Articles tagged with Stem Cell Implantation
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Researchers at Sanford Burnham Prebys found that transplanted stem cells develop neurons with unique codes to navigate and form connections in the brain. These codes guide the growth of axons and explain why most neurons of a particular subtype send axons to specific brain regions.
Stem cell transplantation has been shown to reverse stroke damage in mice by regenerating neurons and restoring motor functions. The treatment also improved blood-brain barrier integrity, reduced inflammation, and promoted new blood vessel formation.
Researchers at Stanford Medicine developed a way to replace more than half of the most severely affected brain cells with non-genetically matched precursor cells in mice. The approach helped animals live longer and reduced behavioral symptoms of the disease, offering hope for families of children with these rare diseases.
An international team of scientists has molecularly decoded blood stem cell differentiation pathways using state-of-the-art sequencing methods. They identified a crucial surface protein, PD-L2, which suppresses the immune response by preventing T cell activation and release of inflammatory substances.
Researchers have successfully transplanted stem cells from resilient individuals into sea anemones, which are closely related to corals, demonstrating the feasibility of this approach. This innovative method could potentially lead to a new way to revive and restore coral populations damaged by climate change.
A study published in the Journal of Clinical Immunology found alemtuzumab to be safe and effective in treating Asian patients with inborn errors of immunity after allogeneic hematopoietic cell transplantation. The drug was shown to improve overall survival rates, with 94.7% of patients surviving post-transplantation.
Researchers found that type II innate lymphoid cells transform after a cancer patient receives stem cells from a donor, preventing an effective immune system rebuilding. This new understanding may lead to better strategies for enhancing immune system recovery post-transplantation.
Researchers found that specific microbes in the gut reduce graft versus host disease after stem cell transplantation. Patients with low microbial metabolite risk index had better survival rates, fewer graft vs. host reactions, and reduced relapses.
Scientists have developed a new method to deliver genetic information to stem cells using nanoparticles coated with a specific polymer, enabling more efficient control over cellular differentiation. This innovation has the potential to improve the efficiency and effectiveness of regenerative medicine treatments.
Researchers at Mayo Clinic found that a dissolvable plug delivering stem cells can heal single-tract fistulas in patients with Crohn's disease. The treatment has shown durable results with minimal side effects, offering hope for patients with refractory perianal fistulas.
Researchers at Hokkaido University used hydrogel materials in combination with neural stem cells to grow new brain tissue in areas of brain damage. The study showed that immune cells and blood vessels grew within the hydrogels, leading to some degree of integration between the hydrogel and host brain tissue.
A research team at Chinese Academy of Sciences creates a spinal cord-like implant with covalent conjugation between biomaterials and cells, promoting cell retention and neural regeneration in rats after spinal cord injury. The study's findings have potential implications for human spinal cord tissue engineering therapy.
Researchers at MLU and partners developed a new process coating implant materials with a gene-activated biomaterial that induces stem cells to produce bone tissue. This method, published in Advanced Healthcare Materials, stimulates bone healing in a targeted manner with fewer side effects than existing methods.
A groundbreaking study by Hebrew University researchers has discovered the most primitive blueprint for embryo cell creation. The team identified 14,000 sites in the DNA that control the development of all embryonic organs.
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.
A USC discovery demonstrates the safety and efficacy of a stem-cell derived retinal implant for treating advanced dry age-related macular degeneration. The implant successfully improved visual function in some patients and survived without rejection for up to two years.
Researchers at RIKEN have developed a new retinal transplant technique by engineering human-derived retina sheets to lose bipolar cells, allowing better connections to host retinas and improved responses to light. The technique has shown substantial functional improvement in animal studies and is now poised for human clinical trials.
A multicenter clinical trial demonstrates insulin secretion from engrafted stem cells in patients with type 1 diabetes. The study shows 20% reduced insulin requirements and 13% more time spent in target blood glucose range over a one-year follow-up period.
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 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 developed an innovative in vivo priming strategy to train human stem cells for improved cardiac regeneration therapy. The technique, using a 3D-printed patch, enhances the survival rate and therapeutic potential of the stem cells after transplantation into failing hearts.
Researchers at the University of Wisconsin-Madison have developed a novel technology using decellularized plant husks to create three-dimensional scaffolds for human stem cells. The scaffolds are made from cellulose and exhibit properties such as strength, rigidity, porosity, and surface area that are ideal for biomedical applications.
Researchers implanted genetically engineered stem cells with cytokines HGF, SDF-1, and VEGF to reduce organ damage and improve cardiac function after a heart attack. The results showed that two therapies - SDF-1 and Akt1 overproduction - limited cardiac damage.
Researchers developed a self-assembling nanofiber scaffold to regulate cell activity, delaying growth and differentiation. The innovation enhances the survival rate of implanted stem cells, allowing them to maintain their youthful state and promote neural circuit regeneration.