Articles tagged with Cartilage
A recent study by Florida Atlantic University reveals that younger sharks have stiffer and tougher cartilage skeletons, contrary to the assumption that adults would be stronger. The research found that cartilage from younger sharks has fewer interruptions in its mineral matrix, allowing it to absorb more energy and resist compression.
Biofabricated tissues with micropores allow for efficient nutrient and oxygen diffusion, enabling the growth of larger tissue samples. The novel approach uses stem cells derived from human fat and sodium alginate porogens to create porous tissue strands that can be implanted in bone or cartilage defects.
Chondral defects are common, with slow self-healing properties of articular cartilage limiting treatment effectiveness. Cartilage tissue engineering offers new hope for patients, using various scaffold materials and preparation techniques to treat chondral defects.
A charged molecule, called a dendrimer, is designed to deliver osteoarthritis drugs to knee joint cartilage. The nanocarrier effectively binds to cartilage tissue, allowing for deeper penetration and longer half-life in joint spaces.
MIT engineers have designed a material that can administer drugs directly to the cartilage, delivering IGF-1 and stimulating cell growth and production of proteoglycans. The treatment has shown promising results in animal studies, preventing cartilage breakdown and reducing joint inflammation.
Researchers at EPFL have developed a biocompatible hydrogel that naturally adheres to cartilage and the meniscus, eliminating the need for special membranes and sutures. The composite double-network hydrogel has shown superior adhesive properties and is poised to revolutionize treatment for soft tissue injuries.
Researchers developed a combinatorial gene therapy approach that inhibits inflammation and promotes pro-anabolic cartilage genes, preserving articular cartilage better than each approach alone. This strategy was shown to be effective in both moderate and severe post-traumatic osteoarthritis models.
A new questionnaire assesses patient satisfaction after aesthetic chondrolaryngoplasty, a procedure reducing the masculine appearance of the Adams apple. Sixty percent of patients were 'very' or 'completely' satisfied with the results.
Researchers discovered that articular cartilage degenerates specifically around injury areas due to excessive fluid flow velocity, potentially leading to osteoarthritis. The novel mechanobiological model can predict osteoarthritis in personal medicine and suggest optimal rehabilitation protocols.
Researchers developed an arthroscopic near infrared spectroscopic probe to evaluate articular cartilage and subchondral bone structure and composition. This technique provides comprehensive information on joint tissue health, enhancing the treatment outcome of arthroscopic intervention.
The discovery of the human skeletal stem cell could lead to treatments for regenerating bone and cartilage in people. The researchers created a family tree of stem cells important to the development and maintenance of the human skeleton.
ANP32A protein protects cartilage from oxidative stress, which contributes to osteoarthritis development. Antioxidant treatments like NAC may prevent further cartilage damage and reduce osteoarthritis symptoms.
Researchers identified unique cell populations in human joint cartilage, crucial for cushioning and often lost in arthritis. Stem cell-derived cartilage can be transplanted into arthritic rats to regenerate the superficial zone, potentially leading to better treatments.
A study of 221 patients found that increased synovitis led to cartilage damage over time. Individuals with synovitis may be at greater risk for cartilage damage, and further research on treatment could help advance treatment paradigms.
Researchers discovered that Fox genes play a crucial role in directing stem cells to form cartilage and teeth during facial development. The study found that mutations in these genes can cause diseases such as cancer and language disorders.
Researchers developed a cartilage matrix that mimics early stages of repair and provides necessary structural properties for bone-forming cells. The decellularized cartilage-based scaffold effectively directs chondrogenic differentiation and creates a fracture callus mimetic.
A new guide provides comprehensive overview of mechanical stimulation techniques for enhancing tissue-engineered articular cartilage. The review highlights the effects of various loading parameters on AC properties, including direct compression, hydrostatic pressure, shear, and tensile loading.
UCI-led researchers developed a groundbreaking tissue implant to treat temporomandibular joint dysfunction (TMJ) defects, successfully testing it in a large animal model. The innovative approach involves isolating cartilage cells from rib tissue and using them to engineer new jaw disc cartilage.
The Keck School of Medicine of USC has received $4 million in grants from the National Institutes of Health and US Department of Defense to support basic and pre-clinical research on osteoarthritis. Researchers hope to translate foundational knowledge into clinical therapies that can improve millions of lives.
Researchers at the University of Basel have developed a method to generate stable cartilage tissue from adult human mesenchymal stem cells by inhibiting specific signaling pathways. This breakthrough has significant implications for the treatment of joint diseases and injuries.
