Articles tagged with Blood Vessels
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A new study by Sanford Burnham Prebys Medical Discovery Institute identifies a crucial signaling pathway for angiogenesis, the growth of new blood vessels from pre-existing ones. The findings may improve current strategies to increase blood flow in ischemic tissues associated with atherosclerosis and diabetes.
A recent animal study suggests that heat-not-burn tobacco products may not offer cardiovascular protection. Exposure to iQOS vapor resulted in a significant decrease in blood vessel function, comparable to cigarette smoke.
Researchers at ETH Zurich have identified that cerebrospinal fluid exits the cranial cavity through lymph vessels in mice, rewriting anatomy textbooks. The study found that this pathway is responsible for flushing out unwanted substances and may offer a starting point for treating neurodegenerative diseases such as Alzheimer's.
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.
The Endocrine Society examines how diabetes damages microvascular system, causing complications such as diabetic retinopathy and kidney disease. Maintaining tight control over blood sugar levels may help reduce risk of complications, but also poses risk of hypoglycemia and cardiovascular issues.
Scientists identify protein disulfide isomerase (PDI) as a key therapeutic target to improve blood vessel health in diabetes. PDI regulates angiogenesis, wound healing and mitochondrial function, offering new potential treatments.
Researchers found that abnormalities in the brain's blood-brain barrier may play a critical role in schizophrenia development. This discovery could lead to novel treatment strategies targeting abnormal brain blood vessels, complementing existing treatments.
Researchers have identified adenosine receptor A2a as a potential target for reducing dysfunctional blood vessel development in the eye. Blocking this receptor has been shown to inhibit pathological angiogenesis and promote healthy blood vessel formation, offering new hope for treating diabetic retinopathy.
Pyroptosis, an explosive form of cell death, contributes to the high mortality rate of bloodstream infections by triggering excessive tissue injury. Caspase-11 is identified as a key enzyme in this process, making it a promising target for development of new treatments.
Researchers have created two new imaging agents that can visualize the formation of tumour-associated blood vessels and track tumour growth. These agents could provide personalized treatment options by identifying patients most likely to respond to therapies targeting new blood vessel growth, leading to more effective cancer treatment.
Scientists have discovered a new molecule that stimulates blood vessel formation, which could help treat non-healing wounds and injuries associated with diabetes. The discovery has the potential to reduce the number of limbs amputated due to diabetes, offering a cost-effective treatment option.
Researchers at NIH uncovered the first evidence of a brain lymphatic system, suggesting vessels act as a pipeline between brain and immune system. The discovery uses MRI to scan brains of healthy volunteers and confirms results in human and nonhuman primate brains.
Researchers found that preeclampsia can permanently change blood vessel function, increasing cardiovascular disease risk. Applying a drug to restore dilation response shows promise as potential treatment strategy.
Researchers have successfully bioengineered a functional lung with perfusable and healthy vasculature in an ex vivo rodent lung. This breakthrough approach selectively treats epithelium while preserving lung vasculature, addressing the organ's extreme complexity.
Researchers at IBS and KAIST found that YAP/TAZ promotes cytoskeleton remodeling and junction formation in endothelial cells, essential for normal as well as pathological angiogenesis. Overexpression of YAP/TAZ leads to excessive blood vessel growth, while removal results in vision impairment and internal bleeding.
Aged chimpanzee brains exhibit pathology similar to human Alzheimer's disease, including Aβ plaques and tau lesions. The study provides the most extensive evidence of AD brain pathology in a primate species, shedding light on the evolution and potential targets for therapeutic interventions.
Researchers suggest targeting aldosterone receptor for effective hypertension treatment in women. High aldosterone levels are linked to increased blood pressure and cardiovascular risk.
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 at North Carolina State University have developed a new surgical tool using low-frequency intravascular ultrasound to break down blood clots. The tool breaks down clots into fine particles, reducing the need for high doses of blood thinners and potentially lowering treatment time.
Researchers have developed a method using 3D-printed patches infused with cells that offer a promising new approach to growing healthy blood vessels. The patches with pre-organized structure demonstrated improved results in reducing ischemia, while those without organization resulted in a disorganized network.
A new hydrogel material combined with vascular endothelial growth factor (VEGF) has been shown to enhance the survival rate of transplanted insulin-producing cells in animal models. The technology could potentially treat more patients with type 1 diabetes and reduce the need for multiple donors.
