Preliminary Program

Friday, 20 June 2025

08.00  Registration
 
08.30 Opening including patients talk
clinical and molecular basics of GNAO1
L. v.d. Pol, Amsterdam/NL; M. Thiel, Cologne/D; H. Mikkers, Leiden/NL
 
09.00

Basic biology of GNAO1 signaling

Molecular mechanisms of GNAO1 disorder: mouse models and functional studies
K. Martemyanov, Jupiter, FL/USA

Molecular and cellular defects of pathogenic GNAO1 variants
V. Katanaev, Geneva/CH

Regulators of G protein Signaling
H. Dohlman, Chapel Hill/USA
 

10.30 Coffee break
 
10.50

Preclinical models of GNAO1-related disease

Induced pluripotent stem cells for studying the GNAO1-related neurodevelopmental disorder
H. Mikkers, Leiden/NL

Human iPSC-based GNAO1 disease models show impaired neuronal differentiation and function
A. Rosa, Rome/I

Insights from C. eleganas Models of Post-Synaptic Disorders affecting GPCR-cAMP Signaling
S. Martinelli, Rome/I

Drosophila models in GNAO1
M. Savitsky, Geneva/CH

Studies on the Role of GNAO1 in Synaptic Transmission in a Mouse Model
H. Suh-Kim, Suwom, ROK
 

12.50 Lunch break
 
13.40

Drug / therapeutic discovery programs dedicated to the disease

Pre-clinical development of a CRISPR-mediated gene therapy for GNAO1 Encephalopathy using patient stem cells and a mouse model
P. Kazemian, Vancouver/CDN

Personalized Allele-Selective ASO for GNAO1 Neurodevelopmental Disorder
I. Shomer, Ramat Gan/IL

Base editing technology and translational studies
D. Li, Shanghai/CHN

Gene therapy for GNAO1-related disorder
C. Limatola, Rome/I
 

15.10 Coffee to go break/
Communication workshop for parents and kids

 
15.30

Poster Walk with short presentation

Consensus-based domains and instruments for a GNAO1 registry: a modified Delphi procedure
L. Heideman, Amsterdam/NL

GABAergic and cholinergic neurons are the main determinants of hyperactive locomotion in C. elegans model of GNAO1 encephalopathy
M. Di Rocco, Rome/I

Functional characterization of mutant GNAO1 hiPSC-derived striatal neurons
R. de Mori, Rome/I

Exploring the impact of dyskinetic crises in GNAO1-related disorders: A survey for parents and caregivers
J. Dominguez-Carral, Barcelona/E

Impact of GNAO1 point mutations on neurite formation and elongation
D. Silachev, Geneve/CH

Caregivers perspectives and decision-making on deep brain stimulation in GNAO1-related disorders
J. Dominguez-Carral, Barcelona/E
 

16.20

Clinical trials dedicated to the disease

First Insights and Experiences with Zinc in GNAO1-Related Disorders - ZINCGNAO1 Trial
M. Thiel, Cologne/D

Caffein in GNAO1-related disorders
V. Leuzzi, Rome/I

Updates about the GNAO1-EU project
G. Zorzi, Milano/I

Visualizing the Dominant GPCR-Coupling of GNAO1 Mutations
G. Solis, Geneve/CH

 

17.50 Aperitivo
18.10

Talks of accepted abstracts

Repositioning disulfiram as a potentail durg for GNAO1-neurodevelopmental disorders
Y. Larasati, Geneve/CH

Neuronal oscillatory imbalances in GNAO1-related disorders associted with disease severity
T. Wang, Amsterdam/NL

Study of the pathophysiology of GNAO1 encephalopathy using patient hiPSC-derived neurons
M. Saez Gonzalez. Leiden/NL

18.40 Round Table
 

Saturday, 21 June 2025

08.30 Wrap up of friday for parents
Including discussion and Q&A
 
09.10 Coffee break
 
09.30

Clinical aspects of the disease: conventional approaches and patient care innovations

Insight in language comprehension and communication abilities in children with GNAO1
J. Geytenbeek, Amsterdam/NL

Feeding and swallowing in rare neurological disorders
A. Cerchiari, Rome/I; C. Murgioni, Rome/I

Epilepsy in GNAO1
E. Axeen, Charlottesville, VA/USA

Advances in GNAO1 research: Patient-centered approaches, caregiver insights, and natural history analysis
D. Ortigoza-Escobar, Barcelona/E


 

11.00 Coffee break/
Communication workshop for parents and kids

 
11.30

Feeding Sessions with parents
A. Cerchiari; C. Murgioni, Rome/I

Various

Risk – benefit ratio of deep brain stimulation (including experiences of GEPESTIM -Registry)
A. Koy, Cologne/D

Rehabilitation in neurological disorders and GNAO1
K. Martakis, Gießen/D

Transition from childhood to adulthood (video presentation)
L. de Graaff, Rotterdam/NL
 

12.40

Lunch break

13.40

Various


The Dual Process Model - Coping with grief
Y. Kuijer, Bilthoven/NL

Siblings and Family managing
Melanie Gräßer, Lippstadt/D

How to become happy again in a life you didn‘t choose. Me-Movement The Happiness Plan
T. de Jong, Amsterdam/NL
 

15.10 Coffee break
 
15.30

Clinical Cases and rising Star session

Young researchers presenting their word conecpts or ideas

Discussion of difficult clinical cases
16.30 Discussion and Good bye
 
17.00 End of Day 2