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Catalog Number: (STMC07820)
Supplier: STEMCELL Technologies
Description: Density gradient medium for the isolation of viruses, organelles, macromolecules, or cells.
UOM: 1 * 250 mL

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Supplier: STEMCELL Technologies
Description: Mouse monoclonal IgG2b, antibody against human, chimpanzee, CD45RA, APC-Cyanine7-conjugated.

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Catalog Number: (STMC19868)
Supplier: STEMCELL Technologies
Description: Immunomagnetic isolation of untouched mouse epithelial cells
UOM: 1 * 1 KIT

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Supplier: STEMCELL Technologies
Description: Immunomagnetic isolation of untouched non-human primate T cells

Catalog Number: (STMC17782)
Supplier: STEMCELL Technologies
Description: Immunomagnetic cell isolation kit using particle release technology.
UOM: 1 * 1 KIT

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Catalog Number: (STMC100-1403)
Supplier: STEMCELL Technologies
Description: Stimulating T cells with HHV8 (K8) peptide pool releases downstream cytokines and upregulates activation markers, enabling antigen-specific T cells to be detected or isolated for analysis. HHV8 (K8) peptide pool is a lyophilised mixture of 57 peptides from protein K8 alpha of human herpesvirus 8 (HHV-8), and consists of 15-mer peptides with 11-amino-acid overlaps that cover amino acids 1 to 237 on K8. A basic leucine zipper (bZip) protein that associates with the lytic origin of HHV8 (Lin <i>et al.</i>), K8 is thought to play a role in lytic DNA replication, as a trans-acting factor (AuCoin <i>et al.</i>). It has also been found to modulate the activity of the transcriptional transactivator K-Rta (Izumiya <i>et al.</i>), and has an autoregulatory function (Wang <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 AU

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Supplier: STEMCELL Technologies
Description: Tumor necrosis factor-α (TNF-α) is a pro-inflammatory cytokine that activates NF-κB, MAPK, and PI3K/AKT pathways. Activated T cells and macrophages are the primary producers of TNF-α in response to inflammation and infectious conditions. Many other cell types have been shown to produce TNF-α, among them B cells, NK cells, mast cells, neutrophils, dendritic cells, microglia, endothelial cells, smooth muscle cells, cardiomyocytes, and fibroblasts. TNF-α has cytotoxic effects on cancer cells in vitro by stimulating anti-tumor immunosuppressive responses. TNF-α stimulates expression of E- and P-selectins, thus facilitating adhesion of neutrophils, monocytes, and memory T cells to activated platelets and endothelial cells (Zelová andamp; Hosek). Other effects of TNF-α include vasodilatation and edema formation.

New Product

Catalog Number: (STMC78027.2)
Supplier: STEMCELL Technologies
Description: Interleukin 12 (IL-12p70) is a heterodimeric cytokine composed of p35 and p40 subunits. IL-12 is produced by monocytes, macrophages, dendritic cells, neutrophils, and B cells in response to bacterial products and cytokines such as IFN-γ. The IL-12 receptor is expressed on T, NK, and dendritic cells. Upon binding, IL-12 initiates signaling via the JAK/STAT signaling pathway and stimulates NK, B, and T cells to produce IFN-γ (Watford <i>et al.</i>). It also regulates cytokine synthesis, proliferation of T and NK cells, and stimulates differentiation of CD4+ and CD8+ T cells (Germann and Rüde). Mice that are deficient in IL-12 are susceptible to many intracellular pathogens and have impaired IFN-γ secretion, Th1 differentiation, and NK cytolytic activity; however, Th2 development and IL-4 production are enhanced (Watford <i>et al.</i>).
UOM: 1 * 1.000 µG

