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Article dans une revue

Sonic Hedgehog on microparticles and neovascularization

Abstract :

Neovascularization represents a pivotal process consisting in the development of vascular network during embryogenesis and adult life. Postnatally, it arises mainly through angiogenesis, which has physiological and pathological roles in health and disease. Blood vessel formation results as tightly regulated multistep process which needs coordination and precise regulation of the balance of proangiogenic and antiangiogenic factors.

Sonic Hedgehog (SHH), a morphogen belonging to Hedgehog (HH) family proteins, is implicated in a remarkably wide variety of process, including vessel development. Recent evidence demonstrate that, in addition to the classic factors, microvesicles (MVs), both microparticles (MPs) and exosomes, small vesicles released distinct cellular compartments, are involved in modulation of neovascularization. MPs generated from T lymphocytes undergoing both activation and apoptosis harbor at their surface SHH and play a crucial role in modulation of neovascularization. They are able to modulate the different steps implicated in angiogenesis process in vitro and to enhance postischemic neovascularization in vivo. As the consequence, we suggest that the MPs carrying SHH contribute to generation of a vascular network and may represent a new therapeutic approach to treat pathologies associated with failed angiogenesis.

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Soumis le : jeudi 1 juillet 2021 - 14:07:27
Dernière modification le : mercredi 19 janvier 2022 - 16:22:03




Raffaella Soleti, Maria Carmen Martinez. Sonic Hedgehog on microparticles and neovascularization. Vitamins and hormones, 2012, 88, pp.395 - 438. ⟨10.1016/B978-0-12-394622-5.00018-3⟩. ⟨hal-03275802⟩



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