Articles tagged with Stem Cell Research
Scientists found that mutations in mitochondrial DNA can induce an immune response, leading to the rejection of stem cell transplants. The study used hybrid stem cells with nuclear and mitochondrial DNA from different sources and showed that even a single mitochondrial mutation can trigger an immune response.
Researchers have developed a drug that speeds up blood stem cell regeneration after exposure to radiation, accelerating the recovery of cancer patients. The new compound, DJ009, lifts molecular 'brakes' on blood stem cells, enabling them to recover faster and reducing the risk of infections.
Rutgers University-developed nanotechnology boosts stem cell transplantation research, enabling accurate characterization of human stem cell fates and biomarkers without destruction. This allows further analyses and biomedical applications, addressing a major hurdle in current cell-based therapies.
Researchers at the University of Cambridge discovered that increasing brain stiffness as we age causes brain stem cell dysfunction. They developed new materials to study this effect, showing that older stem cells can be rejuvenated into younger, healthier states.
A new method of tooth repair has been discovered by scientists, who found that a gene called Dlk1 enhances stem cell activation and tissue regeneration in tooth healing. This mechanism could provide a novel solution for tooth problems such as decay and trauma treatment, and further studies are needed to validate the findings.
A new dual stem cell therapy has shown promise in improving cardiac function and vascular regeneration following myocardial infarction. The treatment involves combining two types of stem cells to repair both the muscle cells and vascular systems of the heart, providing a potential alternative to complex heart transplants.
Researchers have successfully generated 3D blastocyst-like structures from mouse stem cells, exhibiting totipotency and inducing proper changes in the uterus after implantation. The study paves the way for improved basic research in embryogenesis and fertility, as well as regenerative medicine.
Researchers have found that a combination of heart muscle cells and supportive epicardial cells can improve heart function, allowing transplanted cells to survive longer and restore lost heart tissue. The study offers new hope for treating heart failure with an alternative therapy.
The study found that orthopedic, inflammatory, and pain conditions are the main types of medical conditions treated with stem cells at direct-to-consumer stem cell clinics in the Southwest. The researchers also identified differences in the degree to which listed expertise matches the medical conditions treated with stem cells.
Researchers at Fred Hutchinson Cancer Center use CRISPR/Cas9 to edit long-lived blood stem cells, reversing symptoms of sickle cell disease and beta-thalassemia. The study demonstrates efficient modification of targeted stem cells, reducing costs and risks associated with gene-editing treatments.
Researchers from the University of Copenhagen have gained new insight into how sebaceous glands form and are maintained throughout life, shedding light on their role in skin development. The study reveals that a common cancer mutation affects normal cell behavior, leading to unchecked growth of the gland.
A phase I clinical trial demonstrates the potential of regenerative therapy for hypoplastic left heart syndrome through collecting, processing and injecting an infant's own stem cells directly into the heart at the time of surgery. The study showed no deaths or significant safety concerns over six months following surgery.
Researchers at UMN Medical School found that estrogen deficiency leads to a 30-60% drop in muscle stem cells and severe difficulty reproducing new muscle after injury. Estrogen replacement therapy may help maintain muscle health, but risks cancer due to its effects on tissues.
A team of scientists has identified a stem cell inducing factor called STEMIN that enables the direct conversion of leaf cells to stem cells in plants. This discovery sheds light on the molecular mechanisms underlying stem cell formation and regeneration in land plants.
A new shingles vaccine has been shown to effectively prevent outbreaks of the painful rash among patients who have undergone stem cell transplantation. The study found that the vaccine reduced the incidence of shingles by 68% and related complications, offering promise for patients with immune-compromising conditions.
Researchers used stem cells and optochemogenetics to treat mice after a stroke, showing improved recovery. The combination of stem cell injection and stimulation increased successful recovery rates.
A UC Riverside study found that electronic cigarettes produce a stress response in neural stem cells, leading to cell death or disease. The research identifies a protective response mechanism called SIMH, which can accelerate aging and lead to neurodegenerative diseases.
Scientists have created functional neural networks derived from cerebral organoids, which can mimic the development of the human brain. The study provides a new tool for understanding brain function and may lead to breakthroughs in drug discovery, modeling neuropsychiatric disorders, and regenerative medicine.
Kyushu University researchers discovered that reduced oxygen and mechanical compression play crucial roles in achieving and maintaining a dormant state in mouse egg cells. By limiting oxygen and increasing the protein FOXO3, they created egg cells similar to those found in nature.
Researchers at Harvard University have developed a new platform for rapid single-cell sequencing, combining microfluidics and novel software to scale up single-cell ATAC-seq. This approach enables the analysis of gene control in individual cells, revealing new insights into cell development and disease processes.