Researchers at Texas A&M University have discovered a new class of clay nanoparticles that can direct human stem cells to become bone or cartilage cells. These nanoparticles, similar to flaxseed in shape, can grow tissue from stem cells in the absence of growth factors.
A University of Kent physiotherapist contributed to updated international guidelines for managing meniscal and articular cartilage lesions. The guidelines include new recommendations for physical therapy management after knee cartilage surgery, aiming to improve patient outcomes and return to previous activities.
Babies' movement in the womb is crucial for developing strong bones and joints. Research has identified that cells receive incorrect molecular signals when movement is absent, leading to brittle bones or abnormal joints. Understanding this mechanism can lead to improved treatments for joint injuries and diseases.
Researchers found FOXO proteins maintain healthy cartilage and prevent joint degeneration. Targeting FoxO could develop new therapies to treat osteoarthritis.
Scientists at USC have discovered a new molecule, RCGD 423, that enhances cartilage regeneration and decreases inflammation. The molecule amplifies the body's natural signals to stimulate cartilage development while blocking inflammatory signals.
Researchers use a compound called amobarbital to protect joints from cartilage loss after injury, showing promise in preventing post-traumatic osteoarthritis. The study's findings suggest that targeting mitochondria after joint fractures could substantially improve quality of life for PTOA patients.
A new study found that weight loss through diet and exercise significantly slows down the degeneration of knee cartilage in obese individuals. However, weight loss achieved solely through exercise had no significant impact on cartilage degeneration, suggesting that a balanced approach involving diet is crucial for protecting the knees.
Researchers created a synthetic material that combines the strengths of Kevlar with polyvinyl alcohol to mimic natural cartilage's properties. The new material boasts the same mechanism as natural cartilage, releasing water under stress and recovering by absorbing it later.
Researchers developed a novel cartilage degeneration algorithm to predict the progression of osteoarthritis. The algorithm shows great potential in patient-specific progression prediction, and may facilitate clinical decision-making in treatment.
Researchers have identified a polysaccharide alginate from brown algae as a potential treatment for arthritis, slowing down cartilage degeneration and suppressing inflammatory reactions. Further research is needed to test the substance on animals and eventually humans.
Researchers discovered that microgravity inhibits cartilage formation, while cyclic hydrostatic pressure increases cartilage production. This finding has significant implications for regenerating cartilage in space travelers and patients on prolonged bed rest or paralyzed due to trauma.
Collagen in cartilage exhibits reversible changes in crystallinity in response to physical forces, affecting its resilience to compression. The findings may help explain why cartilage breaks down with aging or osteoarthritis, a leading cause of joint pain and immobility.
Recent developments in biofabrication can potentially regenerate cartilage and treat joint damage. Biofabrication allows for the generation of complex living structures using digital medical images as blueprints.
Researchers at UC Davis have successfully grown lab-grown tissue similar to natural cartilage, demonstrating its potential to treat joint disease. The new material exhibits similar composition and mechanical properties as native cartilage, showing great promise for implantation into damaged joints.
A new study from the University of Liverpool has identified common 'cell messages' that can help diagnose osteoarthritis in both humans and rats. The research also found that these messages are strongly associated with diseased cartilage, suggesting a potential breakthrough in early diagnosis and personalized treatment for OA.
A study published in JAMA found that steroid injections did not improve symptoms or reduce cartilage damage in patients with symptomatic knee osteoarthritis. The treatment resulted in significant cartilage volume loss, but no significant difference in knee pain compared to a placebo injection.
A recent study found that significant weight loss over a 48-month period can slow down knee joint cartilage degeneration. Patients who lost more than 10% of their body weight showed lower rates of cartilage degeneration compared to those with stable weight.
A team of researchers at the University of Gothenburg has developed a method to generate cartilage tissue by printing stem cells using a 3D-bioprinter. The resulting cartilage is extremely similar to human cartilage, with properties and structures identical to those found in natural cartilage.
Scientists rewired mouse stem cells using CRISPR to produce biologic anti-inflammatory drugs that protect joints and tissues from chronic inflammation. The engineered cells can sense TNF-alpha and release a protective drug to combat inflammation.
Researchers report that selectively removing old or 'senescent' cells from joints could prevent and even reverse the progression of osteoarthritis. The treatment promotes an environment for new cartilage to grow and repair joints, reducing pain and degradation in joint health.
