Articles tagged with Stem Cell Research
The article highlights protocols for characterizing epigenetic marks in native chromatin, investigating embryogenesis in Xenopus laevis, and cloning techniques. These methods provide insights into gene activity, cellular reprogramming, and disease states.
Researchers at UC San Diego report that grafting human spinal stem cells into paralyzed rats restored ambulatory function within six weeks. The study demonstrates the potential of stem cell therapy to reconstruct neural circuitry and treat debilitating muscle spasticity.
A study led by researchers at the University of Pittsburgh School of Medicine found that muscle-derived stem cell injections strengthened sphincter muscles, improving bladder control and quality of life for women with stress urinary incontinence. The treatment was safe and effective, with long-term improvements observed.
Researchers have made significant breakthroughs in stem cell treatment options, including isolation of human spermatoogonial stem cells and use of autologous adipose-derived stem cells. Studies also show promise for engineered bladder tissue and muscle-derived cell injection in treating stress urinary incontinence.
A FSU engineering professor is developing technologies to generate bone cells in a lab that can be transplanted into human patients. The goal is to replace lost bone mass due to osteoporosis and treat traumatic injuries. Research has shown promising results, but significant hurdles remain before the technology is ready for medical use.
Researchers at University of Cincinnati have found that bone marrow stem cells can differentiate into keratocan-producing cells, potentially treating abnormal corneal cell growth. The study showed that injected stem cells altered the shape and healed abnormal corneas in animal models within a week
The California Institute for Regenerative Medicine (CIRM) regulates $3 billion stem cell research with 'high ethical standards' and five objectives. CIRM-developed regulations include informed consent processes for human embryonic stem cell research, protecting oocyte donors' rights.
Janet Rossant and Anne McLaren receive March of Dimes Prize in Developmental Biology for their pioneering work on mammalian reproduction and development using the mouse model. Their research has significantly advanced understanding of birth defects, genetic predispositions, and reproductive technology.
A recent study published in Cell Stem Cell found that nearly half of couples who underwent in vitro fertilization (IVF) chose to donate their surplus embryos for stem cell research. The key factor was a clear explanation of the options, which helped couples navigate the legal situation and address concerns about donation.
Dr. Battey's dedication to the chemical senses has led to significant contributions, including leadership in trans-NIH scientific efforts and support of promising young investigators. He will receive the Distinguished Service Award from AChemS for his record of outstanding service.
A recent study found that stem cell identity in culture is highly dependent on the surrounding environment, challenging traditional views of differentiation. Researchers suggest that this context-dependent approach could lead to more efficient stem cell culture methods and potentially even develop stem cells from differentiated cells.
Recent studies have found that PTEN and HER2 genes regulate self-renewal and invasion of human mammary stem cells, making them potential targets for breast cancer treatment. Additionally, radiation therapy may contribute to leukemia risk by recruiting hematopoietic stem cells into the irradiated bone marrow.
Researchers have developed an in vitro model of ALS using embryonic stem cells, providing insights into the disease's mechanisms. The studies suggest that astrocytes may be toxic to motor neurons in ALS, offering a potential target for new therapies.
Researchers found that astrocytes, carrying a mutated gene, induce motor neuron death in ALS patients. The study suggests that targeting these cells may lead to effective therapies and earlier diagnoses. This discovery could involve transplanting embryonic stem cells to replace damaged neurons.
A study by Pittsburgh scientists found that female stem cells have a greater ability to regenerate skeletal muscle tissue than male cells. The researchers isolated female and male muscle-derived stem cells and tested their regenerative capabilities in dystrophic mice. Female stem cells were more efficient at regenerating skeletal muscl...
Scientists at Case Western Reserve University have isolated cochlear stem cells, which may regenerate damaged hair cells and restore normal hearing. The discovery offers a potential therapy for noise-induced and genetic hearing loss affecting millions worldwide.
Using adult bone marrow stem cells, researchers successfully regenerated healthy liver tissue in patients, doubling the liver growth rate and allowing for earlier surgical resection. This therapy has potential as a treatment for regenerating livers damaged by other chronic and acute diseases.
The San Diego Consortium for Regenerative Medicine has received six grants totaling $16.479588 to conduct life-saving human embryonic stem cell research, including work on brain repair and spinal injuries. The consortium aims to develop cures and therapies for devastating diseases like Parkinson's and Alzheimer's.
Scientists at USC have identified a small molecule, IQ-1, that prevents embryonic stem cells from differentiating into specific cell types. This discovery allows for the potential growth of human stem cells without risk of contamination from mouse feeder cells.
The California Institute for Regenerative Medicine has awarded $6 million in comprehensive grants to the Burnham Institute for Medical Research to support long-range stem cell studies aimed at developing new treatments for heart disease and brain repair. The funds will enable researchers to develop a supply of nerve cells for brain rep...
