Pig Hearts Provide Long-Term Cardiac Function in Baboons
Pig Hearts Provide Long-Term Cardiac Function in Baboons
Primates receiving heart transplants from genetically engineered pigs have survived more than six months, a new study reveals.
Pig Hearts Provide Long-Term Cardiac Function in Baboons
Pig Hearts Provide Long-Term Cardiac Function in Baboons

Primates receiving heart transplants from genetically engineered pigs have survived more than six months, a new study reveals.

Primates receiving heart transplants from genetically engineered pigs have survived more than six months, a new study reveals.

heart failure
First iPS Cell Trial for Heart Disease Raises Excitement, Concern
First iPS Cell Trial for Heart Disease Raises Excitement, Concern
Katarina Zimmer | Aug 31, 2018
Without knowing the cells’ mechanism of action, researchers question the best way to administer them to patients.
Cardiac Cell Transplants Help Monkeys’ Hearts
Cardiac Cell Transplants Help Monkeys’ Hearts
Ashley Yeager | Jul 2, 2018
The organ’s blood-pumping capacity improved with the infusion of cells, a study shows.
Why Afternoon Open Heart Surgery Is Better for Patient Outcomes
Why Afternoon Open Heart Surgery Is Better for Patient Outcomes
Catherine Offord | Oct 27, 2017
Research in human patients and mice reveals the role of the circadian clock in the risk of heart damage at different times of day.
Image of the Day: Un-break My Heart
Image of the Day: Un-break My Heart
The Scientist Staff | Aug 8, 2017
A failing heart is easily distinguished from a healthy one by numerous tell-tale signs, including its slender, stretched-out walls, increased size, and pooled blood clots.
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.
In Failing Hearts, Cardiomyocytes Alter Metabolism
In Failing Hearts, Cardiomyocytes Alter Metabolism
Amanda B. Keener | Jun 1, 2016
While the heart cells normally burn fatty acids, when things go wrong ketones become the preferred fuel source.
The Fatty Acid–Ketone Switch
The Fatty Acid–Ketone Switch
Amanda B. Keener | May 31, 2016
In failing hearts, cardiomyocytes change their fuel preference.
If It Ain't Broke . . .
If It Ain't Broke . . .
Kerry Grens | Jan 1, 2016
Is there room to improve upon the tried-and-true, decades-old technology of artificial hearts?
Hearts in Hand
Hearts in Hand
The Scientist Staff | Dec 31, 2015
Texas Heart Institute heart surgeon Bud Frazier is a pioneer of heart transplant technologies.
Cell Transplants for Heart Questioned
Cell Transplants for Heart Questioned
Jef Akst | May 1, 2014
A report reveals that using bone marrow stem cells to treat heart disease is less promising than a decade of research has let on.
Saving Failing Hearts
Saving Failing Hearts
Kate Yandell | Mar 12, 2014
Inhibiting a small regulatory RNA appears to improve cardiac function in mice with surgically induced heart problems.
Next Generation: Sensor-Laden Sheath to Monitor the Heart
Next Generation: Sensor-Laden Sheath to Monitor the Heart
Daniel Cossins | Feb 25, 2014
A flexible, sensor-loaded membrane that fits snugly around the heart provides high-resolution monitoring of multiple cardiac health markers.
More Questionable Stem-Cell Science
More Questionable Stem-Cell Science
Chris Palmer | Jun 18, 2013
Disgraced stem-cell researcher Hisashi Moriguchi has published three new papers in BMJ Case Reports, including a rehashing of a retracted 2012 paper.
Blood Protein Rejuvenates Aging Heart
Blood Protein Rejuvenates Aging Heart
Dan Cossins | May 10, 2013
A molecule found only in the blood of young mice dramatically reverses thickening and stiffening of the heart muscle in old mice.
Opinion: An Explosion of Devices
Opinion: An Explosion of Devices
Stephen C. Schimpff | Jan 28, 2013
From cardiovascular problems to neurological disorders, a plethora of new medical devices are reducing the need for surgery and improving the quality and safety of healthcare.
New Biological Pacemaker
New Biological Pacemaker
Dan Cossins | Dec 18, 2012
In guinea pigs, the insertion of a single gene can transform ordinary heart cells into pacemaker cells that regulate cardiac rhythm.
Omega-3s: Fishing for a Mechanism
Omega-3s: Fishing for a Mechanism
Ethan J. Anderson and David A. Taylor | Nov 1, 2012
Despite abundant evidence supporting their ability to help prevent and treat cardiovascular disease, the therapeutic effectiveness of fish oil–derived fatty acids remains controversial.
A Lab on Everest
Bob Grant | Apr 23, 2012
Mayo Clinic researchers set up shop in the Himalayas to study the physiology of climbers attempting to scale the world's highest peak.