Discordant Gene Expression Signatures and Related Phenotypic Differences in Lamin A- and A/C-Related Hutchinson-Gilford Progeria Syndrome (HGPS) Molecular Signatures in LMNA-Related Progeria
2011

Gene Expression Changes in Hutchinson-Gilford Progeria Syndrome

Sample size: 6 publication 10 minutes Evidence: high

Author Information

Author(s): Plasilova Martina, Chattopadhyay Chandon, Ghosh Apurba, Wenzel Friedel, Demougin Philippe, Noppen Christoph, Schaub Nathalie, Szinnai Gabor, Terracciano Luigi, Heinimann Karl

Primary Institution: University of Basel

Hypothesis

This study aims to elucidate the molecular mechanisms underlying the pathogenesis in both lamin A- and lamin A/C-related Hutchinson-Gilford progeria syndrome (HGPS).

Conclusion

The study found significant overlaps in gene expression profiles between sporadic and hereditary HGPS, linking altered bone remodeling to energy homeostasis.

Supporting Evidence

  • 83.3% of the genes had concordant transcription patterns.
  • 16.7% of the genes showed discordant transcriptional changes.
  • Altered expression of TWIST2 was linked to skin development.
  • ENPP1 and OPG expression changes provide molecular explanations for phenotypic differences.
  • Reduced TWIST2 and OPG expression correlated with increased osteocalcin levels.

Takeaway

This research looks at how a genetic disorder called Hutchinson-Gilford progeria syndrome affects the body, especially how it changes gene activity and leads to health problems.

Methodology

The study involved detailed molecular studies on primary fibroblasts from mutation carriers and clinical examinations related to molecular findings.

Participant Demographics

The study involved a consanguineous family with homozygous LMNA mutation carriers.

Statistical Information

P-Value

p<0.0001

Statistical Significance

p<0.0001

Digital Object Identifier (DOI)

10.1371/journal.pone.0021433

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