulates activation markers, enabling antigen-specific T cells to be detected or isolated for analysis. HHV6 (U54) peptide pool is a lyophilised mixture of 112 peptides from protein U54 of human herpesvirus 6B (HHV-6B; strain Z29), and consists of 15-mer peptides with 11-amino-acid overlaps that cover amino acids 1 to 459 on U54. U54 is a tegument transactivator and is suggested to be a homolog of the CMV UL82/83 (pp65/72K) protein (Isegawa <i>et al.</i>; Nicholas). In infected T cells, U54 has been shown to inhibit gene transcription of interleukin 2 (IL-2), the T cell growth factor, which likely contributes to viral persistence (Iampietro <i>et al.</i>). Viral peptide pools are useful for a broad range of applications, including vaccine development, immunological research, and diagnostic assay development.
UOM:
1 * 1 PE
New Product
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Numéro de catalogue:
(STMC100-1409)
Fournisseur:
STEMCELL Technologies
Description:
Stimulating T cells with VZV (IE63) peptide pool releases downstream cytokines and upregulates activation markers, enabling antigen-specific T cells to be detected or isolated for analysis. VZV (IE63) peptide pool is a lyophilised mixture of 67 peptides from the transcriptional regulator ICP22 homolog (IE63) of Varicella-zoster virus (VZV; strain Oka vaccine), and consists of 15-mer peptides with 11-amino-acid overlaps that cover amino acids 1 to 278 on IE63. Expressed during VZV latency and reactivation (Lungu <i>et al.</i>), IE63 demonstrates repressive activity in both the cytoplasm and nucleus of infected cells (Bontems <i>et al.</i>). Host interferon alpha (IFN-α) activity is inhibited by VZV IE63, which likely contributes to VZV pathogenesis (Ambagala and Cohen). Viral peptide pools are useful for a broad range of applications, including vaccine development, immunological research, and diagnostic assay development.
UOM:
1 * 1 PE
New Product
Il s'agit d'un élément MarketSource. Des frais supplémentaires peuvent s'appliquer.
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