Articles tagged with Blood Vessels
A study in Malawian children found chronic inflammation in blood vessels after recurrent malaria episodes, predisposing future infections and cardiovascular disease. The findings explain high childhood mortality rates in malaria-endemic areas.
Researchers have discovered that thyroid hormone affects blood vessel constriction, leading to sensitivity to temperature extremes. This knowledge may help future treatment of patients with thyroid disorders who experience temperature-related symptoms.
Researchers at UNC School of Medicine have found a class of drugs known as MDM2 inhibitors effective in regressing abnormal blood vessels responsible for vision loss associated with macular degeneration. The treatment has potential to reduce the burden on patients and physicians.
A newly discovered compound has been identified as a potential diagnostic marker for zinc status, which can help detect the harmful effects of zinc deficiency in blood vessel cells. This discovery may lead to faster and easier methods for detecting low zinc levels in the body.
A Stanford study found that blocking an inflammation-producing molecular pathway reverses pulmonary hypertension in rats, suggesting a potential cure for the deadly disease. The research could also lead to better understanding of other inflammatory diseases.
A study published in Restorative Neurology and Neuroscience demonstrates that intracerebral injection of bone-marrow-derived mesenchymal stem cells reduces cognitive deficits produced by temporary occlusion of cerebral blood vessels in a rat model of stroke.
Researchers have created a new drug-delivery strategy using a biodegradable coating that prolongs the effectiveness of an eye medication for macular degeneration. This innovation could significantly reduce the frequency of injections needed, potentially changing the standard of care from monthly to once or twice a year.
Researchers have identified glycolysis as a key mechanism for endothelial cell energy production and blood vessel formation. Blocking glycolysis could prevent excessive angiogenesis in diseases like cancer, offering new therapeutic options.
Researchers aim to prevent diabetes-related damage to blood vessels in the retina by modulating the arginase enzyme. By stabilizing arginase levels, they hope to restore a healthy relationship between enzymes and reduce oxidative stress. This new approach may not only protect sight but also have broader benefits for cardiovascular health.
Researchers at UCL Institute of Ophthalmology identify LRG1 as a protein responsible for abnormal blood vessel growth in diseases like cancer, macular degeneration, and rheumatoid arthritis. Inhibition of LRG1 may be a promising target for future therapy.
Combining certain foods like tomatoes, broccoli, and olive oil may enhance their antiangiogenesis abilities, research suggests. Developing these food products will require extensive tests in food safety and efficacy.
Researchers at Johns Hopkins Medicine have successfully grown new blood vessels from pluripotent stem cells and transplanted them into mice, a crucial step towards developing personalized treatments. The new technique could enable genetically matched blood vessels that are less likely to be rejected by patients' immune systems.
Scientists have developed a method to generate functional blood vessels lasting up to nine months using human induced pluripotent stem cells. The breakthrough could lead to new treatments for cardiovascular disease and diabetes.
A recent study by University of South Florida researchers found that a cardiac hormone signaling receptor plays a key role in the link between inflammation and cancer-causing tumors. By blocking this receptor, scientists hope to develop new treatments that cut off tumor growth by cutting off blood supply. The research aims to create in...
A new study confirms that the body generates hydrogen sulfide (H2S) as a signaling molecule for cardiovascular health. The researchers developed a chemical probe that reacts with H2S and allows them to visualize its presence in live human cells.
Researchers discovered how malaria parasites stick to blood vessels by binding to endothelial protein C receptor (EPCR). This finding may lead to new means of combating malaria, including vaccines and drugs. The discovery sheds light on the mechanisms behind severe malaria symptoms.
A new study found that wider retinal venules are associated with lower IQ scores and cognitive deficits in older adults, even after accounting for health and lifestyle factors. The findings suggest that the processes linking vascular health and cognitive functioning begin much earlier than previously assumed.
A study published in Nature Medicine reveals that a mutation in the Semaphorin 3d molecule disrupts the development of pulmonary veins, leading to Total Anomalous Pulmonary Venous Connection (TAPVC). The condition causes poorly oxygenated blood throughout the body, resulting in cyanosis. Researchers found that Sema3d mutations cause ab...
Researchers have discovered that carnitine supplements can normalize blood vessel dysfunction associated with congenital heart defects and even prevent damage after corrective surgery. High daily doses of carnitine for the first four weeks of life may also prevent endothelial dysfunction in children with heart defects.
A study found that a diet low in grains, beans, and certain vegetables combined with anti-aging supplements improved blood vessel function. Patients consumed a restricted diet and took antioxidants to slow cell aging, potentially reversing high blood pressure, diabetes, and obesity.
