Articles tagged with Blood Vessels
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A new injectable hydrogel has been developed with enhanced shear-thinning properties, improved cellular biocompatibility, and significantly reduced clotting times. The biomaterial was created by adding sodium phytate to a gelatin-based compound, promoting even greater cohesion and triggering the initiation of blood coagulation.
A study of 11,945 people found that those with type 2 diabetes are more likely to be diagnosed with advanced cancer if the condition is not screened for routinely. Researchers identified a 26% increased risk of metastasis in patients with pre-existing type 2 diabetes.
A study of 1779 adolescents found that early-life elevated lipids and dyslipidemia are linked to worsening subclinical atherosclerosis. Conversely, treatment at age 17 effectively halted progression and even reversed it. This critical evidence emphasizes the need for early-life screening and prevention.
A large study found that children who experienced adversity, including serious family illness or death, poverty, neglect, or dysfunctional relationships, are at increased risk of developing cardiovascular disease in early adulthood. The study, published in the European Heart Journal, followed nearly 1.3 million children and found a 60%...
Researchers identified Spns2, an S1P transporter, as a novel drug target for Multiple Sclerosis treatment. Targeting this protein may improve safety profiles and reduce side effects associated with current therapies.
Researchers have discovered a new role for VWF in regulating immune responses at sites of blood vessel injury, leading to potential treatment options for inflammatory and blood clotting disorders. The study found that VWF plays a key role in repairing damaged blood vessels, which could help prevent heavy bleeding and blood clots.
A collaborative study reveals how genes controlling blood vessel cells influence motor neuron development, allowing them to navigate the body's systems. The discovery sheds light on diseases such as ALS and SMA, where motor neuron connections are destroyed.
A new study from the University of Missouri School of Medicine found that short-term exposure to reduced physical activity and increased sugar consumption disrupts insulin response in blood vessels, with men more prone to vascular insulin resistance. In contrast, young women are protected against this condition.
A team of researchers at USC is launching a comprehensive study to investigate the connection between type 2 diabetes and dementia in adults with Hispanic ancestry. The five-year study will examine brain structure and activity, blood flow, blood glucose and insulin levels, and cognitive functioning in 200 participants.
Two NIH-funded studies show long-term e-cigarette use can impair blood vessel function, increasing the risk for cardiovascular disease. The findings also suggest combining e-cigs with tobacco may increase health risks compared to using them individually.
Researchers at Brigham and Women's Hospital developed a novel bioink capable of constructing functional and mechanically strong blood vessels. The bioink enables bioprinting of conduits with key physiological characteristics similar to native vessels, potentially serving as vascular models for grafts in surgeries and disease studies.
Two studies found that cigarette smoke and e-cigarette vapor have similar cardiovascular effects due to airway irritation. This irritation can lead to vascular damage and impaired blood vessel function. The research suggests that dual product use may be worse than single product use, highlighting the need for stricter regulations.
Researchers at Osaka University have developed a mouse model that shows Favine protein can protect against atherosclerosis and thrombosis. The study also found that reduced levels of Favine are associated with calcification and thrombus formation, revealing a new potential therapeutic target for treating atherosclerosis.
A new CAPSTONE study aims to identify inflammatory biomarkers associated with positive and poor outcomes in patients after intracerebral hemorrhage (ICH) strokes. By analyzing patient blood and plasma samples, researchers hope to develop targeted treatments to prevent long-term brain degeneration.
A study from Linköping University shows that individuals with type 1 diabetes should keep their mean long-term sugar level below 53 mmol/mol (7.0%) to avoid serious damage. The risk of eye- and kidney complications increases as the level increases.
A new study from USC researchers uncovers the sequence of early molecular changes caused by APOE4, a discovery that may help identify potential treatment targets in the brain's blood vessels. The research reveals problems with the blood-brain barrier and synapses, leading to behavioral deficits and cognitive dysfunction.
A substance produced by gut microorganisms, TMAO, can lead to scarring and vascular damage in scleroderma. The Western diet rich in meat contributes to TMAO formation, which reprograms cells to become scar-forming myofibroblasts.
A study reveals that four nonexcitatory amino acids can cause irreversible brain destruction after a stroke or traumatic brain injury. The amino acids flood the brain cells, leading to swelling and cell death.
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.
Higher aldosterone concentrations are associated with lower eGFR, lower potassium levels in blood, and higher potassium and protein concentrations in urine. The risk of CKD worsening was independent of diabetes status. Finerenone may help prevent CKD progression by targeting aldosterone's action.
