Articles tagged with Cardiac Regeneration
Scientists have uncovered a new mechanism used by heart cells to resist reprogramming and found that carbohydrate sulfotransferase 7 (CHST7) is the most potent preventer of reprogramming in mouse and human cells. By targeting CHST7, researchers may develop treatments to help the heart fix itself after injury.
Researchers developed cardiac organoids to address limitations of cell-based therapies in myocardial infarction. These three-dimensional tissue constructs integrate into host tissue, improve cardiac function, and reduce scar size without arrhythmogenic effects.
A naturally occurring gene called Cyclin A2, normally silenced in humans, can make new functioning heart cells and aid in the heart's repair. The breakthrough discovery could lead to new techniques for repairing damaged hearts as an alternative to transplants or implanted cardiac devices.
New research from the Stowers Institute for Medical Research reveals planarian stem cells ignore their nearest neighbors and respond to signals further away in the body. This discovery may help explain the flatworm's extraordinary ability to regenerate and offer clues for developing new ways to replace or repair tissues in humans.
Scientists have identified a set of genes in zebrafish that reactivate after damage to the heart and patch it up like new. The researchers hope to use CRISPR tools to reactivate similar genes in humans and jump-start repair of the heart and other tissues after injury.
Researchers from Emory University are using the International Space Station to study cardiac cells and accelerate the development of cell-based regenerative therapies. The team's findings have led to multiple peer-reviewed publications and could significantly advance methods to produce cardiac cells for heart disease treatment.
Researchers have discovered a new way to stimulate cardiomyocyte proliferation, offering promising results in both human cardiac slices and live animals. This innovative approach targets calcium signaling pathways, potentially transforming the treatment landscape for patients suffering from heart failure.
A new Northwestern Medicine study reveals that macrophages in newborns use a process called efferocytosis to produce thromboxane, which triggers the production of a bioactive lipid that signals heart muscle cells to divide and regenerate. This process is less effective in adults, leading to scar-tissue buildup and often heart failure.
A zebrafish protein, Hmga1, has been found to unlock dormant genes for heart repair in mice. The discovery could lead to regenerative therapies to prevent heart failure in humans.
Researchers from Korea University have developed a groundbreaking technique to transform fibroblasts into mature cardiomyocytes, holding promise for regenerative medicine in treating cardiovascular disease. The method combines fibroblast growth factor 4 (FGF4) with vitamin C to accelerate cell maturation and enhance function.
A research team led by a physician-scientist found that artificial heart patients can regenerate heart muscle cells, which may lead to new ways to treat and potentially cure heart failure. The study showed that these patients' hearts regenerate muscle cells at more than six times the rate of healthy hearts.
Researchers at Karolinska Institutet discovered that patients with heart pumps can regenerate heart muscle cells at a rate more than six times higher than in healthy hearts, offering new hope for therapies to stimulate the heart's ability to repair itself after damage.
Researchers have elucidated how new arteries form in the heart using single-cell sequencing and 3D mapping. Pre-arterial cells play a major role in growing new arteries, contradicting current thinking about artery development. This discovery opens possibilities for developing treatments that stimulate regenerative pathways.
A growth factor called BMP7 has been found to promote cardiomyocyte proliferation and regeneration in both zebrafish and adult mice. This discovery offers a promising new approach to treating heart disease by stimulating cardiac muscle cell regrowth even in later stages of life.
Researchers from Ann & Robert H Lurie Children's Hospital of Chicago have discovered a way to regenerate damaged heart muscle cells in mice. By inhibiting a specific gene, the cells began to take in more glucose and regrow, potentially providing a new direction for treating congenital heart defects and heart attack damage.
A team of researchers led by Dr. Ahmed discovered that two FDA-approved antibiotics can induce heart regeneration in mammals, showing promise for treating heart failure. The study found that the antibiotics improved cardiac output and reduced fibrotic scar tissue, suggesting a potential new therapy.
A team of scientists at the University of Ottawa has developed a novel peptide-based hydrogel that can be used for on-the-spot repair to damaged organs and tissues. The material shows great potential for closing skin wounds, delivering therapeutics to damaged heart muscle, and reshaping and healing injured corneas.
A CNIC study explores the mechanisms of supercomplex assembly and uncovers a major impact of mitochondrial assembly factors on cardiac regeneration. The researchers found that Cox7a1 plays a fundamental role in forming CIV dimers, which are crucial for correct mitochondrial function.
A Japanese research team from Shinshu University has successfully tested a novel approach to regenerative heart therapy using human induced pluripotent stem cells. The strategy involves injecting cardiac spheroids into damaged hearts, resulting in improved blood pumping capability and minimal arrhythmias in primate models.
