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Content archived on 2024-06-18

From extracellular matrix rigidity to vascular aging

Objective

The extracellular matrix (ECM) affects many aspects of cell growth and behavior. Not only do cells respond to the composition of the ECM, but they also respond to its physical properties, adjusting to the stiffness of their physical environment by generating tension within the cytoskeleton. In the vascular system, the large arteries from the central arterial system become stiffer with age. It is now well established that arterial stiffening significantly contributes to cardiovascular disease (CVD) development. Recent studies have highlighted that ECM stiffness affects endothelial cells (ECs) and vascular smooth muscle cells (VSMCs) differentiation, proliferation and motility, suggesting that the cellular response to ECM stiffness may play an important role during the development of aging-associated CVD. We recently found that LARG and GEF-H1 regulate the mechanical response to force on integrins. In preliminary results we found that these two proteins are activated in response to ECM stiffness, suggesting that LARG and GEF-H1 may also regulate the mechanical response to ECM stiffness. In this proposal we will test this hypothesis and we will investigate the role of LARG and GEF-H1 in ECs and VSCMs during arterial stiffening.

Fields of science (EuroSciVoc)

Topic(s)

Call for proposal

FP7-PEOPLE-2011-CIG
See other projects for this call

Funding Scheme

MC-CIG - Support for training and career development of researcher (CIG)

Coordinator

INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE
EU contribution
€ 75 000,00
Address
RUE DE TOLBIAC 101
75654 Paris
France
Region
Ile-de-France Ile-de-France Paris
Activity type
Research Organisations
Links
Total cost
No data