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Exploring genotype-phenotype relationships in the CDKL5 deficiency disorder using an international datasetCharacterized 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.
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Association between ABO, Rh blood groups, lip and dermatoglyphic patterns, and nonsyndromic oral clefts: A case-control studyThe objective of the study is to determine the association between nonsyndromic oral clefts (OC) in children and ABO, Rh blood groups, lip, and dermatoglyphic patterns of their unaffected parents.
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Implementing Telehealth support to increase physical activity in girls and women with Rett syndromeHelen Jenny Leonard Downs MBChB MPH BApplSci (physio) MSc PhD Principal Research Fellow Program Head, Development and Disability +61 419 956 946 08
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Multigenerational Familial and Environmental Risk for Autism (MINERvA) NetworkEmma Helen Glasson Leonard BPsych BSc (Hons) PhD MBChB MPH Senior Research Fellow Principal Research Fellow +61 419 956 946 emma.glasson@
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Altered attainment of developmental milestones influences the age of diagnosis of rett syndromeThis study describes the attainment of gross developmental milestones and regression, and assesses the relationships between genotype and age at diagnosis.
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A comparison of autism prevalence trends in Denmark and Western AustraliaPrevalence statistics for autism spectrum disorders (ASD) vary widely across geographical boundaries. Some variation can be explained by diagnostic methods...
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The impact of single gene and chromosomal disorders on hospital admissions of children and adolescents: A population-based studyIt is well recognized that genetic disease makes a significant contribution to childhood illness. Here, we present recent population data describing...
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The use of cross-jurisdictional population data to investigate health indicators of child maltreatmentTo investigate the prevalence, trends, and characteristics of maltreatment and assault related hospital admissions and deaths among children
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Atypical presentations and specific genotypes are associated with a delay in diagnosis in females with Rett syndromeThere is often delay between onset of Rett syndrome symptoms and its diagnosis, possibly related to symptom presentation or socio-demographic factors.
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Hip displacement and scoliosis in Rett syndrome - screening is requiredThe prevalence of hip displacement and spinal deformity in a clinic population of females with Rett syndrome to define implications for screening and management