Researchers have developed a platform to record cell messages in depth, uncovering the precise ways cells communicate. This breakthrough enables the creation of 'cell-less' therapies that aid in repairing cardiac tissue without stem cell transplantation.
A new study published in Stem Cell Reports found that human embryonic stem cells can commit to a specific cell type within hours, rather than days, and this commitment is irreversible. The research also discovered that chromosome architecture can be remodeled locally and rapidly without dismantling the entire nucleus.
Researchers at Stanford Medicine developed an antibody treatment that enables mice to accept haploidentical hematopoietic stem cell transplants without immunosuppression. This breakthrough could transform the treatment of immune disorders and increase organ availability for transplantation.
A new study has identified the PcG protein EED as a critical modulator of hippocampal development and function. The researchers found that EED is necessary for the proper formation of the dentate gyrus, a key region involved in learning and memory.
Ben-Gurion University researchers develop a human blood-brain barrier chip with stem cells, recreating the natural physiology of the BBB. The chip is used to model neurological disorders such as multiple sclerosis, epilepsy, and Alzheimer's disease.
Research reveals SIRT1's crucial role in maintaining regenerative potential of CML leukemic stem cells and promoting leukemia development. The study suggests targeting persistent leukemic stem cells with kinase-independent metabolic alterations.
The use of mini-organs from tumors and healthy tissue in cancer research has been explored, revealing their potential in studying tumor development and testing existing and new therapies. This innovative approach holds promise for improving cancer treatment outcomes and advancing personalized medicine.
A new nanotechnology treatment using exosomes extracted from bone marrow stem cells has reversed MS symptoms in mice by rejuvenating lost motor skills and decreasing nerve damage. The treatment will be tested on humans in early 2020, initially on people with Type 1 diabetes.
Researchers develop a stem cell therapy that restores smell in mice by replacing damaged olfactory neurons. The treatment shows promise for treating various causes of olfactory loss and may lead to new treatments for humans.
Researchers developed a gel-based delivery system to improve tissue regeneration in kidney injuries. The study found that the system could significantly enhance cell proliferation and survival, leading to rapid functional recovery.
Researchers used single-cell RNA sequencing to identify genes expressed by each cell in the aorta, grouping them into separate populations based on gene expression profiles. This allowed for accurate distinction between stem cells and other blood vessel cells, providing key insights into their identity.
Researchers discovered that low oxygen concentrations provide essential conditions for plant growth, promoting the stability of protein ZPR2 responsible for cell proliferation and differentiation. This finding has significant implications for breeding crop varieties and understanding stem cell maintenance in plants and animals.
The study reveals that brain stem cells use a double-lock mechanism to protect genes that control cell identity, preventing unintended activation. This discovery has great therapeutic potential for reactivating stem cells and could lead to new treatments for neurological disorders.
Researchers used zebrafish and human cells to determine how blood stem cells receive Wnt signaling, discovering the crucial role of the epidermal growth factor receptor. This finding may advance laboratory development of blood stem cells, potentially leading to off-the-shelf treatments for patients with blood diseases.
A new study at the University of Copenhagen found that immature intestinal cells can develop into stem cells based on their surroundings. The discovery may lead to more effective stem cell therapy for non-healing wounds and tissue repair.
Researchers from the University of Edinburgh discovered a protein that switches on an immune response in stem cells, protecting them from viruses. This finding could help develop more efficient stem cell therapies to treat diseases like Parkinson's and diabetes.
Researchers discovered that stem cells with Fanconi anemia tend to use aerobic energy production, leading to diverse symptoms. A specific signaling pathway may be crucial to treating the disease, and a drug inhibiting this pathway is being explored as a potential treatment option.
Researchers at IST Austria identified PRC2 as a key protein regulating temporal maturation of stem cells, leading to correct neuron type production. Eliminating PRC2 activity resulted in incorrect neuronal cell type composition and reduced neuron numbers.
Using stem cells from six people, researchers recreated retinal cells in the lab and found a specific genetic variation that contributes to AMD. The study suggests that reducing VEGFA expression may be a key factor in the development of AMD.
Researchers at Karolinska Institutet developed a stem cell-based model to study neuron resilience in ALS. The model identified genes contributing to the resilience of oculomotor neurons, which can withstand the disease.
Researchers at Harvard University have improved the laboratory process of converting stem cells into insulin-producing beta cells, increasing purity to 80 percent. This breakthrough may improve beta cell transplants for patients with type 1 diabetes.
