GNAO1-related movement disorder: an update on phenomenology, clinical course, and response to treatments

M Novelli, S Galosi, G Zorzi, S Martinelli… - Parkinsonism & Related …, 2023 - Elsevier
Aim To evaluate clinical phenotype and molecular findings of 157 cases with GNAO1
pathogenic or likely pathogenic variants delineating the clinical spectrum, course, and …

Nomenclature of genetic movement disorders: recommendations of the International Parkinson and Movement Disorder Society task force–an update

LM Lange, P Gonzalez‐Latapi… - Movement …, 2022 - Wiley Online Library
Abstract In 2016, the Movement Disorder Society Task Force for the Nomenclature of
Genetic Movement Disorders presented a new system for naming genetically determined …

Restoration of the GTPase activity and cellular interactions of Gαo mutants by Zn2+ in GNAO1 encephalopathy models

YA Larasati, M Savitsky, A Koval, GP Solis… - Science …, 2022 - science.org
De novo point mutations in GNAO1, gene encoding the major neuronal G protein Gαo, have
recently emerged in patients with pediatric encephalopathy having motor, developmental …

Molecular diagnostic yield of exome sequencing in patients with cerebral palsy

A Moreno-De-Luca, F Millan, DR Pesacreta… - Jama, 2021 - jamanetwork.com
Importance Cerebral palsy is a common neurodevelopmental disorder affecting movement
and posture that often co-occurs with other neurodevelopmental disorders. Individual cases …

Severity of GNAO1‐Related Disorder Correlates with Changes in G‐Protein Function

J Domínguez‐Carral, WG Ludlam… - Annals of …, 2023 - Wiley Online Library
Objective GNAO1‐related disorders (OMIM# 615473 and# 617493), caused by variants in
the GNAO1 gene, are characterized by developmental delay or intellectual disability …

Gαo is a major determinant of cAMP signaling in the pathophysiology of movement disorders

BS Muntean, I Masuho, M Dao, LP Sutton, S Zucca… - Cell reports, 2021 - cell.com
The G protein alpha subunit o (Gαo) is one of the most abundant proteins in the nervous
system, and pathogenic mutations in its gene (GNAO1) cause movement disorder. However …

Highlighting the Dystonic Phenotype Related to GNAO1

T Wirth, G Garone, MA Kurian, A Piton… - Movement …, 2022 - Wiley Online Library
Background Most reported patients carrying GNAO1 mutations showed a severe phenotype
characterized by early‐onset epileptic encephalopathy and/or chorea. Objective The aim …

KMT2B-related disorders: expansion of the phenotypic spectrum and long-term efficacy of deep brain stimulation

L Cif, D Demailly, JP Lin, KE Barwick, M Sa, L Abela… - Brain, 2020 - academic.oup.com
Heterozygous mutations in KMT2B are associated with an early-onset, progressive and
often complex dystonia (DYT28). Key characteristics of typical disease include focal motor …

Caenorhabditis elegans provides an efficient drug screening platform for GNAO1-related disorders and highlights the potential role of caffeine in controlling …

M Di Rocco, S Galosi, E Lanza, F Tosato… - Human Molecular …, 2022 - academic.oup.com
Dominant GNAO1 mutations cause an emerging group of childhood-onset neurological
disorders characterized by developmental delay, intellectual disability, movement disorders …

Mouse models characterize GNAO1 encephalopathy as a neurodevelopmental disorder leading to motor anomalies: from a severe G203R to a milder C215Y …

D Silachev, A Koval, M Savitsky, G Padmasola… - Acta Neuropathologica …, 2022 - Springer
GNAO1 encephalopathy characterized by a wide spectrum of neurological deficiencies in
pediatric patients originates from de novo heterozygous mutations in the gene encoding …