Articles tagged with Cartilage
Researchers identify key molecular mechanisms, cell populations and developmental stages of human articular cartilage cells. This breakthrough study provides a new cell source and biological roadmap for therapies to repair cartilage defects and damage from osteoarthritis.
Researchers at IDIBELL have identified a key component of the complement system that plays a major role in rejecting xenotransplanted porcine chondrocytes. Inhibiting this component, C5, protects cartilage tissue from rejection and inflammation.
A new USC study found that the protein Lkb1 promotes orderly skeletal growth and prevents skeletal tumors by controlling the progression of immature cartilage cells. This discovery sheds light on how this protein helps keep people organized, with implications for understanding human diseases such as cancer and diabetes.
Researchers at Kyoto University successfully induced direct conversion of human dermal fibroblasts into induced chondrogenic cells, displaying the gene pattern of chondrocytes. Transplanted cells generated hyaline cartilage tissue in immunodeficient mice without forming tumors.
EPFL scientists have created a hydrogel that promotes cartilage regeneration by delivering therapeutic drugs in response to mechanical stimulation. This method has the potential to revolutionize the treatment of joint injuries and degenerative conditions such as arthritis.
A study led by University of East Anglia found that sulforaphane in broccoli slows down cartilage destruction and osteoarthritis. Researchers hope to replicate the effect in humans through a small-scale trial.
Researchers at National University of Mexico found that prolactin can prevent chondrocyte death and associated cartilage degradation in rheumatoid arthritis models. Prolactin treatment reduced inflammation, bone erosion, joint swelling, and pain in rat models.
Researchers at RI Hospital found that the absence of Shp-2 enzyme near specialized cartilage cells can lead to multiple benign cartilage tumors in mice. These tumors can become malignant in humans and are a rare condition known as metachondromatosis.
A new knee cartilage repair technique, De Novo NT Natural Tissue Graft, has shown promising results in treating articular cartilage lesions. Patients who underwent the procedure experienced significant improvements in symptom assessment and MRI images at two years of follow-up.
Scientists have discovered that cartilage cells have a functioning body clock that can be reset by imposing an artificial rhythm, which could lead to new treatments for osteoarthritis. The research found that older mice had weaker body clocks, and that resetting the clock may alleviate symptoms.
A recent study from the University of Pennsylvania has made a significant breakthrough in developing new therapies to replace cartilage tissue. Researchers have found that mimicking cadherin interactions can trick adult stem cells into producing better cartilage, offering a promising alternative to current surgical options.
Scientists at Johns Hopkins Medicine discovered that blocking critical bone regulation protein halts OA progression in mice, suggesting a new therapeutic approach to joint replacement surgery. The theory proposes that initial harm to cartilage causes excessive bone growth, leading to disease exacerbation.
A study published in Biomacromolecules has identified a blend of natural fibers like cellulose and silk as a potential scaffold for stem cells to form into chondrocytes, the cells that produce healthy cartilage. The blend provides complex chemical and mechanical cues that induce stem cell differentiation without the need for expensive ...
A team of researchers has developed a new synthetic polymer supplement that mimics natural synovial fluid, providing superior lubrication and reducing wear on cartilage surfaces. The biopolymer remains in the joint for more than two weeks, unlike current treatments which last only one or two days.
Scientists at Princeton University have created a fully functional ear that can 'hear' radio frequencies far beyond human capability, merging electronics with tissue through 3D printing. The bionic ear uses a coiled antenna inside a cartilage structure to sense sound and connect to electrodes.
A novel thermo-sensitive injectable hydrogel engineered with gene modified bone marrow mesenchymal stromal cells (BMSCs) successfully repairs articular cartilage defects in rabbits. The study demonstrates the potential of tissue engineering combined with gene therapy for managing defective articular cartilage.
Researchers used atomic force microscopy to measure the mechanical properties of single cells in articular cartilage. They found that vimentin protein plays a key role in maintaining cell integrity, and that adult tissue has higher mechanical properties than young or old tissue.
Researchers at MIT have found that the molecular structure of aggrecans in cartilage makes it more susceptible to damage from physical activities like running or jumping. This discovery could help develop tests to diagnose arthritis earlier and guide engineers in designing replacement cartilage.
