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C. difficile Toxin A

Anti-C. difficile Toxin A Products
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- Derivation: Human
- Species Reactivity: C. difficile
- Type: IgG1 - kappa
- Application: IP, IF, FuncS, FC, Neut, ELISA, ICC
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- Type: Mouse antibody
- Application: ELISA
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- Type: Mouse antibody
- Application: ELISA
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- Species Reactivity: C. difficile
- Type: Human IgG1, κ
- Application: ELISA, WB
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- Species Reactivity: C. difficile
- Type: Human IgG
- Application: Neut, ELISA
- Anti-C. difficile toxin A Polyclonal Antibody (MRO-1019-MZ)
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- Type: Rabbit antibody
- Application: ELISA
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- Derivation: Hybridoma
- Species Reactivity: C. difficile
- Type: Mouse IgG, κ
- Application: ELISA, FuncS
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- Derivation: Hybridoma
- Species Reactivity: C. difficile
- Type: Mouse IgG, κ
- Application: ELISA, FuncS
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- Derivation: Hybridoma
- Species Reactivity: C. difficile
- Type: Mouse IgG, κ
- Application: ELISA
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- Derivation: Hybridoma
- Species Reactivity: C. difficile
- Type: Mouse IgG, κ
- Application: ELISA, FuncS
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- Species Reactivity: C. difficile
- Type: Human IgG
- Application: ELISA, Neut, FuncS, inhib
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- Species Reactivity: C. difficile
- Type: Human IgG
- Application: ELISA
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- Species Reactivity: C. difficile
- Type: Human IgG
- Application: ELISA
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- Species Reactivity: Clostridium difficile
- Type: Human IgG1, κ
- Application: ELISA, WB, Neut
- Human Anti-C. difficile toxin A Antibody (clone EV029105a), mRNA (HPAB-0083-WJ-mRNA)
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- Species Reactivity: Clostridium difficile
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- Derivation: Human
- Species Reactivity: C. difficile
- Type: ADCC enhanced antibody
- Application: IP, IF, FuncS, FC, Neut, ELISA
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- Species Reactivity: C. difficile
- Type: Mouse scFv
- Application: WB, ELISA, Neut
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- Species Reactivity: C. difficile
- Type: Mouse scFv
- Application: WB, ELISA, Neut
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- Species Reactivity: C. difficile
- Type: Mouse scFv
- Application: WB, ELISA, Neut
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- Species Reactivity: C. difficile
- Type: Mouse IgG
- Application: WB, ELISA, Neut
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- Species Reactivity: C. difficile
- Type: Mouse IgG
- Application: WB, ELISA, Neut
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- Species Reactivity: C. difficile
- Type: Mouse IgG
- Application: WB, ELISA, Neut
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- Application: ELISA
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- Species Reactivity: C. difficile
- Type: Mouse Fab
- Application: WB, ELISA, Neut
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- Species Reactivity: C. difficile
- Type: Mouse Fab
- Application: WB, ELISA, Neut
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- Species Reactivity: C. difficile
- Type: Mouse Fab
- Application: WB, ELISA, Neut
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- Species Reactivity: C. difficile
- Type: Human scFv
- Application: ELISA
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- Species Reactivity: C. difficile
- Type: Human scFv
- Application: ELISA
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- Species Reactivity: C. difficile
- Type: Human scFv
- Application: ELISA
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- Derivation: Hybridoma
- Species Reactivity: C. difficile
- Type: Mouse scFv
- Application: ELISA
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- Derivation: Hybridoma
- Species Reactivity: C. difficile
- Type: Mouse scFv
- Application: ELISA
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- Derivation: Hybridoma
- Species Reactivity: C. difficile
- Type: Mouse scFv
- Application: ELISA
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- Derivation: Hybridoma
- Species Reactivity: C. difficile
- Type: Mouse scFv
- Application: ELISA
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- Species Reactivity: C. difficile
- Type: Human scFv
- Application: ELISA, WB
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- Species Reactivity: C. difficile
- Type: Human scFv
- Application: Neut, ELISA
- Recombinant Human Anti-C. difficile toxin A Antibody scFv Fragment (EV029105a) (HPAB-0083-WJ-S(P))
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- Species Reactivity: Clostridium difficile
- Type: Human scFv
- Application: ELISA, WB
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- Species Reactivity: C. difficile
- Type: Human Fab
- Application: Neut, ELISA
- Recombinant Human Anti-C. difficile toxin A Antibody Fab Fragment (EV029105a) (HPAB-0083-WJ-F(E))
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- Species Reactivity: Clostridium difficile
- Type: Human Fab
- Application: ELISA, WB
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- Species Reactivity: C. difficile
- Type: Human Fab
- Application: ELISA, WB
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- Derivation: Hybridoma
- Species Reactivity: C. difficile
- Type: Mouse Fab
- Application: ELISA
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- Derivation: Hybridoma
- Species Reactivity: C. difficile
- Type: Mouse Fab
- Application: ELISA
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- Derivation: Hybridoma
- Species Reactivity: C. difficile
- Type: Mouse Fab
- Application: ELISA
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- Derivation: Hybridoma
- Species Reactivity: C. difficile
- Type: Mouse Fab
- Application: ELISA
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- Species Reactivity: C. difficile
- Type: Human Fab
- Application: ELISA
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- Species Reactivity: C. difficile
- Type: Human Fab
- Application: ELISA
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- Species Reactivity: C. difficile
- Type: Human Fab
- Application: ELISA
- Recombinant Anti-C. diff Toxin A VHH Single Domain Antibody (NAB-2386-VHH)
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- Species Reactivity: C. difficile
- Type: Llama VHH
- Application: IHC, ICC, IP, ChiP, Neut
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For Research Use Only. Not For Clinical Use.
Background
C. difficile toxin A is a toxin produced by C. difficile. It is similar to C. difficile toxin B. Toxins act by destroying the intestinal mucosa and cause symptoms of C. difficile infection, including pseudomembranous colitis. TcdA is one of the largest known bacterial toxins. The molecular weight is 308 kDa and is usually described as an effective enterotoxin, but it also has some cytotoxic activity. Toxins act by glucosylation to modify host cell GTPase proteins, resulting in changes in cellular activity. Risk factors for C. difficile infection include antibiotic treatment, which can destroy the normal gut microbiota and cause colonization of C. difficile bacteria. TcdA must be internalized into host cells by endocytosis to obtain a cytosol. Receptor binding is the first step required to enter a cell by endocytosis in acidic endosomes. Low pH in the endosomes induce structural changes, such as exposure to hydrophobic domains, which are critical for TcdA function. Actoxumab is a human monoclonal antibody used to prevent recurrence of C. difficile infection. The drug, along with bezlotoxumab, was developed through a phase II trial of Medarex in collaboration with MassBiologics of the University of Massachusetts Medical School.

Clostridium difficile toxin A (TcdA) is a toxin generated by Clostridium difficile. It is similar to Clostridium difficile Toxin B. The toxins are the main virulence factors produced by the gram positive, anaerobic, Clostridium difficile bacteria. The toxins function by damaging the intestinal mucosa and cause the symptoms of C. difficile infection, including pseudomembranous colitis.