SNX27 : A trans-species cognitive modulator with implications for anxiety and stress susceptibility
© 2024 The Authors..
Sorting Nexin 27 (SNX27) is a brain-enriched endosome-associated cargo adaptor that shapes excitatory control, being relevant for cognitive and reward processing, and for several neurological conditions. Despite this, SNX27's role in the nervous system remains poorly explored. To further understand SNX27 function, we performed an extensive behavioral characterization comprising motor, cognitive and emotional dimensions of SNX27+/- mice. Furthermore, attending on the recently described association between SNX27 function and cellular stress signaling mechanisms in vitro, we explored SNX27-stress interplay using a Caenorhabditis elegans Δsnx-27 mutant and wild-type (WT) rodents after stress exposure. SNX27+/- mice, as C. elegans Δsnx-27 mutants, present cognitive impairments, highlighting a conserved role for SNX27 in cognitive modulation across species. Interestingly, SNX27 downmodulation leads to anxiety-like behavior in mice evaluated in the Elevated Plus Maze (EPM). This anxious phenotype is associated with increased dendritic complexity of the bed nucleus of the stria terminalis (BNST) neurons, and increased complexity of the basolateral amygdala (BLA) pyramidal neurons. These findings highlight the still unknown role of SNX27 in anxiety regulation. Moreover, we uncovered a direct link between SNX27 dysfunction and stress susceptibility in C. elegans and found that stress-exposed rodents display decreased SNX27 levels in stress-susceptible brain regions. Altogether, we provided new insights on SNX27's relevance in anxiety-related behaviors and neuronal structure in stress-associated brain regions.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:30 |
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| Enthalten in: |
Neurobiology of stress - 30(2024) vom: 31. März, Seite 100619 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Armada, Gisela [VerfasserIn] |
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| Links: |
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| Themen: |
Cognition |
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| Anmerkungen: |
Date Revised 20.03.2024 published: Electronic-eCollection Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1016/j.ynstr.2024.100619 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM369904346 |
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| 520 | |a © 2024 The Authors. | ||
| 520 | |a Sorting Nexin 27 (SNX27) is a brain-enriched endosome-associated cargo adaptor that shapes excitatory control, being relevant for cognitive and reward processing, and for several neurological conditions. Despite this, SNX27's role in the nervous system remains poorly explored. To further understand SNX27 function, we performed an extensive behavioral characterization comprising motor, cognitive and emotional dimensions of SNX27+/- mice. Furthermore, attending on the recently described association between SNX27 function and cellular stress signaling mechanisms in vitro, we explored SNX27-stress interplay using a Caenorhabditis elegans Δsnx-27 mutant and wild-type (WT) rodents after stress exposure. SNX27+/- mice, as C. elegans Δsnx-27 mutants, present cognitive impairments, highlighting a conserved role for SNX27 in cognitive modulation across species. Interestingly, SNX27 downmodulation leads to anxiety-like behavior in mice evaluated in the Elevated Plus Maze (EPM). This anxious phenotype is associated with increased dendritic complexity of the bed nucleus of the stria terminalis (BNST) neurons, and increased complexity of the basolateral amygdala (BLA) pyramidal neurons. These findings highlight the still unknown role of SNX27 in anxiety regulation. Moreover, we uncovered a direct link between SNX27 dysfunction and stress susceptibility in C. elegans and found that stress-exposed rodents display decreased SNX27 levels in stress-susceptible brain regions. Altogether, we provided new insights on SNX27's relevance in anxiety-related behaviors and neuronal structure in stress-associated brain regions | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Cognition | |
| 650 | 4 | |a Mood | |
| 650 | 4 | |a Nervous system | |
| 650 | 4 | |a Sorting Nexin 27 | |
| 650 | 4 | |a Stress | |
| 700 | 1 | |a Roque, Susana |e verfasserin |4 aut | |
| 700 | 1 | |a Serre-Miranda, Cláudia |e verfasserin |4 aut | |
| 700 | 1 | |a Ferreira, Liliana |e verfasserin |4 aut | |
| 700 | 1 | |a Vale, Ana |e verfasserin |4 aut | |
| 700 | 1 | |a Rodrigues, Ana João |e verfasserin |4 aut | |
| 700 | 1 | |a Hong, Wanjin |e verfasserin |4 aut | |
| 700 | 1 | |a Correia-Neves, Margarida |e verfasserin |4 aut | |
| 700 | 1 | |a Vieira, Neide |e verfasserin |4 aut | |
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