Articles tagged with Regeneration
Researchers created multicellular bots from human tracheal cells that move across surfaces and promote healing of damaged neurons in a lab dish. The discovery could lead to new therapeutic tools for regeneration, healing, and disease treatment using patient-derived biobots.
Researchers have unlocked the developmental mechanism of a unique reproductive process in Japanese green syllid worms. The stolon, a detached body part with gametes, swims autonomously and spawns after developing eyes, antennae, and swimming bristles.
Researchers at Tokyo Medical and Dental University found that mutant α-synuclein protein propagates through the brain's lymphatic system in its monomeric state before aggregating, shedding light on Parkinson's disease progression. The study suggests targeting early events may limit disease progression.
Researchers found that epigenetic silencing shuts off key genes required for sensory cell conversion. Enzyme TET can remove methyl groups to reverse gene silencing and restore hearing capability. Progenitor cells in deaf ears may already be primed to convert into sensory hearing cells.
Researchers from Tokyo Medical and Dental University discovered a new mechanism that stimulates brain-autonomous neural repair after ischemic stroke by secreting lipids. The mechanism involves PLA2G2E, which increases dihomo-γ-linolenic acid (DGLA) levels, promoting inflammation reduction and neuronal repair.
The IU team has made significant contributions to the Human BioMolecular Atlas Program, including the development of Organ Mapping Antibody Panels and the creation of a Human Reference Atlas. The research papers cover various aspects of tissue mapping, organ imaging, and data visualization.
Researchers at the University of Virginia Health System have identified a novel mechanism by which hair cells can repair themselves after damage. This breakthrough understanding has the potential to develop new treatments for age-related hearing loss and other conditions.
Researchers at Nara Institute of Science and Technology identified the WOX13 gene as a key negative regulator of shoot regeneration in plants. The study found that WOX13 inhibits a subset of shoot meristem regulators while directly activating cell wall modifier genes involved in cell expansion and differentiation.
Researchers discovered that a tiny sea creature, Hydractinia, regenerates its entire body with help from aging cells, providing insights into the interconnectedness of healing and aging. The study suggests that senescence may have evolved as a regeneration mechanism in ancient animals.
Scientists have defined a basic toolkit for forming tubular organs in animals, which is thought to be the foundation of organ development in vertebrates. The study uses the sea star as a model organism and reveals that cells can proliferate and migrate simultaneously during tube formation.
Scientists developed novel sugar-based molecules that can enhance bone regeneration and outperformed standard biomaterials, indicating their potential for treating bone fractures and conditions. The new molecules were designed using computer simulations and tested in mice, showing a significant improvement in bone healing.
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.
A new study reveals that lampreys use body-sensing feedback to regain swimming abilities after spinal injury, challenging the conventional view of neural regeneration. Mathematical models suggest that this technique could be applied to humans with spinal injuries or diseases affecting movement.
Collagen deposition at injured sites in the gut stimulates cellular reprogramming, converting mature cells into fetal-like cells to generate new tissue. This process has implications for understanding intestinal inflammation and potentially colorectal carcinogenesis.
Researchers discovered the cellular mechanism and molecular trajectory for formation of adult pluripotent stem cells in the acoel worm Hofstenia miamia. This study provides insight into regenerative abilities of certain animals and may lead to new understanding of how stem cells are made.
Researchers have found that cyclones and fires can interact in devastating ways, causing more damage than either event alone. The study suggests that high-intensity bushfires could be followed by cyclones, encroaching on previously low-risk areas and extending damage zones.
Dr. Nathan Hogaboom has won the prestigious Ernest Bors, MD Award for Scientific Development for his pioneering work on regenerative rehabilitation research in spinal cord injury. His award-winning study applied novel principles to treat debilitating shoulder pain in wheelchair users with spinal cord injury.
Researchers have developed a mouse embryo model using only embryonic stem cells, achieving a high level of developmental stages including beating hearts and brain formation. This advancement opens up new avenues for understanding human pregnancy loss and developing organs in culture.
A multi-institute team used BGI Stereo-seq technology to create a single-cell resolution spatiotemporal map of salamander brain development, revealing key neural stem cell subsets and dynamic changes in spatial distribution. The study provides new ideas and guidance for regenerative medicine in the mammalian nervous system.
Researchers at Brigham and Women's Hospital have developed a highly efficient method to generate human kidney cells, including principal and intercalated cell lines. This breakthrough could lead to new therapies for treating congenital abnormalities of the kidney and urinary tract, such as polycystic kidney disease.