Researchers at the University of Maryland School of Medicine have discovered pigment-producing stem cells that can regenerate myelin sheaths in mice, potentially treating neurodegenerative diseases like multiple sclerosis. The discovery could offer a less invasive and simpler alternative to embryonic stem cells.
Researchers at Helmholtz Munich discover key molecules in the cell nucleus that orchestrate paraspeckles formation, a structure linked to ALS progression. The discovery provides new insights into pluripotency and differentiation processes, potentially leading to breakthroughs in regenerative medicine and therapeutic strategies for ALS.
Joanne Kurtzberg, MD, has been awarded the 2019 Bernard Sanberg Memorial Award for her groundbreaking work in pediatric hematology and regenerative medicine. The award recognizes her clinical trials that have led to positive results in treating adult ischemic stroke patients with cord blood therapy.
Researchers at Rutgers University have identified a new factor essential for maintaining stem cells in the brain and gut, whose loss contributes to anxiety and cognitive disorders. The study reveals that this gene product supports multiple types of adult stem cells, including those critical for cognitive function and intestinal renewal.
A team of scientists has discovered that the neuronal transport factor Staufen2 scans and binds to its target transcripts in a more complex manner than previously thought. This finding opens up new approaches to improve our understanding of RNA transport and synaptic plasticity, which is essential for memory and learning.
Researchers have discovered that human iPSC-derived MSCs (iMSCs) from aged individuals acquire a rejuvenation-associated 50-gene signature, which is also expressed in pluripotent stem cells. This finding highlights the potential of iMSCs to act via paracrine signalling and circumvent drawbacks associated with adult MSCs.
A new collaboration will create a centralized biobank of induced-pluripotent stem cells for Prader-Willi syndrome, enabling researchers to investigate the genetic basis of the disease and explore potential therapies. The biobank will provide high-quality cellular resources to accelerate research and development of new treatments.
Researchers at the University of Michigan developed a method to improve ovarian follicle development, increasing survival rates from less than 5% to 42-86%. The approach uses adipose-derived stem cells in a 3D scaffold to mimic the ovary environment.
Researchers at Newcastle University develop a potential revolutionary way to treat eye injuries and prevent blindness by using an enzyme to soften the tissue hosting stem cells. This approach has important implications for developing new ways to heal corneal damage, which affects almost 500,000 people worldwide.
Researchers found that aging contributes to a decline in intestinal stem cells, which can lead to disorders of the gastrointestinal tract. Boosting these cells with a compound called nicotinamide riboside (NR) reverses this effect and provides protection against age-related damage.
Researchers from the University of Pennsylvania have found that a single population of stem cells generates new neurons throughout life in the hippocampus. This process is crucial for healthy learning, memory, and mood adjustment.
Researchers at Tufts University have successfully grown and maintained olfactory stem cells in culture, which can then be used to restore tissue in the nose. The discovery raises hope that future therapies could be developed to restore the sense of smell in individuals where it has been damaged by injury or degeneration.
A new strategy to treat sickle cell disease and beta thalassemia has been developed using CRISPR-Cas9 gene editing, with the goal of achieving durable therapeutic effects. The approach targets blood stem cells and enables efficient production of functional hemoglobin.
A research team at Korea Brain Research Institute has developed a technology to produce dorsal cortical neurons utilizing induced pluripotent stem cells and tropical fish collagen. The breakthrough could lead to the treatment of brain diseases such as Parkinson's Disease by mass producing neurons using stem cells.
Researchers have found that modulating blood-forming stem cells' stiffness could help drive them out of the bone marrow and into the blood, but they need to be stiff to stay put. The study, published in Cell Stem Cell, suggests that altering cell biomechanics can improve mobilization regimens for stem cell-based therapy.
Chronic inflammation, not aging, is the main reason why bones heal more slowly with age. Researchers found that exposure to older mice's blood serum reduces stem cell multiplication and increases inflammation. Treatment with anti-inflammatory drugs restored skeletal stem cell function and bone healing ability in aged mice.
Researchers at Tel Aviv University developed a novel biosensor that can isolate and target leukemic stem cells, the most malignant of all leukemic cells. The sensor uses genetic encoding to identify and characterize these cells, which have high regenerative potential and escape targeted therapies.
Researchers have discovered a role for programmed cell death in wound healing and tissue regeneration, potentially paving the way to novel regenerative medicine therapies. Adult stem cells undergo apoptosis, a type of programmed cell death, which can impact their function and fate.
A team of researchers has identified specific factors in stem cell secretions that help protect neurons and reduce the severity of spinal cord injuries linked to spina bifida. The study's findings could pave the way for a cell-free treatment for the birth defect, which can cause lifelong disabilities.