Articles tagged with Blood Cells
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Researchers at Washington University have developed a hydrogel system that preserves biochemistry and mechanical environments of cultured podocyte cells. This allows researchers to identify new ways to control mechanisms used by cells to heal themselves, potentially leading to therapies for currently incurable diseases.
Researchers have developed a new labeling technique to analyze exosomes from specific cell types, providing insights into their role in both health and disease. The technique allows for the identification of protein cargo and RNA in exosomes, enabling the study of cellular communication and potential monitoring of response to treatment.
Researchers have identified a potential new therapeutic approach for angioimmunoblastic T-cell lymphoma (AITL) by understanding the mechanism of its development. A team from the University of Tsukuba found that B cells accumulate mutations in genes controlling genetic material packaging, leading to AITL.
Researchers at National University of Singapore have identified S1P as a potent signaling molecule crucial for maintaining blood vessel integrity and function. The study highlights the importance of S1P export from blood cells and blood vessels in preventing complications and mortality related to vascular diseases.
Researchers at Georgia Tech have developed a new chip that can detect cancer metastasis in blood samples with high precision and scalability. The Cluster-Well chip uses microfluidic technology to isolate circulating tumor cell clusters, allowing for earlier and more targeted treatment.
Scientists aim to improve vein health for patients undergoing heart bypass surgery and dialysis. They discovered that two genes play a crucial role in smooth muscle cell differentiation, enabling veins to mature and function like arteries.
Researchers developed a new technique to track single blood stem cells in live organisms and describe their ultrastructure using electron microscopy. This allows for better understanding of cell-cell interactions and potential therapeutics for blood diseases and cancers.
Researchers found that DNMT3A and TET2 genes directly activate expression of a gene involved in mitochondrial inflammatory pathways. This activation leads to increased inflammation, which may exacerbate plaque buildup in atherosclerosis. Blocking these pathways could form the basis for new treatments.
Scientists at IRB Barcelona develop a new approach to pinpointing the genes driving clonal hematopoiesis, a biological process linked to ageing and increased risk of blood malignancies. By adapting cancer genomics tools, researchers aim to improve early detection and monitoring of this condition.
Researchers have identified a key chemical controlling hair follicle cell division and death, shedding light on a potential cure for baldness. The discovery also holds promise for speeding up wound healing by harnessing the regenerative properties of stem cells found in hair follicles.
A study by Goethe University Frankfurt found that antibodies against Omicron variants BA.1 and BA.2 decline rapidly, even after a second vaccination or booster shot, offering limited protection against infection.
Researchers found that men who lose their Y chromosome as they age are more likely to experience deadly heart scarring and earlier death. The study suggests an existing drug may help counteract the effects of this loss, potentially leading to longer, healthier lives for affected men.
Research from RCSI University of Medicine and Health Sciences found a link between high von Willebrand Factor levels and poorer breast cancer outcomes. High levels in the bloodstream can increase the risk of life-threatening blood clots and cancer spread in patients.
Researchers have identified a crucial role for two proteins YAP and TAZ in angiogenesis, the process of new blood vessel formation. They also found that this process is regulated by nutrient absorption and can be linked to vascular diseases like macular degeneration.
Researchers analyzed 139 patient blood samples to identify common mechanisms underlying COVID-19 recovery. They found that a gradual reduction in neutrophil counts and changes in molecular regulation of the immune system characterize the recovery process.
A nationwide study in Sweden found that receiving red blood cells from female donors does not increase the risk of death in transfused patients. The study controlled for lower haemoglobin levels in women's blood and found no difference in survival rates between male and female donors.
Researchers discovered that genetic mutations accumulated slowly over a lifetime lead to a shift in blood cell populations after 70, causing reduced diversity and impaired function. This finding explains the sudden deterioration in organ function after aging.
Researchers used heterochronic parabiosis to connect old and young mice, revealing key mediators of systemic rejuvenation. Aged stem cells in bone marrow were revitalized by exposure to young blood, regaining lymphoid differentiation potential.
Cornell researchers have designed a micro-sized artificial cilial system using platinum-based components that can control the movement of fluids at a scale similar to biological cilia. The technology could enable low-cost diagnostic devices for testing blood samples, manipulating cells or assisting in microfabrication processes.
Scientists have identified a retinoic acid-dependent hemogenic endothelial progenitor from human pluripotent stem cells, enabling the development of transcriptionally similar cells in tissue culture. This breakthrough method brings researchers closer to developing blood-forming stem cells for transfusions and cancer treatments.
