Cited by 6Dementia and Cognitive Impairment ResearchAlzheimer's disease research and treatmentsSleep and Wakefulness Research

Increased orexin a concentrations in cerebrospinal fluid of patients with behavioural variant frontotemporal dementia

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Roveta, Fausto, Marcinnò, Andrea, Cremascoli, Riccardo, Priano, Lorenzo, Cattaldo, Stefania, Rubino, Elisa, Gallo, Erica, Boschi, Silvia +2 more·2022·Neurological Sciences

Abstract

Orexins are hypothalamic neuropeptides that regulate several physiological functions, such as appetite, arousal, cognition, stress, sleep and metabolism. Emerging pieces of evidence suggest an orexinergic dysfunction in several neuropsychiatric disorders, including depression, anxiety and addiction. A syndromic overlap between behavioural variant frontotemporal dementia (bvFTD) and several psychiatric disorders was recently demonstrated. Therefore, we analysed cerebrospinal fluid (CSF) orexin A concentrations of 40 bvFTD and 32 non-demented patients, correlating neuropeptide concentrations with several clinical characteristics. A significant increase of orexin A concentrations was found in bvFTD patients when compared to controls (p<0.001). CSF orexin A concentration showed a correlation with Mini-Mental State Examination scores, drug assumption, history of compulsive behaviour and extrapyramidal signs. Moreover, we found a relationship between CSF markers of neurodegeneration, total tau and Aβ 1–42 and CSF orexin A concentrations. Our study provides evidence of an orexinergic dysfunction in bvFTD, correlating with several clinical symptoms. Further larger studies are needed to confirm our data.

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Authors
Roveta, F., Marcinnò, A., Cremascoli, R., Priano, L., Cattaldo, S., Rubino, E., Gallo, E., Boschi, S., Mauro, A., & Rainero, I.
Affiliations
  • IRCCS Istituto Auxologico Italiano (IT)
  • University of Turin (IT)
  • University of Pavia (IT)
  • Azienda Ospedaliera Citta' della Salute e della Scienza di Torino (IT)
Corresponding author
Priano, Lorenzo
Venue
Neurological Sciences
Published
2021-04-27
Volume
43
Issue
1
Pages
313-317
ISSN
  • 1590-1874 (ISSN-L)
  • 1590-3478
OpenAlex
W3158642298
Cited by
6
References
19
Citations by year
2025: 4 · 2024: 2
FWCI
0.36
Type
journal article
Language
en
Open access
Locations
  • Neurological Sciences (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Institutional Research Information System University of Turin (University of Turin) (submittedVersion, other-oa)
Funders
Università degli Studi di Torino
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Sleep and Wakefulness Research
Keywords
orexin-A, behavioral variant frontotemporal dementia, cerebrospinal fluid biomarkers, neurodegeneration, tau protein, amyloid-beta, compulsive behaviour, extrapyramidal signs, neuropsychiatric symptoms
MeSH terms
Orexins, Humans, Case-Control Studies, Frontotemporal Dementia

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