2476 Results for: "STEMCELL Technologies"

Supplier: STEMCELL Technologies

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

Differentiation kit for the generation of neuronal precursors from human ES and iPS cell-derived neural progenitor cells.

Supplier: STEMCELL Technologies

Cell detachment solution.

Supplier: STEMCELL Technologies

Interleukin 15 (IL-15) is a four-alpha helix bundle cytokine with many similar properties to IL-2, with which it shares components of its receptor. The IL-15 receptor is a heterotrimeric receptor composed of IL-15Ra, the high-affinity receptor for IL-15, as well as IL-2/15Rb (CD122) and common gamma chain (CD132). IL-15 binds to IL-15Rα receptor and can then be presented in trans to IL-2/15Rb and common gamma chain on other cells. Trans-presentation is thought to be the major mechanism by which IL-15-mediated responses occur in mice, although may not be necessary in humans (Castillo et al.). The cytoplasmic domains of IL-2/15Rb and common gamma chain mediate signaling to activate JAK/STAT and PI3K pathways. IL-15 supports the survival and proliferation of naive CD4+ and CD8+ T cells, and promotes homeostasis of memory T cells. IL-15 also promotes the survival and differentiation of NK cells and regulates their cytolytic activity (Ma et al.).

Supplier: STEMCELL Technologies

Immunomagnetic positive selection of F4/80+ cells from mouse splenocytes, lung tissue, and peritoneal lavage.

Supplier: STEMCELL Technologies

Immunomagnetic isolation of untouched human T cells.

Supplier: STEMCELL Technologies

Basic fibroblast growth factor (bFGF) is a prototypic member of the fibroblast growth factor family. Cytokines in the FGF family possess broad mitogenic and cell survival activities (Folkman and Klagsbrun; Kimelman and Kirschner) and are involved in a variety of biological processes including cell proliferation, differentiation, survival, and apoptosis (Folkman and Klagsbrun; Klagsbrun; Rifkin and Moscatelli). bFGF has the β-trefoil structure (Ponting and Russell), binds to the four FGF receptor (FGFR) family members, and activates JAK/STAT, PI3K, ERK1/2, and other receptor tyrosine kinase (RTK) signaling pathways. It supports the maintenance of undifferentiated human embryonic stem cells (Xu et al.; Kang et al.), stimulates human embryonic stem cells to form neural rosettes (Zhang et al.), and improves proliferation of human mesenchymal stem cells and enhances chondrogenic differentiation (Solchaga et al.).

Supplier: STEMCELL Technologies

Hank's Balanced Salt Solution (HBSS) can be used for diluting, washing, irrigating or as a transporting solution for cell or tissue culture. It provides a buffering system to maintain the physiological pH range and osmotic balance of culture media, and provides cells with a source of water and essential inorganic ions and a carbohydrate as an energy source.

Supplier: STEMCELL Technologies

Supplement for hematopoietic differentiation optimized for lymphoid potential.

Supplier: STEMCELL Technologies

Vascular endothelial growth factor (VEGF-165) is a heparin-binding homodimeric glycoprotein involved in embryonic vasculogenesis and angiogenesis. VEGF binds to VEGFR-1 (R1) and VEGFR-2 (R2), and activates Raf/MEK/ERK and PI3K/AKT pathways (Ferrara et al.). It plays an important role in neurogenesis both in vitro and in vivo (Storkebaum et al.). It has neurotrophic effects on neurons of the central nervous system and promotes growth and survival of dopaminergic neurons and astrocytes. VEGF also promotes growth and survival of vascular endothelial cells, monocyte chemotaxis, and colony formation by granulocyte-macrophage progenitor cells (Ferrara et al.).

Supplier: STEMCELL Technologies

Immunomagnetic isolation of untouched human naïve CD4+ T cells.

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Coating material for the differentiation of lymphoid cells.

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Mouse monoclonal antibody against human, monkey CD137 (ILA).

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Animal component-free collagenase for the digestion of native collagen fibrils.

Supplier: STEMCELL Technologies

Use ALDEFLUOR™ Assay Buffer to optimize the detection of aldehyde dehydrogenase-bright (ALDHbr) cells and maximize fluorescent signal stability during the ALDEFLUOR™ assay.

Supplier: STEMCELL Technologies

Immunomagnetic isolation of untouched human monocytes

Supplier: STEMCELL Technologies

Immunomagnetic isolation of untouched human monocytes.

Supplier: STEMCELL Technologies

Methylcellulose-based medium with agar-LCM and EPO for human cells.

Supplier: STEMCELL Technologies

Mouse monoclonal antibody against mouse CD45.2, APC-conjugated.

Supplier: STEMCELL Technologies

Oncostatin M (OSM) is a member of interleukin 6 (IL-6) family of cytokines and bears close resemblance to leukemia inhibitory factor (LIF) and granulocyte colony-stimulating factor (G-CSF) in amino acid sequence and its modulation of differentiation in a variety of cell types (Rose and Bruce). OSM signals through type I receptor (consisting of gp130 and LIF receptor [LIFR]) and type II receptor (consisting of gp130 and OSM receptor [OSMR]), which eventually activate the JAK/STAT pathway (Auguste et al.; Gómez-Lechón). OSM is primarily produced by activated T cells and monocytes, and also by activated macrophages, neutrophils, mast cells, and dendritic cells. OSM is also produced within the bone microenvironment by cells of both hematopoietic and mesenchymal origin, including osteocytes and osteoblasts. OSM is involved in differentiation, cell proliferation, hematopoiesis, and inflammation, and also has been shown to have implications in liver development and bone formation and resorption (Sims and Quinn; Tanaka and Miyajima). This product is animal component-free.

