Researchers in EMBL’s Zaugg group have studied the causes of pulmonary arterial hypertension (PAH), a rare disease that causes high blood pressure in the arteries of the lungs. The study, carried out in collaboration with Stanford University School of Medicine, compared lung cells of patients with the disease with those of healthy individuals. Instead of finding a single clear cause, their results showed large epigenetic disturbances.
In human cells, the genetic material is packaged into 23 different DNA molecules, the chromosomes. Each chromosome is present in two copies, one inherited from the paternal sperm, and the other from the maternal egg. During most of the cell’s life, chromosomes take the shape of long, spaghetti-like molecules intertwined with each other. However, before […]