The REACTIVA project aims to establish a new strategy for cardiac regeneration based on reactivating the heart's dormant endogenous mechanism. Researchers will investigate the role of diploid adult cardiomyocytes in cardiac regeneration and use this knowledge to induce their activation.
Researchers compared zebrafish and medaka fish species to understand the physiological differences between regenerating and non-regenerating animals. Zebrafish exhibit an interferon response in their heart tissue after injury, which promotes the growth of new blood vessels and leads to muscle regeneration.
Researchers at Hokkaido University developed a technique to promote cardiac regeneration by activating mitochondrial function in transplanted cells. The study found that activated mitochondria improved cardiac function and suppressed myocardial fibrosis, suggesting a new approach for treating severe heart failure.
Researchers at Baylor College of Medicine have developed a gene therapy that induces heart cell proliferation and improves cardiac function in an animal model of advanced heart failure. The treatment also shows promise in improving liver and kidney functionality.
Researchers have discovered a new control mechanism that drives the maturation of human stem cell-derived heart muscle cells, providing fresh insight into cardiac regenerative therapy and disease modeling. The study identifies RBFox1 as a key intrinsic regulator of heart muscle cell maturation.
A clinical trial found that stem cell-based therapy reduced daily hardship and improved physical and emotional health in patients with advanced heart failure. Patients who received the treatment had lower death and hospitalization rates compared to those on standard care.
Researchers discovered that adrenergic signals from the autonomic nervous system determine whether macrophages multiply and migrate into damaged heart tissue. This communication also plays a crucial role in regenerating heart muscle tissue.
A study from the University of Wisconsin-Madison and Academia Sinica of Taiwan has successfully combined lab-grown cardiomyocytes with stem-cell-derived endothelial cells to regenerate damaged heart muscle after a heart attack. This combination therapy holds promise for tackling arrhythmia and could lead to improved clinical applications.
A UCLA-led team has identified RBFox1, an RNA splicing regulator, as a key player in promoting human stem cell-derived heart muscle cell maturation. This finding offers a deeper understanding of heart muscle cell development and hints at future therapeutic applications for regenerative therapies.
A new chemical compound named '1938' has been identified that can stimulate nerve regeneration after injury and protect cardiac tissue from damage. The compound activates the PI3K signalling pathway and has shown increased neuron growth in nerve cells and improved recovery in animal models.
Researchers have discovered a key mechanism behind zebrafish heart regeneration, which has been found to be evolutionary conserved in human and mouse heart muscle cells. The study suggests that manipulating this mechanism could lead to the development of new therapies for cardiovascular diseases.
Scientists have developed a new method to deliver genetic information to stem cells using nanoparticles coated with a specific polymer, enabling more efficient control over cellular differentiation. This innovation has the potential to improve the efficiency and effectiveness of regenerative medicine treatments.
Researchers discovered ERK signalling is a crucial switch between scarring and regeneration, with prolonged activation promoting regenerative success. Modulating ERK activity could potentially stimulate regeneration in clinical settings.
Researchers at the University of Washington School Medicine have engineered stem cells that do not generate dangerous arrhythmias. These 'MEDUSA' cardiomyocytes can engraft in the heart, mature into adult cells and beat in sync with natural pacemaking without generating dangerous heart rates.
Researchers at University of Technology Sydney have successfully created personalized 'bio-inks' from patients' own stem cells, which are then used to 3D-print cardiac tissues to repair areas of dead tissue. This technology shows promise in treating heart failure and may reduce the need for expensive and traumatic heart transplants.
The research team successfully transplanted a stem cell sheet onto the heart, promoting angiogenesis and improving cardiac function. The technique has improved integration and engraftment rates, addressing challenges in patch-based treatments for myocardial infarction.
Scientists at Duke University have made a breakthrough in controlling gene expression in response to injury, using a segment of fish DNA called TREE. The method successfully targeted gene activity to specific regions and time windows, showing promise for regenerating damaged tissues in mammals.
Researchers at the University of Houston have developed a protocol to reprogram human heart cells into specialized cells that conduct electricity, enabling rhythmic heartbeat and repair diseased hearts. The discovery could lead to improved cardiac function and new pharmacological therapies for heart diseases.
Researchers found that adult heart cells have fewer communication pathways called nuclear pores, which may protect against harmful signals but prevent regeneration. This discovery sheds light on why adult hearts do not regenerate like newborn mice and human hearts.
Researchers discover that oxytocin stimulates stem cells to migrate and develop into cardiomyocytes in zebrafish and human cell cultures. This could lead to the regeneration of damaged hearts after a heart attack. The study found that oxytocin also activates EpiPCs, which can replenish lost cardiomyocytes.
Researchers use human tissue models to study myocardial infarction, a leading cause of mortality worldwide. These models allow for early detection of discrepancies between animal and human responses, enabling faster and safer clinical trials.