Three UCI projects focus on mitochondria, spinal cord injuries and genetic manipulation of human embryonic stem cells. Researchers aim to develop therapies and treatments for degenerative diseases and cancers.
The University of Wisconsin is conducting a clinical trial using adult stem cells to treat severe coronary artery disease. The study aims to investigate the efficacy and safety of blood-derived selected stem cells in improving symptoms and clinical outcomes in patients with chronic myocardial ischemia.
The study identifies centrosome asymmetry as a key regulator of asymmetric stem cell division, ensuring the correct differential identity of resulting cells. This complex behavior is precisely regulated, coinciding with the orientation in which the stem cell must divide to guarantee asymmetry.
Mayo Clinic researchers successfully transplanted cardiac preprogrammed embryonic stem cells into diseased hearts, regenerating infarcted heart muscle without tumor formation. The study establishes a tumor-resistant approach to growing new heart tissue from an embryonic stem cell source.
Researchers have developed a technique to encourage survival and growth of adult stem cells, found in many tissues, which hold great promise for treating injuries and some diseases. The study's findings suggest that by manipulating the environment surrounding the cells, certain growth factors can protect them from pro-death signals.
Researchers identified Jumonji proteins essential for cellular differentiation, inactivating genes critical to embryogenesis. The study uses C. elegans and mouse embryonic stem cells, with potential applications in cancer treatment using inhibitors.
Researchers successfully produced neurons in vitro using stem cells from adult human skin, a breakthrough that could lead to revolutionary advances in treating neurodegenerative diseases like Parkinson's. The method used involves extracting neuron precursor cells from skin samples and cultivating them in an appropriate environment.
UCLA scientists have been awarded $4 million in seed grants to fund innovative research projects on human embryonic stem cells. The Institute for Stem Cell Biology and Medicine at UCLA will utilize these funds to explore various aspects of human embryonic development, immune response, and cell differentiation.
Researchers at Stanford University School of Medicine are exploring stem cell transplants as a potential treatment for hearing loss. The goal is to develop a cure for deafness, with a focus on drug therapy and stem cell transplantation into the inner ear.
Researchers at USC's Keck School of Medicine and Childrens Hospital Los Angeles will explore the therapeutic potential of stem cells in retinal degeneration and Ewing's sarcoma. The $3.4 million grant aims to accelerate discoveries in stem cell research.
Six UCI scientists received CIRM SEED grants to study human embryonic stem cells in various diseases, including muscular dystrophy and mitochondrial dysfunction. The research aims to develop therapies for patients suffering from these conditions and improve the therapeutic potential of human embryonic stem cells.
The California Institute for Regenerative Medicine (CIRM) has awarded $5.9 million to the Burnham Institute for Medical Research to launch innovative stem cell research projects. The funding will support studies in heart disease, Parkinson's, cancer, and neural development, among other areas.
Researchers at the University of Pennsylvania have successfully used uniparental embryonic stem cells to repopulate a damaged organ with healthy cells in adult mice. This breakthrough could provide a less controversial alternative to traditional embryonic stem cell therapy, and may offer therapeutic benefits for both males and females.
Stem cells in fruit fly gut use Notch signaling to replenish specific cell types, with Delta protein controlling cell fate and division. This finding transforms basic understanding of stem cells and could prove valuable in cancer research.
Researchers at Rockefeller University have cloned healthy mice from adult stem cells, a breakthrough that could lead to new therapies and treatments. The successful cloning rate was 1.6% when using female skin stem cells, but higher when using male stem cells, opening up potential for future human applications.
Researchers found lower transplant rates in African-Americans compared to Caucasians, even when using self-donated or relative-donated stem cells. The discrepancy may be attributed to various factors, including differences in insurance coverage, cultural attitudes, and physician biases.
Duke University researchers developed a three-dimensional fabric scaffold for cartilage repair using patient stem cells. The new technology could treat larger areas of cartilage damage and provide more effective results than current therapies.
Researchers at the University of Minnesota successfully used adult stem cells to replace the immune system and bone marrow of mice, offering a promising new therapy for people in the future. The study replicated previous findings and demonstrated that multipotent adult progenitor cells (MAPCs) can give rise to blood cells.
A new study has identified a gene that regulates adult stem cell growth, which could lead to increased doses of chemotherapy and faster recovery times for cancer patients. The discovery also opens up possibilities for treating other diseases such as liver disease and diabetes.
Researchers discovered that stem cell activity decreases with age due to reduced division, not a lack of starting material. The finding offers new avenues for combating cognitive decline and neurodegenerative disorders like Alzheimer's disease.
