Tag

Cardiomyocytes

All articles tagged with #cardiomyocytes

health24 days ago•7 min saved

Human Hearts Show Regrowth After Heart Attacks, Study Finds

New human data confirm that heart muscle cells can regrow after a heart attack, challenging the long-held belief that damage is permanent. By analyzing living heart tissue from bypass patients, researchers observed increased cardiomyocyte mitosis in the damaged regions, suggesting a regenerative process alongside scarring. While not yet reversing heart failure, these findings pave the way for therapies that boost the heart’s natural cell production to repair damage and potentially reduce reliance on transplantation.

via SciTechDaily|

#cardiomyocytes #health #heart

science4 months ago•2 min saved

New Research Finds Regeneration in Human Heart Cells After Attack

Researchers analyzing living human heart tissue found that heart muscle cells can divide after a heart attack, indicating potential regeneration in humans. By examining tissue from a donor heart and bypass patients and using RNA sequencing, they identified conditions that promote cardiomyocyte division. While promising, the findings do not yet prevent scar formation or heart damage, but could guide future regenerative therapies, and were published in Circulation Research.

via ScienceAlert|

#cardiomyocytes #circulation-research #heart-attack

science2 years ago•2 min saved

Unveiling the Enigmatic Onset of Heartbeats in Animal Embryos

Scientists at Harvard University have captured the moment when a zebrafish embryo's heart starts beating, shedding light on the early stages of heart development. Using high-speed microscope imaging, the researchers observed how waves of calcium ions became organized and propagated in developing zebrafish embryos, triggering the heart's first pulse. The study suggests that the mechanisms of heart formation may be shared across vertebrates, including humans, and could provide insights into cardiac irregularities such as arrhythmias.

via ScienceAlert|

#calcium-ions #cardiomyocytes #harvard-university

science-and-technology2 years ago•4 min saved

Ink Innovation: 3D-Printed Heart Muscle Beats with Fiber-Infused Ink

Researchers from the Harvard John A. Paulson School of Engineering and Applied Sciences have developed a new hydrogel ink infused with gelatin fibers that enables 3D printing of a functional heart ventricle that mimics beating like a human heart. The fiber-infused gel ink allows heart muscle cells to align and beat in coordination, opening up possibilities for creating better in vitro platforms for drug testing and evaluating treatments for heart disease. The technique could also be used to build heart valves and other complex heart structures.

via Harvard School of Engineering and Applied Sciences|

#3d-printing #bioengineering #cardiomyocytes

health3 years ago•3 min saved

Maternal Milk Boosts Baby Mouse Heart Development.

A fatty acid called ɣ-linolenic acid (GLA) found in mother's milk triggers a shift in heart cells' metabolism, which helps in the development of heart muscles in newborn mice. The study found that GLA prompts the cardiomyocytes to shift to a different food source, which then powers the cells through adulthood. The research could allow for the study of heart diseases in adults.

via Nature.com|

#cardiomyocytes #fatty-acids #health