Articles tagged with Cartilage
Researchers at the University of Oklahoma have discovered a new protein fragment that could improve cartilage regeneration and reduce the need for osteoarthritis treatments. The protein fragment, developed by Handan Acar and Amgad Haleem, aims to help the body heal itself by elicititing a response from stem cells.
Researchers at Durham University have developed a sugar-containing polymer coating that can repair damaged artificial joint implants by mimicking the way cartilage works to lubricate human joints. The coating uses water to create a slippery surface, protecting the surfaces from wear and tear.
Dysfunction in mitochondrial respiration leads to imbalanced extracellular matrix (ECM) and tissue organization in cartilage. Research discovered the respiratory chain plays a key role in maintaining ECM balance.
A subpopulation of mesenchymal stem cells expressing CD73 has been identified as crucial for bone regeneration, displaying enhanced proliferation and differentiation capabilities. This subgroup promotes fracture healing by forming new cartilage and bone cells, contributing to the remodeling process.
A novel computational model predicts that articular cartilage can partially heal after injury by controlling inflammation. The study uses biomechanical and inflammatory aspects of osteoarthritis progression to develop a physics-based computational model.
Scientists successfully differentiate embryonic stem cells into cartilage cells and create three-dimensional pieces of cartilage tissue without any synthetic or natural supporting materials. The generated cartilage tissue is structurally and mechanically comparable to normal human cartilage.
A textile-based implant containing cartilage derived from stem cells reduced pain and restored hip joint function to baseline levels in a study of dogs with moderate osteoarthritis. The implant successfully integrated into the hip joints, effectively resurfacing them and allowing the dogs to regain activity levels.
Researchers have genetically engineered cells that can deliver a biologic drug in response to inflammation, reducing inflammation and preventing bone damage in mice with rheumatoid arthritis. This approach could provide personalized treatments for arthritis patients, limiting side effects associated with current therapies.
Researchers from the University of Basel have found that nasal cartilage cells can withstand chronic inflammatory conditions and counteract inflammation in osteoarthritis. The approach involves using engineered cartilage tissue to repair or replace damaged joints, offering a promising alternative to joint prostheses.
Researchers have discovered that the TRPV4 gene plays a crucial role in regulating cartilage growth, which could lead to more effective treatments for osteoarthritis and other cartilage diseases. The study also suggests that TRPV4 may be used to accelerate stem cell differentiation for bioengineering cartilage.
Research published at the American Orthopaedic Society of Sports Medicine Annual Meeting found that patients with high-grade acetabular cartilage damage have poorer outcomes after primary labral repair. The study also showed no significant difference in efficacy between chondroplasty and microfracture for patients with high-grade lesions.
A team of University of Alberta researchers has discovered a way to use 3-D bioprinting technology to create functional cartilage in just four weeks, which can be used to restore nasal features in skin cancer patients. This method reduces the risk of complications and provides a more precise solution for reconstructive surgery.
Scientists at the University of Leeds have created a material that mimics human cartilage, providing shock-absorbing and lubrication properties. The new material has shown great potential in engineering, particularly in bearings, and could challenge traditional oil-lubricated systems.
A study by researchers at Tokyo Medical and Dental University found that the Distal-less homeobox 5 (Dlx5) gene plays a significant role in directing cell fate in the mouse head. Higher expression levels of Dlx5 were linked to enhanced cartilage and bone formation, suggesting its importance in proper cranial development.
Researchers developed a hyaluronic acid hydrogel system to stabilize damaged cartilage, pausing its degeneration and promoting the formation of a protective barrier. The therapy was shown to enhance healing and restore regular activity to chondrocytes in lab tests.
Researchers found that chronic inflammation in osteoarthritis triggers a harmful 'feed-forward' loop in cartilage cells, making them more sensitive to pressure and leading to further breakdown of the cartilage. This discovery opens the door for disease-modifying treatments for osteoarthritis.
Researchers develop bioinks that can mimic the dynamic properties of native tissue, enabling the creation of functional tissues and organs. The goal is to produce personalized materials that would not be rejected by the body.
Researchers at Tokyo Medical and Dental University found that intermittent hypoxia inhibits mandibular cartilage growth in newborn rats. The study also showed decreased expression levels of genes TGF-β and SOX9 in jaw cartilage, while collagen X displayed increased expression.
A new study has discovered the cellular pathway leading to osteoarthritis and found that paroxetine slows down cartilage degeneration while promoting cartilage health in mice and human cartilage. The drug may be the first-ever treatment for this debilitating disease, which affects over 30 million adults.
The study presents a model to study intervertebral disc degeneration using experimental knowledge and network modelling solutions. The in-silico model predicts risk factors such as metabolic problems and deregulation of the inflammatory system that can affect the nutrition and functionality of the disc cells.
