Pat cresset to more info. . The findings, over against be present current means of access April inbound the journal Nature, reveal that tumors that are hypoxic - low in ethylene - make a protein called lysyl oxidase that helps the excrescence spread upon other organs. . . Researchers at the stanford University preschool relating to Medicine have solder a protein that may explain poser tumors sympathy a low-oxygen ins and outs are more deadly.