Gene expression in acute Stanford type A dissection: a comparative microarray study
2006

Gene Expression in Acute Aortic Dissection

Sample size: 16 publication Evidence: moderate

Author Information

Author(s): Weis-Müller Barbara Theresia, Modlich Olga, Drobinskaya Irina, Unay Derya, Huber Rita, Bojar Hans, Schipke Jochen D, Feindt Peter, Gams Emmeran, Müller Wolfram, Goecke Timm, Sandmann Wilhelm

Primary Institution: Heinrich-Heine-University of Düsseldorf

Hypothesis

Does an unknown connective tissue disorder cause a predisposition for aortic dissection?

Conclusion

The study shows that genes important for the integrity of the aortic wall are down-regulated in dissection, while inflammatory response genes are up-regulated.

Supporting Evidence

  • 19.1% to 23.5% of genes were expressed in aortic tissue specimens.
  • 15.7% to 28.9% of genes were differently expressed between dissected and control aorta.
  • Several genes related to extracellular matrix components were down-regulated in aortic dissection.

Takeaway

This study looked at the genes in the aorta of patients with a serious condition called aortic dissection and found that some important genes were not working properly.

Methodology

The study compared gene expression profiles from aortic samples of patients with acute Stanford A dissection and normal control aorta using microarray technology and confirmed findings with RT-PCR.

Limitations

The study had a small sample size and focused only on specific gene expressions without exploring all potential factors.

Participant Demographics

8 patients with acute Stanford type A aortic dissection (6 men, 2 women; ages 40-63) and 8 multi-organ donors (3 men, 5 women; ages 23-65).

Statistical Information

P-Value

<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1479-5876-4-29

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