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977 résultats pour « STEMCELL Technologies »

977 Résultats pour : « STEMCELL Technologies »

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HepatiCult™ Organoid Kit (Human)

HepatiCult™ Organoid Kit (Human)

Supplier: STEMCELL Technologies

Culture medium kit for initiation, growth, and differentiation of human liver organoids.

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MethoCult™-GF M3434 Medium

MethoCult™-GF M3434 Medium

Supplier: STEMCELL Technologies

Methylcellulose-based medium with recombinant cytokines (including EPO) for mouse cells. 1×100 ml bottle.

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Mouse Recombinant TNF-alpha

Mouse Recombinant TNF-alpha

Supplier: STEMCELL Technologies

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.

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Human Recombinant Apolipoprotein A-I, His tag

Human Recombinant Apolipoprotein A-I, His tag

Supplier: STEMCELL Technologies

A member of the apolipoprotein family, Apolipoprotein A-I (apo A-I) is a major glycoprotein component of high density lipoprotein (HDL) particles (Frank and Marcel) which facilitate the reverse transport of cholesterol from peripheral tissues to the liver. Apo A-I binds to the scavenger receptor SR-A1, allowing HDL particles to interact with cells in peripheral tissues (Neyen et al.), and is involved in the esterification of cholesterol, acting as a cofactor for lecithin cholesterol acyltransferase (LCAT; Frohlich). Apo A-I has been shown to bind to the scavenger receptor SR-B1 (Williams et al.) and the beta chain of ATP synthase (Martinez et al.) on hepatocytes, highlighting its importance in HDL endocytosis. Mutations in the APOA1 encoding gene may result in dysregulated HDL levels, leading to an increased risk of amyloidosis and ischemic heart disease (Haase et al.; Obici et al.). This protein product contains a His-residue tag at the amino end of the polypeptide chain. This protein product contains a His-residue tag at the amino end of the polypeptide chain. For consistency and reproducibility across your applications, sclerostin from STEMCELL comes lyophilized with ≥ 92% purity.

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Annexin V, APC

Annexin V, APC

Supplier: STEMCELL Technologies

A cellular protein for detection of apoptotic cells, APC-conjugated.

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EasySep™ Release Mouse CD138 Positive Selection Kits

EasySep™ Release Mouse CD138 Positive Selection Kits

Supplier: STEMCELL Technologies

Immunomagnetic positive selection kit using particle release technology.

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EBV (LMP2) Peptide Pool

EBV (LMP2) Peptide Pool

Supplier: STEMCELL Technologies

The EBV (LMP2) Peptide Pool is a lyophilized mixture of 122 peptides from latent membrane protein 2 (LMP2) of Epstein-Barr virus (EBV; strain B95-8). LMP2 is expressed in EBV latency, as well as in EBV-associated pathologies and it blocks reactivation of EBV from latency. The pool consists of 15-mer peptides with 11-amino-acid overlaps that cover amino acids 1 - 497 on LMP2.

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Human Recombinant BMP-2

Human Recombinant BMP-2

Supplier: STEMCELL Technologies

Bone morphogenetic protein 2 (BMP-2) is a member of the transforming growth factor beta (TGF-β) superfamily. BMP-2 is a disulfide-linked homodimer, acts as a ligand for complexes of type I and II BMP receptors, and primarily activates SMAD1/5/8 signaling (Nohe et al.). BMP-2 is a potent differentiation factor and directs human pluripotent stem cells (hPSCs) towards various cell types including extra-embryonic endoderm, mesenchymal cells, and chondrocytes (Pera et al.). Although BMP-2 expression is low in healthy cartilage, its expression is upregulated at the site of cartilage damage (Blaney Davidson et al.). BMP-2 induces bone and cartilage formation in vitro and is able to induce chondrogenesis in human mesenchymal stem cells (Schmitt et al.).

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Anti-ACE2 Mouse Monoclonal Antibody [clone: AC384] (Biotin)

Anti-ACE2 Mouse Monoclonal Antibody [clone: AC384] (Biotin)

Supplier: STEMCELL Technologies

Mouse monoclonal IgG1 antibody against human angiotensin-converting enzyme 2 (ACE2).

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Anti-CD80 (B7-1) Hamster Monoclonal Antibody [clone: 16-10A1] (PE)

Anti-CD80 (B7-1) Hamster Monoclonal Antibody [clone: 16-10A1] (PE)

Supplier: STEMCELL Technologies

Hamster (Armenian) monoclonal antibody against mouse CD80 (B7-1), PE-conjugated.

