Neuropeptides and the Autonomic Nervous System in Prader-Willi Syndrome
Charlotte Höybye1,2, Maria Petersson1,2
1Department of Endocrinology, Karolinska University Hospital, 171 76 Stockholm, Sweden.
International Journal of Molecular Sciences
|January 10, 2026
Summary
Prader-Willi syndrome (PWS) involves genetic defects impacting the hypothalamus and autonomic nervous system (ANS). This review explores how neuropeptides may cause ANS dysfunction in PWS patients.
Area of Science:
- Neuroscience
- Genetics
- Endocrinology
Background:
- Prader-Willi syndrome (PWS) is a rare genetic disorder linked to chromosome 15 abnormalities.
- PWS is characterized by hypothalamic dysfunction, affecting autonomic nervous system (ANS) regulation.
- Symptoms include hypotonia, growth issues, feeding problems, hyperphagia, obesity, and various ANS dysfunctions.
Purpose of the Study:
- To review current evidence on neuropeptide involvement in autonomic dysfunction in PWS.
- To explore potential mechanisms linking neuropeptides to ANS dysregulation in PWS.
- To synthesize findings from animal models and human studies.
Main Methods:
- Literature review of animal models and human studies.
- Synthesis of existing research on neuropeptides and PWS.
- Analysis of neuropeptide roles in ANS regulation.
Main Results:
- Neuropeptides are known to regulate appetite, metabolism, and behavior in PWS.
- Limited research exists on neuropeptides' role in other autonomic functions in PWS.
- Evidence suggests neuropeptides may significantly contribute to ANS dysfunction in PWS.
Conclusions:
- Neuropeptides are implicated in PWS pathophysiology, particularly in appetite and metabolism.
- Further research is needed to fully understand the role of neuropeptides in PWS-related autonomic dysfunction.
- Investigating neuropeptides offers potential therapeutic targets for managing PWS symptoms.
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