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Two proteins with phospholipase A 2 (PLA 2 ) activity were purified to homogeneity from Bothrops leucurus (white-tailed-jararaca) snake venom through three chromatographic steps: Conventional gel filtration on Sephacryl S-200, ion-exchange on Q-Sepharose and reverse phase on Vydac C4 HPLC column. The molecular mass for both enzymes was estimated to be approximately 14kDa by SDS-PAGE...
The formation of new blood vessels, uncontrolled cell expansions and invasions are the common feature of cancer, neovascular inflammatory and ocular diseases, such as age-related macular degeneration (AMD). Short interfering RNA (siRNA) and short-hairpin RNA (shRNA) have recently helped extend our understanding of the mechanisms regulating angiogenesis and tumor developments. Moreover, the early success...
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