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Anti-Perforin Mouse Monoclonal Antibody [clone: deltaG9] (FITC)

Anti-Perforin Mouse Monoclonal Antibody [clone: deltaG9] (FITC)

Supplier: STEMCELL Technologies

Mouse monoclonal antibody against human perforin, FITC-conjugated.

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Anti-CD45R (B220) Rat Monoclonal Antibody [clone: RA3-6B2] (FITC)

Anti-CD45R (B220) Rat Monoclonal Antibody [clone: RA3-6B2] (FITC)

Supplier: STEMCELL Technologies

Rat monoclonal IgG2a antibody against human, mouse, cat CD45R (B220).

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Human Recombinant IL-37

Human Recombinant IL-37

Supplier: STEMCELL Technologies

Use Interleukin 37 (IL-37) to inhibit the expression of inflammatory cytokines, such as IL-6, MIP-1α, MIP-1β, and TNF-α, in a MAPK-dependent manner (Qi et al.). A secreted protein belonging to the interleukin-1 cytokine family, IL-37 acts as an anti-inflammatory alarmin, with predominant expression in monocytes, and constitutive secretion by myeloid dendritic cells (Rudloff et al.). IL-37 has been shown to limit inflammation in human blood M1 macrophages by binding to extracellular surface receptors, requiring IL-1R8 as a coreceptor (Li et al.). It also has protective effects against obesity-induced inflammation and insulin resistance, reducing adipogenesis and activating AMPK signaling both in vitro and in vivo (Ballak et al.). In humans, the IL-37 gene undergoes alternative splicing, resulting in multiple isoforms of the protein (Boraschi et al.). For consistency and reproducibility across your applications, Interleukin 37 from STEMCELL comes lyophilized with ≥ 93% purity.

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Human Recombinant IL-7

Human Recombinant IL-7

Supplier: STEMCELL Technologies

Interleukin 7 (IL-7) is a member of the Type I cytokine family that is critical for T and B cell development and survival. It is produced by non-hematopoietic cells in the thymus, lymphoid organs, and by bone marrow stromal cells (Lundström et al.). IL-7 binds to a receptor (IL-7R) composed of common gamma chain and IL-7Ra (CD127) and signals through the JAK/STAT and PI3K pathways. IL-7 regulates the survival of naïve and memory CD4+ and CD8+ T cells, γδ T cells, NK T cells, innate lymphoid cells, and T regulatory cells (Carrette and Surh). Although a deficiency in IL-7R still permits the generation of normal numbers of peripheral B cells in humans, stimulation of human B cell precursors with IL-7 could promote STAT-5-dependent proliferation and survival in vitro (Clark et al.; Corfe and Paige).

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Mouse Recombinant IL-5

Mouse Recombinant IL-5

Supplier: STEMCELL Technologies

Interleukin 5 (IL-5) is a member of the short-chain 4-α-helical bundle subset of hematopoietic cytokines. It binds to the specific α receptor, which in turn recruits the common β receptor that initiates signaling via JAK/STAT and MAPK pathways. IL-5 is produced by Th2 cells, eosinophils, activated mast cells, and ILC2 cells. IL-5 affects the differentiation, activation, and survival of eosinophils, thus playing an important role in allergic inflammation, asthma, and parasite immunity. Stimulation of eosinophils with IL-5 leads to their activation, upregulation of CD11b expression, and inhibition of apoptosis (Shearer).

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Anti-CD4 Rat Monoclonal Antibody [clone: RM4-5]

Anti-CD4 Rat Monoclonal Antibody [clone: RM4-5]

Supplier: STEMCELL Technologies

Rat monoclonal IgG2a antibody against mouse CD4, unconjugated.

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Anti-SHIP Rabbit Polyclonal Antibody

Anti-SHIP Rabbit Polyclonal Antibody

Supplier: STEMCELL Technologies

Rabbit polyclonal antibody against mouse SHIP, unconjugated.

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Anti-CD4 Mouse Monoclonal Antibody [clone: OKT4]

Anti-CD4 Mouse Monoclonal Antibody [clone: OKT4]

Supplier: STEMCELL Technologies

Mouse monoclonal IgG2b antibody against human, rhesus, cynomolgus CD4, unconjugated.

