Articles tagged with Tissue Regeneration
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Researchers have identified a priming cocktail that improves the success of cardiac stem cell grafting, enhancing cell adhesion and proliferation. The discovery has potential applications for treating the 700,000 Americans who suffer from heart attacks each year.
Researchers found that transplantation of olfactory ensheathing cells improved autonomic nerve function in patients with spinal cord injury. The study used a simple electrophysiological detection method to assess sympathetic skin response, which showed significant recovery after treatment.
A study published in Neural Regeneration Research found that dl-3n-butylphthalide improved motor and sensory functions after diffuse brain injury. The compound also increased vascular density and cerebral blood flow, suggesting potential therapeutic benefits for microcirculation disorders.
Researchers found that two salamander species have distinct ways of regrowing muscles, with one relying on dedifferentiation and the other on stem cells. This discovery may lead to a better understanding of human muscle regeneration and potentially treat muscular dystrophy.
Researchers at U of T's IBBME and McEwen Centre for Regenerative Medicine identified the optimal human heart cell composition and ratio associated with heart function. The discovery has led to the engineering of the first-ever living, three-dimensional human arrhythmic tissue.
Researchers created a three-dimensional cell culture with layers of smooth muscle, connective tissue, and lining cells embedded within a nickel-titanium alloy scaffold. The hybrid heart valve performed well in a heart simulator, opening and closing under various pressures without structural vulnerability.
Researchers identify genes that promote stem cell self-renewal and tissue repair, opening up possibilities for metabolic drugs to enhance regeneration. A network of RNA-binding proteins regulates stem cell function and tissue growth during fetal development.
Researchers at UCI found that cells from a transplanted limb acquire the molecular 'fingerprint' of their new location, allowing them to transform into cells with the signature of the region they're grafted onto. This ability, called positional plasticity, has implications for regenerative therapies and cancer biology.
Researchers found that male zebrafish's breeding structures impede tissue regeneration after injury, leading to a sex-specific deficiency. This study sheds light on the tradeoffs between reproduction and survival, suggesting that natural selection may impact regenerative potential.
Researchers have discovered a key role for the follistatin/activin-1-2 switch in regulating regeneration in planarian flatworms. The more severe the tissue loss, the higher the expression of follistatin, which inhibits activin proteins and allows regeneration to begin.
Researchers at UC Davis have successfully generated oligodendrocytes with spiking properties, allowing them to produce myelin and mature into functional brain cells. The enhanced cells showed superior regenerative capacity and produced thicker, longer myelin sheaths than natural cells.
Manuela E. Gomes, a Portuguese researcher, has received the 2013 TERMIS-EU Young Scientist Award for her contributions to tissue engineering and regenerative medicine. Her research focuses on bone and cartilage tissue engineering strategies, including scaffold materials, stem cells, and dynamic cell culturing systems.
Chinese herbal medicine JSK improves spinal cord injury outcomes in rats by reducing inflammation, cell apoptosis, and boosting local oxygen supply. It promotes tissue regeneration, restores function, and supports weight-bearing movements.
Researchers have identified muscle cells as the primary source of positional control in regenerating planarians, enabling them to respond to wounds and regenerate missing tissues. This discovery opens new avenues for understanding regeneration and could potentially inform treatments for human injuries and diseases.
Researchers developed tissue-engineered nerves using acellular nerve allografts and bone marrow mesenchymal stem cells to repair long-segment sciatic nerve defects. The study showed improved hind limb motor function and similar conduction velocities to autologous nerve grafting.
Recent research suggests that oxidative stress and mitochondrial damage are key contributors to the development of neurodegenerative diseases. The study highlights the importance of mitigating mitochondrial dysfunction as a potential therapeutic strategy for treating various neurodegenerative diseases.
A research team has identified a new approach to enhance normal tissue growth, which could have widespread therapeutic applications for patients with various medical conditions. The study found that epoxyeicosatrienoic acids (EETs) play a critical role in accelerating tissue growth and regeneration.
Kuo-Fen Lee's discovery of the protein P45 provides insight into a possible molecular mechanism to promote rerouting for spinal cord healing and functional recovery. P45 has been shown to have a previously unknown neuroprotective effect, preventing cell death in injured mice.
A study published in Nature Neuroscience has identified a compound called activin-A that helps trigger the regeneration of protective sheaths around nerve fibers in the brain. This finding could lead to new drug targets for enhancing myelin regeneration and restoring lost function in patients with multiple sclerosis.
Lamins are essential proteins supporting the organization of stem cell niches, which regulate proliferation and differentiation of germline stem cells. This discovery could lead to a better understanding of diseases caused by lamin mutations and their impact on tissue degeneration.
