Absence of mutations in NR2E1 and SNX3 in five patients with MMEP (microcephaly, microphthalmia, ectrodactyly, and prognathism) and related phenotypes
2007

Study of NR2E1 and SNX3 Genes in Patients with MMEP

Sample size: 5 publication Evidence: moderate

Author Information

Author(s): Kumar Ravinesh A, Everman David B, Morgan Chad T, Slavotinek Anne, Schwartz Charles E, Simpson Elizabeth M

Primary Institution: Centre for Molecular Medicine and Therapeutics, Child & Family Research Institute, University of British Columbia

Hypothesis

Mutations in the neighbouring gene NR2E1 may underlie MMEP and related phenotypes.

Conclusion

The study found no coding mutations in NR2E1 or SNX3 in patients with MMEP, but regulatory mutations may still play a role.

Supporting Evidence

  • No coding mutations were detected in NR2E1 or SNX3 in the studied patients.
  • A candidate regulatory mutation was identified in one patient but not in control subjects.
  • The study involved sequencing multiple regions of the NR2E1 gene.

Takeaway

The researchers looked at five patients with a rare condition and didn't find the usual gene mutations, but they think there might be other changes that could still cause problems.

Methodology

Mutation screening was performed using sequencing on five patients and 250 control subjects.

Limitations

The study cannot exclude the possibility of regulatory mutations or deletions at the NR2E1 or SNX3 loci.

Participant Demographics

Five patients with MMEP or related phenotypes, including Caucasian, Hispanic, and African-American individuals.

Digital Object Identifier (DOI)

10.1186/1471-2350-8-48

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