Articles tagged with Tissue Damage
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Researchers have developed an injectable hydrogel that can repair damaged cardiac tissue and promote new cell growth after a heart attack. The gel forms a scaffold, encouraging the heart to rebuild itself without triggering adverse immune responses.
Researchers from the University of Bristol found that a flash of calcium is the initial trigger in the body's response to healing. This calcium signal activates an enzyme that synthesizes hydrogen peroxide, attracting white blood cells to the wound and initiating the inflammatory response.
A new compound developed by scientists at Scripps Research Institute protects heart cells from damage caused by heart attacks. The compound inhibits a specific enzyme, reducing tissue death by up to 34% and mitochondrial dysfunction.
Researchers created ultra-thin cardiac patches using nanotechnology to boost material conductivity and induce heart tissue formation. The novel patches showed excellent mechanical integrity and advanced electrophysiological functions.
A proof-of-concept clinical trial showed improved tissue growth after implanting a hydrogel scaffolding in 15 patients. New cartilage filled an average of 86% of the defect, and patients reported a greater decrease in knee pain.
Scientists at Texas Biomedical Research Institute have demonstrated that baboon embryonic stem cells can completely restore a severely damaged artery. The results show promise for developing stem cell therapies to restore human tissues or organs damaged by age or disease.
Researchers developed a method to create stretched polymer scaffolds that support the growth of human mesenchymal stem cells, promoting consistent alignment and elongation into tissues. This innovative approach has potential applications in regenerating damaged or diseased tissue.
Researchers use microfabrication techniques to create 3D brain tissues with precise control and manipulation, enabling the study of neuron connections and predicting cell responses to drugs. The new technique paves the way for developing bioengineered implants for organ systems and personalized medicine.
A recent study published in Cell Host & Microbe reveals that expression of H Ferritin gene reduces oxidative stress and prevents tissue damage by controlling iron accumulation. This protective mechanism provides a new approach to treating malaria by inducing tolerance to the disease, without targeting the parasite.
A cluster of five incidents involving toddlers swallowing liquid detergent capsules has prompted a call to action for improved safety warnings and childproof packaging. The incidents resulted in airway blockage, swelling, and ulceration, highlighting the need for urgent action to prevent potential life-threatening injuries.
Researchers use bimodal dual AC mode microscopy to analyze eye tissue damaged by scarring in diabetic patients. The study provides detailed information on the composition and surface characteristics of these tissues.
Researchers at NIST created a novel bioreactor that stimulates and evaluates tissue as it grows using ultrasound technology, reducing the need for destructive sampling. The device has shown promise in creating three-dimensional engineered cartilage with improved structural properties.
Researchers at Wake Forest Baptist Medical Center have developed a new device called mechanical tissue resuscitation (MTR) that uses negative pressure to reduce cell death and improve brain function after traumatic brain injury. The technology showed significant promise in reducing brain swelling and preserving more than 50% of damaged...
Researchers at the University of Edinburgh have discovered a way to increase hepatocyte cells, which detoxify the liver, by encouraging their production instead of bile duct cells. This breakthrough could help develop drugs to encourage liver self-repair and ease pressure on waiting lists for liver transplants.
Researchers at the University of California - San Diego have developed an injectable hydrogel that could repair cardiac tissue damaged by heart attacks. The gel promotes positive remodeling-type response and is compatible with catheter delivery, offering a minimally invasive treatment option.
Researchers at Northwestern University have developed a new method for creating scaffolds that are more flexible and less time-intensive than current technology. The process uses ceramic nanoparticles and elastic polymers to create highly interconnected pores that do not require the use of salt.
A team of researchers has designed a microvascular stamp that uses living cells to deliver growth factors to damaged tissues in a defined pattern. After a week, the resulting network of new blood vessels mirrors the pattern of the stamp's channels, demonstrating controlled growth and spacing.
Researchers at KIT biologists identified key factors controlling thalamus development, enabling potential tissue replacement therapy for stroke patients. They are now developing 2D cell culture systems and 3D cultivation projects to activate these factors in undifferentiated cells.
Scientists have developed a new smart polymer that breaks apart into small pieces in response to harmless levels of irradiation, paving the way for safe medical applications of tissue-penetrating light. The material has potential for use in diagnosing diseases and engineering new human tissues in the lab.
Researchers have discovered how cells detect and respond to tissue damage, a process triggered by the molecule syndecan-4. This understanding could lead to improved tissue repair treatments for patients following illness or surgery.