Scientists have identified a novel mechanism of cardiac regeneration in zebrafish, where muscle cells from the atrium actively migrate into damaged parts of the heart muscle in the ventricle. This process, known as transdifferentiation, results in the formation of new ventricular tissue and restoration of cardiac function.
Damon Runyon Cancer Research Foundation has named 17 new Fellows, awarding over $2.7 million in grants to early-career researchers conducting innovative cancer research. The recipients will work on novel projects aiming to develop more effective treatments for various cancers.
Scientists at NYU Langone Health have discovered a population of self-renewing stem cells in the nail matrix that depend on Wnt signaling proteins to regenerate bone and tissue. This breakthrough holds promise for therapies to help people regenerate lost limbs, affecting an estimated 1.7 million Americans with amputations.
Researchers at MIT have identified 12 chemical compounds that help liver cells maintain their normal function while grown in a lab dish, and multiply to produce new tissue. The compounds can also mature induced pluripotent stem cells into fully functional hepatocytes.
Researchers from Monash University found that macrophages play a crucial role in salamander regeneration. Without them, salamanders lose their ability to regenerate and form scar tissue instead. The study brings scientists closer to understanding the conditions needed for human regeneration.
Researchers are exploring new approaches to cure stroke by unlocking the brain's regenerative potential. The goal is to develop a novel stroke therapy for humans using newly identified treatments.
Harvard Stem Cell Institute researchers have identified a protein, GDF-11, that reverses the effects of aging on mouse hearts. The protein was found to reduce heart size and thickness, similar to healthy younger mice.
Researchers discover adult progenitor cells are subject to cellular senescence, leading to age-related deterioration of skeletal muscle and fat tissue. The study suggests a potential therapeutic target for future treatments, particularly the tumor suppressor p53.
Researchers found that intestinal stem-cell regeneration in fruit flies varies with the time of day, with gut healing being more effective at certain times. This study sheds light on how circadian rhythms control daily functions and has potential applications for human health, including optimizing chemotherapy timing.
Researchers at IDIBELL and VHIR have developed a treatment using adult mesenchymal stem cells to regenerate damaged lung tissue and reduce inflammation. The licensed product has shown promising results in animal models of acute respiratory distress and allergic asthma.
A new technique allows researchers to create complex tissues with any spatial organization, mimicking the body's natural complexity. The 'lock-and-key' method uses tiny shapes that lock into templates, allowing for rapid assembly of large tissues and precise control over cell alignment.
A new study on the Newt transcriptome has identified 826 proteins specific to urodeles and several newly discovered proteins that may play roles in regeneration. The data outline genes present only in regenerating tissues, which could be crucial for regenerative medicine research.
Researchers are developing stem cell-based transplant technology to recreate complex tissues and organs, with successful trials in trachea, oesophagus and lung transplantation. Experimental attempts also show promise for brain regeneration and treatment of acute refractory lung failure.
Researchers at Northwestern University are using bone marrow cells to recreate bladder muscle, vasculature, and nerve tissue, potentially replacing traditional surgery. This approach aims to address complications associated with bowel-based augmentation cystoplasty, a common surgical option for bladder dysfunction.
Researchers discovered that Achilles tendons retain high levels of carbon-14 from the Cold War era, indicating limited renewal and a slow healing process. This finding explains why tendon injuries often persist for years, but also opens up opportunities for developing new treatments to provoke dormant cells into repairing the tendon.
Scientists at the University of Manchester have discovered that reactive oxygen species (ROS) play a crucial role in tadpole tail regeneration, which could lead to new therapies for human tissue repair. The team found that manipulating ROS levels may be essential to initiate and sustain regeneration processes.
UT Southwestern researchers identified microRNA miR-15 as a regulator of the heart's ability to regenerate, with potential therapeutic applications. By understanding this molecular mechanism, scientists may be able to control the heart's regenerative process and develop new treatments for cardiovascular disease.
A new selective target in muscle regeneration has been identified by researchers at the Bellvitge Biomedical Research Institute. The association of alpha-enolase protein and plasmin plays a crucial role in regulating immune cell attraction and formation of new muscle tissue from stem cells.
Researchers have developed a new class of adhesive materials modeled on the unique properties of porcupine quills. These quills can easily penetrate tissue but are difficult to remove, and studying their mechanism could lead to less-painful needles and adhesives that bind internal tissues securely.
Researchers at Harvard University have developed a biocompatible gel-based sponge that can be molded to any shape, loaded with drugs or stem cells, and delivered via injection. The sponge pops back to its original shape once inside the body, gradually releasing its cargo before safely degrading.
