Articles tagged with Blood Cells
Hemophilia B can be treated for life with a single injection containing disease-free liver cells that produce the missing clotting factor. The finding uses stem-cell strategies and CRISPR/Cas9 gene editing to repair mutations in the patient's FIX gene, allowing normal blood clotting.
A team of scientists led by Alex Schier has developed a new method to trace the entire history of individual cell differentiation. They discovered that cells can leave their initial path and change their identity, leading to a more flexible developmental program than previously thought.
Researchers have discovered a balance between two sets of transcription factors that instruct blood vessel cells to become blood stem cells during embryonic development. The findings could aid research into creating new blood cells for transplants and understanding cancer metastasis.
Researchers developed a novel non-invasive diagnostic method for endometriosis based on menstrual blood, reducing the need for invasive abdominal surgery and improving early diagnosis. The study found that stem cells in menstrual blood of women with endometriosis were different from those of healthy women.
Researchers at Duke-NUS Medical School investigated the role of phosphatidylinositol lipids and proteins in asymmetric cell division, a process vital for producing mature brain cells. They discovered a new protein called Vibrator, which plays a key role in this complex process.
Researchers created a detailed molecular atlas of brain blood vessels and the life-essential blood-brain barrier, providing new knowledge on cell functions and disease involvement.
Researchers found a connection between oxygen deprivation in bone cells and abnormally heavy bones, as well as low glucose levels. This discovery may lead to new treatments for conditions like osteoporosis, diabetes, and obesity.
A recent study by KAUST researchers reveals that CD34, a protein used to identify blood-forming cells, also binds adhesion molecules in the bone marrow. This binding aids in proper engraftment of blood-forming stem and progenitor cells following transplantation.
Scientists tagged bone marrow cells with a genetic label to track their family tree as they form naturally. The study reveals differences in how stem cells behave in their native environment versus laboratory settings, with implications for blood cell transplantation and gene therapy.
Scientists have made breakthroughs in understanding the early stages of CAVD by studying pig valves and creating a lab model. They found that certain sugar molecules called glycosaminoglycans (GAGs) can increase blood vessel growth, but also trap low-density lipoprotein (LDL) molecules.
Researchers at the Salk Institute have discovered a multifunctional role for the protein nup98 in blood cell development, enabling immature stem cells to differentiate into specialized mature cell types. The findings also shed light on the mechanism of leukemia formation and its potential treatment.
Researchers found that a dengue virus protein disrupts the protective lining of blood vessels, leading to severe disease symptoms. The underlying mechanism appears to be disruption of glycocalyx components, paving the way for new potential treatments.
A phase two trial showed improved motor function in children with spastic cerebral palsy who received an infusion of their own umbilical cord blood cells. The improvements were greater than those seen in children receiving lower doses or a placebo, and exceeded expected gains from traditional therapies.
Researchers found that blood flow sends signals for heart 'cushion' cells to become fully formed valves through KLF2-Wnt signaling. This discovery supports an epigenetic explanation for common congenital valve defects.
Scientists at Emory University School of Medicine have developed a method for generating endothelial cells from human induced pluripotent stem cells, which can survive for over 10 months when surrounded by a supportive gel. This breakthrough could lead to new treatments for peripheral artery disease.
Researchers debunk previous claims of preserved dinosaur blood, showing degraded organics in fossils rather than actual cells. Experimental treatments demonstrate keratin degradation into foul-smelling fluid under simulated burial conditions.
Researchers at Rutgers University created brain cells from blood samples of individuals in a three-generation family with Tourette syndrome. The study found that a mutation in the PNKD gene is likely the cause of the disorder, which affects one in every 100-150 people in the US.
Researchers at St. Jude Children's Research Hospital found that hundreds of precursor cells, not just a handful, are involved in establishing the blood system before birth. This discovery has clinical implications, as understanding how the blood system emerges can help unravel the origins of disease and identify susceptible cells.
A CCNY-led research team has discovered a new type of organelle, MSEVs, in the venom of a parasitic wasp. These mixed strategy extracellular vesicles have prokaryotic and eukaryotic properties and are involved in killing fruit fly blood cells by invading their immune system.
Researchers found that cell fate decision is not a unique programmed event, but rather the outcome of a dynamic process where cells explore different molecular possibilities before reaching a stable state. This process is reminiscent of trial-and-error learning and highlights the complexity of human hematopoietic cell fate commitment.
