Articles tagged with Cartilage
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Researchers discovered subtypes of chondrocytes that transform into bone-building cells, regulating bone growth and vascularization. The study found that these cells secrete Thbs4 to induce blood vessel formation, shedding insights for treating defective angiogenesis.
A new study demonstrates the potential to produce cellular spheroids from clinically relevant embryonic stem cells to generate scaffold-free chondrogenic or osteochondrogenic graft tissues. The researchers successfully cultured ES-MSC cellular spheroids, which matured into neocartilage tissues expressing cartilage-associated genes.
A study found mild structural changes in knee MRI scans are common among adults in their thirties without knee pain or other symptoms. The most common factor associated with these changes was a high body mass index.
Queen Mary University of London has launched a new regenerative medicine spinout, ReFleks, which aims to repair osteochondral defects and prevent osteoarthritis. The innovative treatment uses Agrin to block cartilage degradation and form new cartilage faster, providing a cheaper and easier alternative to existing approaches.
A new study suggests that ACLR patients have a higher riding patella, shifting load-bearing areas and potentially contributing to osteoarthritis. This finding is observed in both the injured knee and the uninjured contralateral knee.
Researchers have developed a method to repair complex knee injuries using cartilage implants made from nasal septum cells. The study shows that longer maturation periods of the implant lead to better clinical efficacy and tissue composition.
A new study by Johns Hopkins University suggests that jumping workouts could be a preventative measure for cartilage damage in long space journeys. Mice subjected to reduced movement experienced cartilage thinning, while those performing jump training showed thicker, healthier cartilage.
A USC Stem Cell study found that the mammalian outer ear evolved from cartilaginous gills in fishes and marine invertebrates. The research used gene control elements to show a connection between gill and ear development.
Researchers have developed a new diagnostic test that uses two markers found in the synovial fluid of patients' joints to differentiate osteoarthritis from inflammatory arthritis. The algorithm, based on the ratio of cartilage oligomeric matrix protein and interleukin-8, has been validated with high accuracy.
A team of researchers at Penn State developed a novel bioprinting technique that uses spheroids to create complex tissue, producing tissue 10-times faster and with high cell density. The technique enables the rapid fabrication of functional tissues and organs, opening new opportunities for regenerative medicine.
Researchers mapped all cells and pathways involved in early skeletal development, shedding light on arthritis and skull growth conditions. The study identifies genetic mutations disrupting soft spots in the skull, potentially leading to congenital conditions.
Researchers developed a novel method to enhance the efficacy of MSC-based therapy for articular cartilage repair by adding ascorbic acid during MSC expansion. The addition improved chondrogenic differentiation, reduced cell heterogeneity, and showed a robust shift in metabolic profile.
A recent study published in Knee Surgery, Sports Traumatology, Arthroscopy found that children who undergo surgery for discoid lateral meniscus are at higher risk of developing further knee injuries with age. Younger patients were particularly prone to relapse after surgery.
Researchers developed a bioactive material that successfully regenerated high-quality cartilage in animal models, promoting enhanced repair and growth of new cartilage containing natural biopolymers. The material's effectiveness was tested in sheep with cartilage defects, showing promising results for potential use in humans.
Scientists have developed a new way to 3D print materials that are strong enough to support human tissue and vary in shape and size. The breakthrough, known as CLEAR, helps pave the way toward a new generation of biomaterials for personalized implants and tissues.
Researchers developed an injectable therapy harnessing fast-moving 'dancing molecules' to repair damaged human cartilage cells. The treatment activated gene expression necessary for cartilage regeneration within four hours, and human cells produced protein components needed for cartilage growth after just three days.
Researchers develop mechanobiomaterials inspired by biomechanics to modulate biological responses with material-tissue mechanical interactions. This approach aims to create biomaterials that can adapt to changing mechanical environments in vivo, enhancing the body's regenerative potential and repairing various tissues.
A study by Baylor College of Medicine reveals the molecular events leading to osteogenesis imperfecta type V, a form of brittle bone disease caused by an IFITM5 mutation. The mutation disrupts normal bone stem cell development, leading to extremely brittle bones and recurrent fractures.
Dr. Melissa Grunlan's team creates regenerative osteochondral plugs, a potential off-the-shelf device to treat OCDs and avoid total knee replacement surgery. The technology offers an alternative to autografting or total knee replacement, providing immediate support for joint function and potentially reducing post-operative complications.
Jos Malda receives ERC grant to crack cartilage code and create regenerative treatments. By studying cartilage 'organ-on-a-chip' models and animal cartilages, researchers aim to recreate the intricate internal structure of cartilage.