A new study reveals that blood vessels in the brainstem constrict when oxygen levels rise, unlike other parts of the body. This specialized response helps maintain proper breathing and is made possible by astrocytes releasing signaling molecules.
Researchers discovered specific genetic changes in placentas of women who gave birth to growth-restricted infants, which sabotage placental blood vessel growth and fetal nourishment. These changes can be used as a biomarker to predict normal pregnancy and newborn health.
Learning about key 'danger zones' can help plastic surgeons enhance the safety and effectiveness of facial filler procedures. The article emphasizes the importance of safe, predictable techniques to achieve optimal results with dermal fillers, particularly in areas commonly addressed by facial filler injection.
Researchers have found that a signaling molecule produced by T-cells can induce the regression of blood vessels in tumors, effectively shutting down their supply of oxygen and nutrients. This discovery could lead to improved treatment options for solid tumors using immunotherapy with T-cells.
Researchers at Osaka University have found that the breakdown of SEMA4D protein causes inflammation and disease in AAV patients. The study suggests that SEMA4D could be used as a new clinical marker to improve diagnosis accuracy.
Researchers reprogram tumor blood vessels to block tumor growth and facilitate T cell arrival, improving cancer immunotherapy efficacy. A2V therapy inhibits metastasis and promotes anti-tumor immunity, which can be enhanced by PD-1 checkpoint blockade.
A team of researchers identified the transcription factor RUNX1 as a novel therapeutic target for retinal neovascularization, a hallmark of advanced diabetic eye disease. By inhibiting RUNX1 with a small molecule drug, they achieved a 50% reduction of retinopathy in preclinical models.
White blood cells use their nuclei to exert force and insert themselves between endothelial cells, creating large holes in the blood vessel walls. This discovery sheds light on the movement of immune cells and may aid in cancer research.
Scientists have identified a molecular switch that converts skin cells into cells making up blood vessels, which could be used to repair damaged vessels in patients with heart disease. The technique boosts levels of an enzyme that keeps cells young and may circumvent the usual aging that cells undergo during culturing.
A UTA engineer has been awarded a grant to develop materials that can be used in 3-D printing to create unique new blood vessels for children with vascular defects. The goal is to overcome the challenges of current tissue-engineered blood vessels, which are fragile and cannot withstand blood pressure.
Researchers discovered that tumor blood vessels and the immune system interact, with immune cells promoting vessel normalization to improve anti-tumor therapies. This bidirectional regulation may lead to better cancer treatment outcomes when considering both vascular structure and immune response.
Researchers identified secretogranin III as a potential therapeutic target for preventing diabetic retinopathy and retinopathy of prematurity. Inhibiting this protein may reduce vision loss in both conditions.
A new progeria-on-a-chip model has provided insights into the mechanisms of premature aging and vascular disease. The study found that cells from HGPS donors exhibited an exacerbated response to biomechanical strain, leading to increased inflammation.
Researchers at UC San Diego have successfully printed a functional blood vessel network using 3D bioprinting, addressing a major challenge in tissue engineering. The technology enables the creation of complex microstructures with high resolution, using inexpensive and biocompatible materials.
Research suggests that physical activity can have improved effects on muscle and blood vessel function in women in early postmenopause. The study found that high-intensity cycling training improved physiological parameters in this age group, providing a potential benefit against negative estrogen loss and aging effects.
Scientists are investigating how increased cell death from high blood pressure leads to inflammation and further increases blood pressure. They aim to identify targets that could block unintended results without suppressing the natural immune response.
A new UCL study reveals that tumor growth exerts mechanical forces on blood vessels, compressing or collapsing them to block oxygen delivery. This can lead to uneven drug delivery and reduced treatment effectiveness.
Researchers discovered that immune cells use an active process to create gaps in blood vessel walls, involving the breakage of thin filaments and rapid reassembly. This process allows immune cells to squeeze through and survey organs for problems or join the fight against pathogens.
A UBC study finds that one session of interval weight-training can improve blood vessel function and reduce the risk of Type 2 diabetes complications. The study demonstrates that simple leg exercises involving weights can be an effective tool to manage disease, especially for those with Type 2 diabetes.