Researchers developed optimized human small intestinal organoids with mature Paneth cells, mimicking the original human intestine. The discovery highlights the importance of Interleukin-22 in activating Paneth cells, which helps prevent infections and maintain barrier function.
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 the University of Connecticut have developed a potential breakthrough treatment for rotator cuff tears, using an advanced polymer to stimulate regeneration of both the tendon and muscle. This approach addresses the real problem of muscle degeneration and fat accumulation that often leads to re-injury after surgery.
Researchers identify LINE-1 RNA as a key player in premature aging, revealing its role in progeria and potential therapeutic targets. By inhibiting LINE-1 RNA, scientists reverse signs of aging and extend lifespan in mice.
Researchers propose a new learning method for individuals with autism, utilizing 'memory flashes' to accelerate learning and improve visual perception capabilities. The study showed significant improvement in both learning speed and generalization of skills, even under new conditions.
Researchers from the University of Tsukuba discovered that changes in the extracellular environment during metamorphosis and body growth enable newt muscle fibers to dedifferentiate and contribute to limb regeneration. This process is crucial for newts' ability to regenerate limbs throughout their life cycle.
A team of researchers at University of Zurich successfully transplanted a human liver that was treated in a machine, paving the way for a potential solution to the global organ shortage. The liver was preserved for three days outside the body using a custom-made perfusion machine.
A recent study published in NPJ Regenerative Medicine found that large bone injuries trigger a repair strategy recapitulating elements of skeletal formation in utero. The gene Sonic hedgehog (Shh) plays a necessary role in healing central regions, while small-scale fractures heal through a distinct program.
Research reveals YME1L protein balances cellular proliferation and quiescence in neural stem cells. Defects lead to premature conversion of stem cells into neurons, impairing long-term neural regeneration.
Researchers found that tropical forests can recover soil fertility in under 10 years, plant functioning in less than 25 years, and species diversity in 60 years. Allowing secondary forests to regrow can be an important part of tropical forest conservation, providing a toolkit for ecosystem restoration.
Researchers at Tufts University successfully regrow a functional, nearly complete limb on adult frogs using a five-drug cocktail and silicone wearable bioreactor dome. The treatment sets in motion an 18-month period of growth restoring a fully functional leg.
Researchers have discovered that marine worms must develop a certain number of body segments before forming their original reproductive cells. This finding could have major implications for human stem-cell research and infertility treatments.
A team of researchers at Fudan University has found that the protein NeuroD1 does not induce microglia-to-neuron conversion as previously thought. Instead, it causes microglial cell death. The study suggests that this finding may be due to experimental artifacts and highlights the need for stringent evidence in scientific research.
Researchers discover changes in muscle torque recovery can predict maximum voluntary strength gains but not delayed-onset muscle soreness. The study's findings offer a promising approach to assessing muscle damage symptoms after exercise.
Researchers have successfully created transgenic three-banded panther worms to study regeneration, revealing detailed insights into the cellular anatomy of these animals. By manipulating specific genes, scientists can now investigate the role of muscle cells in holding the worm's body together and storing information for regeneration.
A new gene delivery system promotes healing in rat models by preventing inflammation and bone degradation after tooth replantation. The study found that teeth treated with the system showed significantly greater dental root thickness and fewer osteoclasts, leading to improved success rates.
Researchers at UMD are developing CRISPR-Combo systems to improve genome editing and crop regeneration. The technology aims to reduce the time and cost of breeding new crop varieties with enhanced nutritional and agronomic traits.
Researchers found that felled trees should be worked on to avoid physical contact with conservation targets, minimizing damage to understory trees. The study used a spatial grid and Geographic Information System to model damage and predict potential losses for harvesting.
A study of 136 nonprofits and 38 for-profit companies found that many planted commercial species like chocolate and mango trees, with only a fraction tracking survival rates. The analysis suggests organizations should prioritize biodiversity and monitoring to ensure effective tree planting projects.
A new, rapid screening approach using CRISPR/Cas9 technology identified immune system-related genes crucial for zebrafish spinal cord injury repair. The study found four genes essential for repairing severed spinal nerve connections.
A study published in Nature Communications found that regenerating tropical forests in Malaysian Borneo continued to grow despite high temperatures and water demand, but with limitations due to fragmentation and climate change. The researchers suggest wider buffers around riparian reserves to support forest growth and recovery.
