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"The SOS-Ras-Raf-MAPK cascade plays a central role here. In about 25% of human tumors, Ras proteins are present in structurally altered forms that enable them to release a flux of mitogenic signals into cells, without ongoing stimulation by their normal upstream regulators (Medema and Bos 1993). We suspect that growth signaling pathways suffer deregulation in all"

International Stem Cell Corporation (ISCO) applauds the recent announcement by doctors at Sweden's Karolinska University Hospital on the creation of the world's first artificial trachea; ISCO would like our followers to understand that the concept of growing cells on a scaffold to treat diseases is showing success in our own research as exemplified by the following: 1) Collaboration with Cytograft in growing artificial blood vessels for treatment of lower limb ischemia.

Roll over headlines to view top news summaries: Making Skinny Worms Fat and Fat Worms Skinny 'Exploratory' Butterflies Genetically Different Spiders Target Insects' Mate-Luring Signals Huge Natural Arch Found In Afghanistan Warm Water For Cold Winters in Northeast Ocean and River Water for Electricity Blood-Testing Device Can Spot Cancer, HIV Continuing Winter Ice Loss in Arctic Sea Plants Optimize Before Spinning Off New Species Hidden Code Reveals Brain Activity