A team of researchers has discovered that malignant tumors accumulate lipid delivery molecules called LDL and attract immune suppressor cells called neutrophils, leading to tumor progression. The study also shows that targeting the LOX-1/oxidized LDL axis may be a promising strategy for treating both cancer and cardiovascular disease.
Researchers developed artificial microtubules to transport microscopic cargo along magnetic stepping stones, overcoming fluid flow obstacles. The technology could facilitate targeted drug delivery and treat blocked vessels or cancerous tumors.
Children born to mothers with polycystic ovary syndrome (PCOS) are at a higher risk of developing infections, allergies, and other childhood illnesses by age 13. The study found that children of mothers with PCOS were 32% more likely to be admitted to hospital for various health problems.
A systematic review of US-based studies on Hereditary Hemorrhagic Telangiectasia (HHT) reveals a lack of racial and ethnic data, potentially impacting treatment and diagnosis. The study highlights the need for inclusive research designs to address growing concerns about racial disparities in HHT care.
YAP1 controls angiogenesis by expressing genes involved in blood vessel formation, and its activity is regulated by PHD2 and VHL under normal oxygen conditions. In hypoxic conditions, YAP1's nuclear localization enables it to interact with HIF1α, leading to increased expression of pro-angiogenic proteins.
Researchers at the University of Illinois Urbana-Champaign have developed a low-cost ultrasound imaging method to study the relationship between Alzheimer's disease and the brain's vascular system. The technique, which provides high-resolution images of animal microvasculature, may aid in early detection of the disease.
Researchers discovered that midgestation leptin surge in preeclampsia leads to endothelial dysfunction, blood vessel constriction, and restricted fetal growth. This finding highlights the crucial role of leptin in pregnancy and its potential consequences on maternal and infant cardiovascular health.
Cases of Kawasaki disease fell in the US during the COVID-19 pandemic and remained low during masking and school closure. The findings suggest a respiratory portal of entry for the trigger agent(s), consistent with social behavior influencing exposure.
Researchers identified immune endothelial cells promoting inflammation and developmental endothelial cells supporting cell development, regeneration, and proliferation. The study's findings may lead to targeted treatments for lung infections and acute respiratory distress syndrome.
Researchers found that 'killer' T-cells used in immunotherapy can also destroy tumour lymphatic vessels, greatly reducing the risk of metastasis. This synergistic effect could increase treatment effectiveness against cancers with high lymphangiogenesis.
A molecule in mosquito spit called sialokinin has been identified as a potential new target for vaccination against Yellow Fever, Dengue and Zika. Researchers found that sialokinin causes blood vessels to become permeable, allowing viruses to infect the host.
Researchers will track changes in the blood-brain barrier, neurovascular function, and cognition in over 850 participants with genetic variants at risk of developing Alzheimer’s disease. The study aims to improve understanding of the onset and progression of Alzheimer’s disease and identify effective interventions.
Researchers developed a new ultrasound localization microscopy technique to image blood vessels and measure blood flow in the brain. The method uses microscopic bubbles as a contrast agent and accelerates post-processing to 10-30 seconds, enabling rapid imaging of whole-brain microvasculature.
Researchers at TU Wien develop a method to guide individual cells with laser precision, enabling reproducible production of artificial tissue and testing new drugs without animal testing. The technique involves adding special molecules to hydrogel surrounding cells, which become softer and more permeable when activated by a laser beam.
Researchers from NTU and NUS found a link between NAFLD and blood vessel damage, leading to increased risks of cardiovascular diseases. High levels of chemokines attract immune cells into blood vessels, causing inflammation and damage.
Researchers discovered Empa, an FDA-approved diabetes medication, improved blood vessel function and reduced arterial stiffness in aged male mice. The study suggests SGLT2 inhibition may be a therapeutic tool to delay or reverse vascular aging in humans.
A research team discovered that an excessive number of thromboxane A2 receptors in blood vessel cells hinders the formation of new blood vessels, leading to vascular and cardiovascular diseases. The finding offers a promising biomarker for treatment and potential therapeutic benefits from blocking the receptor's action.
Researchers at Massachusetts General Hospital developed two approaches to repair tumor blood vessels, alleviating hypoxia and improving chemotherapy's effectiveness. Combining these approaches may create a more powerful anti-cancer strategy.
A new study suggests that a diet high in protein, zinc, and niacin, and low in saturated fat, can improve blood vessel flexibility. The study found improvements in metabolic and cardiovascular health, including reductions in calorie and saturated fat intake, increases in zinc and niacin, and improvements in blood vessel function.
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.