Scientists at the NIH used advanced brain imaging technology to study cerebral malaria, revealing how the disease kills thousands of people each year. The research suggests a potential treatment involving removing CD8+ T cells from blood vessel walls, increasing survival rates.
Immune system cells, specifically cytotoxic T cells, attack blood vessels in the brain, causing fatal swelling and damage. Inhibiting these cells with antibodies prevents the condition, suggesting a potential new approach to treating cerebral malaria.
Restoring dysfunctional blood vessels in tumors can prevent cancer cells from spreading and improve chemotherapy delivery. Healthy tumor vessels also enhance the supply of immune cells, which is crucial for emerging immunotherapy treatments.
Researchers have developed a new biomaterial that can prevent uncontrolled bleeding in patients who cannot form blood clots. The injectable material, known as a shear-thinning biomaterial (STB), is made up of gelatin and nanoparticles and has been shown to be effective in animal models.
New UCL research reveals that blood vessels play a vital role in telling neural stem cells when and how to reproduce. The study found that preventing blood vessel growth interferes with normal neuron production, causing stem cells to disappear from the brainstem.
A study published in the American Journal of Human Genetics identified a rare genetic variation in the RNF213 gene that is linked to an increased risk of intracranial aneurysm in French-Canadian individuals. The study found that 10% of patients with IA had at least one of these variants, compared to 0% in controls.
A study by Drs. Sapieha and Mallette reveals a program of accelerated aging in the retina, leading to cellular senescence and production of factors that contribute to blinding disease. Interfering with this process using novel drugs improves blood vessel regeneration and reduces retinal damage.
Research found that exposure to fine particulate matter air pollution is associated with abnormal changes in the blood, including increased micro-particles indicating cell injury and death, and proteins that inhibit blood vessel growth. This suggests that living in a polluted environment could promote the development of high blood pres...
Researchers at Aarhus University combined two scanning technologies to create high-resolution images of cancer tumors in mice, providing detailed mapping of blood vessels. This method could lead to the development of more effective drugs and personalized treatment plans.
Researchers found that manipulating macrophages' metabolism can prevent tumor cells from spreading by stealing glucose, leading to a structured vessel barrier. The study's findings may lead to new cancer therapies targeting mTOR inhibitors and improving treatment outcomes for patients.
Researchers discovered that a protein called SPARCL1 can prevent the formation of new blood vessels, inhibiting tumor growth in patients with a good prognosis. In contrast, tumors with poor prognoses lack this protein, leading to continued tumor growth.
A new study found that carefully administering small doses of hydrogen sulfide can restore mitochondrial efficiency and prevent hyperglycaemia-induced damage to blood vessels. This could lead to new treatments for common heart and blood vessel complications associated with diabetes.
Researchers discovered that transplanted bone marrow-derived endothelial progenitor cells (EPCs) can contribute to better blood vessel growth, leading to reduced recurrent miscarriages. The study found that EPCs homed to the placenta and worked to normalize uterine blood vessel patterns, resulting in a reduced rate of miscarriage.
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.
The dengue virus protein NS1 disrupts the innermost layer of blood vessels, making them more permeable and causing leakage. This disruption leads to fluid accumulation in the lung, a major symptom of severe dengue disease.
Researchers found that High Intensity Focused Ultrasound can selectively target and destroy placental blood vessels, potentially enabling a non-invasive procedure to separate the placenta in TTTS. The technique could reduce chance of complications and improve outcomes for affected twins.
A new gene called Wars2 has been identified as a key player in blood vessel formation, providing a potential target for new therapies against cancer and heart disease. The discovery was made by researchers at Duke-NUS Medical School who found that inhibiting Wars2 function impaired blood vessel formation in rats and zebrafish.
A new neuroendovascular technique called ADAPT has shown impressive 90-day outcomes for stroke patients with large-vessel clots. Approximately 58% of patients achieved a good outcome after thrombectomy using the direct-aspiration, first pass technique.
Therapeutic stem cells exit the bloodstream via a distinct process called angiopellosis, where endothelial cells actively push them out of blood vessels. This alternative mechanism allows for longer exit times and multiple cell exits at once, with implications for cancer research and intravenous therapies.
Researchers developed bioengineered blood vessels that appear safe and functional after implantation in dialysis patients. The vessels showed no signs of rejection and maintained their mechanical integrity, with a 90% durability rate compared to traditional synthetic grafts.