Researchers identified potential kidney damage from aggressive blood pressure treatments in mice and patients with high blood pressure. The study found that blocking renin cells, which are sometimes targeted in treating high blood pressure, can cause obstructive vascular lesions in the kidneys.
Researchers have developed a gene-editing technique using CRISPR that can introduce beneficial mutations into blood cells, potentially treating sickle cell anaemia and other blood disorders. The British-198 mutation already exists in nature and has been shown to boost foetal haemoglobin production.
Researchers from Virginia Tech and University of Pittsburgh School of Medicine have developed a new method to study the role of biomechanical forces in diseased pathologies. The technique, called nanonet force microscopy (NFM), measures single cell-fiber forces under both passive conditions and disease conditions.
Researchers at UCSB used star ascidian to study the interaction between cells and their physical environment, finding a mechanism that allows blood vessels to shrink without impeding blood flow. This discovery has implications for understanding cellular development and metastasis in cancer.
Researchers identify the developmental pathway of human vasculature and discover cell markers to distinguish between different types of vascular cells. This breakthrough provides a blueprint for engineering blood vessels in the lab for disease modeling, drug screening, and therapeutic purposes.
Researchers at UVA Health System discover that a single type of stem cell turns into both blood and heart tissue, shedding light on cause of ventricular non-compaction cardiomyopathy. The S1P1 gene is vital for proper heart formation.
Researchers created custom cells that produce insulin when illuminated by far-red light, allowing for remote control via smartphone application. This innovation enables instant feedback between therapeutic cells and diagnostic devices, promoting stable blood glucose levels in diabetic animals.
Researchers identified 163 early mutations in human development from adult cell genomes, revealing the dominant and minor cells that lead to different body tissues. These 'archaeological traces' of embryonic development provide unprecedented insights into human development.
Scientists have developed biomaterials that can mimic the characteristics of bone marrow, allowing them to alter blood cell development. The study's findings hold promise for treating hematopoietic cancers such as leukemia and improving our understanding of bone marrow failure.
A new study links mutations in blood cells to atherosclerosis, a leading cause of death in the elderly. The research found that accumulated DNA mutations in hematopoietic cells contribute to plaque formation and inflammation.
Researchers successfully grew functional human stomach and intestinal tissues using pluripotent stem cells, enabling the study of diseases such as gastric cancer. The discovery allows for the modeling of new treatments and understanding of human development and health.
Researchers at Cincinnati Children's Hospital Medical Center found that overexpression of TRAF6 in hematopoietic stem cells drives the onset of myelodysplasia syndromes, a group of pre-malignant disorders leading to blood cancer if untreated. Potential treatment targets for MDS include TRAF6 and related proteins.
Bielefeld University physicists develop new method to study biological cells using optical tractor beams, allowing for superresolution images of DNA in single bacteria. The technique enables researchers to rotate and move bacterial cells at will, enabling the study of three-dimensional cellular structures.
Researchers compared three types of adult stem cells from 14 patients to determine their cardiac repair potential. Right atrial stem cells had the greatest protective effect on heart muscle cells, while ventricular stem cells promoted new blood vessel formation.
A Lund University research team identified high levels of reactive oxygen species in newly generated blood stem cells from pluripotent stem cells, damaging their function. The researchers developed a cocktail to reduce oxidative damage, resulting in over twenty times more blood stem cells that could grow.
Researchers develop targeted epigenetic approach to treat aggressive forms of leukemia by inhibiting key chromatin regulators. This method demonstrates promising results in reversing leukemia-causing gene activity and promoting normal blood cell development.
Researchers at the University of Minnesota found that endoglin modulates key signaling pathways to favor early cell differentiation into blood cells over the heart. High levels of endoglin expression enhance blood cell development, while cardiac cells are in deficit. The study's findings provide new insights into mechanisms regulating ...
Researchers find Gli1 positive stem cells, which can become smooth muscle cells, bone-building osteoblasts, and other connective tissues, contribute to vascular calcification. The study provides insights into the active process behind calcified blood vessels in chronic kidney disease.
Researchers have identified a crucial protein complex in hematopoiesis, the process of creating healthy blood cells. MED12 mutations are linked to several cancers, including leukemia and prostate cancer. Deleting this protein complex disrupts blood cell growth and leads to cancer.
Researchers found that the expression of specific genes and DNA methylation patterns, such as IFG2 and reduced aberrant methylation, are better indicators of iPS cell differentiation to hematopoietic cells. This discovery suggests a more efficient method for producing high-quality blood cells through reprogramming.