Researchers at RIKEN have discovered how marsupials' hearts can regenerate for several weeks after birth, allowing for potential treatment of human heart disease. They found that inhibiting a protein called AMPK extended the period of regeneration in both mice and opossums, with minimal scarring.
Researchers at Max Delbrück Center for Molecular Medicine found that zebrafish can regenerate heart tissue after injury due to activated fibroblasts. The fibroblasts, which temporarily enter an activated state, read a series of genes responsible for forming proteins, enabling the regeneration process.
Researchers identified glucocorticoids as a key factor inhibiting cardiac regenerative capacity after heart attacks. The study showed that deleting or blocking the glucocorticoid receptor increased heart muscle cell replication and regeneration.
Researchers discovered increased cell cycle activity and proliferation in cardiomyocytes after heart surgery, allowing for remuscularization of the left ventricle. The study identified key genes involved in pathways regulating heart development and cell proliferation.
Researchers at the University of Houston have made a groundbreaking discovery in repairing and regenerating heart muscle cells in mice. The technology uses synthetic mRNA to deliver mutated transcription factors, which increases the replication of cardiomyocytes. This finding has the potential to become a powerful clinical strategy for...
A CNIC team has created a dynamic 3D atlas of the formation of the heart during embryonic and fetal development, allowing for the identification of the first appearance of left–right asymmetry in the heart. This study provides important information on the development of congenital heart malformations.
A clinical trial at UC Davis Health showed that cellular therapy offers promise for patients with late-stage Duchenne muscular dystrophy, stopping deterioration of upper limb and heart functions. The therapy appears to be safe and effective in improving skeletal muscle and cardiac function.
Researchers have developed a process to replicate what happens inside the heart after cardiac arrest using lab-grown pig heart tissue, which includes epicardial slices and underlying heart muscle. This new process could lead to better health outcomes for humans and reduce the reliance on animal experiments in cardiovascular science.
Researchers at Johns Hopkins Medicine have discovered that manipulating certain nerve cells may trigger the formation of new heart muscle cells, restoring heart function after heart attacks. The study found that removing specific genes associated with circadian rhythms increased neonatal heart size and cardiomyocyte numbers by up to 10%.
Researchers at McGill University create injectable hydrogel that forms stable structure allowing cells to grow and repair injured organs. The material's toughness and porosity make it suitable for heart, muscle, and vocal cord repair.
Recent clinical trials showed promising results with cardiosphere-derived cells, improving heart parameters in patients with Duchenne muscular dystrophy. Researchers investigate using cell-derived products like exosomes to boost endogenous repair pathways, while aiming to reverse cardiomyocytes' proliferation limitations.
A recent study by James Godwin, Ph.D. has identified the liver as a primary reservoir for pro-regenerative macrophages essential to limb regeneration in axolotls. The research paves the way for regenerative medicine therapies in humans, potentially treating diseases like heart and lung disease with scar-free healing.
Scientists at Lewis Katz School of Medicine discovered that reintroducing the protein LIN28 into adult heart stem cells improves their chances of survival. This breakthrough could lead to new treatments for heart disease using stem cell therapy.
The study found that the Wntless (Wls) gene plays a critical role in heart regeneration in mice by facilitating signal molecule secretion from cardiomyocytes to cardiac fibroblasts. This promotes heart functional recovery by suppressing CF activation and reducing scar formation.
Scientists have discovered a critical new gene, Klf1, that plays a vital role in healing damaged hearts. The gene allows heart muscle cells to divide and multiply after injury, potentially leading to complete regeneration and healing of damaged tissue.
Scientists have discovered two species of sea slugs that can regenerate their entire body, including the heart, after shedding their head. The slugs' unique ability to photosynthesize using chloroplasts from algae may help them survive long enough for regeneration.
Cardiac fibroblasts can be directly reprogrammed to form beating heart muscle cells on soft surfaces that match the elasticity of native myocardium. This approach shows increased functional maturation and spontaneously beating iCMs, with implications for treating heart failure and myocardial infarction.
A new study has identified a potential therapeutic target, fibronectin (FN1), to improve endocardial function and regenerate cardiac valves, septum, and coronary vessels in children with hypoplastic left heart syndrome. This discovery offers hope for increasing heart chamber size and reducing the need for multiple surgeries.
Researchers at the University of Helsinki have developed a tissue-engineered approach to stimulate myocardial regeneration in ischemic heart disease. The therapy uses autologous atrial appendage micrografts to improve functional recovery and preserve heart pumping function.
Researchers found that forcing cardiomyocytes to consume glucose instead of fatty acids extended the window for heart cell regeneration, potentially treating conditions like heart failure.