Mutations in UCP2 in Congenital Hyperinsulinism Reveal a Role for Regulation of Insulin Secretion
2008

UCP2 Mutations and Their Role in Congenital Hyperinsulinism

Sample size: 10 publication Evidence: moderate

Author Information

Author(s): González-Barroso M. Mar, Giurgea Irina, Bouillaud Fredéric, Anedda Andrea, Bellanné-Chantelot Christine, Hubert Laurence, de Keyzer Yves, de Lonlay Pascale, Ricquier Daniel

Primary Institution: Université Paris Descartes Site Necker-enfants Malades, CNRS UPR 9078 BIOTRAM, Paris, France

Hypothesis

Is UCP2 involved in the regulation of insulin secretion in congenital hyperinsulinism?

Conclusion

The study found that mutations in the UCP2 gene are associated with congenital hyperinsulinism and affect insulin secretion.

Supporting Evidence

  • Two unrelated children with congenital hyperinsulinism had heterozygous UCP2 variants.
  • Functional assays showed impaired activity of UCP2 mutants.
  • The study highlights a role for mitochondria in hormone secretion.

Takeaway

Some kids with a condition that makes them produce too much insulin have changes in a gene called UCP2, which helps control how insulin is released.

Methodology

The study involved genetic analysis of ten children with congenital hyperinsulinism and functional assays in yeast and insulin-secreting cells.

Limitations

The study only included a small sample size of ten children, which may limit the generalizability of the findings.

Participant Demographics

The participants were ten children with congenital hyperinsulinism, including two girls with specific UCP2 mutations.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1371/journal.pone.0003850

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