Cartilage cells engineered to respond to mechanical stress can produce an anti-inflammatory drug to reduce joint pain and limit arthritis-related damage. The technology could lead to more effective treatments for osteoarthritis by delivering drugs in response to specific movements or weight-bearing.
A new biomaterial, CartiScaff, has been developed using the natural cartilage matrix to support cell growth and regeneration. This innovative material shows promise in improving cartilage repair and potentially expanding treatment options for joint injuries.
Researchers at University of Pennsylvania School of Medicine have discovered a method to halt osteoarthritis-type knee cartilage degeneration by targeting a specific protein pathway. By over-activating the EGFR signaling pathway, they were able to slow down cartilage degeneration and knee pain in mice.
Researchers identified cytoplasmic localized histone deacetylase 6 (HDAC6) as a promising therapeutic target for OA. The study shows that Tubastatin A administration can postpone development of OA and improve cartilage degradation, suggesting it as a potential treatment.
Researchers have developed a novel method to bioprint fibrocartilage, a crucial tissue in knee joints, using a hybrid tissue construct. The study demonstrates the potential of this regenerative medicine treatment for repairing damaged cartilage and restoring knee function.
A team of researchers at the University of Pennsylvania School of Medicine has demonstrated a new method to rebuild complex body tissues using a magnetic field and hydrogels. This technique allows for the creation of engineered tissues with natural tissue-like properties, including a cellular gradient.
A multidisciplinary team has bioengineered living cartilage-bone TMJ grafts using the recipient's own cells, demonstrating effectiveness in a clinically sized swine model. The grafts integrated well with surrounding tissues and provided biological and mechanical function similar to the native joint.
Researchers at UniSA have identified a new biomarker for osteoarthritis using mass spectrometry imaging, which may improve early diagnosis and treatment. The study found specific sugars associated with damaged tissue compared to healthy tissue, potentially helping slow the progression of the disease.
A machine learning classifier accurately detected the beginning stages of osteoarthritis progression in a study of 86 individuals. The classifier achieved 78% accuracy up to 3 years before symptom onset, suggesting early detection may enable treatment at a reversible stage.
A new study from NYU Langone Health suggests that injecting adenosine into joints can stimulate cartilage growth and prevent disease progression. The treatment has shown promising results in animal models of osteoarthritis, with regrowth rates of up to 50%.
Scientists have discovered that changes in brain cartilage cells regulate memory changes during sleep, making memories stronger and weaker. Sleep deprivation prevents these changes, suggesting that altering the structure of perineuronal nets may be one of the mechanisms behind sleep-induced memory consolidation.
Researchers at Duke University have created a cartilage-mimicking gel that is strong and durable, matching the properties of natural cartilage. The gel has been tested to withstand heavy loads and repeated stress without losing its shape or deteriorating over time.
A recent study published in Sports Medicine - Open reveals that professional soccer players experience asymptomatic cartilage and meniscus damages in their knee joints, regardless of age or career duration. The dominant leg's condition is identical to the non-dominant one, with certain tissue changes more common in experienced athletes.
A collaborative research team has developed a multi-component biomaterial-based screening approach that identifies material compositions and mechanical stimuli enabling human stem cells to differentiate into cells capable of generating higher-quality articular cartilage. The study uses high-throughput screening with multiple combinatio...
Adult skates have a specialized type of progenitor cell that creates new cartilage. Newly healed skate cartilage does not form scar tissue. This discovery may lead to better understanding of how to stop human stem-cell therapies from differentiating into bone, offering hope for cartilage repair therapy.
Researchers used the homozygous G608G BAC-transgenic progeria mouse model to study degenerative joint diseases. Treatment combinations with pravastatin and zoledronic acid significantly improved bone mechanical properties and cartilage structural parameters.
Researchers have discovered remarkably well-preserved cartilage cells linked by an intercellular bridge and containing internal dark structures morphologically consistent with chromosomes. The team also found evidence of original molecules preserved in the dinosaur's cartilage, including a reaction to antibodies of Collagen II.
A new study by KU Leuven and Harvard University found that specific nutrients can inform stem cells which type of cell they should become. Fatty acids signal to stem cells to develop into bone-forming cells when blood vessels are present, while cartilage is formed without them.
A team of scientists has created a new class of 3D-printed biomaterials that can direct the regeneration of functional tissue in damaged cartilage. The materials are designed to provide cells with the exact cues they need to form tissue organized in the same way as natural cartilage.
A combination of two experimental drugs has reversed osteoarthritis in rats, with improved cartilage thickness and reduced cell death. The treatment may potentially translate to human use, offering a promising therapy for millions of adults affected by the disease.