Biophysicists at FAU discover that plastic cell deformation is caused by microscopic damage to the cytoskeleton. This finding helps characterize diseased cells more accurately, enabling better understanding of cancer, lung diseases, and heart diseases.
Researchers identify Cloche, a bHLH-PAS transcription factor, as the key gene controlling blood vessel and blood cell development in embryos. The discovery, made after 20 years of searching, has significant implications for regenerative medicine and personalized stem cell therapy.
Researchers at Vanderbilt University discovered that mutant mtDNA behaves 'selfishly', benefiting itself while harming its host, causing diseases. The study found molecular mechanisms that allow mutant mtDNA to evade cellular regulation, paving the way for drug development.
Researchers have created an atlas of gene expression during early mammalian development using single-cell sequencing. This new tool allows for direct observations of individual cells, enabling scientists to map healthy cells against those with genetic abnormalities, shedding light on the causes of birth defects.
Researchers found that 30% of induced pluripotent stem cells were genetically unstable and not safe for clinical use. Despite this, a large set of iPSCs met quality standards, and the study established an online database to support further research.
Research links loss of Y chromosome in blood cells to increased risk of developing Alzheimer's disease in men. A study of over 3,200 men found that those with an existing diagnosis of AD had a higher degree of lost Y chromosome, and LOY was also a marker for the likelihood of developing the disease.
Researchers found that men with blood cells lacking a Y chromosome are at increased risk of developing Alzheimer's disease. The study analyzed over 3,000 men and discovered that those with higher levels of lost Y chromosomes were more likely to be diagnosed with Alzheimer's.
Researchers at Uppsala University found that men with Y chromosome loss in blood cells are at higher risk of developing Alzheimer's disease. The study, published in the American Journal of Human Genetics, suggests a potential simple test to identify those at risk.
Researchers found that long-term PPI use damages blood vessel cells by accelerating biological aging and impairing acid production. The study suggests that PPIs may not be suitable for extended treatment and highlights the need for re-evaluation of their safety and specificity.
New research suggests that heat-based exercise is a more efficient means of improving altitude tolerance than normobaric altitude training. Heat-based training reduced physical strain and improved time-trial performance in cyclists, with similar effects on blood cells as low-oxygen training.
Research finds that blood vessels grow thicker or branch based on collective cell behavior and oscillating signals, providing new insights into diseases like diabetes and cancer. The discovery could lead to therapies that renormalize blood vessels or inhibit their growth.
Scientists have confirmed that as people age, they accumulate gene mutations in their mitochondria, which can limit energy production and impair cellular function. Researchers recommend screening stem cells for mitochondrial DNA mutations to ensure their therapeutic value.
Scientists at the Wellcome Trust Sanger Institute found that induced pluripotent stem (iPS) cells acquire fewer genetic mutations than lab-grown blood cells, reducing the risk of cancer. The study tracks the genetic history of iPS cells and provides insights into the mechanisms behind mutation rates.
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 Birmingham have identified key regulators of blood cell development using a 'big data' approach. By studying six consecutive stages of development, they discovered previous unknown regulators and explained how regulatory elements work together to drive gene expression and stage transitions.
A research group led by Makoto Kobayashi has shed light on the mechanism of hemangioblast differentiation into blood cells and vascular endothelia. LSD1 histone demethylase plays a crucial role in silencing Etv2, a transcription factor gene required for hemangioblast formation.
Researchers from the University of Helsinki found that the donor's genotype determines the differentiation behavior of iPS cells, regardless of the original cell type. This discovery has significant implications for biobanking and medical research, enabling the use of diverse donor samples to study genetic variations.
New research shows that factors in the blood from calorie-restricted rats can modify energy-producing mitochondria within insulin-producing cells, protecting them from glucose toxicity. The findings suggest a potential therapeutic target for type 2 diabetes and new interventions against the disease.
A recent study suggests targeted alpha therapy could be effective in eliminating HIV-infected cells in the central nervous system. The therapy uses a specific human antibody labelled with bismuth-213 to target and destroy infected cells while sparing healthy ones.
Researchers at Duke University have discovered that umbilical cord tissue-derived cells produce molecules that promote the growth, connection, and survival of retinal neurons. The study identifies thrombospondins as key players in this process, with potential therapeutic applications for degenerative eye diseases.