Supplier: STEMCELL Technologies

Interleukin 33 (IL-33) is a pro-inflammatory cytokine from the IL-1 family. It binds to the ST2 receptor and activates NF-kB and MAPK pathways. IL-33 is expressed by epithelial cells, smooth muscle cells, and fibroblasts in various tissues and organs, as well as resting basophils, mast cells, eosinophils, natural helper cells, group 2 innate lymphoid cells, dendritic cells, and activated macrophages (Schmitz et al.; Yasuda et al.). It contributes to allergic inflammation by stimulating production of the cytokines IL-4, IL-5, and IL-13 in Th2 cells, and stimulates host defense against microbial and viral infections (Liew; Yasuda et al.). In the central nervous system, IL-33 is produced by endothelial cells and astrocytes. It induces proliferation of microglia and mediates production of pro-inflammatory cytokines (Yasuoka et al.).

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Monocyte chemotactic protein-1 (MCP-1), also known as CCL2, is a member of the CC family of chemokines. The protein is primarily induced by platelet-derived growth factor (PDGF) gene (Cochran et al.). The biological effects of MCP-1 are mediated via the specific G-protein-coupled receptor CCR2 which in turn activates signal transduction pathways leading to monocyte transmigration (Sozzani et al.). Migration of monocytes from the bloodstream across the vascular endothelium is required for routine immunological surveillance of tissues, as well as other immunomodulatory effects. MCP-1 is produced by a variety of cell types, including fibroblasts and endothelial, epithelial, smooth muscle, mesangial, astrocytic, monocytic, and microglial cells, which are important for antiviral responses in the peripheral circulations and in tissues (Cushing et al.; Deshmane et al.). MCP-1 plays a role in physiological processes such as neurogenesis, neuroprotection, and neurotransmission and has important implications in neurological disorders such as multiple sclerosis and Alzheimer’s disease, in which it is produced during neuroinflammation at the sites of lesions (Conductier et al.).

Supplier: STEMCELL Technologies

EasySep™ Buffer is recommended for EasySep™ cell separation protocols.

Supplier: STEMCELL Technologies

Interleukin 1 beta (IL-1β) is synthesized as an inactive precursor protein or pro-IL-1β. This precursor is cleaved intracellularly by caspase 1 (IL-1β convertase) to form the active form of the protein that is later secreted (Allan et al.). IL-1β binds to IL-1 receptor and activates intracellular signaling via the MAPK or NF-kB pathway. IL-1β is released by monocytes, tissue macrophages, and dendritic cells in response to infection or injury and induces expression of acute-phase proteins. It also promotes the infiltration of inflammatory and immunocompetent cells from the circulation into the extravascular space and affected tissues, by stimulating the expression of adhesion molecules on endothelial cells. IL-1β also affects other immune cells; for example, it co-stimulates T cell functions together with antigen or mitogen. It also stimulates Th17 differentiation and B cell proliferation in an IL-6-dependent manner. Mice deficient in IL-1β do not show phenotypical differences from wild-type mice; however, they have a reduced response to inflammation, suggesting that IL-1β plays a key role in inflammatory diseases (Dinarello).

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Mouse monoclonal IgG1 antibody against human, rhesus, cynomolgus CD8a, unconjugated.

Supplier: STEMCELL Technologies

Mouse monoclonal antibody against human, rhesus CD80 (B7-1), APC-conjugated.

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Rat monoclonal IgG2a antibody against mouse CD19, unconjugated.

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Rat monoclonal antibody against human IL-4, unconjugated.

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Interleukin 21 (IL-21) is a pleiotropic cytokine that is composed of four α-helical bundles and primarily produced by natural killer T (NKT) cells, T follicular helper (Tfh) cells, and Th17 cells (Spolski and Leonard 2008). IL-21 signals via heterodimers of the IL-21 receptor (IL-21R) and the IL2RG encoded common cytokine receptor γ-chain (Parrish-Novak et al.; Ozaki K et al. 2000), and utilizes the JAK/STAT, MAPK, and PI3K pathways (Spolski and Leonard 2014). IL-21 has been shown to have a critical role in regulating immunoglobulin production and differentiation of the pro-inflammatory Th17 population of cells (Ozaki et al. 2002; Nurieva et al.). Additionally, IL-21 specifically sustains CD8+ T cell effector activity and provides a mechanism of CD4+ T cell help during chronic viral infection (Elsaesser et al.). IL-21 signaling was also found critical for the development of type 1 diabetes in NOD mice (Sutherland et al.) and control of T cell autoimmunity by regulatory B cells (Yoshizaki et al.).

Supplier: STEMCELL Technologies

Rat monoclonal IgG2a antibody against mouse CD150 (SLAM), unconjugated.