Articles tagged with Stem Cell Development
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Engineered 'firefly' stem cells can help repair damaged hearts without cutting into patients' chests. Researchers can now track the cells' progress using a special camera lens that picks up the glow under a microscope.
Walter and Eliza Hall Institute researcher Dr Marie-Liesse Asselin-Labat is unraveling the mysteries of breast stem cells, their development, and influence by oestrogen and steroids. Her groundbreaking studies aim to uncover how breast cancer progresses and why it sometimes returns.
Researchers have identified a gene that regulates the disassembly of primary cilia in living organisms, leading to defects in left-right asymmetry and organ function. The study provides new insights into the molecular basis of ciliary diseases, which affect multiple organ systems and can lead to severe clinical symptoms.
Researchers found that adding palmitate to mouse stem cells affected their response to sex hormones, influencing the development of visceral versus subcutaneous fat. This discovery sheds light on the fundamental biology underlying obesity-related diseases.
Researchers at Linköping University discovered a new function that regulates stem cell production of different types of cells in various parts of the nervous system. The study found that Hox genes, similar to a GPS system, guide stem cells to produce specific nerve cells in certain regions.
Dr. Shinya Yamanaka's pioneering work on induced pluripotent stem cells eliminates need for embryonic stem cell harvesting from human embryos. The discovery has the potential to correct or repair birth defects in children, offering hope for preventions and treatments.
Researchers are developing non-controversial alternatives to human embryonic stem cells by transforming adult skin cells into stem cells using a molecular toolkit. Chemists aim to identify drug-like substances that can reprogram mature cells into stem cells, bypassing the need for gene therapies.
Researchers at The Ottawa Hospital Research Institute have discovered that stem cells intentionally break and repair their own DNA as a mechanism of activating genes that promote tissue development. This novel process, crucial for muscle tissue development, may also be important for the development of most other tissues.
Shinya Yamanaka has developed a method to reprogram adult skin cells into pluripotent stem cells, eliminating the need for embryos. This breakthrough will aid research into preventing birth defects and improving baby health.
Researchers at the University of Toronto have identified a protein called nSR100 that controls alternative splicing events in genes critical to nervous system formation. This discovery could provide new insights into brain complexity and neurodegenerative diseases like Alzheimer's.
Case Western Reserve University has received funding to support multiple stem cell and regenerative medicine commercial, emerging, and pilot projects. The $5 million grant will help advance technologies to benefit patients in Ohio, building on previous investments that have brought in $170 million in new commercial development.
A new study identifies chondrogenic progenitor cells (CPCs) in late-stage osteoarthritis cartilage with migratory capabilities and tissue-specific stem cell characteristics. The CPCs may be recruited to degenerating cartilage, offering a potential regenerative therapy for arthritis.
Researchers at Rensselaer will investigate the role of specific genes and biological molecules in human stem cell function. They aim to understand how to control stem cell development using a range of new technologies.
A new approach to generate induced pluripotent stem (iPS) cells has been developed by Austin Smith's team. They used a single reprogramming factor called Klf4 and a transposable element called Piggybac to persuade partly specialised mouse cells to reprogram into iPS cells.
Researchers discovered protein Bud14 inhibits formin interactions, regulating actin filament length. This discovery advances understanding of cell division and development, with implications for human health conditions such as infertility and deafness.
A genome-wide expression analysis identified 3,005 differentially expressed genes, including a ribosome and T-cell receptor signaling pathway. The study provides critical insight into the differences between leukemic stem cells and normal blood stem cells, potentially leading to targeted therapies.
Scientists have discovered a chemical that prevents stem cells from turning into other cell types, allowing researchers to grow larger stocks of these cells. This breakthrough has huge potential for treating diseases and injuries without current cures.
Researchers at the University of Michigan have identified a molecular checkpoint system in adult stem cells that prevents abnormal cell division, which can lead to cancer. The system detects misaligned centrosomes and stops cell division, preventing over-proliferation and tumor formation.
