"UCSF scientists have discovered that a gene controlling whether
blood vessels differentiate into arteries or veins during embryonic
development is linked to a vascular disorder in the brain that
The UCSF studies were done in mice, and the new findings are the
first to provide information on both the progression and regression
of this particular brain disorder, known as BAVM, and to provide
molecular clues into the disease, which is not well-understood and
chiefly affects young people."