The GABAergic hypothesis for cognitive disabilities in down syndrome

A Contestabile, S Magara, L Cancedda - Frontiers in cellular …, 2017 - frontiersin.org
Down syndrome (DS) is a genetic disorder caused by the presence of a third copy of
chromosome 21. DS affects multiple organs, but it invariably results in altered brain …

GABAergic over-inhibition, a promising hypothesis for cognitive deficits in Down syndrome

JZ de San Martin, JM Delabar, A Bacci… - Free Radical Biology and …, 2018 - Elsevier
Down syndrome (DS), also known as trisomy 21, is the most common genetic cause of
intellectual disability. It is also a model human disease for exploring consequences of gene …

Reducing GABAA α5 receptor-mediated inhibition rescues functional and neuromorphological deficits in a mouse model of down syndrome

C Martínez-Cué, P Martínez, N Rueda… - Journal of …, 2013 - Soc Neuroscience
Down syndrome (DS) is associated with neurological complications, including cognitive
deficits that lead to impairment in intellectual functioning. Increased GABA-mediated …

Treating enhanced GABAergic inhibition in Down syndrome: use of GABA α5-selective inverse agonists

C Martínez-Cué, B Delatour, MC Potier - Neuroscience & Biobehavioral …, 2014 - Elsevier
Excess inhibition in the brain of individuals carrying an extra copy of chromosome 21 could
be responsible for cognitive deficits observed throughout their lives. A change in the …

Increased efficiency of the GABAA and GABAB receptor-mediated neurotransmission in the Ts65Dn mouse model of Down syndrome

AM Kleschevnikov, PV Belichenko, J Gall… - Neurobiology of …, 2012 - Elsevier
Cognitive impairment in Down syndrome (DS) involves the hippocampus. In the Ts65Dn
mouse model of DS, deficits in hippocampus-dependent learning and synaptic plasticity …

Deficits in cognition and synaptic plasticity in a mouse model of Down syndrome ameliorated by GABAB receptor antagonists

AM Kleschevnikov, PV Belichenko, M Faizi… - Journal of …, 2012 - Soc Neuroscience
Cognitive impairment in Down syndrome (DS) is characterized by deficient learning and
memory. Mouse genetic models of DS exhibit impaired cognition in hippocampally mediated …

Specific targeting of the GABA-A receptor α5 subtype by a selective inverse agonist restores cognitive deficits in Down syndrome mice

J Braudeau, B Delatour, A Duchon… - Journal of …, 2011 - journals.sagepub.com
An imbalance between inhibitory and excitatory neurotransmission has been proposed to
contribute to altered brain function in individuals with Down syndrome (DS). Gamma …

From abnormal hippocampal synaptic plasticity in down syndrome mouse models to cognitive disability in down syndrome

N Cramer, Z Galdzicki - Neural plasticity, 2012 - Wiley Online Library
Down syndrome (DS) is caused by the overexpression of genes on triplicated regions of
human chromosome 21 (Hsa21). While the resulting physiological and behavioral …

Molecular and cellular mechanisms elucidating neurocognitive basis of functional impairments associated with intellectual disability in Down syndrome

M Rachidi, C Lopes - American journal on intellectual and …, 2010 - meridian.allenpress.com
Down syndrome, the most common genetic cause of intellectual disability, is associated with
brain disorders due to chromosome 21 gene overdosage. Molecular and cellular …

Astrocytes in Down syndrome across the lifespan

B Ponroy Bally, KK Murai - Frontiers in Cellular Neuroscience, 2021 - frontiersin.org
Down Syndrome (DS) is the most common genetic cause of intellectual disability in which
delays and impairments in brain development and function lead to neurological and …