Articles tagged with Adult Stem Cells
Researchers at Michigan State University have discovered a gene, oct-4, expressed in normal adult stem cells, which could lead to the development of cancer prevention and diagnosis tools. The study found that adult stem cells with the oct-4 gene are more prone to becoming cancerous than those without it.
A new technique allows for successful cord blood transplants in high-risk acute and chronic leukemia patients, with disease-free survival rates of 57% at one year. The study's findings offer hope to thousands more patients who were previously ineligible due to lack of suitable donor units.
The study suggests that the spleen contains a population of primitive stem cells important for healing several types of damage or injury. These cells may produce an even greater variety of tissues than adult stem cells from bone marrow.
Researchers have discovered that neural crest stem cells in human hair follicles can differentiate into various cell types, including neurons and cartilage/bone cells. These findings hold promise for treating conditions such as Parkinson's disease, spinal cord injury, and bone degeneration.
Researchers found that injections of bone marrow stem cells into damaged heart muscle produced nearly full recovery after two months. The study showed no recovery in the control group, with worsened conditions leading to congestive heart failure.
Researchers at Johns Hopkins Medicine have successfully replicated heart stem cells using a new technique, producing over 100 million cells in four weeks. The resulting cardiospheres contain cells that can regenerate and develop into specialized heart cells.
Researchers found that a specific adult stem cell travels to the lung through the bloodstream and produces collagen, leading to scar tissue formation. Blocking this mechanism may reduce pulmonary fibrosis, offering new treatments for related disorders like rheumatoid arthritis.
Researchers found that mouse brain stem cells can develop into blood vessel cells, expressing markers associated with endothelial cells. This discovery keeps the possibility open of harnessing adult stem cells from different organs to prevent and treat neurological disorders.
A study found that patients who received bone marrow stem-cell transfer showed a 7% improvement in left-ventricular function, compared to a 0.7% increase for those given medical therapy. Larger trials are needed to confirm the effectiveness of this approach in treating cardiovascular disease.
Researchers from Indiana University have identified adult type stem cells that can be grown in large quantities and easily modified with genes. These endothelial progenitor cells show promise as a new gene therapy tool for treating circulatory problems, such as diabetes-related amputations and heart attack repair.
Scientists have identified a key gene, Pax7, that regulates the transformation of adult stem cells into muscle cells in injured tissue. The study showed that introducing Pax7 to these stem cells can enable them to differentiate into functional muscle cells and aid in tissue repair.
A study by Lund scientists has shown that adult stem cells cannot form new heart muscle cells after a heart attack. The transplanted cells retain their identity as blood cells and fuse with heart muscle cells outside the infarcted area.
New studies suggest that embryonic stem cells or mature beta cells are the primary source of new beta cells for diabetes treatment. The findings highlight a significant proliferative capacity of beta cells, offering a potential clinical direction for boosting insulin production in patients with residual beta cells.
The ACS national meeting showcased significant discoveries in nanotechnology, including potential vaccine for diabetes and snake venom that removes blood stains. Researchers also explored the benefits of daily honey consumption on heart disease prevention and the impact of adult bone marrow-derived cells on brain and brawn repair.
Penn researchers have isolated stem cells in adult mice responsible for hair growth, leading to the development of potential treatments. The findings also hold promise for burn treatments, where current skin grafting methods fail to generate hair growth.
Researchers at Duke University Medical Center have successfully reprogrammed human fat cells to become adult stem cells capable of forming bone, cartilage, and other cell types, providing a promising new approach for treating diseases such as osteoarthritis.
Researchers at UCSF have identified a new source of adult stem cells in the human brain, potentially leading to breakthroughs in neuroregeneration and glioma treatment. The study found that astrocytes in the subventricular zone can function as neural stem cells, producing fresh neurons and oligodendrocytes.
Researchers successfully remyelinated nearly entire mouse brains with human stem cells, producing thousands of times more myelin than previous experiments. This breakthrough offers potential treatment for diseases like Canavan disease and Tay-Sachs disease.
A team of scientists has identified a cluster of 88 genes that may act as molecular markers for the developmental potential of different stem cell types and stages. These findings are consistent with previous research on cellular development and plasticity, and shed light on the molecular pathways guiding development.
The University of Minnesota has been awarded a major NIH contract to bring new cellular therapies to human clinical trials. The project will focus on developing biological therapies using adult stem cells, umbilical cord blood, tumor vaccines, and genetically modified immune system cells.
