Articles tagged with Cartilage
A USC study shows how skeletal stem cells form the blueprint of the human face by regulating cartilage and bone growth. The research identified two critical signaling pathways, Jagged-Notch and Endothelin1 (Edn1), which control when stem cells transform into facial cartilage.
Research from Lund University found that cartilage protein COMP is linked to breast cancer development and metastasis. Women with high levels of COMP experienced increased mortality rates, suggesting the protein may serve as an indicator of aggressive breast cancer.
A new computational modelling method developed by the University of Eastern Finland uses MRI data to assess the patient-specific progression of osteoarthritis in the knee joint. The study found significant degeneration in overweight individuals, with healthy cartilage thickness remaining unchanged over a four-year period.
Researchers have successfully printed living cartilage tissue using 3D bioprinting and human cells, paving the way for precision implants to heal damaged joints, noses and ears. The technology uses a bioink containing human cells and polysaccharides from algae or wood, allowing for precise architecture and cell production.
A study of 413 patients with symptomatic knee osteoarthritis found that vitamin D supplementation did not slow cartilage loss or reduce knee pain over 2 years. Vitamin D levels increased, but no significant benefits were seen.
Two studies at Hospital for Special Surgery found that cartilage restoration procedures relieve pain and improve function in patients with articular cartilage damage. The procedures using different types of cartilage plugs showed a high degree of satisfaction among patients.
Researchers at the University of Missouri have developed a new biological technique for hip joint replacement that uses larger, size-matched grafts with beveled edges to provide longer-lasting repair. The study shows that these larger grafts maintain joint viability and structural integrity throughout the six-month study period.
Researchers found that damage to cartilage's collagen network and increased fluid flow are early indicators of osteoarthritis. The study suggests that understanding these structural changes could lead to earlier detection and better treatment of the disease.
A study published at the Radiological Society of North America meeting found that ultra-distance running causes significant degradation in knee and ankle cartilage, but also enables its regeneration. The researchers used a mobile MRI scanner to track 44 runners over 64 days, revealing no distance limit for joint cartilage damage.
A new MRI study reveals that substantial weight loss can protect against knee cartilage degeneration and reduce the risk of osteoarthritis. The study found that patients who lost more than 10% of their body weight showed slower cartilage degeneration compared to those who did not lose weight.
Researchers at Queen Mary University of London have found that arthritic cartilage can be treated by a patient's own microvesicles, which can travel into cartilage cells and deliver therapeutic agents. The study suggests that these microvesicles could be a novel form of therapy for patients with cartilage damage due to various diseases.
Researchers at Cornell University discovered that lubricin helps anchor HA at the tissue surface, improving its effectiveness. A new derivative of HA, HYADD4, has been approved for clinical use and is expected to be marketed as Hymovis.
Researchers identified Irx genes' role in protecting joint cartilage cells, promoting flexibility by repressing stiffening genes. The study suggests harnessing these genes to encourage stem cell differentiation into new joint cartilage.
Engineers at MIT developed a synthetic hydrogel that is 90 percent water and has a toughness comparable to the bond between tendon and cartilage on bone. The hydrogel can adhere to surfaces like glass, silicon, and metal with high durability, making it suitable for protective coatings and biomedical devices.
Researchers have developed a low-cost pediatric rib cartilage model using 3D printing, allowing aspiring surgeons to practice auricular reconstruction. The models closely resemble real cartilage and offer the opportunity for individualized practice, potentially improving surgical outcomes.
Researchers at Case Western Reserve University and Harvard University are developing a microfactory to produce a formula for joint cartilage. The project aims to identify key cues that steer stem cell behavior towards cartilage production, with the ultimate goal of engineering functional tissue.
Studying kangaroo cartilage reveals how shoulder and knee joints behave differently, leading to improved treatments and better implants. The researchers identified the collagen network as a key factor in absorbing forces without damaging.
Doctors at Ohio State University Wexner Medical Center have successfully implanted lab-grown cartilage into a patient's knee, offering a potential long-term solution for patients with knee injuries. The implant is made from the patient's own cells and has shown promise in improving patient outcomes.
Lithium chloride has been shown to prevent cartilage degradation and loss of mechanical integrity associated with osteoarthritis. This breakthrough finding offers a novel potential treatment option for the devastating condition affecting over a third of people over 45 in the UK.
A study found that GPR40 deficiency leads to an aggravated OA phenotype characterized by higher cartilage breakdown and subchondral bone sclerosis. Activation of GPR40 protects joints from OA, providing new insights into innovative strategies for OA management.