The NIH Director's Pioneer Award program has made 63 awards, with the New Innovator Award program supporting 61 investigators. The grants enable recipients to pursue innovative approaches that could transform biomedical and behavioral science, with an estimated total value of up to $138 million over five years.
A gene associated with human breast stem cells can stimulate the development of mammary cells by activating Wnt and Notch pathways, which are critical to cancer growth. The study suggests that targeting this gene might provide a new way to treat cancers of the breast and other tumor types.
Researchers found that human umbilical cord blood cell therapy significantly reduced amyloid-β and β-amyloid plaques in mice with Alzheimer's-like disease. The treatment modulates the immune system by suppressing CD40-CD40L activity, offering potential for targeting inflammatory responses associated with degenerative conditions.
Scientists identified Lis1 gene as essential for neuroepithelial stem cell division in mice, providing insight into brain development and potential link to lissencephaly. The study suggests neural migration defects may be caused by defects in other processes like proliferation and division.
Researchers found that BERT and ERNI proteins interact to temporarily stop neural cell development, giving other cells a head-start in forming organs and skin. This discovery advances knowledge of stem cell behavior, with potential implications for medical research.
Research by University College London scientists reveals that BERT and ERNI proteins control brain development timing in vertebrates. By binding to the Sox2 gene, these proteins create a timing mechanism that gives the green light for neural cells to form the brain and nervous system.
Researchers have successfully reprogrammed human adult stem cells to correct the genetic mutation causing muscular dystrophy. The corrected cells were then transplanted into mice with the disease, resulting in significant recovery of muscle morphology and function.
The study outlines strategic directions in tissue engineering, focusing on angiogenic control, stem cell science, and molecular/systems biology to provide engineered tissues with adequate blood supply and integrate knowledge at the cellular and molecular level.
Meis1 is required for maintaining leukemia stem cell properties in MLL leukemia, including self-renewal and differentiation arrest. The study provides new insights into the genetic underpinnings of MLL leukemogenesis.
The Stowers Institute's Xie Lab has discovered that stem cell aging is controlled by both intrinsic and extrinsic factors. The study found that specific proteins, adhesion between cells, and enzyme activity can influence stem cell lifespan and function, potentially leading to the development of new therapies for age-related diseases.
The W.M. Keck Foundation has selected six promising young scientists for its Distinguished Young Scholars program, awarding each a $1 million grant to pursue groundbreaking research in biomedicine. The recipients aim to advance our understanding of human disease and develop new treatments.
Researchers found that microRNA levels are crucial for maintaining homeostasis during blood cell development, but not the 'slicer' activity of Ago2 protein. The study suggests that low levels of microRNA have distinct effects on different blood cell lineages.
Scientists at McMaster University have made a groundbreaking discovery about human embryonic stem cells, finding they can generate fuel to sustain themselves. This breakthrough has significant implications for future clinical therapy, as it could lead to the development of new treatments for diseases such as Parkinson's and diabetes.
Researchers identify protein WIP as crucial for cell fusion, shedding light on muscle development; potential applications include regenerating muscle tissue with stem cells. The study's findings have implications for understanding various cellular processes and may lead to new treatments or therapies.
Dr. Evan Snyder's study demonstrates human neural stem cells slow Sandhoff disease progression in mice, offering promise for brain repair therapies for special-needs children. The research lays groundwork for potential therapies for other complex childhood brain disorders.
A groundbreaking study by neurologist Steven Goldman and his team used stem cells to treat Parkinson's disease in rats, achieving a remarkable improvement in symptoms. However, brain tumors appeared due to the stem cells' uncontrolled growth, prompting an urgent need to find solutions.
Researchers at Oregon State University developed a new method to identify DNA-binding transcription factors that help steer stem cells. The study, announced in Proceedings of the National Academy of Sciences, used mouse embryonic spinal cord as a model and identified the subset of genes involved in producing various cell types.
