C9972
Cholera Toxin B subunit
biotin conjugate, lyophilized powder
Sinonimo/i:
CTB
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0.5 MG
CHF 251.00
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0.5 MG
CHF 251.00
About This Item
Prodotti consigliati
Coniugato
biotin conjugate
Livello qualitativo
Stato
lyophilized powder
PM
~12 kDa
Composizione
Protein, ~40% Lowry
Temperatura di conservazione
2-8°C
Stringa SMILE
CCOc1ccccc1C(=O)Nc2ccc(Cl)c(c2)C(F)(F)F
InChI
1S/C16H13ClF3NO2/c1-2-23-14-6-4-3-5-11(14)15(22)21-10-7-8-13(17)12(9-10)16(18,19)20/h3-9H,2H2,1H3,(H,21,22)
YDXZSNHARVUYNM-UHFFFAOYSA-N
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Descrizione generale
Cholera Toxin B (CTB) is secreted by Vibrio cholerae. CTB functions as an oral subunit vaccine for cholera, which is associated with acute watery diarrhoea. It acts as a mucosal immunogen.[1] Cholera toxin (CT) stimulates cell surface molecules, such as antigen presenting cells (APCs), murine and human dendritic cells (DCs). CT also has immunomodulatory properties. It induces the secretion of interleukin 1 (IL-1) from macrophages and enhances their APC function.[2]
Applicazioni
Cholera Toxin B subunit has been used:
- in immunofluorescence[3]
- in the analysis of major histocompatibility complex (MHC) class II lipid raft partitioning[4]
- in live cell three-dimensional tracking of SH-SY5Y human neuroblastoma cells[5]
- to assess the toll-like receptors (TLR) and FcRγ (Fc receptor γ chain) – CARD9 (caspase recruitment domain family member 9) activation by cholera Toxin B (CTB)[6]
Azioni biochim/fisiol
The cholera toxin B subunit is used for track tracing in neurological research, taking advantage of GM1 ganglioside binding and retrograde transport.
The cholera toxin B subunit is used for track tracing in neurological research, taking advantage of GM1 ganglioside binding and retrograde transport. Tissue culture cells treated with cholera toxin are not killed and tissues of animals do not become necrotic.
Qualità
Biotin content ~1.0 mole/mole protein.
Stato fisico
Lyophilized powder containing sodium phosphate buffer salts, sodium azide and sodium EDTA.
Risultati analitici
Activity measured by ELISA using ganglioside GM1-coated multiwell plates, rabbit anti-Cholera toxin B subunit, and peroxidase-labeled goat anti-rabbit IgG as the secondary antibody. 50% saturation of binding is achieved with 0.02-1 μg of Cholera toxin B subunit-biotin conjugate per mL. The conjugated B subunit gives a similar value for 50% binding to that of unconjugated B subunit from which it is prepared.
Indicazioni di pericolo
Consigli di prudenza
Classi di pericolo
Aquatic Chronic 3
Codice della classe di stoccaggio
11 - Combustible Solids
Classe di pericolosità dell'acqua (WGK)
WGK 3
Punto d’infiammabilità (°F)
Not applicable
Punto d’infiammabilità (°C)
Not applicable
Dispositivi di protezione individuale
Eyeshields, Gloves, type N95 (US)
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I clienti hanno visto anche
Evidence for TLR4 and FcRgamma-CARD9 activation by cholera toxin B subunit and its direct bindings to TREM2 and LMIR5 receptors
Phongsisay V, et al.
Molecular Immunology, 66(2), 463-471 (2015)
The Ia. 2 epitope defines a subset of lipid raft-resident MHC class II molecules crucial to effective antigen presentation
Busman-Sahay K, et al.
Journal of Immunology, 1100336-1100336 (2011)
Eva Koffeman et al.
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T-cells specific for a particular antigen represent a small percentage of the overall T-cell population. Detecting the presence of antigen specific T-cells in patients, animal models or populations of cultured cells has presented a challenge to researchers. The T-cell capture
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Live cells are three-dimensional environments where biological molecules move to find their targets and accomplish their functions. However, up to now, most single molecule investigations have been limited to bi-dimensional studies owing to the complexity of 3d-tracking techniques. Here, we
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