ArticleNeurochemical research2019
Intranasal Delivery of Botulinum Neurotoxin A Protects against Hippocampal Neuron Death in the Lithium-Pilocarpine Rat Model.
Article in Neurochemical research, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed, 7 citations in OpenAlex.
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Authors and funding
14 authors at 1 institution in 1 country.
Funding
Abstract
Botulinum neurotoxins (BoNTs) block the release of a series of neurotransmitters, which are pivotal for neuron action. Intrahippocampal administration of BoNTs inhibits glutamate release, protects neurons against cell death, and attenuates epileptic seizures. Compared with intrahippocampal administration, intranasal delivery is less invasive and more practical for chronic drug administration. To assess whether intranasal administration is feasible, we examined the role of botulinum neurotoxin A (BoNT/A) in hippocampal neuronal injury after status epilepticus (SE) induced by pilocarpine. Our data showed BoNT/A could bypass the blood-brain barrier (BBB) and entered the olfactory bulb and hippocampal neurons. In addition, SE could result in up-regulation of pro-apoptotic proteins (Caspase-3, Bax), down-regulation of anti-apoptotic protein Bcl-2 and neuronal death in hippocampus. BoNT/A could suppress the expression of Caspase-3 and Bax, attenuate the decrease of Bcl-2, and inhibit hippocampal neuron death induced by SE. Meanwhile, there was no significant difference in cognitive behavior between the BoNT/A-pretreated rats and normal rats. Thus, we provided a more convenient and less invasive route for taking advantage of BoNT/A in the field of anti-epilepsy.
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