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Old brown dog with gray on its face and neck
Aging Dogs Provide Insights for Human Longevity
Biogerontologist Matt Kaeberlein studies aging pets to determine how to improve healthspan in dogs and their humans.
Aging Dogs Provide Insights for Human Longevity
Aging Dogs Provide Insights for Human Longevity

Biogerontologist Matt Kaeberlein studies aging pets to determine how to improve healthspan in dogs and their humans.

Biogerontologist Matt Kaeberlein studies aging pets to determine how to improve healthspan in dogs and their humans.

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Chromosome with gold band
Immunity Genes May Play a Role in Down Syndrome
Kamal Nahas, PhD | Jul 6, 2023 | 4 min read
Extra copies of four interferon receptor genes found on human chromosome 21 trigger developmental changes in a mouse model of Down syndrome.
EKG readout
The Circadian Rhythm of the Heart Rate
Katherine Paulin, PhD | May 31, 2023 | 3 min read
The sympathetic nervous system influences gene expression in the heart to regulate the day-night cycle of resting heart rate.
Optimizing Organoid Culture for Development and Disease Modeling
Optimizing Organoid Culture for Development and Disease Modeling
The Scientist Staff | 1 min read
Discover how to grow mini-organs for the advanced investigation of in vivo processes.
White mouse at the edge of a desk
The Heart Can Directly Influence Our Emotions
Natalia Mesa, PhD | Mar 1, 2023 | 4 min read
Researchers find that an increased heart rate can induce anxiety in mice, given the right context.
close-up photo of fruit fly on white background
Scientists ID Heart-Damaging SARS-CoV-2 Protein
Grace van Deelen | Nov 22, 2022 | 3 min read
In flies and mice, a viral protein increases the rate of energy use by heart cells. But it’s not yet clear if the finding applies to humans.
Improving Cardiac Cell Therapy Persistence
The Scientist Speaks Ep. 13 - The Long Haul: Improving Cardiac Cell Therapy Persistence
Niki Spahich, PhD | 1 min read
Researchers remuscularize the heart after cardiac infarction with stem cell-derived cardiomyocytes and ready-made microvessels.
Temple University flag flying in front of a university building
Journals Investigate Possible Misconduct in Heart Research
Catherine Offord | Sep 13, 2022 | 2 min read
Scientific publishers get involved in a scandal at Temple University that has so far produced one retraction for image manipulation, a university-led investigation, and a lawsuit by one of the researchers involved.
fuorescence microscopy of kidney tissue
Artificial Blood Breathes New Life Into Dead Pigs’ Cells
Andy Carstens | Aug 3, 2022 | 2 min read
A study’s authors say their oxygenating cocktail may lead to technologies that preserve organs in deceased people for longer periods for transplantation.
A single neutrophil white blood cell in the artery with red blood cells floating around it
Missing Y Chromosome in Mouse Blood Causes Heart Dysfunction
Patience Asanga | Jul 16, 2022 | 3 min read
An analysis of human data from the UK biobank also finds an association between Y chromosome loss and heart disease in men.
Exploring how spatial relationships drive heart function
Mapping Out What Makes the Heart Tick
Nathan Ni, PhD | Jun 27, 2022 | 3 min read
A novel atlas reveals region-specific links between structural, mechanical, and genetic properties within the heart.
Miami skyline of skyscrapers next to ocean
How a Prominent Mexican Scientist Wound Up a Spy for Russia
Natalia Mesa, PhD | May 5, 2022 | 4 min read
Hector Cabrera Fuentes, a renowned cardiovascular researcher, collaborated with Russian intelligence agents for more than a year, prosecutors said.
A white coat-wearing doctor holds the results of an EKG test in one hand and traces over them with a pen in the other hand
Doctors and Researchers Probe How COVID-19 Attacks the Heart
Dan Robitzski | Jan 12, 2022 | 8 min read
Experts have a decent grasp on how COVID-19 impacts cardiovascular health in the near term. The implications of long COVID, however, remain mysterious.
Abstract geometric heart with plexus effect on blue background
Man Receives Transplanted Heart from Genetically Modified Pig
Shawna Williams | Jan 10, 2022 | 3 min read
The procedure, performed last Friday, is a milestone in a long effort to boost the number of organs available for safe transplantation.
knitted pink heart with a mended hole
CAR T Cells Mend Broken Mouse Hearts
Sophie Fessl, PhD | Jan 6, 2022 | 4 min read
Specialized immune cells generated in vivo reduce cardiac scar tissue in mice, a new study shows.
An illustration shows circular red blood cells running into a yellow cholesterol blockage in a transverse section of an artery on a blue and purple background
Genetic Variant Discovered in Amish Protects from Heart Disease
Abby Olena, PhD | Dec 2, 2021 | 3 min read
Researchers link a missense mutation in the B4GALT1 gene to lower levels of LDL cholesterol and the blood clotting factor fibrinogen.
adolescent getting vaccination shot
Moderna Vaccine Paused for Young People in Two European Countries
Chloe Tenn | Oct 6, 2021 | 3 min read
Health authorities in both countries announced that people under certain age cutoffs are now ineligible for the Spikevax COVID-19 shot due to its association with heart inflammation.
Broken Heart Syndrome Linked to the Brain
Amanda Heidt | Jun 1, 2021 | 2 min read
A chronically stressed amygdala can prime the heart to overreact to acute stress events, a new study shows.
artificial heart valve replacement cardiac implant transplant scaffold bioengineering bioprosthetic lamb pediatrics cardiology
Artificial Heart Valves Grow with Lambs
Emma Yasinski | Mar 19, 2021 | 3 min read
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.
heart cardiac covid-19 coronavirus pandemic myocarditis inflammation
Autopsies Show Varied Forms of Heart Damage in COVID-19 Patients
Emma Yasinski | Sep 24, 2020 | 3 min read
The multifarious nature of the damage means treatments for cardiac issues during infection will require tailored approaches.
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