While the blood-brain barrier (BBB) protects the brain from harmful chemicals occurring naturally in the blood, it also obstructs the transport of drugs to the brain. In an article in Nature scientists at Karolinska Instit ...

Medicine & Health - Medical research

Oct 14, 2010 5 / 5 (1) 0

Every tumor, starting from a size of a few millimeters, depends on a supply of nutrients and oxygen. Therefore, using special growth factors, it induces vascular wall cells of neighboring blood vessels to sprout new capillaries ...

Medicine & Health - Cancer

Mar 12, 2009 not rated yet 0