Articles tagged with Stem Cell Research
Researchers at UCR identified all the genes expressed in plant stem cells, providing a global view of which genes are expressed and where within the shoot apical meristem. This discovery can help scientists develop better varieties of crops and understand why stem cells give rise to specialized cells.
A Johns Hopkins engineer is working on coaxing human stem cells to form new blood vessels that could replace damaged tissue in people with heart disease and other illnesses. The researcher, Sharon Gerecht, aims to understand the molecular signals that cause stem cells to differentiate into blood vessels.
A rare case of a boy with Ataxia Telangiectasia developed abnormal growths in his brain and spinal cord four years after receiving human fetal stem cell therapy. The tumors were found to be benign neural tumors that could not have arisen from the patient's own tissues, highlighting the need for caution in stem cell therapy.
Researchers at UT Houston are launching a Phase I study to treat acute stroke victims with their own stem cells, harvested from bone marrow. The goal is to assess the safety and potential benefits of this treatment in reducing disability.
Researchers have discovered a signaling pathway involved in normal pancreatic development is also associated with type 2 diabetes. The Wnt signaling pathway is up-regulated in insulin-producing cells of pancreases from adults with type 2 diabetes.
Researchers at the University of Wisconsin-Madison have made a breakthrough in growing functional heart cells from induced pluripotent stem cells, paving the way for potential therapies for heart failure patients. The discovery uses a virus to reprogram skin cells into embryo-like states and could potentially lead to new treatments.
Researchers at Baylor College of Medicine have identified two critical genes, Scl and Lyl1, that work together to maintain a pool of hematopoietic stem cells. These 'sister' genes are essential for the survival and function of blood-system stem cells, and their dysfunction can lead to severe consequences.
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.
UT Southwestern researchers discovered that mice without the AGPAT2 enzyme accumulated excessive liver fat, leading to metabolic complications. A fat-free diet reduced liver triglycerides by approximately 50% in these mice.
Researchers at UC San Diego have developed a novel method to accelerate bone growth using nanotubes and stem cells, which could lead to quicker recovery times for patients undergoing orthopedic surgery. The new method uses mesenchymal stem cells placed on top of titanium oxide nanotubes to control cell differentiation into osteoblasts.
The University of California, San Francisco (UCSF) has received tentative approval for a comprehensive stem cell training program, designed to cultivate the next generation of stem cell scientists. The three-year grant, totaling $3.9 million, will support six graduate students, six postdoctoral fellows, and four clinician-scientists.
The University of California, Irvine has received a $3.3 million grant to expand its stem cell training program, which will attract top talent and develop more physician-scientists engaged in stem cell research. The program will train researchers to cross disciplines and develop new disease treatments.
Researchers found that ordinary plant cells can replace lost organs and tissue without the need for stem cells, a function previously thought to be exclusive to stem cells. The study suggests that plants can regenerate without stem cells through a process of reprogramming.
A study found that transplantation of stem cells from the spinal cord lining reverses paralysis in laboratory tests. The transplanted cells regenerated ten times faster than similar cells from healthy control animals.
A therapy developed at UC Irvine will become the world's first embryonic stem cell treatment tested in humans, targeting patients with acute spinal cord injury. The U.S. FDA has approved a clinical trial led by Geron Corp., which aims to restore electrical conduction and mobility in paralyzed individuals.
A study by Ralph Brinster found that males housed with females had a six-month delay in fertility decline, compared to those without companionship. This could have significant implications for male fertility in wildlife and human populations.
Researchers led by Nancy Speck identified the location and developmental timeline of bone marrow stem cell formation in mouse embryos. Understanding this process may help manipulate embryonic stem cells to generate new blood cells for therapy.
Researchers have developed a new technique to mobilize specific types of adult stem cells into the bloodstream using new drug combinations. This method aims to accelerate tissue regeneration and repair in cases of heart disease or sports injuries, potentially treating autoimmune diseases like rheumatoid arthritis.
Researchers at Boston University have created a more efficient way to generate induced Pluripotent Stem (iPS) cells using a single lentiviral vector. This breakthrough reduces the risk of genomic integrations and cancer-causing genes, paving the way for human clinical trials.
A key gene has been identified as a factor in maintaining the potency of various stem cells, preventing them from differentiating into specialized cell types. The scrawny gene modifies chromosomal proteins to silence genes that would cause differentiation, ensuring stem cells remain undifferentiated.
