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The nuclear hormone receptor PPARγ counteracts vascular calcification by inhibiting Wnt5a signalling in vascular smooth muscle cells
Vascular calcification is commonly associated with advanced stages of atherosclerosis. Woldtet al. show that the nuclear hormone receptor PPARγ in vascular smooth muscle cells protects mice from vascular calcification by inhibiting Wnt5a signalling triggered by activation of the cell-surface receptor LRP1.
- Estelle Woldt
- , Jérome Terrand
- & Philippe Boucher
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Article
| Open AccessPromotion of plasma membrane repair by vitamin E
Membrane repair of myocytes is important to prevent such disease as muscular dystrophy but the properties of this repair are not well characterised. In this study, vitamin E is shown to be important in the repair of myocyte cell membranes in cultured cells and in intact muscle.
- Amber C. Howard
- , Anna K. McNeil
- & Paul L. McNeil
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Pericytes resident in postnatal skeletal muscle differentiate into muscle fibres and generate satellite cells
The fusion of satellite cells to muscle fibres during adult life is required for both muscle growth and regeneration but it is unknown whether non-muscle cells contribute to this process. Now, Dellavalle and colleagues show that pericytes, cells associated with the vasculature can contribute to both growth and regeneration of muscle fibres.
- A. Dellavalle
- , G. Maroli
- & G. Cossu