08.09.2015 Views

La néoangiogenèse tumorale

VEGF - FMC de Tours

VEGF - FMC de Tours

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<strong>La</strong> néo-angiogenèse<br />

• Dormance <strong>tumorale</strong><br />

• Nécrose au-delà de 1-2mm 3 (ex: drosophile, caenatorbitis<br />

elegans)<br />

• Voies de dissémination métastatique<br />

– Lymphatiques<br />

– Sanguine<br />

• Dérivation du système vasculaire du sujet<br />

• Développement intra-tumoral<br />

– Nutrition, échanges, oxygénation<br />

– Immunité<br />

– Croissance de la tumeur et dissémination<br />

– Cible thérapeutique +++

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