Artificial Heart Valves Grow with Lambs
Artificial Heart Valves Grow with Lambs
Two of the implanted valves lasted a full year as the animals matured into adult sheep, demonstrating that it might be possible to treat children with valve replacements that grow along with them.
Artificial Heart Valves Grow with Lambs
Artificial Heart Valves Grow with Lambs

Two of the implanted valves lasted a full year as the animals matured into adult sheep, demonstrating that it might be possible to treat children with valve replacements that grow along with them.

Two of the implanted valves lasted a full year as the animals matured into adult sheep, demonstrating that it might be possible to treat children with valve replacements that grow along with them.

cardiac
Autopsies Show Varied Forms of Heart Damage in COVID-19 Patients
Autopsies Show Varied Forms of Heart Damage in COVID-19 Patients
Emma Yasinski | Sep 24, 2020
The multifarious nature of the damage means treatments for cardiac issues during infection will require tailored approaches.
College Athletes Experienced Heart Damage After COVID-19: Study
College Athletes Experienced Heart Damage After COVID-19: Study
Amanda Heidt | Sep 14, 2020
Images of the players’ hearts showed signs of inflammation consistent with myocarditis, a rare but potentially fatal condition.
Image of the Day: Repairing Hearts
Image of the Day: Repairing Hearts
Emily Makowski | Jan 7, 2020
A growth factor treatment helps improve cardiac functioning after heart attack in pigs.
CAR T Immunotherapy May Find New Use in Treating Cardiac Fibrosis
CAR T Immunotherapy May Find New Use in Treating Cardiac Fibrosis
Emma Yasinski | Sep 11, 2019
Scientists show the approach can kill cells that cause hardening of heart tissue in mice.
A Common Atrial Fibrillation Procedure Is Aided by Damaging Neurons
A Common Atrial Fibrillation Procedure Is Aided by Damaging Neurons
Emma Yasinski | May 24, 2019
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.
Heart Cell Therapy Trial Paused After Fraud Allegations
Heart Cell Therapy Trial Paused After Fraud Allegations
Ashley P. Taylor | Oct 30, 2018
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.
Dozens of Retractions Requested for Heart Stem Cell Studies
Dozens of Retractions Requested for Heart Stem Cell Studies
Ashley P. Taylor | Oct 15, 2018
Harvard and Brigham and Women’s Hospital disavow the work by former faculty member Piero Anversa.
Mitochondrial Infusions Given to Babies with Heart Damage
Mitochondrial Infusions Given to Babies with Heart Damage
Kerry Grens | Jul 10, 2018
Among 11 infants treated to date, most survived and their heart function improved.
Pioneering Heart Transplant Program Suspended
Pioneering Heart Transplant Program Suspended
Kerry Grens | Jun 4, 2018
The move by Baylor St. Luke’s Medical Center follows an investigative news report detailing surgical errors and poor research practices.
Details Published on CRISPR-treated Embryos
Details Published on CRISPR-treated Embryos
Kerry Grens | Aug 2, 2017
Scientists correct a mutation in fertilized eggs that causes a severe cardiac disease.
Heart’s Backup Pacemaker Mechanisms Identified
Heart’s Backup Pacemaker Mechanisms Identified
Diana Kwon | Jul 28, 2017
The sinoatrial node is home to multiple pacemakers that keep the heart beating if the main one falters.
Synthetic Stem Cells Regenerate Heart Tissue in Mice
Synthetic Stem Cells Regenerate Heart Tissue in Mice
Diana Kwon | Jun 1, 2017
These engineered “cells” were made from the secretions and membranes of human mesenchymal stem cells.
Q&A: Improving Cardiac Cell Therapy
Q&A: Improving Cardiac Cell Therapy
Kerry Grens | Nov 15, 2016
The Scientist caught up with cardiac stem cell researcher Mark Sussman to get his thoughts on the American Heart Association’s Scientific Sessions meeting.
Genotyping “Surrogates” Misdiagnoses Deadly Heart Condition
Genotyping “Surrogates” Misdiagnoses Deadly Heart Condition
Kerry Grens | Nov 2, 2016
Family members with a certain gene variant had unnecessary interventions, highlighting the potential hazards of precision medicine.
Kids’ Sudden Cardiac Deaths Explained by Heritable Mutations in a Single Gene
Kids’ Sudden Cardiac Deaths Explained by Heritable Mutations in a Single Gene
Kerry Grens | Aug 11, 2016
Examining the tragedies of several families who each lost multiple children, two teams of researchers reveal a previously unappreciated role for a mitochondrial enzyme.
Latest in Heart Stem Cell Debate
Latest in Heart Stem Cell Debate
Kerry Grens | Oct 26, 2015
Given the right environment, cKit+ cells from the mouse heart can develop into new cardiac muscle, according to a study.
Gel Heals Heart Attack Injury
Gel Heals Heart Attack Injury
Kerry Grens | Sep 17, 2015
A collagen patch seeded with a regenerative protein helps mice and pigs regain cardiac function after a heart attack.
Celladon Shutters Its R&D
Celladon Shutters Its R&D
Kerry Grens | Jun 26, 2015
Biotech firm likely to pull the plug after its gene therapy product fails.
Device Trials Go Unpublished
Device Trials Go Unpublished
Kerry Grens | Jun 24, 2015
Just half of the clinical studies used to gain premarket approval for cardiac devices ever make it into the scientific literature.