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Anti-IFN-gamma Rat Monoclonal Antibody [clone: XMG1.2] (APC)

Anti-IFN-gamma Rat Monoclonal Antibody [clone: XMG1.2] (APC)

Supplier: STEMCELL Technologies

Rat monoclonal IgG1, antibody against mouse IFN-gamma, APC-conjugated.

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Anti-CD34 Mouse Monoclonal Antibody [clone: 581]

Anti-CD34 Mouse Monoclonal Antibody [clone: 581]

Supplier: STEMCELL Technologies

Mouse monoclonal IgG1 antibody against human CD34, unconjugated.

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Anti-Igg1 Isotype Control Rat Monoclonal Antibody [clone: RTK2071]

Supplier: STEMCELL Technologies

Rat monoclonal IgG1, kappa isotype control antibody, unconjugated.

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Mouse/Rat Recombinant RANTES (CCL5)

Mouse/Rat Recombinant RANTES (CCL5)

Supplier: STEMCELL Technologies

RANTES (regulated upon activation, normal T cell expressed and secreted), also known as CCL5, is a member of the CC family of chemokines and is able to recruit leukocytes to sites of inflammation (Schall et al.). RANTES is secreted by T lymphocytes, macrophages, platelets, synovial fibroblasts, tubular epithelium, and certain types of tumor cells (Aldinucci and Colombatti; Soria and Ben-Baruch). This chemokine exerts its effect by interacting with the chemokine receptors CCR1, CCR3, CCR4, and CCR5. RANTES plays an active role in recruiting a variety of leukocytes into inflammatory sites, including T cells, macrophages, eosinophils, and basophils. In collaboration with certain cytokines that are released by T cells such as IL-2 and IFN-γ, RANTES also induces the activation and proliferation of NK cells to generate CC chemokine-activated killer cells, which are highly cytolytic (Lv et al.; Maghazachi et al.). It has been shown that RANTES produced by CD8+ T cells inhibits HIV infection of primary human peripheral blood mononuclear cells (Appay and Rowland-Jones; Cocchi et al.).

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Anti-CD33 Mouse Monoclonal Antibody [clone: HIM3-4]

Anti-CD33 Mouse Monoclonal Antibody [clone: HIM3-4]

Supplier: STEMCELL Technologies

Mouse monoclonal IgG1 antibody against human, chimpanzee CD33, unconjugated.

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Anti-TCR Beta Hamster Monoclonal Antibody [clone: H57-597]

Anti-TCR Beta Hamster Monoclonal Antibody [clone: H57-597]

Supplier: STEMCELL Technologies

Hamster (Armenian) monoclonal antibody against mouse T cell receptor beta, unconjugated.

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Human IFN-gamma ELISA Kit

Human IFN-gamma ELISA Kit

Supplier: STEMCELL Technologies

For detection and measurement of human interferon-gamma.

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Anti-CD45R (B220) Rat Monoclonal Antibody [clone: RA3-6B2]

Anti-CD45R (B220) Rat Monoclonal Antibody [clone: RA3-6B2]

Supplier: STEMCELL Technologies

Rat monoclonal IgG2a antibody against human, mouse, cat CD45R (B220), unconjugated.

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Anti-CD19 Mouse Monoclonal Antibody [clone: HIB19]

Anti-CD19 Mouse Monoclonal Antibody [clone: HIB19]

Supplier: STEMCELL Technologies

Mouse monoclonal IgG1 antibody against human, chimpanzee CD19, unconjugated.

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Mouse Recombinant IL-2

Mouse Recombinant IL-2

Supplier: STEMCELL Technologies

Interleukin 2 (IL-2) is a monomeric cytokine that was originally identified as a T cell growth factor (Gaffen and Liu). It binds to a heterotrimeric receptor 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 et al.). 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 et al.). Targeted deletions of the IL-2 gene in mice resulted in development of autoimmune hemolytic anemia, followed by ulcerative colitis. Similar effects were observed in mice that were deficient in IL-2 receptor α (Gaffen and Liu).

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Anti-CD3 Mouse Monoclonal Antibody [clone: SK7] (APC)

Anti-CD3 Mouse Monoclonal Antibody [clone: SK7] (APC)

Supplier: STEMCELL Technologies

Mouse monoclonal antibody against human, chimpanzee CD3, APC-conjugated.

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Mouse TNF-alpha ELISA Kit

Mouse TNF-alpha ELISA Kit

Supplier: STEMCELL Technologies

For detection and measurement of mouse tumor necrosis factor-alpha.

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