Biological toxins detection: a rapid diagnosis in an emergency response
2017
Lopes de Carvalho, I. | Cordeiro, R. | Saraiva, M. | Cunha, I.C. | Pelerito, A. | Núncio, M.S.
Toxins are chemical substances of biological origin, and they can be considered chemical or biological warfare agents. Four toxins are included in the list of bioterrorism agents: botulinum toxin (BoNT), saxitocin, ricin, and staphylococcal enterotoxin B. BoNT is included in Category A, while the other 3 are considered Category B. Botulism is a potentially fatal disease caused solely by the action of serologically distinct neurotoxins (BoNT/A, /B, /C, /D, /E, /F/ or /G) that prevent acetylcholine release at neuromuscular junctions, resulting in paralysis. The Emergency Response and Biopreparedness Unit is the Portuguese national reference laboratory for biological events or catastrophes and has skilled professionals, know-how, Biosafety Level (BSL)-3 facilities, capacity to work 24 hours per day, 7 days per week, and trained human resources to increase lab capacity in emergency situations. The laboratory diagnosis capacity includes the detection of bacteria, viruses, and toxins that are considered bioterrorism agents, using microbiology, immunology, and molecular biology techniques. Participation in European projects such as EquaTox allowed the upgrade of biosafety procedures and technical skills and the implementation of the best techniques to detect the biological toxins that can be used as biological weapons.
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Este registro bibliográfico ha sido proporcionado por Instituto Nacional de Saúde Dr. Ricardo Jorge