Overview

This volume focuses on the transport of medically relevant bacterial protein toxins into mammalian cells, and on novel pharmacological strategies to inhibit toxin uptake. The first chapters review our current understanding of the cell-surface receptors and cellular transport processes of Clostridium botulinum neurotoxins, Clostridium botulinum C3 toxin, Clostridium difficile toxins, binary clostridial enterotoxins, anthrax toxins and diphtheria toxin. In brief, specific binding/transport (B) subunits deliver the enzyme (A) subunits into the cytosol, where the latter modify their substrates, producing cytotoxic effects and the characteristic toxin-associated diseases. Key mechanisms for the transport of the A subunits from endosomes into the cytosol and the role of trans-membrane pores formed by the B subunits and host cell chaperones for this process are reviewed. The book’s closing chapters focus on compounds which inhibit the transport of the A subunits from endosomes into the cytosol and therefore might lead to novel therapeutic strategies for toxin-associated diseases. These substances include pharmacological inhibitors of the host cell chaperones involved, as well as multivalent and heterocyclic molecules that specifically block the toxins’ translocation channels. This volume offers an up-to-date resource for scientists.

Full Product Details

Author:   Holger Barth
Publisher:   Springer International Publishing AG
Imprint:   Springer International Publishing AG
Edition:   Softcover reprint of the original 1st ed. 2017
Volume:   406
Weight:   0.454kg
ISBN:  

9783319865027

ISBN 10:   3319865021
Pages:   256
Publication Date:   30 August 2018
Audience:   Professional and scholarly ,  Professional & Vocational
Format:   Paperback
Publisher's Status:   Active
Availability:   Manufactured on demand  
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Table of Contents

Two feet on the membrane: uptake of clostridial neurotoxins.- Receptors and binding structures for Clostridium difficile Toxins A and B.- Cell entry of C3 exoenzyme from Clostridium botulinum.- Receptor-binding and up-take of binary actin-ADP-ribosylating toxins.- Clostridial Binary Toxins: Basic Understandings that Include Cell-Surface Binding and an Internal “Coup de Grace”.- Host cell chaperones Hsp70/Hsp90 and peptidyl-prolyl cis/trans isomerases are required for the membrane translocation of bacterial ADP-ribosylating toxins.- Multivalent Inhibitors of Channel-Forming Bacterial Toxins.- Toxin Transport by A-B Type of Toxins in Eukaryotic Target Cells and its inhibition by Positively Charged Heterocyclic Molecules.

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Author Information

Holger Barth Institute of Pharmacology and Toxicology, University of Ulm Medical Center, Albert-Einstein-Allee 11, 89081 Ulm, Germany, e-mail: holger.barth@uni-ulm.de

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