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Genetic Variations in Hyperinsulinemic Hypoglycemia: Active versus Inactive Mutations
Salsabeel H Sabi1, Roaa K Alzreqat2, Ammar M Almaaytah3
1Basic Sciences Department, The Hashemite University, Zarqa, Jordan.
Insights
Hyperinsulinemic hypoglycemia (HH) is a rare genetic disorder causing dangerously low blood glucose in newborns. Early diagnosis and treatment are crucial to prevent severe brain damage.
Area of Science:
- Pediatric Endocrinology
- Medical Genetics
- Neonatology
Background:
- Hyperinsulinemic hypoglycemia (HH) is a rare neonatal condition characterized by persistent low blood glucose levels.
- This condition poses significant risks to brain development if not promptly diagnosed and managed.
- Genetic mutations affecting glucose metabolism and insulin secretion are primary causes of HH.
Purpose of the Study:
- To review the genetic variations associated with hyperinsulinemic hypoglycemia.
- To summarize current diagnostic approaches for HH.
- To outline treatment strategies for affected newborns.
Main Methods:
- Literature review of genetic mutations in 16 key genes involved in glucose metabolism and insulin secretion.
- Analysis of diagnostic methods for identifying HH.
- Summary of therapeutic interventions for managing hyperinsulinemic hypoglycemia.
Main Results:
- Identified 16 genes implicated in HH, with mutations occurring in diffuse or focal patterns affecting pancreatic beta cells.
- Highlighted the critical role of genetic variations in the pathogenesis of HH.
- Emphasized the need for accurate diagnosis to guide appropriate treatment.
Conclusions:
- Genetic mutations are the underlying cause of hyperinsulinemic hypoglycemia.
- Comprehensive genetic analysis and diagnostic evaluation are essential for effective management.
- Timely intervention is critical for improving outcomes in infants with HH.
Abstract:
Hyperinsulinemic Hypoglycemia (HH) is a rare condition that affects newborn children in the postnatal period, represented by dangerously low levels of blood glucose in a persistent manner, which puts the baby at high risk of multiple issues, especially regarding the brain cells if the baby does not take the appropriate medication or have the correct diagnosis. Hyperinsulinemic Hypoglycemia can happen due to an active or inactive mutation in 16 genes responsible for glucose metabolism and insulin secretion (GLUD1, GCK, SLC16A1, HK1, CACNA1D, KCNJ11, ABCC8, FOXA2, HNF1A, HNF4A, HADH, PGM1, UCP2, KCNQ1, PMM2, EIF2S3). These mutations can take place in many forms, either defused or local, affecting several or all pancreatic beta cells respectively. This review summarizes genetic variations diagnosis and treatment of Hyperinsulinemic Hypoglycemia.
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