Botulinum toxin type A in motor nervous system: unexplained observations and new challenges (CROSBI ID 231227)
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Podaci o odgovornosti
Matak, Ivica ; Lacković, Zdravko ; Relja, Maja
engleski
Botulinum toxin type A in motor nervous system: unexplained observations and new challenges
In the motor system, botulinum toxin type A (BoNT/A) actions were classically attributed to its well-known peripheral anticholinergic actions in neuromuscular junctions. However, the enzymatic activity of BoNT/A, assessed by the detection of cleaved synaptosomal-associated protein 25 (SNAP- 25), was recently detected in motor and sensory regions of the brainstem and spinal cord after toxin peripheral injection in rodents. In sensory regions, the function of BoNT/A activity is associated with its antinociceptive effects, while in motor regions we only know that BoNT/A activity is present. Is it possible that BoNT/A presence in central motor nuclei is without any function? In this brief review, we analyze this question. Limited data available in the literature warrant further investigations of BoNT/A actions in motor nervous system
Botulinum toxin type A ; Synaptosomal-associated protein 25 ; Motor regions ; Central effect
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Temeljne medicinske znanosti