A study published in Nature Communications suggests that age-related changes to spinal cartilaginous tissue can lead to painful nerve growth, causing unexplained low back pain. The research found that a porous structure in the cartilage endplates can invite abnormal nerve growth, making the normal load-bearing work of the spine painful.
Researchers have developed a bio-inspired membrane that combines the strength of bones with the ion transport properties of cartilage, enabling it to harness osmotic energy from saltwater. The membrane has shown high stability and performance, making it a promising solution for harvesting ocean energy.
Researchers at Wake Forest Institute for Regenerative Medicine have successfully bioprinted trachea constructs comprising of smooth muscle and cartilage regions, showcasing similar mechanical properties to human tracheal tissue. The novel approach could provide regenerative medicine treatments for damaged or diseased tracheal regions.
Researchers developed a low-cost, portable OCT system that can image structures in hard-to-reach areas like joints. The device uses an endoscopic delivery system to provide real-time quantitative information on cartilage thickness without damaging the tissue.
A 370-million-year-old tetrapod, Parmastega aelidae, had a skull resembling a crocodile with eyes above its head, indicating it could keep an eye on prey while swimming. It used slender needle-like teeth and elastic jaws to snatch prey before crushing it with massive fangs.
Researchers at Duke University Medical Center discovered a mechanism for cartilage repair similar to salamanders' limb regeneration. Cartilage age depends on joint location, with ankles being younger, knees middle-aged, and hips older. MicroRNAs regulate this process and may be developed into arthritis medicines.
A clinical trial found that an experimental growth factor increases knee cartilage thickness, preventing further loss and pain. The therapy may be effective for higher-risk patient populations with severe pain and narrow joint space.
Researchers discovered that bioelectricity plays a crucial role in developing embryos, specifically in the formation of cartilage and bone. The study found that voltage gated calcium channels initiate molecular changes that lead to differentiation into mature cartilage cells.
Researchers at Lehigh University have created a new biofabrication method that allows for the regeneration of multiple tissues, such as cartilage and bone, within a single scaffold. This breakthrough could potentially treat debilitating conditions like osteoarthritis, which affects approximately 27 million Americans.
A new study describes a 2-foot long shark with jaws capable of suction feeding, 50 million years older than the earliest evidence in bony fishes. The fossil, analyzed using CT imaging and modeling software, shows that ancient sharks responded quickly to ecological opportunities after major extinctions.
A new chip has been developed that can replicate the effects of osteoarthritis, allowing for the testing of pharmacological treatments. The chip uses mechanical stress to induce inflammation and degenerative processes, making it a more realistic model for disease development.
A recent study suggests that all-inside arthroscopic repair technique is more effective than non-operative management in treating posterior meniscal root tears in older patients. The study found a significant improvement in clinical outcome scores and lower rates of total knee surgery among those who underwent surgery.
Richtsmeier investigates the role of developmental processes in morphological variation, using mouse models to study craniofacial growth patterns and the influence of genetic variants on disease phenotypes. Her current research focuses on the chondrocranium, the first skull to form during embryonic development.
A recent study found early signs of cartilage breakdown in mice exposed to microgravity for 30 days. The researchers theorize that the lack of gravity's biomechanical forces leads to joint unloading, causing cartilage degradation. This could have significant implications for future astronauts on long-term space missions.
A new study from Thomas Jefferson University reveals that decreased oxygen supply to tendons leads to a loss of flexibility and an increase in fibrocartilage-like cells. This knowledge could help develop better treatments for tendinosis and regrow damaged tissue, which is common in older individuals.
Scientists use tiny needles and electric current to reshape cartilage without cutting or suturing. By electrolyzing water in the tissue, they reduce charge density and make the cartilage more malleable, allowing for precise shaping.
Researchers found that exercise prevents cartilage degradation by suppressing inflammatory molecules in joints. The study also discovered that a specific protein called HDAC6 plays a crucial role in this process.
Researchers at University of Freiburg discover that reducing cell number in MSC clusters activates intrinsic differentiation program, prompting cartilage cell formation. Cell membrane proteins Caveolin-1 and N-Cadherin play key role in chondrogenic differentiation.
Researchers created a damage-resistant rechargeable zinc battery with a cartilage-like solid electrolyte, extending flight time by 5 to 25 percent in drones. The batteries can withstand hard impacts and stabbing without losing voltage or starting a fire.
Researcher Jenny Robinson studies estrogen's potential to protect menisci and regenerate damaged tissue, aiming to develop targeted therapies. The goal is to create an off-the-shelf material that could be implanted into the knee to promote repair and inhibit further degeneration.