Researchers have shown they can reverse the aging process for human adult stem cells, which are responsible for helping old or damaged tissues regenerate. The study found that suppressing the accumulation of toxic transcripts from retrotransposons allows for rejuvenation and resetting of 'aged' human stem cells.
A Cochrane Review analyzed 35 Cochrane Reviews of randomized trials to evaluate the effectiveness of 46 different drug/dose combinations against acute pain. The review found that no single drug provides high levels of pain relief for all patients, but some options have a solid evidence base
Researchers found that a diet of flaxseed protects lung tissues before and after exposure to radiation, reducing damage and improving survival rates in mice. Flaxseed's bioactive lignan component is believed to confer its antioxidant properties, making it an attractive radioprotector and mitigator.
A novel nanostructure mimics vascular endothelial growth factor to promote blood vessel growth, potentially treating conditions like peripheral arterial disease. The nanostructure shows promise in restoring blood flow and has a longer half-life compared to the natural protein, enhancing its potency.
A recent study published in Science has discovered that the majority of scar cells in spinal cord injuries are derived from pericytes, not glial cells. This finding suggests that modulating pericyte activity could potentially stimulate functional recovery after CNS damage.
Researchers at Case Western Reserve University found that mesenchymal stem cells can inhibit an overactive immune system and promote tissue repair. These cells have shown potential in treating conditions such as acute heart attack, stroke, kidney failure, and juvenile diabetes.
Researchers have developed new tissue engineering methods to treat joint damage in osteoarthritis, including implantation of biomaterial scaffolds that guide cell growth and regeneration. The technology has shown promise in promoting cartilage tissue repair and regeneration.
A new biomaterial more closely mimics native human tissue, exhibiting negative Poisson's ratio and maintaining its shape when stretched. The breakthrough enables the creation of biocompatible tissue patches for repairing damaged heart walls, blood vessels, and skin.
Researchers at Columbia University have established a new method to repair damaged hearts using a tissue-engineering platform. This breakthrough enables heart tissue to repair itself and has the potential to combat cardiovascular disease, one of the most serious health problems today.
A new, multifunctional catheter developed by Northwestern University and the University of Illinois can perform all necessary medical devices for cardiac ablation therapy in one minimally invasive procedure. The device combines diagnostic and treatment capabilities, improving clinical arrhythmia therapy by reducing steps and costs.
A new study has found that macrophages have a seven-cell uptake threshold, governing the healing process. The researchers also discovered substances informing cells on tissue repair rates and accelerating macrophage transition to immune organs.
Researchers found a thin layer of epithelial cells on healthy tendons that prevent adhesion formation. Mice with defective cells developed tendon adhesions, highlighting the importance of tissue surface integrity.
A research team led by Richard Waugh is investigating the reasons behind the limited attraction of white blood cells to injured tissue. They aim to develop pharmaceutical treatments that can modulate the response of white blood cells.
A research team at Worcester Polytechnic Institute demonstrates the feasibility of delivering adult bone-marrow-derived stem cells using biopolymer microthreads, which support cell growth while maintaining differentiation potential. The technology has the potential to improve cardiac function and treat cardiac arrhythmias.
PlasmaButton therapy offers a new treatment option for benign prostatic hyperplasia (BPH), with benefits including excellent tissue ablation, minimal patient morbidity, and ease of use. The technology provides a virtually bloodless procedure, reducing complications such as urinary tract infections and renal failure.
Researchers at the University of Cincinnati have developed a stem cell-infused patch that promotes cell migration to damaged cardiac tissue following a heart attack, resulting in improved function. The patch combines cardiomyocytes, endothelial cells, and embryonic fibroblasts to enhance regeneration of heart tissues.
US Department of Agriculture researchers have created strong yet pliable films made from a blend of gelatin from Alaskan pollock skins and polylactic acid. These films may be used in tissue-engineering labs to produce semi-synthetic tissue for bone and cartilage repair, potentially speeding up recovery times.
A study by LSU Health Sciences Center researchers found that Docosahexaenoic acid (DHA), a fish oil component, can protect brain tissue and promote recovery in acute ischemic stroke even when treatment is delayed. DHA treatment reduced swelling and facilitated neurobehavioral recovery.
Researchers at the University of Calgary have discovered that damaged tissue can release signals that attract white blood cells, leading to inappropriate inflammation. The team used innovative imaging techniques to observe this process in real-time, shedding light on potential new treatments for inflammatory diseases.
A new study has uncovered the genetic mechanisms controlling the growth of collateral circulation, which can provide oxygen to starved tissues in the event of a heart attack or stroke. The researchers identified a section of DNA involved in variation in collateral vessel density and diameter.
