Bacterial Toxin Research Citations

Anti-PA and anti-LF IgG and IgA antibody titers:

Anti-PA and anti-LF immunoglobulin G (IgG) titers in mouse serum samples were determined by enzyme-linked immunosorbent assay (ELISA) using purified PA or LF protein (List Biological Laboratories, Campbell, CA) as the capture antigen. …

Author did not indicate which specific lethal factor was utilized.  List Labs provides Product #172 (Anthrax Lethal Factor (LF), Recombinant from B. anthracis) and Product #169 (Anthrax Lethal Factor (LF-A), Recombinant from B. anthracis Native Sequence).

• Product #171 – Anthrax Protective Antigen (PA), Recombinant from B. anthracis

Preparation of bacteria culture filtrate:

… A standard curve was generated using serially diluted commercial toxin A or toxin B products with known concentrations (List Biological Lab, 152C and 155B, respectively). Standard curves were plotted as the standard toxin A or toxin B protein concentration (ng/ml) against the corresponding mean OD value of replicates. …

• Product #152C – Toxin A from Clostridium difficile
• Product #155B – Toxin B from Clostridium difficile

Administration of BCG and CT:

The M. bovis BCG Tokyo 172 strain (Japan BCG Laboratory, Tokyo, Japan) was prepared as… CT and CTB were purchased from List Biological Lab, Campbell, CA. Groups of mice (6 mice/group) were given 50 µl of saline containing 500 µg of BCG and 1 µg of CT, 500 µg of BCG, 1µg of CT, or saline (controls) intranasally at 0 h, and samples were collected at 24 h. The intranasal doses of BCG and CT were based on previous studies…

• Product #100B – Cholera Toxin (AZIDE-FREE) from Vibrio cholerae

Sensitization:

Mice were orally sensitized to peanut by intragastric administration of 10mg ground peanut (prepared from shelled peanuts) in 0.2m sodium bicarbonate with 10µg of CT (List Biologicals, Campbell, CA) once a week for 6 weeks.

• Product #100B – Cholera Toxin (AZIDE-FREE) from Vibrio cholerae

Cholera toxin (List Biological Labs, Campbell, CA) was eliminated from KCM for canine and rat epithelial cell culture, but added at a concentration of 1 nm for human epidermal keratinocyte culture.

• Product #100B – Cholera Toxin (AZIDE-FREE) from Vibrio cholerae

Murine peanut allergy model:

… The mice were orally sensitized with 500 g of WPE along with 10 µg of cholera toxin (List Biological Laboratories, Campbell, Calif) once a week for 4 weeks. …

• Product #100B – Cholera Toxin (AZIDE-FREE) from Vibrio cholerae

Peanut plus CT administration:

One milligram of peanut (Kraft, Northfield, Ill) with 10 µg of CT (List Biological Laboratories, Campbell, Calif) in PBS was gavaged intragastrically by using 12-gauge, …

• Product #100B – Cholera Toxin (AZIDE-FREE) from Vibrio cholerae

Measurement of ISG expression by qRT-PCR:

mDCs were treated for 24 hours with 500 IU/ml of IFN- (PBL Interferon Source), 50 g/ml of poly(IC) (InvivoGen), or 5 g/ml of LPS (List Biological Laboratories). …

Author did not specify which List Labs LPS product was utilized in their research.  List Labs provides the following LPS products:  https://listlabs.com/product-information/lipopolysaccharides/

Reagents:

… LPS was obtained from List Biological Laboratories (San Jose, CA, USA). …

Author did not specify which List Labs LPS product was utilized in their research.  List Labs provides the following LPS products:  https://listlabs.com/product-information/lipopolysaccharides/

Reagents:

…Fibrillar A1-42 was generated by dissolving lyophilized A1-42 (American Peptide Co.) in double-distilled, endotoxin-free water at a concentration of 1 mM and incubated at 37C for 5 days and then stored at 4C as previously described (Burdick et al., 1992; Lorenzo and Yankner, 1994). Immediately prior to use, A was sonicated in a water-bath sonicator for 30 min. LPS (O111:B4) was purchased from List Biological Laboratories and sonicated for 30 minutes prior to use. …

• Product #201 –  LPS from Escherichia coli O111:B4