Scientists found that a single 45-minute session of moderate-intensity exercise enables the growth of new blood vessels in people with type 2 diabetes. The exercise increases levels of ATP7A, a protein carried by exosomes that helps deliver essential copper to endothelial cells, promoting angiogenesis and reducing oxidative stress.
Dr. Kenichi Miharada and his team received the grant to develop an in vitro red blood cell production method due to global blood shortage for transfusions. They have already established a semi-infinitely proliferating red blood cell source called immortalized human erythroblast cell line (ELLU cells), but face technical challenges.
A UCLA-led team has created a roadmap tracing each step in human blood stem cell development, providing a blueprint for producing fully functional blood stem cells. The map could help expand treatment options for blood cancers and inherited disorders.
Researchers discovered that Viagra and a common over-the-counter drug TUDCA restored mitochondrial processes, which drive heart failure in HLHS patients. This could lead to new therapies for treating heart failure without relying on heart transplants.
Researchers at UVA Health System discovered a cluster of cells in the brainstem that controls the body's response to severe blood loss. The study found that re-activating these neurons can restore blood pressure and heart rate in lab rats, offering new hope for treating traumatic injuries.
Researchers successfully differentiated human induced pluripotent stem cells into specific mesoderm subset for use as a novel therapy to rescue ischemic tissues and repair blood vessels. The results demonstrate significant improvement in visual acuity and electroretinograms with restoration of vascular perfusion in animal models.
Researchers have identified a group of clinical signs that can be paired with genetic testing to better inform the timing of more aggressive treatment for leukemia patients. The study used a mouse model to understand how genetic mutations trigger bone marrow failure and life-threatening complications.
Researchers found higher-than-expected levels of antiphospholipid autoantibodies in COVID-19 patients, causing endothelial cell activation and promoting clotting. Removing these antibodies from blood samples lost the activation effect, suggesting a potential cause of severe COVID-19 symptoms.
Researchers have developed a machine learning framework called dynamo that can predict a cell's path over time, including its fate and genetic changes. The tool uses data from individual cells to create mathematical equations describing the cell's trajectory.
Researchers discovered a protein, syndecan-2, that helps identify and deploy blood stem cells for treatments. Transplanting only cells expressing syndecan-2 could make blood stem cell transplants more efficient and less toxic.
Sophie Paczesny's research aims to validate biomarker panels that help doctors predict chronic GVHD risk and adjust immune suppression treatments accordingly. The study uses machine learning algorithms to analyze stored plasma and blood cell samples from over 1,300 BMT recipients.
A molecule of RNA called CARMN has been found to play a crucial role in maintaining healthy smooth muscle cells in the blood vessel wall, which can help prevent atherosclerosis and angioplasty-induced restenosis. Restoring healthy CARMN levels may lead to new approaches for treating heart disease.
Researchers developed a new technique to analyze brain cell development, finding that cells of similar types are often unrelated and can converge from different progenitors. Conversely, different cell types can diverge from the same progenitor, determining their fate during differentiation.
A new cell line from human adult bone marrow can grow infinitely and differentiate into red blood cells, making it a potential source for generating endless amounts of RBCs. This breakthrough could simplify methods for establishing immortalized cell lines and select clones with maximum RBC production potential.
Researchers have designed a digital camera-based system that can accurately detect jaundice in newborns within one second, sending diagnoses to carers via SMS. The system uses image processing techniques to detect bilirubin levels, triggering blue LED phototherapy and treatment.
A new study investigates the effects of cord blood cell transplantation and curcumin administration on Tay-Sachs disease. The results show an increase in enzyme production and a decrease in inflammation after transplantation, as well as improved symptoms and reduced GM2 ganglioside levels when combined with curcumin.
Stem cell researchers have developed a new method to identify and develop personalized therapies for Cystic Fibrosis patients with rare mutations. By growing precursor lung cells from patients' own blood, they can screen for new drugs and validate responses in mature airway cells.
Researchers have discovered a new drug target for myelodysplastic syndrome (MDS) and other hematologic malignancies, which are sensitive to MEK inhibitors. The study found that mutations affecting RNA splicing alter cells to develop MDS and solid tumors, providing a potential new approach to treating this rare blood cancer.
A genetic analysis reveals that a rare type of blood cancer affecting immune T cells may be caused by exposure to smoking and aging-related mutations in blood precursor cells. The study found a potential link between the development of these tumours and second-hand smoke, suggesting cessation may prevent their occurrence.
A review of scientific literature found pregnant women infected by SARS-CoV-2 have a higher risk of developing pre-eclampsia due to reduced ACE2 availability. ACE2 plays a crucial role in placental development, blood pressure control, and fetal development, making its impairment more susceptible to serious complications.