Researchers at Rice University aim to inject scaffolds infused with living cells to repair damage inside tissues naturally. They plan to start trials of their dental hydrogel within two years, which could also be used for spinal cord regeneration and eye conditions.
Researchers at Ghent University have developed a simplified model to measure the absolute density of OH radicals in plasma, improving the accuracy of radical treatment for medical applications. This breakthrough could stimulate tissue regeneration and induce targeted antiseptic effects without harming neighboring tissues.
Planarians can regrow missing organs, including the intestine, after injury. Researchers identified genes that control intestinal growth and regeneration using RNA interference. The study provides insights into stem cell division, cellular events, and molecular signaling pathways involved in organ regeneration.
Researchers have developed a new laser-activated bio-adhesive polymer called SurgiLux, which forms low-energy bonds with tissues when activated by light. This technology has the potential to replace traditional sutures in clinical settings, particularly for delicate tissues like neurons or blood vessels.
Researchers at Wake Forest Baptist Medical Center identify a unique rat model of bladder regeneration, which may help understand regenerative processes in mammals. The study found that cells in the bladder lining proliferate and transition into stem cells to repair damaged bladders.
Researchers discovered that influencing macrophage cells after injury can increase nerve regeneration rates by up to 20 times. The technique uses interleukin-4 cytokine to convert macrophages into a 'pro-healing' phenotype, promoting natural repair mechanisms.
Researchers create dynamic optical projection stereolithography (DOPsL) to print microscale 3D structures in seconds, enabling better cell growth and studying, as well as regenerative medicine applications.
Researchers at Cedars-Sinai Heart Institute will study the cellular mechanisms behind an experimental stem cell therapy that regenerates healthy muscle in damaged hearts. The treatment has shown promising results, with a 50% reduction in scar size and improved cardiac regeneration.
Six UC San Diego researchers received over $7 million in CIRM funding to study human embryonic stem cells, induced pluripotent stem cells, and hematopoietic stem cells. Their work aims to develop unlimited sources of transplantable beta-cells for diabetes patients and promote immunological tolerance to hESC-derived tissues.
Researchers have developed a new stem cell therapy that uses patient's own cells to regenerate craniofacial tissues, resulting in greater bone density and quicker bone repair. The treatment is best suited for large defects such as those resulting from trauma, diseases or birth defects.
Researchers have identified a molecular cue that maintains a quiescent pool of blood-forming stem cells in mouse bone marrow by regulating non-canonical Wnt-signaling. The study found that Flamingo and Frizzled 8 play a crucial role in maintaining the balance between long-term maintenance and ongoing tissue maintenance and regeneration.
Researchers at University of Nottingham are developing new injectable materials that stimulate stem cells to form new blood vessels, heart and bone tissue. The goal is to create radical new treatments for diseases with no cure, reducing the need for invasive surgery.
Researchers at WashU Medicine identified a protein called dual leucine zipper kinase (DLK) that regulates signals telling the nerve cell it's injured, allowing nerve regeneration. The study shows DLK governs whether the neuron turns on its regenerative program.
Researchers have found that the omentum's fat cells can suppress the immune system by sequestering activated T cells, a finding that could lead to new drugs with fewer side effects. The omentum also helps regenerate damaged tissues through mesenchymal stem cells.
Scientists at University College London have discovered a potential new method to regenerate damaged skeletal muscle tissue using stem cells derived from amniotic fluid. The treatment resulted in improved survival rates and muscle activity in mice with spinal muscular atrophy, a genetic disease affecting one in six thousand births.
Stem cells, essential building blocks of life, gradually lose their ability to maintain tissues and organs as they age. Researchers at the Salk Institute found that the stem cell niche's biological events contribute to this decline, but also discovered a mechanism to reverse it by increasing expression of Imp.
Researchers at University of Pittsburgh School of Medicine developed a bio-hybrid device that acts as an 'inflammation thermostat' to control systemic inflammation in sepsis. The device loads human liver cells engineered to produce anti-inflammatory proteins, which balance inflammation and immune responses.
A Duke University Medical Center team has developed a method to convert scar tissue in the heart into functioning heart muscle cells using microRNAs. This approach eliminates the need for stem cell transplantation, potentially treating millions of people with heart failure caused by scar tissue after a heart attack.
Researchers are developing new cell-interactive resilin-like materials with mechanical properties similar to the natural protein to treat vocal fold disorders. The materials have been engineered to support the growth of multiple types of cells and exhibit biochemical and mechanical properties like those of healthy vocal fold tissue.
Researchers have successfully converted scar tissue into heart muscle cells using microRNA, a breakthrough that could lead to new treatments for heart attacks and heart failure. The study uses microRNAs as master switches to regulate gene expression, converting fibroblasts into functional heart muscle cells.