A study published in Cell Reports reveals how Sox9 regulates cartilage production and its essential role in skeletal development. Researchers discovered that Sox9 binding to DNA controls gene expression, leading to the formation of chondrocytes and cartilage production.
Researchers have created a way to combine cells with a special scaffold to produce living tissue in the laboratory, overcame oxygen limitation problems for larger dimensions. The technology has potential applications in replacing diseased parts of the body and repairing severe joint damage.
Researchers identified IL-1β as a crucial factor in blood-induced cartilage damage. A new treatment targeting IL-1β may provide protection for cartilage after trauma or bleeding due to hemophilia, potentially reducing subsequent disability.
Researchers at the University of York have identified individual stem cells that can regenerate tissue, cartilage and bone, opening the way for improved treatment options for osteoarthritis. The discovery has the potential to develop targeted therapies for arthritis patients, making cell-based treatments less of a lottery.
A new study suggests that microgravity can be less damaging to cartilage than previously thought, thanks to the up-regulation of a key gene. Cartilage cells in space showed moderate changes but remained stable, offering hope for new treatments on Earth.
A new class of medications could prevent joint damage and provide relief to patients who don't respond to available treatments. The novel drug target, RPTPσ, inhibits the aggressive invasion of synoviocytes into joint cartilage by acting as an inhibitory signal.
Researchers at TUM developed a new combination of 3-D printed microfiber scaffolding and hydrogels to restore cartilage, showing elasticity and stiffness comparable to knee-joint tissue. The approach also has potential applications in breast reconstruction and heart tissue engineering.
A Loyola University Medical Center study found that among 205 cases of mesenchymal chondrosarcoma, more than half survived at least five years and 43 percent survived at least 10 years. Survival rates varied depending on tumor location, with axial tumors showing worse outcomes.
New research from the University of Missouri reveals that even small changes in menisci can hinder knee function, providing clues to understanding osteoarthritis. The study suggests repairing meniscal tears might be worthwhile to prevent osteoarthritis.
A University of Iowa team is working on a minimally invasive approach to repairing damaged cartilage and preventing osteoarthritis. They have created an injectable, bioactive hydrogel that encourages self-healing of cartilage damage.
Recent discoveries in inflammation, tissue engineering for cartilage repair, adolescent idiopathic scoliosis diagnosis and treatment, and osteochondral allograft transplantation are recognized. Awards honor scientists conducting outstanding clinical research to advance patient treatment.
Researchers at the University of Manchester developed a protocol to grow and transform embryonic stem cells into cartilage cells, which could be used to treat osteoarthritis. The study showed that cartilage formed from embryonic stem cells was partially repaired in rats and demonstrated healthy, functional tissue after 12 weeks.
Researchers have developed a scaffold-free method to generate hyaline cartilage from iPS cells, offering a promising alternative to traditional autologous chondrocyte transplantation. The new protocol avoids fibrous tissue formation and allows for the direct transplantation of chondrocytes with high purity.
Postmenopausal women with mild knee osteoarthritis saw improved patellar cartilage quality through high-impact jumping exercises. High-impact loading also enhanced physical function, including knee extensors strength and cardiorespiratory fitness.
Researchers at Duke University Medical Center have identified a link between gene mutations in the IDH gene and the formation of benign cartilage tumors that can evolve into cancerous chondrosarcomas. The study provides insights into the potential development of new treatments using drugs designed to block IDH function.
A new study uses a fluorescent probe to track osteoarthritis development in male mice, providing insights into early detection and monitoring of the disease. The findings show that the probe emits a brighter signal in injured knees as the disease progresses.
A team of researchers used MakerBot's 3D printing technology to create a custom tracheal scaffolding, combining it with living cells to form a functional airway segment. The breakthrough has the potential to revolutionize tracheal repair and replacement procedures.
Researchers developed a novel laboratory model to test factors improving MSC binding to defective cartilage. Integrins were found essential for effective MSC attachment and therapy efficacy in osteoarthritis repair.
Researchers at Stanford University School of Medicine have discovered a stem cell in mice that gives rise to bone, cartilage and stroma. The discovery sets the stage for therapies for skeletal disorders such as bone fractures, brittle bones, and damaged cartilage.
A popular knee surgery to repair meniscal tears may accelerate disease onset in some patients. Meniscal surgery was associated with a higher risk of developing osteoarthritis and cartilage loss compared to conservative management.
Using a patient's own rib cartilage for rhinoplasty has been associated with low rates of long-term complications and problems at the rib site. The study found that warping and hypertrophic chest scarring had relatively high complication rates, highlighting the need for surgeons to take extra precautions to reduce these issues.
