Projects

Systematic Investigation of Early Social Cognitive Processes and the Feasibility of Intervention

For Year 1, our project aims were: 1) to characterize the social, cognitive, and affective processes in preschoolers with PWS (by genetic subtype), in comparison to preschoolers with ASD and typically developing children, and 2) to pilot a remotely delivered parent education program to determine if it would be feasible and effective for families false

Neural mechanisms of oxytocin-enhanced infant feeding and social behavior development

This project uses infant mice to understand the mechanism of a promising treatment for PWS. Oxytocin (OXT) regulates feeding and social behavior. In mouse research and recent clinical trials with infants and young children, OXT seems to improve the core feeding and social behavior disturbances of PWS. In humans, OXT is effective when it is given false

CRISPR-mediated 3D modeling, molecular dissection and epigenetic profiling of PWS

Deletions on chromosome 15 in the bands labeled 15q11.2-q13 on the chromosome inherited from a subject’s father cause Prader-Willi syndrome (PWS). The unique nature of this causative genetic event has been known for many years, but the precise manner in which it causes the developmental abnormalities of PWS is not completely understood since the false

The SNORD116-NHLH2 pathway: insights into the molecular genetic basis of Prader-Willi Syndrome

Prader-Willi Syndrome (PWS) is a genetic condition resulting from paternal inheritance of a deletion within an imprinted region of chromosome 15q. The smallest known deleted region encompasses a small nucleolar non-coding RNA locus called SNORD116 (SNORD116), but very little is known about how deletion of SNORD116 leads to PWS. As shown using false

Dissecting a novel brainstem feeding circuit in Prader-Willi syndrome

There is currently no cure for Prader-Willi syndrome (PWS). PWS is a complex and debilitating disorder that significantly impacts the lives of not only affected patients, but their families, as well. Recent work has revealed a genetic basis for PWS, and a number of the genes affected are known to have unique expression patterns throughout the false

Examination Of Incidence Of Individuals With PWS Undergoing Total Hip and Knee Arthroplasty

Orthopedic anomalies are common in patients with Prader-Willi syndrome (“PWS”). Surveys suggest that roughly 19% of individuals with PWS may be diagnosed with knock knees, 10% with hip dysplasia, 7% with patellofemoral instability, and 3% with bowlegs. Yet, there is little consensus among orthopedists about how best to address these issues in false

A mindfulness-based intervention for temper outbursts in Prader–Willi syndrome

Temper outbursts are one of the most commonly reported behavior problems of children, adolescents and adults with PWS. Outbursts cause increased stress for families and costs for the community. Despite this, there is currently no known treatment. Meditation on the Soles of the Feet (SoF) is a mindfulness-based intervention designed specifically to false

Therapeutic Potential of Blocking Zinc Finger Protein 274 Binding to the PWS Locus

Our goal is to understand the molecular pathways disrupted in Prader-Willi syndrome (PWS) and to develop therapeutic interventions for this disorder. Through the biological process called genomic imprinting, the chromosome 15 that is inherited from the father has a set of genes that is switched on while the same set of genes on the chromosome 15 false

Evaluating factors that may affect the efficacy of intranasal oxytocin treatment in PWS

Recent studies with oxytocin treatment in PWS have yielded inconsistent results. Intranasal administration of oxytocin by the Toulouse group decreased disruptive behaviors in patients with PWS, but a recent randomized trial in Australia of adolescents and adults of intranasal oxytocin (IN-OT) found no effect on syndrome-specific behavior in false

Gene Expression Analysis in PWS Subject Derived Dental Pulp Stem Cell Neurons (year 2)

There are two goals to this study: 1) To identify differences between individuals with PWS with autism from those who have PWS without autism using technology that analyzes how genes are expressed and 2) To identify a new role for SNORD115 and SNORD116 which may help explain the PWS condition or how other very small molecules that do not make false

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