New Product

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Supplier: STEMCELL Technologies
Description: Interleukin 9 (IL-9) has pleiotropic functions in the immune system and signals through its specific IL-9 receptor (IL-9R) (Renauld <i>et al.</i>). IL-9/IL-9R signaling pathway mainly targets the downstream activation of JAK/STAT (janus kinase/signal transducer and activator of transcription) and subsequent phosphorylation cascades initiated by multiple kinases including IRS–PI3K–PKB (insulin receptor substrate, phosphatidyl-inositol 3-kinases, protein kinase-B) and ERK (Knoops and Renauld; Fontaine <i>et al.</i>). IL-9 has been shown to have a role in Th1/Th17-mediated inflammation and in regulatory T cell responses (Singh <i>et al.</i>; Goswami and Kaplan). IL-9/IL-9R signaling pathway represents a novel endogenous anti-apoptotic mechanism for cortical neurons (Fontaine <i>et al.</i>). IL-9 secreting T cells, termed Th9 cells, contribute to both effective immunity and immunopathological disease, and have been shown to have a role in the treatment of allergic and autoimmune disease (Kaplan <i>et al.</i>).

New Product

Catalog Number: (STMC100-1399)
Supplier: STEMCELL Technologies
Description: Stimulating T cells with JCV (LT) Peptide Pool releases downstream cytokines and upregulates activation markers, enabling antigen-specific T cells to be detected or isolated for analysis. This peptide pool is a lyophilised mixture of 170 peptides from large T antigen (LT) of JC polyomavirus (JCV), and consists of 15-mer peptides with 11-amino-acid overlaps that cover amino acids 1 to 688 on LT. LT is detectable during JCV latency (Rossi <i>et al.</i>), and in immunocompromised patients with JVC-associated pathologies such as progressive multifocal leukoencephalopathy (PML) (Delbue <i>et al.</i>). In PML, LT has been associated with activating the promoter of survivin, an anti-apoptotic protein (Del Valle <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 AU

New Product

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Supplier: STEMCELL Technologies
Description: Interleukin 13 (IL-13) is a cytokine important in type 2 immune responses and is expressed by T helper type 2 (Th2) cells and group 2 innate lymphoid cells (ILC2s) (Pulendran and Artis). IL-13 binds a receptor composed of IL-4Ra and IL-13Ra1 or IL-13Ra2 (Wynn 2003). IL-13 receptor is expressed on B cells and promotes B cell proliferation, induces class switching to IgG4 and IgE, and functions in the recruitment and activation of IgE-producing B cells (Hershey). The receptor is also expressed on basophils, eosinophils, mast cells, endothelial cells, fibroblasts, monocytes, macrophages, respiratory epithelial cells, and smooth muscle cells (Hershey). Signaling through the IL-13 receptor activates the JAK/STAT and IRS-1/IRS-2 pathways. <i>in vivo</i>, IL-13 has a role in resistance to extracellular helminth parasites by regulating gastrointestinal parasite expulsion, as well as in airway hyperresponsiveness, allergic inflammation, tissue remodeling, tumor cell growth, and fibrosis (Wynn 2015). Secreted IL-13 is a protein consisting of 112 amino acids with a molecular mass of 10 kDa (Hershey). Human IL-13 is not species-specific but has greater activity on human cells compared to mouse cells (Hershey).

New Product

Supplier: STEMCELL Technologies
Description: GRO (growth-regulated oncogene)-beta or CXCL2 is a member of the CXC family, which plays an integral role in recruitment and activation of neutrophils and basophils in response to tissue injury and microbial infection. GRO-beta and GRO-gamma are closely related to GRO-alpha and share 90% and 86% amino acid sequence homology, respectively, with GRO-alpha. Receptor-binding studies have demonstrated that GRO-alpha, -beta, and -gamma signal mainly through G protein-coupled receptors CXCR1 and CXCR2 (Ahuja and Murphy). GRO-beta is expressed in epithelial cells, monocytes, fibroblasts, and melanocytes and is further induced during inflammatory, epithelialization, and angiogenic processes, for example during the wound healing process of human burn wounds (Zaja-Milatovic and Richmond). GRO-beta also stimulates mitogenesis in certain human melanoma cells (Unemori <i>et al.</i>).