Researchers at the University of Montana have found a novel method to generate human cartilage using neural crest cells. This breakthrough could lead to effective treatments for repairing craniofacial cartilage damage and improving the lives of 230,000 children born annually with craniofacial defects.
Researchers at Weill Cornell Medicine have developed a novel method to create grafts that accurately replicate the human ear's anatomy and biomechanical properties. The new technique uses 3D printing and tissue engineering to produce cartilage-containing structures that mimic the ear's shape, flexibility, and elasticity.
Researchers discovered a new type of stem cell that can regenerate cartilage in arthritic mice, offering potential for treating osteoarthritis. The stem cells, derived from human pluripotent stem cells, were found to efficiently generate new cartilage when transplanted into the knees of OA mice.
A new study aims to develop a treatment for osteoarthritis by regenerating cartilage using nasal cartilage tissue. The method has already shown promising results in smaller studies, with the goal of providing an alternative to prostheses and improving patient outcomes.
Researchers at TU Wien create artificial cartilage tissue by colonizing porous plastic spheres with cells, achieving seamless integration and uniform structure. The novel technique has potential for medical applications, including replacing injured cartilage.
A pair of proteins YAP and TAZ have been identified as conductors of bone development in the womb. They help direct blood vessel integration into cartilage, a vital aspect of bone development, and may provide insight into genetic diseases such as osteogenesis imperfecta.
This study found that SIRT6 activation improves DNA damage repair efficiency and reduces baseline DNA damage in chondrocytes from older donors. MDL-800 treatment also lowered p16 promoter activity and decreased DNA damage in murine cartilage explants, supporting the concept of SIRT6 as a critical regulator of DNA repair.
The University of Basel has successfully treated over 100 patients with focal lesions and two advanced cases of knee OA, reporting beneficial outcomes. The N-TEC procedure uses autologous cartilage cells to grow new cartilage grafts for repairing damaged joints, offering an alternative to knee joint replacements.
Researchers at the University of Adelaide have discovered a novel population of stem cells responsible for osteoarthritis progression. Treatment with fibroblast growth factor 18 (FGF18) stimulated cartilage recovery and reduced osteoarthritis, offering a potential pharmaceutical treatment to address the disease.
A study has identified genetic markers that can predict whether rheumatoid arthritis will improve or worsen during pregnancy. These markers were found in white blood cells and genes related to B cells, and may help women plan their treatment and avoid unnecessary medication exposure.
A team of researchers from Keck School of Medicine of USC identified key cells involved in lizard cartilage regeneration and discovered their role in rebuilding cartilage damaged by osteoarthritis. They successfully induced cartilage building in a lizard limb by recreating a tail-like signaling environment.
Researchers have made significant progress in understanding osteoarthritis, linking degradation of articular cartilage to inflammatory and metabolic processes. Elevated levels of the protein c-Fos are found in human and mouse cartilage samples with OA, suggesting a new target for therapy.
The technique has the potential to overcome major shortcomings associated with conventional bioprinting, allowing real-time wound treatment and immediate anastomosis with native tissue. However, challenges remain, including integration with surrounding tissues and limited access to defect sites in articular joints.
Researchers at UBC develop biodegradable gel that mimics articular cartilage properties, allowing for faster and more efficient cartilage regeneration. The gel's ability to resist compression and recover its shape after compression makes it a promising material for joint injury repair.
A novel study found that honokiol promotes healing of rotator cuff injury and may be an effective treatment for humans. The study suggests that SIRT3 activation plays a protective role in alleviating aging-induced fibrocartilage degeneration and promoting rotator cuff healing.
Researchers created a promising injectable cell therapy that reduces inflammation and regenerates articular cartilage in osteoarthritis patients. The treatment was tested in a pre-clinical model and showed ability to reverse cartilage damage and diminish inflammation.
Researchers have identified 145 potential height genes linked to skeletal disorders and growth plate maturation. The study found that genetic changes affecting cartilage cell maturation may strongly influence adult height.
Research explores how hyaluronic acid's molecular weight affects the joint lubricant in osteoarthritis. The study found that low molecular weight hyaluronic acid hinders the formation of an amorphous film, leading to increased wear on the cartilage surface.
A USC-led team of scientists identified the key gene Nr5a2, essential for opening up genome regions that enable neural crest cells to form tendons and salivary glands. Zebrafish and mice lacking this gene exhibited skeletal and tendon defects, as well as failed salivary gland development.
A study reports successful nonsurgical correction of congenital ear malformations in infants using a custom-made splint made from paper clips. The best results were achieved when treatment was initiated before six months of age.