Researchers have discovered how fungus blocks and bursts blood vessels in the brain, allowing microbes to spread and cause meningitis. The study identifies a simple yet effective method that microbes use to escape the immune system and enter the brain.
Research in mice suggests that neutrophil extracellular traps (NETs) can cause further damage to the brain after a stroke by trapping other cells and reducing blood flow. Blocking NETs with a compound called nNIF may protect the brain from this harm, leading to better outcomes for patients.
Researchers at UC Riverside have discovered that curcumin promotes vascular endothelial growth factor (VEGF) secretion, helping to grow engineered blood vessels and tissues. The study uses magnetic hydrogels coated with curcumin-coated nanoparticles, which gradually release the compound without injuring cells.
A new wireless implant has the potential to treat neuropathic pain resistant to medical therapy, offering a minimally invasive alternative to surgery. The device uses bioelectronic therapy to stimulate peripheral nerves from within blood vessels, providing precise placement and predictable outcomes.
Researchers discovered a key protein, c-Maf, required for naive endothelial cells to mature into liver sinusoidal blood vessels. Induced liver sinusoidal endothelial cells (iLSECs) support hepatocytes, promoting healthy function.
A post-hoc subgroup analysis of the AFIRE trial found that reduced kidney function significantly influences bleeding events during antithrombotic therapy. Patients with healthy kidney function have a decreased risk of bleeding over time, while those with reduced kidney function remain at high risk.
Researchers have identified a new family of proteins in blood vessels that prevent fluid from entering the lungs, offering a potential new avenue for treating acute respiratory distress syndrome. Stimulating these bitter taste receptors has been shown to provide protection against fluid leak into the lung.
A new study suggests that a high-salt diet can lead to the hyperactivity of brain cells, resulting in increased constriction of blood vessels and worsening of cardiometabolic diseases. The research also found that excessive salt consumption can trigger an unusual response in which neurons become more active despite reduced blood flow.
Researchers from Tel Aviv University found that hyperbaric oxygen therapy (HBOT) relieves PTSD symptoms in treatment-resistant veterans, improving brain function and microstructure. The breakthrough study provides new hope for PTSD sufferers, offering an objective diagnostic tool and potential long-term improvements.
Researchers at KTH Royal Institute of Technology created a 3D model of living brain cancer using cavitation molding technique. The model closely replicates human tissue and maintains cell viability, making it suitable for drug screening.
Researchers found circulating antiphospholipid antibodies and autoantibodies in COVID-19 patients, which may explain mechanisms associated with severe blood clotting. IgG levels were also linked to disease severity, and removing it from samples led to reduced 'blood vessel stickiness',
A new study found that statin intolerance is over-estimated, affecting only 6-10% of patients worldwide. Researchers identified risk factors for statin intolerance, including age, sex, ethnicity, and medical conditions.
Researchers compared two treatment methods for wide-neck aneurysms: microsurgery with clips and coils/stents deployed via catheters. Microsurgery was found to be longer-lasting, but endovascular therapy showed superior clinical outcomes in unruptured aneurysms.
The University of South Florida has received a five-year, $1.35 million NIH institutional grant to train scientists in vascular inflammation and injury research. The grant will support the comprehensive training of pre- and postdoctoral scientists focused on this emerging area of research.
Researchers are developing novel biomaterials to promote new blood vessel and axon formation after a stroke, aiming to improve neurological conditions. The project targets post-stroke immune response and aims to enhance the healing process.
A new study published in Clinical Nutrition found that drinking less than the UK's recommended 14 units of alcohol per week increases the risk of cardiovascular events. Moderate alcohol consumption is associated with a 23% increased risk of suffering a cardiovascular event for every additional 1.5 pints of beer consumed.
Researchers developed an AI system that can analyze retinal scans to identify patients at high risk of a heart attack over the next year. The system uses deep learning techniques and achieves an accuracy of 70-80%, revolutionizing the way patients are screened for signs of heart disease.
Researchers at West Virginia University are investigating the link between chronic stress and Alzheimer's disease using animal models. They aim to understand how xanthine oxidase may sabotage brain blood vessels in Alzheimer's patients, and explore whether a medication can block this pathway to keep the brain healthy.
A recent study published in Stroke found that the Woven Endobridge (WEB) device is safe and effective in treating brain aneurysms, with adequate occlusion occurring in 85.7% of cases. The device also showed low rates of blood clot-related complications and no re-ruptures after treatment.
Researchers found that the fetus uses a signal called IGF2 to control nutrient supply from the placenta. The team discovered that only the paternal copy of the IGF2 gene is active, while the maternal copy inactivates it.