Cartilage cells have multiple sensory systems that respond to mechanical strain, leading to cell death. Researchers found two ion channels, Piezo1 and Piezo2, that are critical for sensing forceful injury, and a substance from tarantula venom extract can block these channels, preventing cell death.
A UTA researcher has made a breakthrough in regenerating cartilage tissue using microscaffolding injections, aiming to reduce posttraumatic osteoarthritis symptoms. The treatment utilizes patients' own stem cells to form new cartilage tissue, potentially curing the disease.
Researchers at UC Davis have developed a method to toughen up engineered cartilage and keep natural tissues strong outside the body. By depriving native or engineered cartilage of oxygen and using an enzyme called lysyl oxidase, they found that cross-linking occurs, making the material stronger.
Scientists at The University of Texas Health Science Center have developed a new method to generate mouse cells that can form bone and cartilage using small molecules. This approach offers great potential in the repair of bone defects through cartilage, with the ability to be scaled up for clinical purposes.
The study found that statins promote bone growth in mice with achondroplasia symptoms by rescuing degraded cartilage and increasing chondrocyte proliferation. Statin treatment also accelerated the degradation of the FGFR3 protein, a key factor in skeletal dysplasia.
Researchers found that removing only the rib cartilage, but leaving its surrounding perichondrium intact, allowed for rapid repair within one to two months. This discovery suggests the presence of progenitor or stem cells in the perichondrium, which could lead to new regenerative therapies.
Researchers found cartilage plays an active role in rheumatoid arthritis destruction and remodelling, contradicting the long-held assumption that it's a passive victim of inflammation. Cartilage produces enzymes driving tissue degradation and releases signaling molecules triggering an autoimmune response.
Researchers have successfully engineered cartilage tissue using nasal septum cells, showing promising results in repairing articular cartilage defects. The treated patients' knees were replaced with the engineered cartilage grafts, demonstrating the potential of this innovative clinical treatment for cartilage damage.
A study by University of Liverpool scientists has identified a new mechanism of joint destruction caused by high-density mineralised protrusions (HDMPs) in human hip joints. These protrusions, seen only in horses, can snap off and grind against healthy tissue, worsening osteoarthritis.
Researchers developed a low-friction two-component lubricant inspired by biological lubrication, achieving a 90% reduction in friction compared to traditional polymer brushes. The new process has potential applications in piston systems, axle bearings, and hinges.
A 16-week study found that grape consumption significantly decreased self-reported pain related to activity and total knee symptoms in individuals with symptomatic knee osteoarthritis. The beneficial effect was more pronounced in females, particularly those under 64 years old.
Researchers at Columbia University successfully grew fully functional human cartilage from adult human stem cells, marking a significant breakthrough in tissue engineering. The developed cartilage exhibits physiologic architecture and strength, with potential applications in repairing cartilage defects or reconstructing complex tissues.
A new study found that sprifermin (recombinant human fibroblast growth factor 18) reduces total and lateral femorotibial cartilage thickness and volume in patients with knee osteoarthritis. The treatment was shown to improve joint space width and WOMAC pain score, particularly at a dose of 100µg.
Researchers at the University of Basel have developed a method to grow cartilage in the lab, enabling successful nose reconstruction surgery. The technique, known as tissue engineering, uses patients' own cells to create engineered cartilage that is implanted into the defect, resulting in improved functionality and cosmetic appearance.
A double-blind, placebo-controlled trial found no decrease in knee cartilage damage or improvement in bone marrow lesions with glucosamine supplementation. Glucosamine did not reduce urinary excretion of C-telopeptides of type II collagen, a predictor of cartilage destruction.
Duke researchers have successfully used gene therapy to induce stem cells to produce growth factor proteins, overcoming the challenge of delivering these proteins after implantation. The technique allows for long-term delivery and could be applied to various orthopedic tissues, presenting a significant step toward commercialization.
A study reveals that zinc levels inside cartilage cells regulate and respond to the destruction of cartilage tissue in joints. The researchers identified a molecular pathway involving the protein ZIP8, which transports zinc and leads to cartilage destruction.
Cartilage cells can grow new tissue when exposed to chemical signals mimicking physical activity, a breakthrough that could lead to new treatments for osteoarthritis. Researchers identified the ion channel TRPV4 as key to this process.
Researchers at Duke University have created a composite material with properties similar to those of native cartilage, which could lead to improved artificial replacement tissues. The new material combines the strength and suppleness of native cartilage, addressing previous challenges in replicating its mechanical properties.