New Product

Catalog Number: (STMC100-1407)
Supplier: STEMCELL Technologies
Description: Stimulating T cells with Candida (MP65) peptide pool releases downstream cytokines and upregulates activation markers, enabling antigen-specific T cells to be detected or isolated for analysis. Candida peptide pool is a lyophilised mixture of 92 peptides from the mannoprotein MP65 of Candida albicans (yeast), and consists of 15-mer peptides with 11-amino-acid overlaps that cover amino acids 1 to 379 on MP65. MP65 contributes to cell wall integrity and epithelia adherence (Sandini <i>et al.</i>), and is a potent T cell immunogen (Gomez <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 AU

New Product

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Supplier: STEMCELL Technologies
Description: The principal physiological regulator of erythropoiesis, Erythropoietin (EPO) is a glycoprotein growth factor that is produced primarily in the kidney in response to hypoxia or anemia. EPO promotes erythropoiesis by binding to a homodimeric cell surface receptor that activates JAK2/STAT5, PI3K/AKT, and MAPK pathways, and stimulates the proliferation and differentiation of erythroid progenitor cells (Jelkmann. Transfus Med Hemother, 2013; Kuhrt and Wojchowski. Blood, 2015).

Supplier: STEMCELL Technologies
Description: Betacellulin is a member of the epidermal growth factor (EGF) family, and signals through EGF receptor and ERBB4. It activates ERK and AKT pathways, which induces neural stem cell proliferation and prevents spontaneous differentiation in culture. Betacellulin stimulates the expansion of neural stem cells, transit-amplifying cells, and neuroblasts derived from subventricular zone and dentate gyrus (Gómez-Gaviro <i>et al.</i>). It is a potent mitogen for retinal pigment epithelial cells and vascular smooth muscle cells. Betacellulin down-regulates E-cadherin expression in ovarian cancer cell lines via MEK/ERK1/2 and PI3K/AKT signaling pathways, thus increasing cell migration (Zhao <i>et al.</i>). It is a modulator of interferon (IFN) response and enhances anti-viral effects of IFN (Al-Yahya <i>et al.</i>). Betacellulin is expressed in pancreatic α cells, β cells, and duct cells. It induces the proliferation of pancreatic cancer cell lines, inhibits apoptosis, promotes the neogenesis of β cells, and converts non-β cells into insulin-producing cells (Kawaguchi <i>et al.</i>; Miyagawa al.; Saito <i>et al.</i>).

Supplier: STEMCELL Technologies
Description: Stromal cell-derived factor 1 alpha (SDF-1α) is a member of the CXC group of chemokines that binds to the G-protein coupled receptor, CXCR4, to regulate migration, proliferation, differentiation, and survival of many cell types including hematopoietic stem cells, B cells, and T cells. It is produced by bone marrow stromal cells, osteoblasts, endothelial cells, and neuronal cells. SDF-1α was first identified as the pre-B-cell growth-stimulating factor (PBSF) in the mouse bone marrow-derived stromal cell line, PA6, in the growth of B cell precursors (Hayashi <i>et al.</i>). SDF-1α primarily regulates cell motility during development and adulthood, including the homing of hematopoietic stem cells and neutrophils to fetal bone marrow during ontogeny (Ara <i>et al.</i> 2003a) and the recruitment of endothelial progenitor cells from bone marrow during angiogenesis in adulthood (Zheng <i>et al.</i>). In addition to its role in hematopoiesis, the SDF-1α/CXCR4 signaling pathway is also essential for the homing of primordial germ cells to gonads (Ara <i>et al.</i> 2003b), the migration of granule cells in the cerebellum during neurogenesis (Zou <i>et al.</i>), and the migration of breast cancer cells to sites of metastasis (Muller <i>et al.</i>).

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