Researchers discovered how nanoscale biomechanical properties of cartilage change at the earliest stages of osteoarthritis, making it more prone to damage from physical activity. GAG depletion affects cartilage stiffness and fluid flow, increasing vulnerability to high-rate activities like running and jumping.
A study of 38 military patients treated with allograft osteoarticular transplants (OATS) found that only 28.9% returned to full duty, while 5.3% regained pre-injury level of activity. Cartilage injuries remain a challenge for high-demand athletes.
A naturally occurring protein called lubricin appears to protect against osteoarthritis, a common condition affecting over 70% of the population between 55-77 years old. Researchers found that mice with higher levels of lubricin did not develop traumatic or injury-induced osteoarthritis.
A new technique for reconstructing the nose after skin cancer has been developed at Michigan Medicine, offering a more efficient and effective solution. The procedure eliminates the need for a skin flap, reducing the risk of complications and allowing patients to achieve good cosmetic results without undergoing a second surgery.
Researchers at Weill Cornell Medical College and Cornell University have developed bioengineered ears that can grow cartilage over a three-month period. The study's breakthrough could provide a new solution for children born with congenital ear deformities, as well as individuals who have lost part or all of their external ear.
Bioengineered ears created by Cornell researchers use 3D printing and injectable gels made of living cells to resemble natural ears. The flexible ears can grow cartilage over a three-month period, providing a potential solution for reconstructive surgeons.
Researchers at UCSB developed a new, low-cost method to detect the critical feature of 'stick-slip' friction in cartilage pads, which is more likely to cause wear and damage. This finding has potential for early detection and monitoring of osteoarthritis.
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.
Researchers found that both high and low levels of physical activity can lead to accelerated degeneration of knee cartilage in middle-aged adults. The study suggests that finding an optimal level of physical activity may help preserve cartilage health.
A novel hybrid printer combines two low-cost fabrication techniques to create cartilage constructs with improved mechanical stability. The printer uses a combination of synthetic and natural materials, allowing for the growth of cells and development of structures typical of elastic cartilage.
Researchers developed reverse dynamization, which accelerates healing of large segmental bone defects by varying stiffness levels. This approach showed promising results in rat models, with improved bone mineral content and mechanical strength compared to traditional methods.
Researchers successfully grew and sorted induced pluripotent stem cells for use in cartilage repair and studying osteoarthritis. The breakthrough uses adult stem cells converted into embryonic-like stem cells to produce cartilage tissue.
Researchers discovered regenerated lizard tails have distinct features, including a single cartilaginous rod and elongated muscle fibers. The new tail lacks vertebrae and interlocking joints, reducing flexibility compared to the original.
Researchers at Linköping University have discovered two 'pleiotropic' genes influencing comb size, bone growth and egg production in domestic chickens. The study reveals the genetic basis for the correlation between comb size and increased egg-laying.
New research reveals that fat-derived stem cells secrete VEGF and other factors that inhibit cartilage regeneration. Pre-treating the cells with antibodies against VEGF can neutralize these effects, promoting chondrocyte survival and cartilage repair.
A Cleveland Clinic research team has developed virtual models of human knee joints to study how tissues and cells respond to heavy loads. The simulations reveal that cartilage cells experience amplified deformations compared to larger scales, with a significant impact on their deformation patterns.
Researchers used tiny artificial fiber scaffolds to help develop cartilage in laboratory and animal models. The use of nanofiber scaffolds improved tissue development and repair, producing more durable type 2 collagen, which is usually lacking in surgically repaired cartilage tissue.
Researchers found that pre-injury levels of four biomarkers were associated with an increased likelihood of ACL injury, with one biomarker linked to a 19-fold risk increase.
A new study confirms platelet-rich plasma (PRP) therapy as a safe option for treating cartilage tears in athletes, with patients experiencing significant improvement in pain and basic function. The research involved 180 patients who received either PRP or viscosupplementation treatment, with all patients showing no complications.
Researchers at Brown University have discovered that the stiffness, viscosity, and other mechanical properties of adult stem cells can foretell what they will become, enabling a filter to extract needed cells from larger tissue samples. This breakthrough could lead to better healing outcomes in tissue engineering.
Researchers at Queen Mary University of London have identified primary cilia as a crucial regulator of inflammation. The discovery could lead to novel therapies for millions suffering from arthritis and other inflammatory conditions.