Researchers at UNC have identified a key regulatory switch that controls the development of blood vessels. Disrupting this gene, CASZ1, can prevent proper vessel formation and lead to cardiovascular disease. Further study may reveal new therapeutic targets for treating cardiovascular disease.
A study published in Cell Metabolism suggests that macrophage cholesterol accumulation contributes to macular degeneration. Researchers found that eye drops could reduce blood vessel growth and prevent blindness by targeting cholesterol regulators.
A study found that each seven-gram increase in total daily fiber intake was associated with a 7 percent decrease in first-time stroke risk. Increasing fiber intake can help reduce risk factors for stroke, including high blood pressure and high LDL cholesterol levels.
A study of hospital patients found that transfusing donated blood more than three weeks old impairs blood vessel function, a mechanism linked to nitric oxide deficiency. The results suggest that older blood may be detrimental to patient health, particularly in cardiovascular surgery or critical care scenarios.
Researchers at Yale University identified a molecular mechanism by which the growth of new blood vessels and heart muscle are coordinated. Nitric oxide triggers the destruction of RGS4, allowing for physiological changes associated with the relaxation of blood vessels, while promoting cardiac growth.
Scientists identified nitric oxide's role in degrading a protein that attenuates cardiac growth, linking vascular changes to heart size. A nanogel-based treatment targeting an immunosuppressive drug directly to tissues associated with immune cells may help treat systemic lupus erythematosus.
Researchers at the University of Georgia have identified a new target for stroke treatments using candesartan, which increases brain-derived neurotrophic factor and stimulates angiogenesis. This approach has the potential to improve recovery outcomes for stroke patients and may also benefit veterans with traumatic brain injuries.
Researchers have decoded the entire pathway regulating blood vessel leakiness, a condition linked to disorders like heart disease and cancer. Several agents already being tested for other conditions may reverse vessel leakiness, offering new directions for clinical treatment.
A study has identified two enzymes elevated in prediabetes that could lead to new therapies for vascular complications and help predict who is at risk of developing diabetes. Elevated arginase and indoleamine 2,3 dioxygenase trigger a stress response that damages blood vessels and immune cells.
A new study published in Circulation reveals that the arginase enzyme may play a key role in the development of cardiovascular disease in patients with type II diabetes. Inhibiting this enzyme improves blood vessel function in diabetics with angina, but has no effect on healthy individuals or those without angina.
A study reveals that kidney failure patients have less of the sugar coating on their blood vessels, leading to high levels of its constituents in the blood. This damage may contribute to their increased risk of heart problems.
Researchers at the University of Helsinki have discovered stem cells that play a crucial role in new blood vessel growth, offering new opportunities in treating cardiovascular diseases, cancer, and other conditions. The discovery could lead to more effective treatments if these cells can be isolated and efficiently produced.
Scientists have identified a new type of stem cell that can generate new blood vessels, offering new possibilities for treating cardiovascular disease and cancer. The discovery could lead to the development of new therapeutics to prevent or stimulate neoangiogenesis.
Researchers at the University of Iowa Health Care have discovered a new biological pathway that can be targeted to eliminate or reduce severe side effects of diabetes drugs. The study identified the Cullin-3 pathway as key to blood pressure-lowering effects, potentially leading to more specific and effective treatments.
A new Hopkins study found that monthly injections of ranibizumab improve eye chart test results, build driver confidence, and keep those with wet AMD driving longer. This treatment may help elderly individuals maintain their independence by continuing to drive despite vision loss.
Researchers studied mouse offspring to investigate the effects of high-fat diet during pregnancy on microcirculation networks. The study, funded by the British Heart Foundation, aims to understand how maternal diet influences adult diseases like obesity and diabetes.
A study by the American Heart Association found that transient ischemic attacks (TIAs) and minor strokes can cause significant disability in up to 15% of patients. Thrombolysis treatment may be necessary for these patients, even if symptoms appear mild, to prevent further damage.
Researchers at UW-Madison have identified a small DNA sequence, the +9.5 GATA2 switch site, that plays a crucial role in controlling GATA2 production and generating self-renewing blood stem cells.
A new study from Linköping University reveals that circadian rhythm disruptions can immediately inhibit blood vessel growth in zebrafish embryos. The research also shows that vascular endothelial growth factor (VEGF) production is key to normal circadian rhythm functioning.
Researchers have confirmed that normalizing blood vessels by blocking oxygen sensor PHD2 can make chemotherapy more effective. This strategy also reduces the harmful side effects of chemotherapy on healthy organs.
A study published in PLOS Biology reveals how the brain's vascular network forms in zebrafish, driven by blood flow and influenced by a protein called Rac1. The researchers found that vessel pruning occurs at loop-forming segments, leading to a simplified final form of the vasculature.