A research team led by Prof. Gong Chen has developed a novel gene therapy approach to regenerate functional new neurons using local glial cells in the injured spinal cord. This method uses internal glial cells and directly converts them into neurons, offering a promising therapeutic intervention for patients with spinal cord injury.
Researchers at the University of Alberta have found a way to accelerate nerve regrowth in trauma patients by three to five times, leading to better outcomes. The treatment, known as conditioning electrical stimulation (CES), involves electrically stimulating nerves before surgery, causing them to regenerate faster.
Researchers at the University of Georgia developed a new cell-to-cell messaging technology using bio-manufactured exosomes to treat traumatic brain injuries. The treatment, called IV treatment, showed improved functional recovery in rats after TBI.
Researchers successfully regrew axons and repaired neural tissue in monkeys with spinal cord injuries using a biodegradable material loaded with neurotrophin3. The treatment promotes long-distance regeneration, functional recovery, and potential therapeutic implications for human SCI.
A team of researchers has identified an enzyme called Aurora kinase that plays a key role in the regeneration process of single-celled organisms like Stentor. By inhibiting this enzyme, they were able to speed up the healing process without any negative side effects.
Researchers discovered that cutting parallel fibres in normal mice results in three distinct phases of degeneration, hypertrophy, and remodelling. In contrast, mice lacking the GluD2 receptor remain stuck in the degenerative phase. This suggests that GluD2 plays a crucial role in regulating nerve regeneration.
Male fiddler crabs use deception to their favour by blurring the line between original and regrown claws. They adapt their combat strategies based on claw strength, opting for smaller opponents with weakened regrown claws to avoid injury.
Researchers found that puerarin, a natural compound, activates growth-associated protein 43 in the spinal cord after sciatic nerve injury, contributing to neural regeneration. The study published in Neural Regeneration Research suggests a potential therapeutic role for puerarin in peripheral nerve injuries.
A study of 34 patients with persistent clinical symptoms and neurologic signs of impaired nerve function found that ultrasonography had a concordance rate of 98% with surgical results. The majority of patients (86%) showed good recovery after neurolysis, anastomosis, or transplantation.
Research highlights the importance of glial cells in CNS regeneration. Glial cells provide support and protection for neurons, but also influence the survival and fates of transplanted neural stem cells. Regulating their behavior can create a permissive microenvironment for neuronal regeneration.
Cerebral microbleeds have been shown to be a significant marker for diffuse axonal injury, which can lead to severe neurological disorders. The study highlights the importance of using susceptibility-weighted imaging to detect these tiny changes and evaluate traumatic cerebral microbleeds with high sensitivity.
Researchers found that Ginkgo biloba treatment improved recovery and reduced brain damage after inducing experimental stroke in mice. The treatment also enhanced neurogenesis due to increased protein expression of hemeoxygenase 1, an antioxidant gene involved in neurogenesis.
Researchers established a standardized model of radial nerve injury in rhesus monkeys to evaluate peripheral nerve repair. The study found that bone marrow stem cell-laden allografts achieved comparable nerve regeneration to autografts, suggesting potential for improved treatments.
Intravenous transplantation of BMSCs has been shown to promote nerve cell regeneration in injured cerebral cortex, supplementing lost nerve cells. This study provides evidence for the potential use of BMSCs as a therapeutic option for traumatic brain injury treatment.
Researchers at National Taiwan University have reviewed treatment options and imaging tools for peripheral nerve repair, contributing to knowledge in the field. The study proposes several imaging tools that may help visualize peripheral nerve regeneration in vivo and in real-time.
A recent study found that valproic acid significantly increased Bcl-2 and growth associated protein 43 expression, and reduced c-Jun expression after brachial plexus avulsion in Wistar rats. This suggests that valproic acid can protect neurons and enhance neuronal regeneration following the injury.
A recent study found that ursolic acid induces neural regeneration and repair after sciatic nerve injury in mouse models. The compound promoted the regeneration of injured nerve myelin sheaths and reconstructed muscular functions.
Researchers found that poly(lactic-co-glycolic acid) conduit transplantation can significantly enhance the quality of sciatic nerve regeneration compared to traditional autogenous nerve grafting methods. The conduits increased maximum tensile load, stress, and elastic limit load while reducing strain.
In a study published in Neural Regeneration Research, decimeter wave therapy was found to contribute to the regeneration and recovery of compressed nerves. Intraoperative electric stimulation also showed positive effects on nerve repair.