Articles tagged with Stem Cell Research
Stem cells can be stimulated to produce special cartilage that aids in repairing severely broken bones. Cartilage production helps bridge larger gaps and even transforms into bone throughout the lesion.
Researchers found that Zika virus activates the innate immune receptor TLR3, which leads to cell death in neural stem cells. However, inhibiting TLR3 helps infected cells survive and function normally.
Researchers at Johns Hopkins University developed a composite material that combines the strength of plastic with the biological information in natural bone. The 70% bone powder blend showed better bone formation than the 30% blend, but both were stronger and more effective than pure PCL.
Researchers propose revisiting the internationally recognized '14-day rule', which restricts in vitro research on human embryos. The rule has been theoretical until now, but technological advancements have enabled scientists to sustain human embryos in vitro for up to 14 days, raising questions about its relevance and implications.
Researchers plan to use stored tissue samples, cell lines, and sperm to develop stem cell technologies and create viable northern white rhinoceros populations. The ultimate goal is to establish self-sustaining populations in several decades.
Marina E. Emborg and Eng H. Lo received the 2016 Bernard Sanberg Memorial Award for Brain Repair for their outstanding contributions to neurodegenerative disorders and stroke research. Their work focuses on developing safe neuroprotective strategies using stem cells and advanced imaging techniques.
A new literature review assesses the benefits of stem cells for treating spinal cord injuries. Different types of stem cells show varying degrees of effectiveness in restoring function, and an ideal treatment protocol remains unclear.
Research found that heterochromatin organisation in embryonic stem cells is maintained in an open form through the action of key stem cell factors. This open architecture may contribute to keeping stem cells unspecialised and full of developmental potential.
Breast cancer cells challenged with a small-molecule inhibitor targeting specific invasive properties switch to an alternative mode-of-action, rendering them even more aggressive. The results suggest that inhibiting one pathway may not block all aggressiveness in breast cancer cells.
Scientists at McMaster University have made a breakthrough in understanding the regulation of human blood stem cells, allowing for better control and regeneration. The discovery could lead to more people receiving treatment for life-threatening diseases, reducing healthcare costs and wait times.
Researchers have confirmed Zika's toll on fetal cortex using lab-grown mini-brains that mimic human brain development. The study found that Zika infection occurs early in pregnancy leads to severe effects and can affect neurons later on.
A team led by John P. Cooke identified reactive oxygen species as critical to the transformation of adult somatic cells into induced pluripotent stem cells (iPSCs). The researchers discovered that a 'Goldilock's zone' of free radical generation is optimal for iPSC production, with too little or too much ROS impaireding colony formation.
A USC study shows how skeletal stem cells form the blueprint of the human face by regulating cartilage and bone growth. The research identified two critical signaling pathways, Jagged-Notch and Endothelin1 (Edn1), which control when stem cells transform into facial cartilage.
Researchers at Johns Hopkins Bloomberg School of Public Health have discovered a way to encourage adult stem cells to proliferate and differentiate into testosterone-producing cells. The findings could lead to the development of transplantable cells that can produce testosterone, avoiding side effects associated with current treatments.
Scientists have successfully extracted stem cells from a 50-year-old test subject's fatty tissue, applied genetic reprogramming, and produced mature, insulin-producing beta cells. The researchers' technique has the potential to treat diabetes by implanting new functional beta cells made from the patient's own adipose tissue.
Researchers found that microvesicle injections restored cognitive function and protected neurons in rats without adverse side effects. Microvesicles isolated from human neural stem cells were used instead of traditional stem cells to reduce risks such as immunorejection and tumor growth.
Investigational stem cell therapy derived from a patient's own blood marrow significantly improved outcomes in patients with severe heart failure. The study found that the treatment reduced deaths by 37% and hospitalizations by 49% compared to placebo.
Scientists create miniature retinal organoids that mimic the structure of real retinas, offering new perspectives on retina growth, injury, and repair. The protocol increases yield by up to 4-fold compared to previous methods, enabling researchers to study retinal disease mechanisms and develop therapies for age-related blindness.
A new handheld 3D printing device has been developed to create bespoke scaffolds for cartilage repair, with cell survival rates in excess of 97%. The BioPen allows surgeons to sculpt customised implants during surgery, addressing the challenge of precise geometry.
The study found that the AXL surface receptor is highly abundant on human neural stem cells, but not on neurons in the developing brain. This discovery suggests that the Zika virus may be able to hijack this receptor to infect vulnerable cells, leading to devastating cases of microcephaly and eye lesions.