Scientists at Sanford-Burnham Medical Research Institute found a molecule that promotes tumor vessel maturation, which could improve the effectiveness of anti-cancer therapies. By boosting R-Ras activity, researchers aim to normalize blood vessel structure and function in tumors, enabling better drug delivery.
Scientists at Western University have identified Nodal as a promising new therapeutic target for advanced breast cancer. The protein promotes vascularization, providing nutrients and oxygen to tumors, and its expression is correlated with more blood vessels in the tumor.
Research suggests autoantibodies contribute to blood vessel damage in the brain, exacerbating Alzheimer's and vascular dementia. Immunoadsorption therapy has shown promise in improving symptoms in patients with Alzheimer's disease.
Researchers at UNC Health Care developed a non-invasive ultrasound method to detect cancer using blood vessel 'tortuosity.' This technique filters out tissue signals, allowing for clear visualization of small blood vessels. The study found a definitive difference between tumor and healthy vasculature, with limitations in detection depth.
La Jolla Institute scientist Klaus Ley reveals a novel mechanism played a major role in inflammation. Neutrophils use sling-like membrane tethers to latch on to blood vessel walls during high blood flow, providing new insights into critical biological mechanisms underlying heart disease and other disorders.
A Johns Hopkins University team found a protein molecule, p190RhoGAP, that regulates cardiac stem cells to form healthy heart tissue or blood vessels. By altering its levels, the researchers were able to improve the effectiveness of stem cell therapy in treating heart attack patients.
A study found that a high-salt diet can damage blood vessels, increasing the risk of developing hypertension. Researchers analyzed data from over 5,500 men and women and found that those consuming the most sodium were 21-86% more likely to develop high blood pressure.
A new study funded by the NIH found that the ApoE4 gene variant damages blood vessels in the brain, leading to increased risk of Alzheimer's disease. The researchers discovered that ApoE4 triggers an inflammatory reaction that weakens the blood-brain barrier, allowing harmful substances to enter the brain.
Researchers found that a genetic risk factor for Alzheimer's disease triggers a cascade of signaling that leads to leaky blood vessels and toxic substance entry into brain tissue. Blocking cyclophilin A or using the drug cyclosporine A reversed damage in mice, restoring blood flow and reducing toxic substance leakage.
Peripartum cardiomyopathy, a life-threatening heart condition, is revealed to be a vascular disease caused by an imbalance of angiogenic proteins in the heart. The study suggests that proangiogenic therapies may be beneficial treatments for this condition.
Researchers report a breakthrough treatment for invasive macular degeneration, using an oral nutriceutical that rapidly restores vision and improves overall eye health. In 16 successful cases, the treatment showed significant improvements in visual acuity, contrast vision, and circulatory health within 3-6 weeks.
Researchers have identified a molecule, PDE4, that plays a key role in regulating the division of tumor cells and blood vessel growth in lung cancer. By blocking PDE4, they were able to significantly reduce tumor growth in laboratory experiments and mouse models.
A research team has developed a new technique for creating human textiles by weaving donor cells into blood vessels, promising to reduce production costs. The technology uses a combination of cultured cells and medical-textile-making techniques to create strong, biocompatible fibers that can be woven into various structures.
A team led by Martin Friedlander at Scripps Research Institute has received a $10.2 million grant to develop a new treatment strategy for diabetic retinopathy, macular degeneration, and other vision disorders. The approach targets a strand of micro-RNA that promotes abnormal blood vessel growth.
Research suggests that CD36 protein, involved in cellular inflammation, increases harmful effects of LDL cholesterol. Mice infected with gum disease bacteria showed increased fatty plaque accumulation, while those with deleted CD36 gene remained plaque-free.
Researchers at Memorial Sloan-Kettering Cancer Center have discovered an antibody therapy that prevents lethal gastrointestinal damage following radiation exposure in mice. The treatment, which targets ceramide molecules, improved survival rates from 0% to 80% among mice exposed to high levels of ionizing radiation.
The study reveals that defective Notch signalling enables strong and deregulated vessel growth even when VEGF or VEGFR2 are inhibited. A different VEGF family receptor, VEGFR3, is strongly upregulated, promoting angiogenesis.
Gut bacteria influence intestinal blood vessel formation through a previously unknown mechanism, according to researchers at the University of Gothenburg. The study found that intestinal bacteria promote mucosal cells to attach sugar molecules to specific proteins, inducing signaling for new blood vessel formation.
Scientists have developed lab-made, invisible filaments that resemble uncooked spaghetti with nanoscale dimensions, which can serve as scaffolds for tissue repair. These 'noodle gels' and 'spaghetti highways' could guide cells to specific locations for repair and deliver beneficial substances to diseased areas.