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Botulinum neurotoxins are the most toxic natural substances and represent a major threat to the population when intentionally released in bioterrorist attacks. On the other hand, during the past two decades botulinum neurotoxins have become established as indispensable drugs for the treatment of a variety of severe neurological disorders. The need for efficient countermeasures as well as the expansion into additional fields of therapeutic application, call for comprehensive information on the botulinum neurotoxin molecules and their mode of action. Our knowledge of this subject has made great strides in recent years, setting the stage for the development of new botulinum neurotoxin-based molecules and novel applications. This book reviews the current status of basic botulinum neurotoxin research. The first part describes the genetic variability of the toxin-producing bacteria, and sheds light on each step from toxin ingestion to the abrogation of synaptic signaling including the intestinal passage and absorption, nerve cell binding and entry, and intracellular substrate cleavage. The remaining chapters detail progress made in detection methods for botulinum neurotoxins, the development of botulinum neurotoxin inhibitors, and strategies to refine the neurotoxins for further medicinal applications by means of recombinant technologies.

Botulinum toxin -- Therapeutic use. --- Botulinum Toxins -- therapeutic use. --- Botulinum toxin --- Botulinum Toxins --- Biological Science Disciplines --- Peripheral Nervous System Agents --- Metalloendopeptidases --- Natural Science Disciplines --- Bacterial Proteins --- Physiological Effects of Drugs --- Bacterial Toxins --- Metalloproteases --- Pharmacologic Actions --- Toxins, Biological --- Proteins --- Disciplines and Occupations --- Endopeptidases --- Amino Acids, Peptides, and Proteins --- Biological Factors --- Peptide Hydrolases --- Chemical Actions and Uses --- Chemicals and Drugs --- Hydrolases --- Enzymes --- Enzymes and Coenzymes --- Botulinum Toxins, Type A --- Pharmacology --- Neuromuscular Agents --- Health & Biological Sciences --- Human Anatomy & Physiology --- Medicine --- Animal Biochemistry --- Pharmacy, Therapeutics, & Pharmacology --- Neurology --- Therapeutic use --- Botulinum toxin. --- Neurotoxic agents. --- Neuropoisons --- Neurotoxicants --- Neurotoxins --- Botox (Trademark) --- Botulin --- Botulinismus toxin --- Botulinum neurotoxin --- Botulinus toxin --- Clostridium botulinum toxin --- Medicine. --- Neurosciences. --- Pharmacology. --- Biomedicine. --- Pharmacology/Toxicology. --- Drug effects --- Medical pharmacology --- Medical sciences --- Chemicals --- Chemotherapy --- Drugs --- Pharmacy --- Neural sciences --- Neurological sciences --- Neuroscience --- Nervous system --- Clinical sciences --- Medical profession --- Human biology --- Life sciences --- Pathology --- Physicians --- Physiological effect --- Poisons --- Bacterial toxins --- Neurotoxic agents --- Toxicology. --- Poisoning --- Toxicology --- Clostridium