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16p11.2 deletion mice exhibit compromised fronto-temporal connectivity, GABAergic dysfunction, and enhanced attentional ability

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16p11.2 deletion mice exhibit compromised fronto-temporal connectivity, GABAergic dysfunction, and enhanced attentional ability. / Openshaw, Rebecca L.; Thomson, David M.; Bristow, Greg C. et al.
In: Communications Biology, Vol. 6, No. 1, 24.05.2023.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Openshaw, RL, Thomson, DM, Bristow, GC, Mitchell, EJ, Pratt, JA, Morris, BJ & Dawson, N 2023, '16p11.2 deletion mice exhibit compromised fronto-temporal connectivity, GABAergic dysfunction, and enhanced attentional ability', Communications Biology, vol. 6, no. 1. https://doi.org/10.1038/s42003-023-04891-2

APA

Openshaw, R. L., Thomson, D. M., Bristow, G. C., Mitchell, E. J., Pratt, J. A., Morris, B. J., & Dawson, N. (2023). 16p11.2 deletion mice exhibit compromised fronto-temporal connectivity, GABAergic dysfunction, and enhanced attentional ability. Communications Biology, 6(1). https://doi.org/10.1038/s42003-023-04891-2

Vancouver

Openshaw RL, Thomson DM, Bristow GC, Mitchell EJ, Pratt JA, Morris BJ et al. 16p11.2 deletion mice exhibit compromised fronto-temporal connectivity, GABAergic dysfunction, and enhanced attentional ability. Communications Biology. 2023 May 24;6(1). doi: 10.1038/s42003-023-04891-2

Author

Openshaw, Rebecca L. ; Thomson, David M. ; Bristow, Greg C. et al. / 16p11.2 deletion mice exhibit compromised fronto-temporal connectivity, GABAergic dysfunction, and enhanced attentional ability. In: Communications Biology. 2023 ; Vol. 6, No. 1.

Bibtex

@article{0df30d62bcee42e1908c3b8478aed700,
title = "16p11.2 deletion mice exhibit compromised fronto-temporal connectivity, GABAergic dysfunction, and enhanced attentional ability",
abstract = "Autism spectrum disorders are more common in males, and have a substantial genetic component. Chromosomal 16p11.2 deletions in particular carry strong genetic risk for autism, yet their neurobiological impact is poorly characterised, particularly at the integrated systems level. Here we show that mice reproducing this deletion (16p11.2 DEL mice) have reduced GABAergic interneuron gene expression (decreased parvalbumin mRNA in orbitofrontal cortex, and male-specific decreases in Gad67 mRNA in parietal and insular cortex and medial septum). Metabolic activity was increased in medial septum, and in its efferent targets: mammillary body and (males only) subiculum. Functional connectivity was altered between orbitofrontal, insular and auditory cortex, and between septum and hippocampus/subiculum. Consistent with this circuit dysfunction, 16p11.2 DEL mice showed reduced prepulse inhibition, but enhanced performance in the continuous performance test of attentional ability. Level 1 autistic individuals show similarly heightened performance in the equivalent human test, also associated with parietal, insular-orbitofrontal and septo-subicular dysfunction. The data implicate cortical and septal GABAergic dysfunction, and resulting connectivity changes, as the cause of pre-attentional and attentional changes in autism.",
author = "Openshaw, {Rebecca L.} and Thomson, {David M.} and Bristow, {Greg C.} and Mitchell, {Emma J.} and Pratt, {Judith A.} and Morris, {Brian J.} and Neil Dawson",
year = "2023",
month = may,
day = "24",
doi = "10.1038/s42003-023-04891-2",
language = "English",
volume = "6",
journal = "Communications Biology",
publisher = "Nature Research",
number = "1",

}

RIS

TY - JOUR

T1 - 16p11.2 deletion mice exhibit compromised fronto-temporal connectivity, GABAergic dysfunction, and enhanced attentional ability

AU - Openshaw, Rebecca L.

AU - Thomson, David M.

AU - Bristow, Greg C.

AU - Mitchell, Emma J.

AU - Pratt, Judith A.

AU - Morris, Brian J.

AU - Dawson, Neil

PY - 2023/5/24

Y1 - 2023/5/24

N2 - Autism spectrum disorders are more common in males, and have a substantial genetic component. Chromosomal 16p11.2 deletions in particular carry strong genetic risk for autism, yet their neurobiological impact is poorly characterised, particularly at the integrated systems level. Here we show that mice reproducing this deletion (16p11.2 DEL mice) have reduced GABAergic interneuron gene expression (decreased parvalbumin mRNA in orbitofrontal cortex, and male-specific decreases in Gad67 mRNA in parietal and insular cortex and medial septum). Metabolic activity was increased in medial septum, and in its efferent targets: mammillary body and (males only) subiculum. Functional connectivity was altered between orbitofrontal, insular and auditory cortex, and between septum and hippocampus/subiculum. Consistent with this circuit dysfunction, 16p11.2 DEL mice showed reduced prepulse inhibition, but enhanced performance in the continuous performance test of attentional ability. Level 1 autistic individuals show similarly heightened performance in the equivalent human test, also associated with parietal, insular-orbitofrontal and septo-subicular dysfunction. The data implicate cortical and septal GABAergic dysfunction, and resulting connectivity changes, as the cause of pre-attentional and attentional changes in autism.

AB - Autism spectrum disorders are more common in males, and have a substantial genetic component. Chromosomal 16p11.2 deletions in particular carry strong genetic risk for autism, yet their neurobiological impact is poorly characterised, particularly at the integrated systems level. Here we show that mice reproducing this deletion (16p11.2 DEL mice) have reduced GABAergic interneuron gene expression (decreased parvalbumin mRNA in orbitofrontal cortex, and male-specific decreases in Gad67 mRNA in parietal and insular cortex and medial septum). Metabolic activity was increased in medial septum, and in its efferent targets: mammillary body and (males only) subiculum. Functional connectivity was altered between orbitofrontal, insular and auditory cortex, and between septum and hippocampus/subiculum. Consistent with this circuit dysfunction, 16p11.2 DEL mice showed reduced prepulse inhibition, but enhanced performance in the continuous performance test of attentional ability. Level 1 autistic individuals show similarly heightened performance in the equivalent human test, also associated with parietal, insular-orbitofrontal and septo-subicular dysfunction. The data implicate cortical and septal GABAergic dysfunction, and resulting connectivity changes, as the cause of pre-attentional and attentional changes in autism.

U2 - 10.1038/s42003-023-04891-2

DO - 10.1038/s42003-023-04891-2

M3 - Journal article

VL - 6

JO - Communications Biology

JF - Communications Biology

IS - 1

ER -