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EGFP/RFP-based FRET sensors for botulinum neurotoxin A biological activity detection and methodological validation.
Anal Chim Acta
February 2025
Joint Drug Development and Innovation Centre for Neurological Disorders of Lanzhou University-China National Biotec Group-Lanzhou Biotechnology Development Co., School of Pharmacy, Lanzhou University, Lanzhou, Gansu, 730000, PR China; MOE Frontiers Science Center for Rare Isotopes, Lanzhou University, Lanzhou, Gansu, 730000, PR China. Electronic address:
Background: Botulinum neurotoxin type A (BoNT/A) is the most potent and prevalent neurotoxin known to cause botulism, and is also widely used in medical and cosmetic applications. The detection of BoNT/A is of great significance for botulism diagnosis and drug potency determination. Currently, the mouse bioassay (MBA) has long been the gold standard method but has disadvantages of ethical concerns, long testing duration, and high costs.
View Article and Find Full Text PDFIatrogenic Botulism Following Botulinum Toxin Injection as an Adjunct to Abdominal Wall Reconstruction for Incisional Hernia.
Cureus
November 2024
General Surgery, Hospital Professor Doutor Fernando Fonseca, Amadora, PRT.
Open ventral hernia repair is one of the most commonly performed surgeries by general surgeons worldwide. In the case of complex incisional hernias, there are adjunct techniques that can help abdominal wall reconstruction surgery, such as type A botulinum toxin (BTA), whose injection results in muscle relaxation and growth of muscle fiber length, allowing fascial closure without the need for advanced techniques. We report a case of a male patient who underwent ultrasound-guided BTA injection in the abdominal wall and, five days later, was admitted to our emergency department with dysarthria, muscular weakness, dyspnea on small exertion, and constipation.
View Article and Find Full Text PDFSiO/Si interferometers designed for on-site botulinum neurotoxin serotypes B and C quantification and biological activity assessment.
Biosens Bioelectron
March 2025
Institute of Agricultural Engineering, ARO, Volcani Institute, Rishon LeZion, 7505101, Israel. Electronic address:
Botulinum neurotoxins (BoNT), the agent causing botulism, exhibit the highest potency among bacterial toxins and pose a significant threat to both humans and animals. The current in vivo method (mouse lethality assay, MLA) is inappropriate for real-time and pen-side assessment of the occurring outbreak or case. Herein, we describe a reflective-based biosensor capable of detecting the toxin's type and activity state by competitive immunoassay and endopeptidase activity, respectively.
View Article and Find Full Text PDFBotulinum toxin injection versus lateral internal sphincterotomy for chronic anal fissure: a meta-analysis of randomized control trials.
Langenbecks Arch Surg
November 2024
Jiroft University of Medical Sciences, Jiroft, Iran.
Background: Anal fissures, tears in the epithelium of the anal canal that cause pain and bleeding, have a lifetime prevalence of 11%. While surgical treatments, such as lateral internal sphincterotomy are traditional, they pose postoperative complications. Recent studies investigated less invasive options involving botulinum toxin injection, showing promise with fewer adverse effects.
View Article and Find Full Text PDFType B botulism mimicking a drug-induced anticholinergic syndrome.
J Fr Ophtalmol
November 2024
Service d'ophtalmologie, centre hospitalier national ophtalmologique des Quinze-Vingts, 28, rue de Charenton, 75012 Paris, France.
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