A team of researchers at Duke University created a cartilage-mimicking material that can be 3D-printed to match the strength and elasticity of human cartilage, potentially easing damaged knees. The new material is custom-shaped to each patient's anatomy, providing improved shock absorption and reducing pain.
A study published in Scientific Reports found that a high-fat, high-carbohydrate diet rich in saturated fatty acids can weaken cartilage in joints, leading to osteoarthritis. The research suggests that diet may play a significant role in the onset of osteoarthritis, rather than wear and tear.
Professors Ateshian and Myers have made significant contributions to the fields of cartilage mechanics and soft tissue biomechanics. Ateshian's work focuses on developing better modalities for osteoarthritis treatment, while Myers studies the mechanics of the uterus and cervix to prevent premature births.
Researchers at the University of Birmingham identified two types of synovial fibroblast cells responsible for cartilage damage in RA patients. The study suggests targeting these cell processes could lead to more effective and manageable treatments.
Researchers reveal that cartilage has a more complicated zonal organization than previously thought, with at least six identifiable zones. This discovery could help scientists develop better engineered cartilage materials to treat joint disorders.
A phase 1 study using cells from the nasal septum to repair damaged knee cartilage showed substantial improvements in pain and knee function in 9 of 10 patients two years post operation. However, further studies are needed to assess efficacy and establish its routine clinical use.
New fossil discovery in China reveals that the jaw bones of modern humans and bony fishes are linked to the ancient armoured fish placoderms. The findings provide a significant clue on how our jaws evolved, suggesting substantial parts of human anatomy can be traced back to these early creatures.
The study aims to examine the biochemical and biomechanical bases for osteoarthritis development after ACL surgery. Researchers plan to analyze gait mechanics, electromyography, qMRI, and finite element modeling to understand knee unloading and cartilage stress distribution.
Researchers at Columbia University Irving Medical Center have identified stem cells in the temporomandibular joint that can generate cartilage and bone. The discovery suggests a potential new approach to repairing damaged joints, particularly for patients with TMJ disorders.
Researchers detected high concentrations of mercury and β-N-methylamino-L-alanine (BMAA) in shark fins and muscles, linked to neurodegenerative diseases like Alzheimer's. Restricting shark consumption may protect human health and shark populations threatened with extinction.
A research team at the Krembil Research Institute has discovered two tissue biomarkers that directly contribute to harmful joint degeneration associated with spine osteoarthritis. Elevated levels of these biomarkers cause inflammation, cartilage destruction, and collagen depletion.
Diane Wagner's study aims to strengthen damaged cartilage using photo-initiated crosslinking, targeting only injured areas without affecting healthy tissue. The goal is a new, non-invasive treatment for post-traumatic osteoarthritis, which affects over 5 million people in the US.
Researchers have developed a technique to program stem cells to grow new cartilage on a 3-D template shaped like the ball of a hip joint. The cartilage can release anti-inflammatory molecules to fend off arthritis. The discovery may provide an alternative to hip-replacement surgery, particularly in younger patients.
Researchers used radiocarbon dating to find that human cartilage is an essentially permanent tissue in healthy and osteoarthritic adults alike, which may explain limited success of cartilage transplant therapy for osteoarthritis.
A new study from the University of Eastern Finland has developed a computational model that can predict the onset and progression of knee osteoarthritis in overweight people. The model analyzes the degradation of the collagen fibril network in articular cartilage and simulates the effect of various loadings on cartilage cells.
A team of engineers has created a method to produce cartilage from strands of bioink using 3D printing. This breakthrough could lead to the creation of cartilage patches for worn-out joints, with potential applications in treating osteoarthritis.
Researchers aim to create non-destructive tools to monitor and assess implantable cartilage, improving the quality of tissue and reducing variability caused by human cells. The center will serve as a resource for academic and industrial labs, disseminating findings and providing training.
Recent studies have identified biomarkers associated with cartilage degradation and new genes linked to osteoarthritis (OA) development. Researchers used a non-invasive mouse model of post-traumatic osteoarthritis (PTOA) to analyze whole-joint gene expression, providing insights into the disease's progression.
A novel technique called external stenting (ES) has been developed to relieve airway obstruction in children. The procedure involves suspending the airway wall to a rigid prosthesis, allowing for growth and stability. Long-term outcomes show high survival rates and successful weaning from ventilators.
Stem cells can be stimulated to produce special cartilage that aids in repairing severely broken bones. Cartilage production helps bridge larger gaps and even transforms into bone throughout the lesion.