Question 1

What is Prader-Willi syndrome due to paternal deletion of 15q11q13 type 2?

Accepted Answer

Prader-Willi syndrome due to paternal deletion of 15q11q13 type 2 is a complex condition that primarily affects neurodevelopment, endocrine function, and physical growth. It typically presents with early feeding difficulties and marked hypotonia in infancy, followed later by the development of excessive hunger and obesity along with behavioral challenges. The underlying cause involves genomic imprinting, where the expression of genes depends on whether they are inherited from the mother or the father. Prevalence estimates are not well defined, and individual experiences with the condition vary considerably.

Question 2

What are the symptoms of Prader-Willi syndrome due to paternal deletion of 15q11q13 type 2?

Accepted Answer

Individuals with this condition often exhibit significant hypotonia and feeding difficulties in early infancy, which can prompt clinical evaluation. As they grow, many develop an excessive appetite (polyphagia) leading to obesity, along with endocrine issues such as delayed puberty, hypogonadism, and abnormalities in thyroid function. Neurological and behavioral features, including abnormal temper tantrums, autistic behaviors, self-injurious actions, and occasional psychosis, are also observed. Not all individuals experience all features, and severity varies considerably.

Question 3

What causes Prader-Willi syndrome due to paternal deletion of 15q11q13 type 2?

Accepted Answer

This condition involves genomic imprinting, a phenomenon where gene expression depends on whether the gene is inherited from the mother or the father. In cases of Prader-Willi syndrome due to paternal deletion, the normal expression of genes on the paternally inherited chromosome 15 is disrupted, leading to the clinical features observed. Recurrence risk depends on the underlying molecular mechanism and should be discussed with a genetic counselor. The precise genetic basis remains complex and continues to be investigated.

Question 4

How is Prader-Willi syndrome due to paternal deletion of 15q11q13 type 2 diagnosed?

Accepted Answer

Diagnosis is confirmed through molecular genetic testing, with methylation analysis serving as the gold standard to detect the imprinting abnormality associated with this condition. Clinical evaluation that considers the early hypotonia, feeding difficulties, and subsequent behavioral and endocrine features further supports the diagnosis. Because symptoms can overlap with other conditions, genetic testing is essential to distinguish Prader-Willi syndrome from other disorders with similar presentations.

Question 5

Are there treatments for Prader-Willi syndrome due to paternal deletion of 15q11q13 type 2?

Accepted Answer

Currently, management focuses on supportive care and symptom management tailored to the individual. A multidisciplinary approach involving endocrinologists, nutritionists, developmental specialists, and other healthcare professionals is central to addressing the diverse needs of affected individuals. Regular surveillance is an essential part of long-term care, helping to identify potential complications before they become serious. Patients should discuss treatment options with their healthcare team, and genetic counseling is recommended to guide family planning and ongoing care.

Question 6

Are there clinical trials for Prader-Willi syndrome due to paternal deletion of 15q11q13 type 2?

Accepted Answer

Yes, there is currently 1 active clinical trial for Prader-Willi syndrome due to paternal deletion of 15q11q13 type 2 registered on ClinicalTrials.gov. Clinical trials test new treatments, procedures, or approaches. Your healthcare provider can help determine if a trial might be appropriate for your situation. Visit the Treatment section of this page for more details.

Question 7

Where can I find support for Prader-Willi syndrome due to paternal deletion of 15q11q13 type 2?

Accepted Answer

Patient advocacy organizations for Prader-Willi syndrome due to paternal deletion of 15q11q13 type 2 include Prader-Willi Syndrome Association (UK). These organizations can provide information, connect you with other families, and help navigate care. Visit the Support section of this page for full details and contact information.

Question 8

What are the long-term complications of Prader-Willi syndrome due to paternal deletion of 15q11q13 type 2?

Accepted Answer

Prader-Willi syndrome due to paternal deletion of 15q11q13 type 1

MONDO:0015783

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Prader-Willi syndrome due to paternal 15q11q13 deletion

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Prader-Willi syndrome due to imprinting mutation

MONDO:0015786

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Prader-Willi syndrome due to translocation

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Schaaf-Yang syndrome

MONDO:0014243

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Question 9

How does Prader-Willi syndrome due to paternal deletion of 15q11q13 type 2 affect daily life?

Accepted Answer

Daily life for individuals with Prader-Willi syndrome due to paternal deletion can be challenging. They often require structured routines to manage their appetite and prevent obesity, as well as support for behavioral issues. Families may need to work closely with healthcare professionals to create a supportive environment that addresses the unique needs of their loved one.

Question 10

What is the life expectancy for someone with Prader-Willi syndrome due to paternal deletion of 15q11q13 type 2?

Accepted Answer

Individuals with Prader-Willi syndrome due to paternal deletion can live into adulthood, but life expectancy can vary widely. Factors such as the severity of symptoms, age at diagnosis, and access to specialized care play a significant role in overall health and longevity. Ongoing care and support can help improve quality of life and health outcomes.

Question 11

What specialists should be involved in the care of someone with Prader-Willi syndrome due to paternal deletion of 15q11q13 type 2?

Accepted Answer

Care for someone with Prader-Willi syndrome due to paternal deletion should involve a team of specialists. This typically includes endocrinologists for hormone management, nutritionists for dietary guidance, and developmental specialists for behavioral support. Working with a multidisciplinary team can help address the diverse needs of individuals with this condition.

Kisho

Prader-Willi syndrome due to paternal deletion of 15q11q13 type 2

Overview

Clinical Presentation

Diagnosis

Prognosis

Research Landscape

Patient Support

Patient Advocacy Groups

Medical References

External Resources

Orphanet

GARD

Questions for Your Care Team

Questions for Your Care Team

FAQ

Frequently Asked Questions

Explore clinical features

Recent Publications

Prader-Willi syndrome due to paternal deletion of 15q11q13 type 2

Overview

Clinical Presentation

Diagnosis

Prognosis

Research Landscape

Patient Support

Patient Advocacy Groups

Medical References

External Resources

Orphanet

GARD

Related Diseases

Questions for Your Care Team

Questions for Your Care Team

FAQ

Frequently Asked Questions

What is Prader-Willi syndrome due to paternal deletion of 15q11q13 type 2?

What are the symptoms of Prader-Willi syndrome due to paternal deletion of 15q11q13 type 2?

What causes Prader-Willi syndrome due to paternal deletion of 15q11q13 type 2?

How is Prader-Willi syndrome due to paternal deletion of 15q11q13 type 2 diagnosed?

Are there treatments for Prader-Willi syndrome due to paternal deletion of 15q11q13 type 2?

Are there clinical trials for Prader-Willi syndrome due to paternal deletion of 15q11q13 type 2?

Where can I find support for Prader-Willi syndrome due to paternal deletion of 15q11q13 type 2?

What are the long-term complications of Prader-Willi syndrome due to paternal deletion of 15q11q13 type 2?

How does Prader-Willi syndrome due to paternal deletion of 15q11q13 type 2 affect daily life?

What is the life expectancy for someone with Prader-Willi syndrome due to paternal deletion of 15q11q13 type 2?

What specialists should be involved in the care of someone with Prader-Willi syndrome due to paternal deletion of 15q11q13 type 2?

Explore clinical features

Recent Publications