Patients in a study of catheter ablation who showed signs of more injury to nerve cells and glia in the heart had fewer symptoms after the treatment.

A trial to test whether so-called c-kit cardiac stem cells, first reported by Piero Anversa, could help patients with chronic heart failure has been halted in light of suspicion surrounding his work.

Harvard and Brigham and Women’s Hospital disavow the work by former faculty member Piero Anversa.

Among 11 infants treated to date, most survived and their heart function improved.

The move by Baylor St. Luke’s Medical Center follows an investigative news report detailing surgical errors and poor research practices.

Scientists correct a mutation in fertilized eggs that causes a severe cardiac disease.

The sinoatrial node is home to multiple pacemakers that keep the heart beating if the main one falters.

These engineered “cells” were made from the secretions and membranes of human mesenchymal stem cells.

The Scientist caught up with cardiac stem cell researcher Mark Sussman to get his thoughts on the American Heart Association’s Scientific Sessions meeting.