A new numerical model has been developed to predict cartilage degeneration after injury, revealing mechanisms of cell death and inflammation. The model suggests that mitigation of inflammation can lead to partial recovery of cartilage composition, opening avenues for potential therapeutic targets.
A new study found that increased extracellular matrix stiffness leads to a decrease in the longevity protein Klotho in knee cartilage, damaging chondrocytes. Conversely, softer extracellular matrices restored healthy cartilage states in aged cells.
A team of scientists from TIBI, UIC, and POSTECH has elucidated key points on how cartilage generation is facilitated and alternative bone formation can be avoided. They found optimal conditions for better cartilage regeneration while reducing excessive cartilage formation using human mesenchymal stem cells.
Researchers at The Forsyth Institute have made two breakthrough discoveries that could lead to new treatments for cartilage injuries and degeneration. They found that β-catenin, a multifaceted protein, plays a role in skeletal cell fate determination and ectopic chondrogenesis.
Researchers found that activating RORbeta could restore healthy cartilage levels, helping to control inflammation and prevent osteoarthritis. This discovery presents a potential new strategy to address the root cause of cartilage damage.
Researchers developed assistive devices to streamline ear reconstruction surgery, minimizing tissue waste and operating time. The tools use 3D manufacturing to precision-cut rib cartilage, enabling a faster, more accurate process with better outcomes.
Researchers at Duke University have created a lab-made cartilage substitute that is stronger and more durable than natural cartilage. The hydrogel material can withstand even more stress from pulling and squishing, with improved strength and durability compared to previous methods.
A new biohybrid composite material demonstrates improved elasticity and fracture energy compared to existing zwitterionic materials, making it suitable for regenerative medicine applications. The material's biocompatibility allows it to recruit cells and support tissue regeneration.
Researchers from Tokyo University of Science discovered that bony fish head cartilage contains abundant proteoglycans, including aggrecan, with similar CS structures to salmon nasal cartilage. This finding reveals the potential of sturgeon as an alternative source of CSPGs for health food formulations.
Researchers have developed a computational model to understand the regulation of proteins by chondrocytes, which may help find new treatments for osteoarthritis. The model takes into account both synthesis and degradation processes, allowing for more accurate predictions of treatment results.
Researchers have discovered that treating bone marrow stem cells with GREM1 protein can suppress hypertrophic differentiation and slow down matrix degradation in engineered cartilage tissue. This approach has potential for developing viable cartilage tissues, but may not completely eliminate degeneration.
A team of researchers from Osaka University and Kyoto University developed a stem cell-based biomaterial, hiPS-Cart, to treat IVD degeneration and prevent further deterioration. The biomaterial was able to survive and maintain its functionality in lab rats with NP removal, reversing IVF and vertebral bone degeneration.
Researchers led by Joan Richtsmeier are exploring the development of the lower jaw, focusing on Meckel's cartilage and its role in mandibular growth. The study aims to understand how mid-portion of Meckel's cartilage influences mandibular length, mineralization, and disappearance.
Researchers at RIT have created a biophysical model that can predict changes in cartilage mechanics and function during disease pathways. The model, informed by experimental data, enables noninvasive predictions using MRI scans, potentially reducing the need for invasive procedures.
Researchers have developed a protein-based gel that can deliver anti-inflammatory growth factor progranulin to affected joints, halting post-traumatic osteoarthritis (PTOA) onset and progression. The study found that the gel provides prolonged release of progranulin and inhibits chondrocyte catabolism.
Researchers discovered that the IL-6 family of proteins is required for maintaining and regenerating cartilage in joints and growth plates. The study found that blocking this gene could lead to severe cartilage and skeletal changes, particularly in females.
Researchers develop ice-inspired lubricant that enhances lubrication and reduces friction and inflammation in a rat model of osteoarthritis. The treatment, which uses microfluidic technology to create drug-loaded particles, shows promise as a potential solution for joint pain and degeneration.
Regrowing healthy cartilage in damaged joints is a promising approach to treating arthritis. UConn bioengineers successfully regrowed cartilage in a rabbit's knee using piezoelectricity, a phenomenon that also exists in the human body.
Researchers at Washington State University discovered that combining gallic acid with stretching decreases inflammation markers and improves protein production in arthritic cartilage cells. This finding suggests a potential new procedure for treating osteoarthritis by growing healthy cartilage tissue.
Researchers at Keck School of Medicine of USC have developed a stem cell-based bio-implant to repair cartilage and delay joint degeneration. The Plurocart implant successfully integrates into damaged articular cartilage tissue and survives for up to six months.