Researchers at Tel Aviv University successfully printed the first entirely active and viable glioblastoma tumor using a 3D printer. The 3D-bioprinted model includes functional blood vessels that simulate a real tumor, making it a promising tool for predicting treatment efficacy and drug development.
Researchers have determined the location and function of natural blood-pressure barometers inside our bodies, which detect subtle changes in blood pressure and adjust hormone levels to maintain healthy blood pressure. The discovery has significant implications for developing new treatments for high blood pressure.
By mapping the genetic underpinnings of type 1 diabetes, researchers have identified a predictive causal role for specific cell types, including pancreatic exocrine cells. This study provides a major leap in understanding the causes of type 1 diabetes and may lead to new treatments for reversing its course.
Researchers at Baylor College of Medicine developed guidelines to select the best deconvolution method for RNA-seq data analysis. They evaluated 11 methods and identified their strengths and weaknesses in various scenarios, providing a benchmark for scientists to choose the optimal method for their needs.
A study published in JACC reveals that clonal hematopoiesis, a phenomenon where acquired DNA mutations accelerate heart failure progression, is an independent risk factor. The presence of specific mutant clones, including those with TET2 and DNMT3A mutations, increases the risk of hospitalization and death from heart failure.
Researchers at Boston Children's Hospital are testing a model of cystic fibrosis airways exposed to SARS-CoV-2 to investigate differences in response. The team has shown that infected cells can be used to assess antiviral drug responses and may guide therapy for CF patients during the pandemic.
Researchers at Cincinnati Children's Hospital Medical Center have developed a 'map' of bone marrow tissue, providing new insights into how tiny blood vessels organize the bone marrow and regulate blood cell production. This discovery advances understanding of how to control the production of specific blood cells at will.
Researchers discovered that cells use active perception to coordinate action when creating new tissue. They found that filopodia movement helps inform a decision by detecting signals in the environment.
Researchers have discovered a new pathway controlling replenishment of blood cells, which could lead to novel therapeutic approaches for blood cancers. The study revealed that Tip60 plays a crucial role in maintaining hematopoietic stem cells and their DNA.
Researchers have made significant breakthroughs in generating human hemogenic endothelial cells outside the body, paving the way for growing organs and treating blood disorders. The discovery, published in prestigious journals Science and Cell Reports, reveals a key trigger that causes these cells to form during embryonic development.
Researchers found extensive lung damage and unique characteristics in COVID-19 patients, including fibrotic material and abnormal cell fusion. The study suggests the persistence of these 'abnormal cells' may explain long COVID symptoms like fatigue and shortness of breath.
Researchers found that statins increase energy production in blood cells despite causing muscle pain. The study challenges the theory that statins lower energy levels and suggests different effects on various parts of the body.
Researchers developed a cardiac patch with engineered blood vessels that improved recovery from myocardial infarction in rats and pigs. The patch promoted cardiac muscle and blood vessel growth, reducing scar tissue and inflammation.
Researchers have found a new way to make leukemic stem cells vulnerable by specifically dislodging them from their niches, allowing for potential treatment against chronic myeloid leukemia. The approach uses an RNA molecule complex to prevent the cancer stem cell's retention in its tumor-supporting niche.
Researchers create nanoparticles that can target specific genes in bone marrow cells, showing promise for treating heart disease by reducing inflammation. The approach could also enhance stem cell yields for patients undergoing transplants.
Researchers found that gene activity increases when forces are applied perpendicularly to a cell, but decreases when forces are applied along the long axis. The findings could provide insights into diseases such as fibrosis and cardiovascular disease.
Scientists discover that stressed liver cells quickly become senescent after hemorrhagic shock, a condition that accounts for 30-40% of trauma-related deaths. This rapid transition to senescence may help prevent organ failure, but drugs targeting senescent cells can be lethal in the context of injury.
Researchers identified a second path to defeating chronic myelogenous leukemia by disrupting the Gdpd3 gene, which regulates quiescence of CML stem cells. This approach reduces leukemia relapse rates even when BCR-ABL1 oncogene is not disrupted.
Researchers at KAUST developed a new fluorescent multiplex cell rolling assay (FMCR) to analyze cell adhesion, speeding up the process and enabling analysis of multiple cell types. The technique has applications in studying cellular processes in inflammation or cancer cell metastasis.
A study published in Neurosurgery found a high incidence of COVID-19 in patients presenting with stroke, including younger individuals without known risk factors. The mortality rate for these patients was significantly higher than typical, with 42.8% dying from their strokes.