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Showing results for "autism"

Research

Exploring genotype-phenotype relationships in the CDKL5 deficiency disorder using an international dataset

Characterized by early-onset seizures, global developmental delay and severe motor deficits, CDKL5 deficiency disorder is caused by pathogenic variants in the cyclin-dependent kinase-like 5 gene. Previous efforts to investigate genotype-phenotype relationships have been limited due to small numbers of recurrent mutations and small cohort sizes. Using data from the International CDKL5 Disorder Database we examined genotype-phenotype relationships for 13 recurrent CDKL5 variants and the previously analyzed historic variant groupings. We have applied the CDKL5 Developmental Score (CDS) and an adapted version of the CDKL5 Clinical Severity Assessment (CCSA), to grade the severity of phenotype and developmental outcomes for 285 individuals with CDKL5 variants.

Research

Patterns of sedentary time and ambulatory physical activity in a Danish population of girls and women with Rett syndrome

High levels of sedentary time and low daily step counts in a Danish population of females with Rett syndrome

Research

Respiratory morbidity in Rett syndrome: An observational study

Rett syndrome is associated with increased vulnerability to lower respiratory tract infection requiring hospitalization

Research

Expanding the clinical picture of the MECP2 Duplication syndrome

People with two or more copies of MECP2 gene, located at Xq28, share clinical features and a distinct facial phenotype called MECP2 Duplication syndrome.

Research

Maternal life events during pregnancy and offspring language ability in middle childhood

There is accumulating evidence for a link between maternal stress during pregnancy and later behavioural and emotional problems in children.

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The incidence, prevalence and clinical features of MECP2 duplication syndrome in Australian children

MECP2 duplication syndrome is a rare but important diagnosis in children because of the burden of respiratory illness and recurrence risk

Research

The Lived Experience of Parents’ Receiving the Diagnosis of CDKL5 Deficiency Disorder for Their Child

CDKL5 deficiency disorder (CDD), a severe developmental and epileptic encephalopathy, is being diagnosed earlier with improved access to genetic testing, but this may also have unanticipated impacts on parents’ experience receiving the diagnosis. This study explores the lived experience of parents receiving a diagnosis of CDD for their child using mixed methods.

Research

Development of an International Database for a Rare Genetic Disorder: The MECP2 Duplication Database (MDBase)

The natural history of MECP2 duplication syndrome (MDS), a rare X-linked neurodevelopmental disorder with an estimated birth prevalence of 1/150,000 live births, is poorly understood due to a lack of clinical data collected for research. Such information is critical to the understanding of disease progression, therapeutic endpoints and outcome measures for clinical trials, as well as the development of therapies and orphan products.

Research

Use of the ketogenic diet to manage refractory epilepsy in CDKL5 disorder

In view of its side effect profile, ketogenic diet (KD) administration should be supervised by a pediatric neurologist and specialist dietician.