A new study ranks the top applications of regenerative medicine for improving health in developing countries, including novel insulin replacement and pancreatic islet cell regeneration for diabetes. Regenerating failed heart muscle using a patient's own cells is also highly ranked.
A new method identified by Sean J. Morrison and colleagues distinguishes hematopoietic stem cells (HSCs) from other progenitor cells using specific SLAM family receptors. The technique enables the purification of HSCs before transplantation, potentially leading to safer transplants.
Researchers find that stabilizing a protein called â-catenin drives hair follicle development by reducing the threshold for stem cell activation. Key genes controlling this process are identified, providing new insights into promoting hair growth.
Stem cells can be made specific to patients regardless of age or sex, showing promise for treating devastating diseases and injuries. The research yields patient-specific cellular models of human disease, paving the way for more precise study and potential cure.
Researchers at Stanford University School of Medicine have discovered a primordial pancreas in fruit flies that produces both insulin and glucagon, two hormones crucial for regulating blood sugar levels. This breakthrough could lead to the development of new drugs for treating diabetes.
In a groundbreaking study, researchers at NYU School of Medicine found that young nerve cells can rewire their developmental timeline, defying long-held assumptions about brain development. This discovery opens up new possibilities for generating neural tissue for replacement therapies.
A new system has been developed to identify and isolate stem cells, providing a key to understanding regenerative medicine. The discovery offers promise for treating skin injuries, hair loss, and other conditions by identifying stem cells that can create tissue as needed.
Researchers developed a costimulatory blockade-based protocol to induce peripheral tolerance in stem cell transplantation. This approach combines donor-specific transfusion and anti-CD154 monoclonal antibody administration to achieve functional HSC populations without myeloablation or GVHD induction.
Researchers at Stanford University have created diabetic fruit flies by destroying insulin-producing cells, allowing them to study the development of pancreatic cells. The fly model could help understand the origin of insulin-producing cells in people with Type I diabetes.
A study by Michigan Medicine researchers found that high oxygen levels can be toxic to stem cells, converting muscle cells into fat cells. This discovery has important clinical implications for the treatment of obesity and diabetes, as it may be related to aging and oxidative stress conditions.
Researchers at University of Wisconsin-Madison successfully directed undifferentiated human embryonic stem cells to become primitive types of blood cells, which later develop into mature blood cells. This breakthrough technology holds promise for creating novel sources of blood cells for transfusion and transplant therapies.
Researchers at Harvard University have created a powerful new tool to combat diabetes, identifying crucial genes responsible for pancreatic development. The discovery sheds light on the role of NGN3 and Pdx-1 in pancreatic development, offering hope for potential therapeutic usage.
Researchers at the University of Michigan have identified a molecular switch, Wnt signaling, that inhibits fat cell development. By activating Wnt signaling, even muscle cells can turn into fat cells.
A new diode laser technique developed by MGH dermatologist Eliot Battle successfully removes excessive hair from individuals with darker ethnic skin. The longer-wavelength laser light and slower pulse delivery reduce damage to the surrounding skin, enabling patients with darker skin tones to tolerate higher energy dosages.
A team of scientists, led by Deborah J. Good, has identified a gene called SIL that governs the formation of the left-right body axis during embryonic development. The gene is believed to be crucial in the correct placement of organs such as the heart within the developing organism.
Physicians at the University of Chicago Medical Center have found a way to bring full immune system power against cancer using co-stimulation technology. Patients with advanced or recurrent lymphoma have experienced anti-tumor effects and complete remissions after receiving expanded, co-stimulated T cells.
Researchers are studying the genetic mechanisms of Nostoc commune, a microorganism that can survive in dry conditions for hundreds or thousands of years. The goal is to understand how it protects itself from heat, desiccation, and UV radiation, with potential applications for stabilizing other living cells.