Researchers demonstrate that iPSCs can differentiate into multiple types of functional lymphocytes, including CD4+ T cells, B cells, and natural killer cells. The ability to generate functional lymphocytes from somatic cell-derived hematopoietic stem cells supports the clinical application of iPSC technology.
Researchers at IUPUI have successfully identified cellular processes related to glaucoma using stem cells derived from human skin cells. The study found that skin cells from individuals with glaucoma became unhealthy and died off faster than those of healthy individuals when reprogrammed into retinal ganglion cells.
A study by Lund University researchers has identified four key genes that govern the growth and multiplication of blood stem cells. The discovery sheds light on how to expand these cells for transplant and potentially develop new cancer treatments.
Scientists have developed a novel approach to track neural stem cells using microscopic iron beads and magnetic resonance imaging, allowing for non-invasive tracking without harming the cell. The findings focus mainly on neural stem cells but also show potential for use with mesenchymal stem cells.
Studies presented at the Eighth Annual PPSSC Conference showcased advancements in targeting stem cells, adipose-derived stem cell plasticity, and melanoma immunotherapy using genetically engineered iPSCs. These breakthroughs hold promise for developing effective treatments for regenerative medicine and cancer
A $6.3 million CIRM grant will fund stem cell trials to rescue and restore neurons devastated by ALS. The goal is to extend motor neuron survival, adding years to fulfilling life for patients.
Researchers at The Hebrew University of Jerusalem have successfully generated a new type of embryonic stem cell carrying a single copy of the human genome. These haploid stem cells are pluripotent and retain a single set of chromosomes, offering a powerful tool for genetic analysis and potential therapies for diseases.
Researchers at Columbia University Irving Medical Center have successfully generated a new type of human embryonic stem cell carrying a single copy of the human genome. These 'haploid' stem cells show potential as a powerful tool for genetic analysis in biomedical fields such as cancer research and precision medicine.
Researchers Qi-Long Ying and Austin Smith won the 2016 McEwen Award for Innovation for their discovery of inhibitory molecules that can mimic embryonic stem cells' ability to generate different cell types. Their work has opened new avenues of exploration towards understanding or treating human disease.
Australian scientists have developed a new method for harvesting stem cells that eliminates the need for growth factor injections, reducing side effects for donors. The new method combines two molecules to mobilize stem cells into the bloodstream within an hour of administration.
Researchers found that IGF2BP3 regulates various RNA messages contributing to the development of MLL-rearranged leukemia. The protein binds to and stabilizes hundreds of leukemia-promoting messages, leading to cancer cell growth.
Scientists at IRB Barcelona have identified two molecular signals and a pathway that allows differentiated cells to regain their stem cell properties. This discovery has implications for cell reprogramming, regenerative medicine, and understanding cancer.
Scientists have discovered how three key molecules interact to generate blood stem cells, a crucial step in developing new treatments for leukaemia and other blood disorders. The breakthrough could lead to personalised blood therapies and reduce the need for bone marrow transplants.
Scientists have developed a modified form of CRISPR that can silence genes in stem cells more efficiently and precisely than the original CRISPR-Cas9 system. This new technology allows for flexible gene suppression and reversal, enabling versatile investigations into genetic diseases.
A new treatment approach has been developed to remove congenital cataracts in infants and allow remaining stem cells to regrow functional lenses. The method produced fewer surgical complications and resulted in superior visual function compared to the current standard-of-care.
Researchers at Mount Sinai identified precursor cells in mice embryos that can be matured into hematopoietic stem/progenitor cells (HSPCs) using reprogramming technology. This breakthrough could lead to the development of patient-specific HSPCs for cell-replacement therapy and alleviate the need for transplantable stem cells.
Researchers at the University of Warwick have discovered a lack of stem cells in the womb lining is causing thousands of women to suffer from recurrent miscarriages. The team believes a new treatment could bring hope to those who have suffered failed pregnancies, correcting defects before pregnancy and potentially preventing miscarriages.
A Johns Hopkins Medicine research team found that Zika virus selectively infects and kills cells in the brain's cortex, leading to disruptions in cell division and growth. This discovery using lab-grown stem cells may lead to identifying potential therapies for protecting these susceptible cells.
Researchers have found that Zika virus infects a type of neural stem cell responsible for brain development, leading to cell death and disruption of growth. The study provides new insights into the potential effects of Zika on neural tissue and may lead to the development of therapeutics.
A high-fat diet drives a population boom of intestinal stem cells and generates a pool of other cells that behave like stem cells, leading to an increase in tumor formation. The researchers found that the high-fat diet changes the biology of both stem cells and non-stem-cell populations, ultimately resulting in more tumors.