A new study by the Society for Women's Health Research has found that spleen cells can rapidly regrow adult islet cells without embryonic stem cells. This breakthrough discovery opens up a new approach to treating Type 1 diabetes, which develops when the immune system attacks insulin-producing islet cells.
Researchers found that Bmi-1 is essential for self-renewal in two types of adult stem cells: neural stem cells from the central nervous system and hematopoietic stem cells. This discovery may lead to a better understanding of cancer development, as Bmi-1's overexpression can promote uncontrolled growth.
Researchers have found that adult rat hearts contain cardiac progenitor cells capable of repairing damaged tissue. The study, published in Cell, used these cells to regenerate new myocytes and other functional cells in ischemic hearts.
Researchers have successfully differentiated adult bone marrow stem cells into functional dopamine-producing cells, similar to those found in embryonic and neural stem cells. This breakthrough holds promise for developing new treatments for Parkinson's disease.
The Tulane center will prepare and distribute a continuous supply of marrow stromal cells (MSCs) using standardized protocols, addressing the need for standard MSC preparations. The center's availability will allow scientists to better understand the capabilities of these cells for potential therapeutic uses.
Researchers successfully transplanted adult stem cells into mice, which then developed into various brain cell types, including nerve cells and glial cells. This breakthrough study suggests that these cells can potentially be used to treat neurodegenerative diseases such as Parkinson's and Alzheimer's.
Researchers have identified a new source of stem cells in human teeth, known as SHED (Stem cells from Human Exfoliated Deciduous Teeth), which can grow rapidly in culture and differentiate into specialized cells. This discovery may lead to breakthroughs in tooth repair, bone regeneration, and neural injury treatment.
Researchers have discovered that adult hearts contain stem cells capable of regenerating muscle tissue lost due to disease or wear. These findings open the possibility for the development of restorative therapies following heart attacks and other cardiovascular diseases.
Scientists have discovered that bone marrow-derived stem cells can fuse with liver cells to form healthy, functional cells. This process, called cell fusion, reverses liver damage in mice with a genetic disease, paving the way for potential human treatments.
A team of scientists at the National Institutes of Health reports finding cheek cells with a male Y chromosome, indicating that some transplanted stem cells had differentiated into cheek cells. The study provides strong evidence for transdifferentiation and offers insights into its potential therapeutic applications.
Researchers at Duke University Medical Center have found that oxygen levels play a crucial role in transforming adult stem cells from fat into cartilage cells. Under low-oxygen conditions, the stem cells differentiate into chondrocytes, which can potentially repair damaged cartilage.
Researchers at UNC School of Medicine successfully transdifferentiated rat stem cells into functional new tissue, including platelets, red blood cells, and heart muscle cells. This breakthrough finding may provide clues to the therapeutic potential of human adult stem cells for tissue repair.
Researchers discovered a novel gene, nucleostemin, crucial for maintaining stem cells' proliferative capacity. Its expression is linked to self-renewal and proliferation in both embryonic and adult stem cells, as well as some human cancer cell lines.
Researchers have developed a method to culture and expand cord blood-derived stem cells, increasing their number by over 100-fold. The expanded cells showed improved potency in reconstituting the recipient's blood and immune cell systems.
A Stanford study found that a single adult stem cell could only repopulate blood and immune cells in mice, casting doubt on its ability to form all adult tissues. The research suggests that embryonic stem cells remain the most promising option for tissue formation.
Adult stem cells have intrinsic properties and respond differently to environmental signals, suggesting a new approach to repairing damaged PNS tissue without transplanting exogenous cells. The study reveals that matching the origin of the stem cell to the specific tissue being repaired is crucial for successful application.
Researchers at MGH Laboratory of Molecular Endocrinology found that GLP-1 causes adult islet stem cells to differentiate into functional beta cells. This discovery may help devise strategies for using islet stem cells to treat diabetes.
Researchers at the University of Minnesota have found evidence that adult bone marrow-derived cells can differentiate into cells of all three embryonic germ layers, similar to embryonic stem cells. These multipotent adult progenitor cells (MAPCs) show potential for treating genetic and degenerative disorders without tumor formation.
Researchers have discovered that adult blood stem cells can function to make blood vessels, a breakthrough that could lead to new treatments for circulatory diseases. The discovery was made using genetically engineered mice with green glowing stem cells, which were able to form new capillary beds in the eyes.
Duke University researchers have successfully transformed adult stem cells taken from fat into cells that resemble nerve cells. The new cells were grown in the laboratory using chemicals and growth factors, and showed promise as a potential treatment for central nervous system disorders. While further research is needed to determine th...