Researchers at Hebrew University have made significant breakthroughs in reversing brain birth defects in animal models by using stem cells to replace defective brain cells. In their study, Prof. Joseph Yanai and his team demonstrated that stem cells can induce the host brain to produce large numbers of stem cells, repairing damage and ...
Researchers at USC have successfully derived authentic embryonic stem cells from rats, which will facilitate the creation of animal models for studying human diseases such as cancer and diabetes. This breakthrough finding represents a major advancement in stem cell research.
Scientists have developed a cocktail that can capture and maintain indefinitely the most fundamental of embryonic stem cells from essentially any mammal. The discovery allows researchers to produce genetically altered strains of rats with conditions mimicking human disease in a targeted way, making it easier to study human diseases.
Thomson's discovery of human embryonic stem cells and development of induced pluripotent stem cells launched the field of stem cell science. His work has the potential to help find the root cause of disease, test new drugs at the human cellular level, and offer regenerative therapies.
Leukemia takes over bone marrow niches, crowding out healthy stem cells. Blocking cancer cell chemical signals could help protect stem cells and improve treatment strategies. Researchers develop approach to blunt leukemia's effect on stem cells, potentially boosting immune system response.
Researchers have developed a method to create novel types of stem cells, offering opportunities for expanding research and drug discovery. The technique enables the creation of rat and human pluripotent stem cells with characteristics similar to mouse embryonic stem cells.
Scientists at St. Jude Children's Research Hospital have discovered that normal stem cells can give rise to tumors in mature solid tissues, including the intestine. The study identifies Prominin1 as a molecular marker for normal stem cells, which can act as the source of cancerous tumors.
A leading British researcher predicts a boom in stem cell drug testing under Obama's administration, offering a viable alternative to animal-based heart cell tests. The UK has already established a special public-private research program to harness the potential of human embryonic stem cells for safer medicine.
A new study from the University of Pennsylvania School of Medicine has identified stem cells in the esophagus that can grow into functional tissue. The researchers found that these stem cells can repair damaged tissue and potentially treat conditions like GERD and Barrett's esophagus, a precursor to esophageal adenocarcinoma.
Researchers successfully monitored transplanted stem cells using bioluminescent imaging and iron oxide, enabling non-invasive tracking. Three different labeling methods were evaluated for their reliability in detecting transplanted mensenchymal stem cells, with DAPI labeling showing promising results.
Researchers successfully recreate a functional stem-cell niche in adult mice, enabling further study of stem cell development and fate. The discovery has potential implications for leukemia treatment and bone healing.
A UC Riverside study reveals that harm-reduction cigarette smoke retains toxicity and can adversely affect reproductive development in mice and may pose risks to human pregnancies. The research found that both mainstream and sidestream smoke from traditional and harm-reduction brands are toxic to pre-implantation embryos.
A new clinical trial has demonstrated the safety of expanding umbilical cord blood stem cells before transplanting them to patients with advanced leukemias or lymphomas. The study found that expanded stem cell technique is comparable to standard double-cord transplant and shows promise for improved engraftment and survival.
Two studies examine the impact of cord blood, peripheral blood, and bone marrow on transplant success rates in adults with acute leukemia. The research reveals that mismatched cord blood transplants can be a suitable alternative to bone marrow or peripheral blood transplants.
Researchers at M.D. Anderson Cancer Center analyzed over 1,100 blood stem cell transplantations and found that older patients (65+) do not have poorer outcomes compared to younger patients. The study also showed that disease type and status at transplant are key prognostic variables for survival.
UC Davis researchers are exploring a new gene therapy approach to cure AIDS by replacing HIV-infected immune cells with HIV-resistant ones. They plan to conduct safety and efficacy trials using a mouse model before moving on to human clinical trials.
The Linheng Li Lab has identified the precise location of the bone marrow stem cell niche, building on previous discoveries. The findings reveal a special zone that includes both osteoblastic and endothelial components, which maintains HSCs in their resting state and promotes expansion in response to stressors.
Researchers at UCLA have discovered that blood stem cells are made by endothelial cells during mid-gestational embryonic development. This finding has significant implications for the treatment of blood disorders and cancers, as it could lead to new therapies for conditions such as leukemia.
Researchers at Tufts University have discovered that changes in membrane voltage control the timing of differentiation in adult human stem cells. The study found that hyperpolarization is a characteristic of differentiated cells and acts as an instructive signal to induce or inhibit differentiation.
Researchers have effectively repaired damaged heart muscle using a novel population of stem cells derived from human skeletal muscle tissue. The transplanted myoendothelial cells improved heart function and reduced scar tissue, showing promise for regenerative medicine therapies.
