Category Archives: C. Difficile Toxins

See posts about List Biological Laboratories, Inc. C. Difficile Toxins

How to kick start the immune system

December 15, 2014

By: Karen Crawford, Ph.D. President, List Biological Laboratories, Inc.   Many bacterial products are potent immune system activators, helping our bodies identify and defend against microbial invasions.  The innate immune system or non-specific immune system is found in animals as…

Bacterial toxins for vaccine research and design

October 21, 2014

By: Suzanne Canada, Ph.D. Tanager Medical Writing   Vaccines have been used to help control diseases for more than 200 years and are the common practice for children and adults. Childhood vaccination has substantially reduced the morbidity and mortality from…

New C. difficile product and improvements

July 21, 2014

List Biological Laboratories, Inc. is pleased to announce a key addition to our Clostridium difficile Toxin A and Toxin B product line. Our new product, 155L is a liquid formulation of Toxin B. This product allows for the highest activity…

New C. difficile proteins improve discovery and detection

May 14, 2014

What is Clostridium Difficile? Clostridium difficile is the causative agent of antibiotic-associated diarrhea and pseudomembranous colitis.  It produces two major exotoxins, Toxin A and Toxin B; however, about 10% of strains isolated from patients with colitis also contain genes, coding…

Neutralizing Toxins with TNA (Toxin Neutralization Assays)

April 28, 2014

What Are Toxin Neutralization Assays & How Do They Work? For clinical detection or vaccine testing, it is hard to beat a toxin neutralization assay.  Toxin neutralization assays (TNA) assess the ability of antibodies to protect cells in culture from…