Articles tagged with Stem Cell Research
Researchers have found a gene in flatworms that is highly similar to the human gene PTEN, which is frequently mutated in cancer. Disruption of this pathway leads to abnormal growths and cell death, making it an important model for studying human stem cells and cancer.
Studies in mice reveal that women who have children young have fewer mammary stem cells, which could contribute to lower breast cancer risk. Researchers plan to investigate further to determine the mechanism behind this protective effect and explore potential treatments.
Researchers have isolated cancer stem cells using a specific protein that only appears in these cells, opening the door for new therapy targeting them. This could lead to a reduction in cancer recurrence by killing stem cells before they can divide.
Researchers at Mayo Clinic have successfully used stem cells to regenerate heart tissue and repair dilated cardiomyopathy, a genetic defect. The treatment improved heart performance, synchronized electrical impulses, and halted deterioration in genetically altered mice with heritable dilated cardiomyopathy.
Researchers have developed a drug-inducible system to generate human induced pluripotent stem (iPS) cells with high efficiency. The new method requires less time than previous approaches and shows promise for development of cell therapies.
Researchers developed a novel method using human embryonic stem cell secretions to reduce tissue injury after a heart attack. The approach significantly improved heart function and reduced tissue death by 60%, offering a promising therapeutic option for heart attack patients.
Researchers at Tel Aviv University have developed a new classification system for identifying pluripotent stem cells in human tissue. By analyzing global gene expression profiles from 150 human stem cell samples, the team discovered a protein-protein network common to pluripotent cells, pointing to a key building block of their transfo...
Researchers at Durham University have developed two synthetic molecules that can direct stem cells to 'differentiate' into specific tissue types, improving the reliability of experiments and potentially reducing animal use. The new molecules, EC23 and EC19, are more stable than natural compounds currently used in laboratory research.
Scientists discovered the earliest form of human blood stem cells, called hemangioblasts, which can be replicated in unlimited supply using ACE as a marker. This breakthrough could lead to new treatments for heart diseases, anemias, leukemia and autoimmune diseases by mass-producing progenitor blood cells.
Research reveals that certain adult stem cells are more active than previously thought, actively controlling their behavior through the interaction between laminin A and integrins. This interaction enables follicle stem cells to remain in place, primed for division, by laying down laminin A to build their own niche.
Five UCSF faculty members have received $13.7 million in funding from the California Institute for Regenerative Medicine to explore fundamental questions about embryonic stem cells and develop treatment strategies for conditions such as cancer and liver disease. The researchers will investigate molecular mechanisms, cell specialization...
Rutgers University has received a $3.2 million grant from the NSF to equip experts in fields such as cell and molecular biology, computational modeling and biomaterials to move stem-cell breakthroughs from the biology lab into practical therapies. The program will also support training for underrepresented minorities and enhance divers...
Scientists have identified a crucial protein called Lnk that regulates the growth of stem cells in the bone marrow. The findings may aid in improving the success of bone marrow transplants and developing better treatments for blood disorders such as aplastic anemia and severe combined immunodeficiency disorders.
Dr. Edwin Monuki will study choroid plexus epithelial cells, which produce cerebrospinal fluid to promote normal nervous system health and function. Success in generating these cells could lead to clinical therapies and screens for new drugs for neurological disorders.
Researchers have created disease-specific stem cell lines for ten genetic disorders, including muscular dystrophy and Parkinson's disease. These lines will enable scientists to model human diseases in a laboratory setting, making it possible to study the development of various tissues relevant to these conditions.
Researchers at Boston Children's Hospital have developed 20 disease-specific stem cell lines for conditions such as Parkinson's Disease, Down Syndrome, and Muscular Dystrophy. These lines were created using the iPS technique and will be made available to researchers worldwide.
The University of Georgia has been awarded a $9.2 million grant to explore the molecular underpinnings of human embryonic stem cell differentiation, aiming to identify genetic and protein modification patterns that accompany this process.
Researchers have successfully differentiated pluripotent stem cells from a patient with ALS into motor neurons and glia featuring an ALS genotype, offering new avenues for drug discovery and understanding the disease process.
Dr. Kevin Eggan's breakthrough discovery marks the first time scientists have replicated specific human cells affected by ALS in a laboratory setting. The New York Stem Cell Foundation funded his work and will continue to support him.
Researchers at the University of California-Irvine have discovered that adult stem cells in the mammalian brain originate from ependymal cells lining the ventricles. These cells can be coaxed into dividing, providing a promising approach to treating neurological disorders and injuries such as Parkinson's disease and stroke.
