Researchers have discovered that a certain kind of protein similar to hemoglobin, called cytoglobin, plays an important role in the development of the heart. Specifically, it affects the correct ...

Video shows zebrafish with mutant gene lacking cytoglobin. Heart defects are seen with heart on the right side instead of the left side with blood flow looping to the left instead of the right.

Scientists at St. Jude Children's Research Hospital have shown how a protein responsible for adapting to low oxygen conditions (hypoxia), causes increased expression of fetal hemoglobin (HbF) in ...