Scientists have identified a crucial gene that regulates the activation of hair follicle stem cells, leading to increased hair growth but also wear and tear. In mice lacking this gene, hair follicles enter an overactive state, resulting in premature greying and balding.
Researchers found that a high-fat diet drives an increase in intestinal stem cells and stem-like cells, which can give rise to tumors. The diet also activates a nutrient-sensing pathway that promotes cell growth and mutations leading to cancer.
Researchers at Cedars-Sinai Medical Center have made a breakthrough in treating heart failure with preserved ejection fraction, a difficult-to-treat condition affecting millions. Cardiosphere-derived cells (CDCs) infused into laboratory rats reversed the condition, improving heart function and filling capacity.
A high-fat diet drives a population boom of intestinal stem cells and generates a pool of 'stem-like' cells that can give rise to tumors. The study suggests a link between high-fat diets and increased colon cancer risk by altering the function of intestinal stem cells.
Scientists have discovered that some human fat cells originate from stem cells in bone marrow, which could lead to new strategies for preventing and reversing fat-related chronic diseases. By manipulating the production of these cells, researchers hope to reduce the risk of conditions like cardiovascular disease and obesity.
Researchers at Scripps Florida Institute have developed a new method to predict the activity of stem cells in treating various diseases. The Clinical Indications Prediction scale uses TWIST1 levels to determine therapeutic potential, highlighting the importance of considering both angiogenesis and anti-inflammatory effects.
Researchers turned skin cells into cancer-hunting stem cells that destroy brain tumors known as glioblastoma, a breakthrough discovery in medical science. The technique increases survival time by 160-220% and has the potential to offer a new and more effective treatment for the disease.
Researchers assessed three methods of induced pluripotent stem cell production and found no significant risk of cancer-causing mutations. However, they warn that harmful mutations can accumulate later on as iPSCs multiply in lab cultures.
Researchers have discovered that tissue from the lower stomach has the greatest potential to be reprogrammed into beta-cell state. Engineered mini-organs produced insulin and refreshed themselves with stem cells, giving the tissue a sustainable regenerative boost.
A stem cell study published in Stem Cell Reports has discovered that the GBA1 mutation creates problems with protein processing and recycling in cells, leading to an accumulation of alpha-synuclein. This excess protein is released into the brain, contributing to Parkinson's spread and symptoms.
Researchers at St. Jude Children's Research Hospital have identified 17 new genes that regulate hematopoietic stem cell transplantation in mice. The study found that the Foxa3 gene plays a crucial role in repopulating blood-forming stem cells after transplantation, offering hope for improving transplant outcomes and reducing mortality.
Scientists have discovered that deactivating the MYC oncogene can induce a dormant state in embryonic stem cells, similar to diapause, allowing them to survive without growth or metabolism. This finding has implications for controlling cancer stem cells and metastasis.
Scientists at UCLA have developed a new approach using CRISPR/Cas9 to correct genetic mutations that cause Duchenne muscular dystrophy. The approach, which can be used in clinical trials within 10 years, has the potential to treat 60% of patients with the deadly disease.
Researchers at the University of Rochester Medical Center have identified a population of stem cells capable of repairing skull formation and craniofacial bone repair in mice. This discovery contributes to an emerging field involving tissue engineering that uses stem cells to replace damaged bones in humans.
Researchers at the University of Bath have developed a method to detect and preserve human pluripotent stem cells in the laboratory. This breakthrough allows for easier acquisition and cultivation of these rare cells, which can potentially be used to develop pioneering treatments for various diseases.
A team of scientists at UCL has discovered a way to fast-track the screening of induced pluripotent stem cells (iPSCs) using DNA methylation as a biomarker. This new approach can help identify 'good' and 'bad' cell lines, which is crucial for laboratory research and potential cell replacement therapies.
The study reveals that 5hmC mark acts as a key signal connecting complexes that regulate gene expression, influencing cellular differentiation and energy metabolism in embryonic stem cells. The findings suggest that 5hmC may play a central role in the coordinated evolution of chromatin-related proteins.
Researchers have successfully corrected a blindness-causing gene mutation in stem cells derived from a patient's skin cells, offering hope for personalized, precision medicine. The technology uses CRISPR/Cas9 gene editing to repair the damaged gene, and the corrected tissue can be transplanted without harm.
Scientists have developed a method to detect and preserve human pluripotent stem cells, which can become any cell type, for potential use in treating diseases. The technique allows researchers to isolate and maintain these cells, which are difficult to cultivate, using a reporter linked to fluorescent protein.
Researchers developed a potential therapy using adipose-derived stem cells to promote blood vessel growth and revascularization. The study successfully treated animals modeled with CLI, showing improved tissue reperfusion and reduced morbidity.