New research funded by the Economic and Social Research Council explores standards in stem cell research, balancing scientist autonomy with data comparability. The study suggests that standardizing practices could lead to automation technologies, but also raises concerns about exclusivity and robustness.
The California Institute for Regenerative Medicine has awarded a planning grant to Cedars-Sinai Heart Institute to support regenerative stem cell-based approaches for treating heart attacks, congestive heart failure, and pacing abnormalities. Researchers will use autologous stem cells derived from patients to replace damaged heart cells.
Researchers at Joslin Diabetes Center have successfully transplanted muscle stem cells into mice with muscular dystrophy, improving muscle function and replenishing the stem cell population. This breakthrough study demonstrates the potential of stem cell therapy for treating degenerative muscle diseases like Duchenne muscular dystrophy.
A recent study published in Science found that 57% of researchers were 'mostly pleased' with their media interaction, while only 6% were 'mostly dissatisfied'. The survey, conducted among 1354 scientists, suggests that science-journalist interactions are more positive than previously thought.
Researchers have shown that purified stem cells isolated from adult skeletal muscle can restore healthy muscle and improve muscle function in mice with muscular dystrophy. The injected cells also replenished the pool of regenerative cells normally found in muscle, allowing the treated muscle to undergo subsequent rounds of injury repair.
A new report by scientists shows that relationships between scientists and journalists are now smoother than previously thought. The study found that most scientists view their media interactions as mostly positive, with only 6% reporting an unfavorable experience.
Researchers successfully developed human embryonic stem cells from a single cell of a 4-cell stage embryo, reducing the need for destruction of the embryo. This breakthrough could lead to more efficient production of hESCs at an earlier stage and alleviate ethical concerns surrounding the technology.
Scientists at WashU Medicine have successfully directed mouse embryonic stem cells to build the heart using the Mesp1 gene, a crucial discovery that may lead to new therapies using human stem cells. The study found that Mesp1 regulates cardiovascular fate restriction and epithelial-mesenchymal transition in differentiating ES cells.
Researchers at the Salk Institute have made a groundbreaking discovery by reprogramming adult brain stem cells into support cells in their natural environment. This achievement opens up new avenues for treating neurological diseases such as multiple sclerosis, stroke, and epilepsy.
Researchers at Baylor College of Medicine have discovered a novel cellular regulator called Ronin, which maintains embryonic stem cells in their undifferentiated state. This finding suggests an alternative control mechanism to the previously identified proteins Oct4, Sox2, and Nanog.
Researchers from Penn Medicine found that increased activity of the Wnt pathway leads to expansion of lung stem cells. This discovery could hold promise for therapies to repair lung tissue after injury or disease.
Researchers developed a method to track mesenchymal stem cells in tumors using noninvasive molecular imaging technology. The technique offers promise for personalized medicine and gene-modified stem cell therapies to fight cancer.
Researchers at UNC have shown that transplantation of adult stem cells can improve healing of fractures in animal models. The study provides a scientific foundation for future clinical trials and could lead to a new treatment for millions of people suffering from bone union failure.
Researchers at UT Southwestern Medical Center have created a small molecule, Isx-9, that can stimulate nerve stem cells to mature into nerve cells. This breakthrough could lead to new treatments for diseases such as Huntington's disease and brain cancer.
Researchers identified two key pathways controlling adult stem cells' repair and replacement abilities. By tweaking these pathways, they revived the ability of old mice's muscle tissue to repair itself nearly as well as younger counterparts.
Researchers at the Genome Institute of Singapore have identified over 3,000 genomic hotspots critical for maintaining embryonic stem cell state. These findings may lead to the development of an inexhaustible source of clinically useful cells for regenerative medicine.
Researchers discover at least one or two additional types of adult stem cells beyond Bmi1-expressing cells, found primarily in the upper third of the intestine. This finding complicates stem cell therapy for diseases such as Parkinson's and heart disease, requiring recognition of organ-specific stem cell complexity.
Researchers at Rush University Medical Center present pre-clinical data on a CD26 Inhibitor that increases the efficiency and responsiveness of umbilical cord blood for bone marrow transplants. The technology may improve treatment outcomes for blood cancer patients who require stem cell transplantation.
Scientists at Schepens Eye Research Institute have identified specific molecules that awaken dormant brain stem cells, which can transform into neurons and repair damaged brain tissue. The findings suggest that tapping the brain's regenerative potential may be a promising approach for treating neurodegenerative diseases.
Public attitudes toward embryonic stem cell research are influenced more by religious values and deference to scientific authority than scientific knowledge. For highly religious audiences, understanding the science has no effect on their views, while for less religious individuals, it is linked to more positive attitudes.
