LRP1 Functions as an Atheroprotective Integrator of TGFβ and PDGF Signals in the Vascular Wall: Implications for Marfan Syndrome
2007

LRP1 and Its Role in Vascular Health

Sample size: 6 publication Evidence: moderate

Author Information

Author(s): Boucher Philippe, Li Wei-Ping, Matz Rachel L., Takayama Yoshiharu, Auwerx Johan, Anderson Richard G.W., Herz Joachim

Primary Institution: Institut Gilbert-Laustriat, UMR 7175 LC-1, Department of Pharmacology; Centre National de la Recherche Scientifique/Institut National de la Santé et de la Recherche Medicale/Université Louis Pasteur, Illkirch, France

Hypothesis

Does LRP1 function as an integrator of TGFβ and PDGF signals in the vascular wall?

Conclusion

Loss of LRP1 in vascular smooth muscle cells leads to increased TGFβ signaling and a Marfan-like syndrome, but treatment with rosiglitazone can reverse these effects.

Supporting Evidence

  • Loss of LRP1 in vascular smooth muscle cells leads to a Marfan-like syndrome.
  • Treatment with rosiglitazone can reverse the Marfan-like phenotype.
  • LRP1 is essential for maintaining vascular wall integrity.

Takeaway

LRP1 helps keep blood vessels healthy, and when it's missing, it can cause problems like Marfan syndrome. A medicine called rosiglitazone can help fix some of these issues.

Methodology

The study used smLRP− mice to investigate the effects of LRP1 loss on vascular health and the impact of rosiglitazone treatment.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0000448

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