Shiga toxin II subunit B Matched ELISA Antibody Pair Set,E. coli

Cat: SEK40019

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Shiga toxin II subunit B Matched ELISA Antibody Pair Set,E. coli General Information

Product name
Shiga toxin II subunit B Matched ELISA Antibody Pair Set,E. coli
Assay type
Solid Phase Sandwich ELISA
Specificity
Quantitative determination of E. coli Shiga toxin II subunit B
Assay range
34.38-2200
Materials provided
1. Capture Antibody 1 mg/mL of mouse anti-Enterohemorrhagic E. coli (EHEC) STX2B / Syntaxin 2 monoclonal antibody (in PBS, pH 7.4). Dilute to a working concentration of 2 μg/mL in PBS before coating. (Catalog: # 40019-MM08)
2. Detection Antibody 0.2 mg/mL of mouse anti-Enterohemorrhagic E. coli (EHEC) STX2B / Syntaxin 2 monoclonal antibody conjugated to horseradish-peroxidase (HRP) (in PBS, 50 % HRP-Protector, pH 7.4, store at 4℃). Dilute to working concentration of 0.5 μg/mL in detection antibody dilution buffer before use. (Catalog: # 40019-MM13)
3. Standard Each vial contains 50 ng of recombinant Enterohemorrhagic E. coli (EHEC) STX2B / Syntaxin 2. Reconstitute with 1 mL detection antibody dilution buffer. After reconstitution, store at -20℃ to -80℃ in a manual defrost freezer. A seven-point standard curve using 2-fold serial dilutions in sample dilution buffer, and a high standard of 2200 pg/mL is recommended.
Product overview
This Shiga toxin II subunit B Matched ELISA Antibody Pair Set,E. coli is a solid phase sandwich ELISA for quantitative determination of E. coli Shiga toxin II subunit B . It contains E. coli Shiga toxin II subunit B capture antibody, E. coli Shiga toxin II subunit B detector antibody (HRP) and a highly purified E. coli-expressed recombinant E. coli Shiga toxin II subunit B protein. This Pair Set is at affordable price for researchers.
Shipping
This Matched ELISA Antibody Pair Set is shipped at ambient temperature.
Storage
Capture Antibody: Aliquot and store at -20℃ to -80℃ for up to 6 months from date of receipt. Avoid repeated freeze-thaw cycles.
Detection Antibody: Store at 4℃ and protect it from prolonged exposure to light for up to 6 months from date of receipt. DO NOT FREEZE!
Standard: Store lyophilized standard at -20℃ to -80℃ for up to 6 months from date of receipt. Aliquot and store the reconstituted Standard at -80℃ for up to 1 month. Avoid repeated freeze-thaw cycles.

Shiga toxin II subunit B Matched ELISA Antibody Pair Set,E. coli Images

E. coli stx2B / Shiga toxin II subunit B ELISA Pair Set Standard Curve 13972

Shiga toxin II subunit B Matched ELISA Antibody Pair Set,E. coli Alternative Names

stx2dB Matched ELISA Antibody Pair Set, E. coli;stx2gB Matched ELISA Antibody Pair Set, E. coli

Shiga toxin II subunit B Background Information

E. Coli STX2B is a subunit of Stx2. Stx2, together with Stx1, formed a family of related toxins which are known as shiga toxins. Shiga toxins are mainly produced by the bacteria S. dysenteriae and the Shigatoxigenic group of Escherichia coli, which includes serotypes O157:H7, O104:H4, and other enterohemorrhagic E. coli (EHEC). A total of 3222 outbreak cases (including 39 deaths) have been reported in northern Germany in May through June 2011. The outbreak strain was typed as an enteroaggregative Shiga-toxin–producing E. coli O104:H4, producing extended-spectrum beta-lactamase. The toxin has two subunits—A and B. E. Coli STX2B is the B subunit. It is a pentamer that binds to specific glycolipids on the host cell, specifically globotriaosylceramide. Following this, the A subunit is internalised and cleaved into two parts. Stx2 has been found to be approximately 400 times more toxic (as quantified by LD50 in mice) than Stx-1. The Stx1 and Stx2 B subunits form a pentameric structure that binds to globotriaosylceramidereceptors on eukaryotic cells and promotes endocytosis

References
  • Obata F. et al. (2008) Shiga Toxin 2 Affects the Central Nervous System through Receptor Globotriaosylceramide Localized to Neurons. J Infect Dis. 198 (9): 1398-406.
  • Tironi-Farinati C. et al. (2010) Intracerebroventricular Shiga toxin 2 increases the expression of its receptor globotriaosylceramide and causes dendritic abnormalities. J Neuroimmunol. 222 (1-2): 48-61.
  • Asakura H. et al. (2001) Phylogenetic diversity and similarity of active sites of Shiga toxin (stx) in Shiga toxin-producing Escherichia coli (STEC) isolates from humans and animals. Epidemiol Infect. 127 (1): 27-36.
  • Product Description Assay Range (pg/ml) Sample Type Catalog# (PDF)
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