The study found that the UK and Israel produced substantially more research in human embryonic stem cells than other fields. In contrast, Australia showed a modest result due to its mixed policy on stem cell research. The US is still the largest producer of research in this field but lags behind when compared to other similar fields.
Researchers at Johns Hopkins have established a human cell-based system for studying sickle cell anemia by reprogramming somatic cells to an embryonic stem cell-like state. The new method improves reprogramming efficiency and increases the total number of reprogrammed cells, enabling future studies on blood diseases.
Researchers at UCLA identified a type of leukemia stem cell and uncovered the genetic mechanisms that cause normal blood stem cells to become cancerous. This discovery may lead to new therapies targeting these stem cells, potentially curing certain cancers.
Researchers at OHSU have developed new antibodies that can recognize pancreatic cancer and gastrointestinal cancers. These antibodies show promise in early detection and treatment of pancreatic cancer, which is the fourth-leading cause of cancer death in the US.
Researchers at USC have discovered a method to keep embryonic stem cells undifferentiated by shielding them from differentiation signals. This breakthrough could lead to the large-scale production of specialized cells for future therapeutic use.
Researchers have identified a specific gene expression profile of prostate cancer stem cells, revealing key pathways and potential therapeutic targets. The study's findings offer new hope for treatments targeting the rare but aggressive cancer stem cells.
Researchers have identified an embryonic pathway that confers adult stem cell properties to both normal and cancer cells undergoing epithelial-to-mesenchymal transition, offering a potential route to generate unlimited numbers of stem cells. This discovery has major implications for regenerative medicine and cancer treatment.
The study identifies GATA4 and GATA6 as crucial proteins controlling heart cell formation. Without these proteins, embryonic stem cells fail to develop normal hearts. The findings have significant implications for the production of heart cells from stem cells and may help unravel the mechanisms behind congenital heart disease.
Researchers at Hebrew University of Jerusalem demonstrate the exact mechanism by which embryonic stem cells develop into specific cell types. The study reveals that ES cells express a large proportion of their genome in an 'open and active' state, enabling them to become any cell type before undergoing global genetic silencing.
The University of Southern California will establish a five-story laboratory building with 53,000 assignable square feet to carry out stem cell research in three categories. The new facility will facilitate basic and clinical research, accelerating the pace of research toward clinical application and patient care.
The UCI Sue and Bill Gross Stem Cell Research Center will house up to 26 researchers, a master's program in biotechnology, and programs educating patients and the public. The facility is expected to advance stem cell therapies for treating spinal cord injuries and other diseases.
The University of California, Santa Barbara will receive a $3.2 million grant from the California Institute for Regenerative Medicine to develop a state-of-the-art stem cell research facility. The center aims to foster interdisciplinary research and translation of stem cell-based therapeutics for human diseases.
A new study by UC Davis researchers provides evidence that methods using human bone marrow-derived stem cells to deliver gene therapy do not cause the development of tumors or leukemia. The study tested the safety of gene transfer into bone marrow stem cells in over 600 mice, with none developing leukemia or solid tumors.
Researchers at Baylor College of Medicine found that the association between Nanog and Oct4 proteins with transcription repression complexes determines embryonic stem cell fate. The complex, called NODE, contains histone deacetylases that control gene expression.
A new study by researchers at the University of California, San Francisco found that brief exposure to secondhand smoke can cause blood vessel injury in young and healthy nonsmokers. The study also showed that smoke exposure impairs the body's natural repair mechanisms, leading to persistent effects on vascular health.
StemCyte's move to New Jersey is driven by collaboration with Rutgers and a desire for proximity to groundbreaking research. The company will house its executive management and therapeutics team at the new office, which will support its northeast US operations.
Researchers have found a new model to explain how signals between cells in the embryo control limb development. Growth factors at the distal tip of the embryonic limb act as instructive molecules controlling bone pattern along the limb length in an animal model.
Researchers identified adult stem cells in the pituitary gland of mice that can adapt to traumatic stress or normal life changes. These cells are distinct from embryonic stem cells and have a more limited repertoire, but still play a crucial role in maintaining the organ's function.
Researchers have identified menstrual blood as a valuable source of multipotential stem cells, which can differentiate into various cell lineages. The study found that these cells exhibit self-renewal and multipotency properties, making them suitable for regenerative transplantation therapies.
Researchers at University Medical Center Utrecht have successfully grown large numbers of stem cells from adult human hearts into new heart muscle cells. The stem cells can be used to study cardiac arrhythmia, test new medicines, and potentially repair damaged heart tissue. This breakthrough in stem cell research could move forward res...