AGTR1 and neoplasm: The presence of ANGII receptors in AA and GM and their correlation with mitotic and proliferation indexes, as well as with vascular density, suggest that both AT1 and AT2 play a role in the regulation of several tissular processes such as angiogenesis, cell proliferation, invasiveness, and apoptosis (Escobar et al, 2004), either through the stimulation or the inhibition of RAAS components locally synthesised by the tumour (Juillerat-Jeanneret et al, 2004).