Researchers found that an enzyme called aurora-A is required to coordinate protein position within neural stem cells, and its absence leads to overproduction of new neuroblasts and tumors. In humans, this enzyme may prevent abnormal tumor growth by maintaining a steady population of stem cells.
Researchers found that mice with severely damaged brains showed substantial mending within weeks after losing specific genes. The repair was attributed to neural stem cell 'escapees' that retained or restored the gene activity, enabling regenerative potential.
A Pittsburgh-based research team has created an innovative ink-jet system to print bio-inks that direct muscle-derived stem cells to differentiate into both muscle and bone cells. This technology could revolutionize the design of replacement body tissues, benefiting millions of people with damaged tissues due to various conditions.
Researchers at St. Jude Children's Research Hospital found that harvesting aggressive stem cells from donated bone marrow can reduce the time it takes for a child's immune system to rebuild after a bone marrow transplant. This could lead to lower risk of fatal virus infections and improved long-term outcomes.
A sugar molecule called SSEA-4 has been found on the surface of adult stem cells in bone marrow, which give rise to fat, cartilage, and bone. This discovery may help isolate and purify these cells for use in therapies aimed at bone healing, tendon repair, and cartilage regeneration.
A simpler, cheaper method for cell fusion has been developed by Chang Lu at Purdue University, enabling researchers to fuse cells with greater control and precision. The new technology uses constant DC voltage and could lead to breakthroughs in stem cell research, disease antibody production, and cloning.
A study published in Nature demonstrated TB4's ability to regenerate coronary vessels in mice, a finding that could lead to new treatments for human heart disease. TB4 may prevent loss of heart muscle cells and restore blood flow, providing a much-needed treatment modality.
Researchers at Columbia University Medical Center present several studies on cardiovascular diseases, including the molecular roots of atrial fibrillation, genes influencing heart transplant rejection, and the cost of end-stage heart failure. Additionally, they explore the potential of stem cells to repair cardiac damage in patients wi...
Researchers at Johns Hopkins Medicine have successfully grown and implanted adult pig stem cells to repair damaged heart tissue after a lab-induced heart attack. The study demonstrates proof of principle for using cardiac stem cell therapy to regenerate infarcted heart muscle and restore heart cell function.
Researchers discovered that stem cells communicate with niche cells through the Notch pathway, leading to increased niche cell production and larger stem cell populations. This two-way dialogue enables stem cells to maintain an active niche, which is essential for their self-renewal and differentiation into specialized cells.
Researchers at Scripps Research Institute have discovered a synthetic compound called pluripotin that maintains the youthfulness of stem cells without the need for feeder cells. This breakthrough accelerates stem cell research and holds promise for developing new therapies for diseases like cancer and Parkinson's.
Researchers at the University of Pittsburgh are exploring the use of fat-derived stem cells for breast reconstruction, aiming to create durable replacement soft tissue. The study, led by Dr. J. Peter Rubin, may provide a safer option for breast cancer patients, avoiding invasive surgery and potential risks.
Researchers at UC Berkeley used mechanical stretching to guide bone marrow stem cells towards becoming smooth muscle tissue, similar to that found in blood vessels. The study suggests that a combination of chemical and mechanical factors will be needed to achieve efficient cell differentiation.
Researchers at Duke University Medical Center have found that cancer stem cells in brain tumors activate a 'repair switch' that enables them to continue growing unchecked after radiation treatment. A method to block this process has been identified, offering hope for developing therapies to overcome radiation resistance.
Researchers have identified Tcf3, a transcription factor that regulates skin stem cells, as a key repressor switch. Activating this gene can prevent skin stem cells from maturing into adult skin cells, potentially providing insights for lab-grown stem cells and therapies.
Researchers have successfully cloned mice using fully differentiated blood cells, disproving the need for adult stem cells in the process. The study found that these cells were more efficient than stem cells or progenitor cells, paving the way for new approaches to animal cloning.
Researchers at Duke University Medical Center identified the SOX2 gene as crucial for taste bud development, revealing its role in stem cell transformation and cellular differentiation. The findings may lead to a better understanding of developmental disorders and provide insights into how stem cells operate in adults.
The University of Rochester Medical Center is establishing a leading program in Cancer Stem Cell Research to discover cures for cancer. By studying the 'master cells' of this deadly disease, scientists aim to find underlying causes and develop therapies to target cancer stem cells.
Researchers at UW-Madison have developed DNA-coated stents that release gene-based therapy to prevent restenosis, a common problem with metal stents. Additionally, they've created microwell arrays to grow undifferentiated human embryonic stem cells with defined sizes and shapes.
Researchers from ISREC discovered that the Nodal protein, involved in embryonic development, maintains stem cells while also providing cues for their differentiation. This understanding is crucial for coaxing stem cells to grow into specific tissues outside the body and may hold the key to controlling cancerous stem cell behavior.