[biological_process] intracellular distribution of mitochondria <sep> negative regulation of activin receptor signaling pathway <sep> negative regulation of angiogenesis <sep> negative regulation of endothelial cell migration <sep> negative regulation of endothelial cell proliferation <sep> negative regulation of ERK1 and ERK2 cascade <sep> negative regulation of sprouting angiogenesis <sep> positive regulation of activin receptor signaling pathway <sep> positive regulation of receptor internalization <sep> protein targeting <sep> regulation of endocytosis <sep> regulation of Notch signaling pathway <sep> Rho protein signal transduction