Researchers successfully produce pure insulin-producing cells from mouse embryonic stem cells, showing efficacy in treating diabetes in lab models. The findings provide proof of principle for applying this strategy to human ESCs and offer avenues for further research.
Researchers at the University of Utah are enrolling patients in a clinical trial using their own bone marrow cells to regenerate heart muscle and improve blood flow. The study aims to improve heart function and quality of life for those with congestive heart failure.
Researchers from Cedars-Sinai Heart Institute will share findings on regenerating heart tissue using stem cells, a mutant gene therapy strategy to protect against heart disease, women's rapid onset of heart disease, and the effectiveness of new medication prasugrel in preventing ischemic complications.
Researchers at Yerkes National Primate Research Center discovered dental pulp stem cells can stimulate growth of neural cells, showing therapeutic potential for diseases like Huntington's and Parkinson's. The study suggests dental pulp stem cells may be used in cell therapy and regenerative medicine.
Researchers at USC have identified Ryk protein as a key regulator of neural stem cell differentiation into neurons. The study provides insight into potential therapies for neurodegenerative disorders and cancers, with implications for regenerative medicine and cancer treatments.
Researchers have identified two small molecule compounds, BIX and BayK, that can replace conventional reprogramming genes, enabling the selective reprogramming of general cells into pluripotent stem cells. This breakthrough technology offers a more precise control over the process and has distinct advantages over genetic manipulation.
Researchers at Stanford University School of Medicine discovered that Wnt-responsive cells in embryoid bodies spontaneously form a primitive streak, which is a hallmark of gastrulation. The study suggests that understanding this process can help direct the differentiation of embryonic stem cells for therapy.
Scientists at Karolinska Institutet discovered skin stem cells can divide actively and transport themselves through skin tissue, contradicting previous assumptions. The study's findings also suggest a link between hedgehog signaling and the development of basal cell carcinoma, the most common form of skin cancer.
Research reveals a connection between mitochondrial activity and stem cell differentiation, with high-metabolism cells more prone to forming tumors. Administering a mitochondrial inhibitor reduced teratoma capacity in these cells, suggesting a potential therapeutic strategy.
Researchers at Stanford University School of Medicine have pinpointed the crucial role of Rb proteins in regulating blood stem cell division, finding that blocking their function leads to abnormal proliferation and immune system disruption.
Researchers at Einstein and Montefiore will focus on developing new therapies for Alzheimer's, diabetes, Parkinson's, ALS, and other conditions. They aim to create unique stem cells derived from patients with blood diseases like sickle cell anemia and hemophilia.
Research shows corneal epithelium contains stem cells that generate two different epithelial tissues, contradicting prevailing opinion. These cells are activated in everyday renewal, while limbal stem cells respond to serious injuries.
The Broad Institute will create comprehensive epigenomic maps of human cells, including embryonic stem cells and adult stem cells. The five-year grant aims to transform the understanding of gene expression control using cutting-edge technologies like ChIP-Seq and HTBS.
A recent survey found that most infertility patients support using leftover embryos for stem cell research, with 73% in favor. However, there is a growing demand from patients who want to sell their extra embryos to others, with 56% approving of the practice.
Two UC San Diego faculty members, Karen Christman and Seth J. Field, received $1.5 million grants from the NIH to support their cutting-edge research in tissue engineering and lipid signaling molecules. Their projects aim to improve human health through regenerative medicine approaches.
Researchers at Children's Hospital of Pittsburgh have identified pericytes as a promising source of multipotent adult stem cells. These cells can be extracted easily from blood vessels and grown in culture to produce various types of tissues, including bone, cartilage, and muscle.
Researchers at Indiana University discovered that healthy endothelial cells lining blood vessels can reduce the tendency of precursor cells to develop into fat cells. This finding could lead to new treatment options for cardiovascular diseases and obesity.
Scientists have made a breakthrough in treating spinal cord injuries by manipulating stem cells to promote nerve regeneration. The research focused on astrocytes and found two distinct sub-types with robustly different effects when transplanted into injured adult nervous systems, offering hope for victims of paralysis.
Scientists have identified distinct gene combinations that define different stem cell types, revealing a single key factor controlling their behavior. This breakthrough has significant implications for manipulating and engineering stem cells to treat human degenerative disorders.
Researchers at Stanford University School of Medicine confirmed that satellite cells harbor an elusive muscle stem cell, which can self-renew and give rise to specialized progeny. This discovery has profound therapeutic implications for disorders like muscular dystrophy and muscle wasting due to aging.