Researchers have discovered that adult bone marrow stem cells can differentiate into liver cells, secreting key proteins and enzymes. This breakthrough could lead to the development of bio-artificial livers and improved treatment options for patients with genetic liver diseases.
A recent study published in JCI Journals reveals that a versatile stem cell can be repurposed to enhance tissue repair and regeneration in various tissues. The researchers discovered that the stem cell can differentiate into multiple cell types to facilitate the healing process.
Adult neural stem cells isolated from rats' brains can mature into functioning brain cells, forming normal neuronal structures and connections. The study's findings suggest potential for clinical application in regenerating damaged brain tissue.
Researchers have successfully established a cell line that functions like adult human mammary stem cells, opening up new avenues for studying breast cancer and tissue regeneration. The discovery was made by Dr. Ole William Petersen and colleagues from the University of Copenhagen and Lawrence Berkeley National Laboratory.
Researchers at the University of Minnesota have successfully transplanted stem cells into laboratory animals with stroke, restoring brain function. The study demonstrates that bone marrow-derived stem cells can differentiate into neurons, astrocytes, and oligodendroglia, offering hope for future clinical trials.
Researchers from the Whitehead Institute for Biomedical Research have successfully cloned mouse embryos from mature B and T cell nuclei, demonstrating that fully differentiated adult cells can form clones. However, the process is extremely inefficient, and it is more likely that elusive adult stem cells are responsible for cloning.
Researchers found that adult bone marrow stem cells can differentiate into blood vessels, potentially treating cancer tumors, wounds, and atherosclerosis. The discovery of multipotent adult progenitor cells (MAPCs) may lead to new clinical therapies.
Researchers successfully tracked stem cells implanted into a living rat using a magnetic resonance imaging technique, marking an important breakthrough. The iron-laden cells create a magnetic black hole easily spotted by MRI, allowing scientists to monitor the cells' behavior and movement without tissue removal.
Researchers have successfully converted adult human bone marrow stem cells into functional brain cells in the lab, using a combination of growth factors and nutrients. The breakthrough could potentially lead to new treatments for neurodegenerative diseases like Parkinson's disease.
Researchers at McGill University have isolated novel stem cells from the dermis of adult rodents that can differentiate into various cell types, including neurons and muscle cells. These multipotent stem cells, known as SKPs, hold promise for treating Parkinson's disease and other neural disorders.
The use of embryonic stem cells is a contentious issue, with proponents arguing that they hold promise for medical breakthroughs. However, opponents claim that destroying an embryo is tantamount to infanticide. Scientists generally favor the use of embryonic stem cells due to their versatility.
Scientists discovered that even seemingly normal-looking clones may have subtle aberrations in gene expression, which can affect development. The study found that mouse clones made from embryonic stem cells exhibited irregular gene expression, highlighting the potential risks of reproductive cloning.
A study by University of Pennsylvania researchers found that the hair follicle and epidermis may originate from the same cache of cells. The finding suggests that daughter cells in the upper follicle migrate upward to form and maintain the new epidermis, and down to form the hair shaft.
A new study reveals that reprogrammed adult neural stem cells can differentiate into various cell types, including heart, liver, muscle, and intestine cells. This breakthrough adds to the growing evidence suggesting that adult stem cells may be more versatile than previously thought.
University of Florida researchers have reversed diabetes in mice by injecting cells that produce enough insulin to regulate blood sugar levels effectively. The cells were grown into small, insulin-secreting organs and implanted just beneath the skin, allowing them to function like an endocrine pancreas within days.
Researchers at Osiris Therapeutics confirmed the existence and capability of human adult stem cells to form multiple normal human tissues. These cells can undergo substantial expansion and differentiation into bone, cartilage, or fat, forming healthy connective tissue.
Researchers have found that adult stem cells, previously thought to be permanent, can shed their identities and become blood cells. This discovery raises the possibility of using adult stem cells for therapeutic purposes, such as generating healthy blood cells for patients with blood disorders.
A clinical trial demonstrates that TPO, administered with G-CSF, boosts stem cell migration and increases the number of patients eligible for autologous stem cell transplantation. The treatment significantly improves re-growth of blood cells after chemotherapy.
Scientists found that adult mouse blood stem cells can survive in the early embryo and produce blood cells with embryonic features, highlighting unexpected plasticity in blood cell programming. The study challenges accepted ideas on blood cell development and opens new avenues for understanding hematopoietic cell transplantations.