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.
Cartilage transplant tissue can now be stored for up to 63 days, compared to 28 days previously, using a new method developed by researchers at the University of Missouri. This increase in storage time is expected to greatly improve the success rate of joint grafting procedures.
Researchers from IDIBELL have discovered that human NK cells play a crucial role in rejecting porcine chondrocytes. By understanding this process, they aim to develop a method to reduce rejection and enable successful xenotransplantation of pig cartilage cells.
Researchers at UCSF Orthopaedic Trauma Institute have found a promising method to regenerate bone using cartilage grafts, which can integrate with the host bone and vascularize it. This approach could offer an alternative to traditional bone grafting techniques, which can result in poor integration and osteonecrosis.
Scientists have identified over 100 new cases of AKU, a rare genetic disease causing osteoarthritis, in communities worldwide. The condition is more prevalent than previously thought and affects one in 250,000 people.
Researchers at Hospital for Special Surgery found that the OATS procedure provides a higher return to sport and longer lasting results compared to microfracture. The study showed that patients who underwent OATS had improved Marx activity levels, indicating they could perform more sports and athletic activities.
Henry Ford Hospital researchers have identified two molecules that hold promise as a biomarker for measuring cartilage damage associated with osteoarthritis. Non-coding RNAs in blood were found to be associated with mild cartilage damage in patients one year after ACL reconstruction surgery.
Researchers at Case Western Reserve University developed a method to engineer cartilage replacements using mesenchymal stem cells and tiny beads filled with growth factor. The new approach showed promising results in creating thicker, stiffer cartilage than previous methods.
A new supplement of Cartilage, published by SAGE, examines the effects of articular cartilage injury and degeneration in soccer players. The supplement provides a comprehensive overview of current knowledge on cartilage injury, prevention strategies, and treatment options.
Researchers at URMC discover that a medication already approved to build bone mass in patients with osteoporosis can also increase cartilage around joints, potentially treating millions suffering from arthritis. The study suggests that the drug could be repurposed as an alternative to current treatments.
Researchers have found that short-term glucocorticoid treatment can reduce degenerative changes in cartilage and prevent osteoarthritis after joint injury. This innovative approach may provide hope for preventing irreversible joint damage.
Researchers at NYU Langone Medical Center have developed advanced MRI techniques that can detect subtle changes in joint cartilage microstructure, allowing for early diagnosis of osteoarthritis. These techniques enable physicians to shift the management of the disease from eventual joint reconstruction to long-term preservation.
A recent study found a possible gender link in knee injuries, with females showing a higher rate of full-thickness articular cartilage lesions after ACL injuries. The research suggests that gender may be a significant risk factor for these types of injuries, along with age and time between injury and surgery.
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 study of 26 young patients with articular cartilage knee defects found that microfracture surgery improved knee function and allowed for a normal activity level following rehabilitation. The procedure showed promising results in treating these debilitating injuries.
Researchers view the knee as a complex organ to develop more effective treatments for osteoarthritis. The exhibit explores degenerative knee arthritis as a failure of multiple tissue systems.
Research by Jennifer Schmidt and Lennart Olsson reveals that the gene FOXN3 influences the development of cranial cartilages and muscles in frogs, contributing to their evolutionary success. The study found that tadpoles without intact FOXN3 genes develop more slowly and experience deformations and loss of functions.
Scientists discover a pro-survival mechanism in skin cancer cells, which may lead to new therapeutic targets. Researchers also develop a method to generate hyaline cartilage using adult skin cells.
Researchers successfully transformed adult mouse skin cells into cartilage-producing cells, paving the way for potential therapy to repair cartilage injuries. The innovative method involves expressing proteins that induce pluripotency and promoting chondrocyte fate in fibroblasts from human skin.
Researchers from Arizona State University are studying Anolis lizards to understand their ability to regenerate tissues, with potential applications in treating human osteoarthritis and spinal cord injuries. The team is using molecular methods and the lizard's genome sequence to identify key genes involved in regeneration.
A study found that light exercise can delay the onset of osteoarthritis by protecting healthy knee cartilage. Engaging in low-impact activities like walking or swimming may be beneficial in maintaining healthy joints.