The Transcranial Light Therapy Improves Synaptic Plasticity in the Alzheimer's Disease Mouse Model.
Alzheimer’s disease
Alzheimer’s disease non-invasive treatment
LLLT
cognitive functions
synaptic plasticity
transcranial light therapy
Journal
Brain sciences
ISSN: 2076-3425
Titre abrégé: Brain Sci
Pays: Switzerland
ID NLM: 101598646
Informations de publication
Date de publication:
21 Sep 2022
21 Sep 2022
Historique:
received:
22
08
2022
revised:
10
09
2022
accepted:
15
09
2022
entrez:
27
10
2022
pubmed:
28
10
2022
medline:
28
10
2022
Statut:
epublish
Résumé
Alzheimer's disease (AD) is the main cause of dementia worldwide. Emerging non-invasive treatments such as photobiomodulation target the mitochondria to minimize brain damage, improving cognitive functions. In this work, an experimental design was carried out to evaluate the effect of transcranial light therapy (TLTC) on synaptic plasticity (SP) and cognitive functions in an AD animal model. Twenty-three mice were separated into two general groups: an APP/PS1 (ALZ) transgenic group and a wild-type (WT) group. Each group was randomly subdivided into two subgroups: mice with and without TLTC, depending on whether they would undergo treatment with TLTC. Cognitive function, measured through an object recognition task, showed non-significant improvement after TLTC. SP, on the other hand, was evaluated using four electrophysiological parameters from the Schaffer-CA1 collateral hippocampal synapses: excitatory field potentials (fEPSP), paired pulse facilitation (PPF), long-term depression (LTD), and long-term potentiation (LTP). An improvement was observed in subjects treated with TLTC, showing higher levels of LTP than those transgenic mice that were not exposed to the treatment. Therefore, the results obtained in this work showed that TLTC could be an efficient non-invasive treatment for AD-associated SP deficits.
Identifiants
pubmed: 36291206
pii: brainsci12101272
doi: 10.3390/brainsci12101272
pmc: PMC9599908
pii:
doi:
Types de publication
Journal Article
Langues
eng
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