Low and High Expressing Alleles of the LMNA Gene: Implications for Laminopathy Disease Development
2011

LMNA Gene and Laminopathy Disease Development

Sample size: 11 publication Evidence: high

Author Information

Author(s): Rodríguez Sofía, Eriksson Maria, Veitia Reiner Albert

Primary Institution: Karolinska Institutet

Hypothesis

The existence of high and low expressing alleles in the LMNA locus contributes to phenotypic variability in laminopathies.

Conclusion

The study confirmed that the C allele of the LMNA gene is more frequently expressed, accounting for approximately 70% of the total lamin A and lamin C transcripts.

Supporting Evidence

  • The C allele accounts for approximately 70% of the total lamin A and lamin C transcripts.
  • The study developed an allele-specific absolute quantification method for the LMNA gene.
  • Differential expression of the two alleles was observed in the study.
  • The method can be useful for further studies on laminopathies.

Takeaway

This study looked at a gene that can cause different diseases and found that one version of the gene is used more often than another, which might help explain why some people get sicker than others.

Methodology

The study used allele-specific absolute quantification methods with real-time RT-PCR technology to measure transcript levels in human primary dermal fibroblast cultures.

Limitations

The study did not provide detailed information about the development of the clinical phenotype in the patients.

Participant Demographics

The study included 11 primary dermal fibroblast cultures from 8 different individuals, including 4 patients with Hutchinson-Gilford progeria syndrome and 4 unaffected controls.

Statistical Information

P-Value

p<0.0001

Statistical Significance

p<0.0001

Digital Object Identifier (DOI)

10.1371/journal.pone.0025472

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