Researchers develop a new method to target cancer tumors using heat and magnets, reducing side effects and damage to healthy tissue. The innovative technique uses biomarkers attached to individual tumors and excites nano-particles with an external magnetic field, killing the tumor cells.
A Yale University-led team of scientists has made an important breakthrough in regenerating fully functional lung tissue that can exchange gas. The researchers successfully implanted cultured lung cells into rats, which efficiently exchanged oxygen and carbon dioxide, mimicking the natural lungs' function.
Researchers at the University of Nottingham have identified a key gene, Smed-prep, essential for regenerating a planarian worm's head and brain after amputation. This discovery could one day lead to understanding human organ regeneration and tissue repair.
Researchers found that hormone replacement therapy in joint fluid may be beneficial for treating late-stage human osteoarthritis by regenerating damaged cartilage tissue. Estrogen and testosterone were shown to influence the expression of genes in chondrogenic progenitor cells, which are present in arthritic tissue.
A team of UBC researchers has identified a new type of cell that can produce both fatty tissues and scar tissue, potentially leading to breakthroughs in treating muscle diseases. The discovery could also lead to the development of treatments for other diseases characterized by fibrosis.
Researchers at Wake Forest University Baptist Medical Center have successfully grown replacement penile erectile tissue in rabbits, enabling normal sexual function and offspring production. The engineered tissue has the potential to benefit patients with congenital abnormalities, penile cancer, and some cases of erectile dysfunction.
A new system for delivering a scar-degrading enzyme has been developed, allowing for sustained delivery and improved degradation of dense scar tissue. This enables recovery from serious central nervous system injuries by facilitating nerve growth and regeneration.
Researchers at Ohio State University have found that giving supplemental oxygen to animals during a stroke can reduce damage to brain tissue surrounding the clot. The timing of delivery is critical to achieving this benefit, and using pure oxygen delivered by mask was also effective.
Research supports potential for new anti-cancer agent as loss of p53 and ATR severely disrupts tissue maintenance in mice, leading to rapid deterioration and fatal outcomes. Cells without ATR persisting in tissues cause blockage of regeneration, while absence of p53 worsens tissue degeneration.
University of Washington researchers have made significant improvements in engineering heart repair patches from stem cells, connecting to rodents' heart circulation with pre-formed blood vessels. The new patches successfully delivered rat blood to the transplanted graft, showing remarkable viability and functional capabilities.
Researchers at MIT have successfully generated blood vessels near damaged tissue using enhanced stem cells equipped with genes producing growth factors. The breakthrough could lead to new treatments for infarctions and induced blood supply for engineered tissues.
Researchers create mathematical model to predict optimal blood vessel size for tissue transfer, ensuring successful flap transfer and reducing failures. The model takes into account variables such as oxygen pressure and capillary spacing to provide a more accurate estimate of required blood vessel diameter.
A UC San Diego bioengineer has made significant discoveries on the universal need for cells, tissues, organs, and organisms to use common biological modules. The researcher found that despite differences in structure and function, various biological systems respond to forces using similar strategies.
Scientists at Boston University discovered Resolvins, a new family of biologically active products of omega-3 fatty acids with therapeutic potential. These compounds have been shown to resolve periodontal inflammation and regenerate tissues in experimental gum disease models.
Researchers have developed a world-first procedure to regrow muscles in a mouse model, which could be applied to human tissue-based illnesses such as liver or brain diseases. The technique strengthens adult stem cells' ability to regenerate damaged tissue by making them resistant to chemotherapy.
The study shows significantly increased disc tissue density and extracellular matrix components at 12 months post treatment, suggesting a potential link between ADRCs and improved disc condition. Viable ADRCs were identified within the discs, indicating a possible novel therapeutic for spinal surgery patients.
MIT researchers have created a novel scaffold that can aid in the repair of damaged heart tissue and potentially treat congenital heart defects. The biodegradable scaffold has directionally dependent structural and mechanical properties, allowing it to mimic native heart muscle structure and behavior.
Researchers have found a way to restore key surface proteins in adult stem cells, enhancing their movement and therapeutic potential. The simple chemical procedure uses a molecule called SLeX to get the cells off the 'couch' and over to their therapeutic target.
A new light-activated antimicrobial treatment has shown promise in killing a wide range of bacteria, including drug-resistant MRSA, in infected wounds and burns. The treatment uses indocyanine green dye activated by near-infrared light to produce toxic molecules that rapidly kill the bacteria.
A single protein is essential to both innate immune response and hypoxic response, revealing a critical regulator of the hypoxic response. The study provides clues toward new treatment strategies to boost immune function in infected tissues.