Articles tagged with Blood Vessels
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.
Research found a significant increase in first-time stroke hospitalizations among young Danish adults between 1994 and 2012. The study suggests lifestyle-related risk factors, such as diabetes and obesity, may contribute to this trend.
Researchers at Oklahoma Medical Research Foundation found that an enzyme thought to be beneficial can pose significant danger to developing embryos. They discovered excessive plasmin activity can lead to liver blood vessels becoming fragile and prone to bleeding.
Tumor cells switch to glycolysis, a form of anaerobic energy production, allowing them to continue growing even without new blood vessels. This discovery opens up new possibilities for long-term cancer treatments by inhibiting anaerobic energy production or transport of lactic acid.
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.
A new study reveals an unconventional antibody that targets the patient's vascular response to sepsis, converting a harmful protein into a protective one. This approach stabilizes blood vessels, strengthens barrier function, and quells systemic inflammation, prolonging survival in mice with sepsis.
Researchers at IBS Center for Vascular Health have created a new targeted agent to mitigate sepsis progression by strengthening and protecting blood vessels. This approach, utilizing the Tie2 receptor and anti-angiopoietin-2 antibody ABTAA, has shown enhanced survival rates in severe sepsis models up to 70%.
A Finnish group found that vascular endothelial growth factor B (VEGFB) can increase the density of adipose tissue vasculature, reducing inflammation and improving insulin function. Blocking the VEGFR1 receptor enhances the treatment effect by stimulating catabolic processes in adipose tissue.
Mutations in the PIK3CA cancer gene drive venous malformations, a common blood vessel abnormality causing painful and disfiguring lesions. Repurposing PI3K-inhibiting cancer drugs may offer a potential therapeutic avenue for patients with these vascular diseases.
By regulating protein complexes in blood vessel walls, researchers have identified a method to suppress leakage and edema formation. This discovery may lead to improved cancer therapy by allowing drugs to reach tumors more effectively and reducing metastatic spread.
The 2016 UW-Madison Cool Science Image contest winners were selected based on scientific content and aesthetic qualities. The contest showcased images and videos from atmospheric science to zoology, including a pinhole camera image of the sun and a micrograph of breast tissue.
Researchers found that photoreceptors use both glucose and lipids as fuel substrates, debunking previous scientific beliefs about the cause of abnormal blood vessel growth leading to blindness. This discovery opens new therapeutic avenues for retinal diseases such as AMD.
A new study suggests that poor sleep, like sleep apnea, can promote cancer development by stimulating the formation of blood vessels in tumors. Researchers found that intermittent hypoxia, a common consequence of sleep apnea, increases vascular progenitor cells and endothelial cells within tumors.
Experiencing physical violence in adulthood may increase the risk of women developing heart and blood-vessel disease. Women who had experienced physical violence were more than one and a half times more likely to have narrowing of the main blood vessels in the neck, an early sign of increased risk for stroke.
Research finds that lymphatic vessels play a critical role in obesity development, with chyle leakage triggering weight gain and insulin resistance. Restoring lymphatic function reverses obesity in Prox1-haploinsufficient mice.
Researchers identified EPHA2 as a key regulator of breast cancer cell spread from blood vessels. The study sheds light on how tumour cells interact with blood vessel walls and exchange information to control their movement.
A team of researchers has revealed the molecular motions behind elastin's flexibility, showing how scissor-shaped molecules assemble into long chains that give tissues their stretchability. The study provides insights into the material's durability and could lead to new materials for engineering applications.
Researchers found a significant increase in blood vessel and pain receptor growth among patients with calcific tendinitis, leading to chronic inflammation and severe pain. The study suggests new ways to manage the associated pain and may provide insights into other tendon disorders and diseases.
Researchers at Northwestern University have developed a new biodegradable material that can reduce scarring in blood vessels, potentially preventing deadly blockages. Early tests show the material can reduce cell migration by 57 percent.
Researchers discovered a novel pathway involved in blood vessel occlusion by increasing LOX activity in platelets. This led to reduced clotting time and increased blood clot formation, pointing to the specific receptor responsible for platelet adhesion.
New research found that even very healthy individuals with reduced kidney function experience changes in the heart, including increased left ventricle mass and elevated troponin levels, indicating potential for heart disease. The study tracked living kidney donors to explore direct effects of diminished kidney function on the heart.
A Drexel University biomedical engineer is exploring the potential of macrophages to grow blood vessels and promote wound healing through a natural process. The goal is to develop a drug delivery strategy that controls macrophage behavior and encourages vascularization by the body's own cells.
Researchers at the University of Virginia Health System have identified the stem cells that develop into the blood vessels within the kidney, a critical step toward growing replacement kidneys. By understanding how these vessels form and function, scientists may be able to create functional organs for patients in need.
Researchers at New York University found that individuals with autism have unstable blood vessels, disrupting brain function and circulation. The study identified a correlation between angiogenesis and neurogenesis, potentially leading to novel therapeutic interventions.
A study published in Gastroenterology reveals that the inhibition of CPEB4 protein can prevent the development of abnormal blood vessels associated with cirrhosis. This finding has significant implications for the treatment of this disease, which is responsible for a high rate of hospital admissions and use of health resources.
Scientists have confirmed that blood vessel-like structures found in an 80 million-year-old hadrosaur fossil are original to the animal, not biofilm or contaminants. The discovery provides insight into how proteins can modify and change over millions of years.
A study published in the journal Brain found that amyloid plaques around blood vessels in the brain can disrupt astrocyte function, leading to reduced cerebral blood flow. This could account for symptoms such as memory lapses, impaired decision-making, and personality changes associated with Alzheimer's disease.
Researchers from Kumamoto University and The University of Tokyo have elucidated the control of cellular movement during blood vessel formation, showing that tip cells and trailing cells move at different speeds and directions. This study provides new insights into the complex cellular motion involved in blood vessel proliferation.
A UMass Amherst biologist is developing a new liver model using extra-embryonic tissue to study liver function and mechanisms. The model, which uses tissues from the yolk sac, offers a simpler alternative to traditional liver models, allowing for more efficient analysis of gene expression and protein production.
Scientists have developed a novel method to quickly dissolve away clots that completely obstruct blood vessels in the brain. A drug-device combination using an intra-arterial device restores blood flow to obstructed vessels, effectively clearing the blockage.
A research team at Beth Israel Deaconess Medical Center has identified a small molecule that prevents the overgrowth of blood vessels in animal models of aged macular degeneration and retinopathy of prematurity. The new findings show that this molecule, named Vasotide, can be delivered in eye drops, offering a promising alternative to ...
A recent study published in Nitric Oxide found that consuming beet juice rich in nitrates can restore reduced blood vessel function at high altitudes. This natural substance helps the body acclimatize to lower oxygen levels by converting nitrate into nitric oxide, which improves blood vessel relaxation.
Research found that psoriasis patients had high levels of blood vessel inflammation, even at low cardiovascular risk. The most extensive forms of psoriasis were associated with a 51% increase in blood vessel inflammation.
A Vanderbilt study found that breaking down fibrin is essential for fracture repair, contradicting previous assumptions. The study also suggests that impaired fibrin clearance may be a key factor in conditions like obesity and diabetes impeding fracture healing.
A McMaster University hematologist has identified various limb loss syndromes, including symmetric peripheral gangrene and venous limb gangrene, which can be caused by septic shock, cancer, and blood clotting disorders. The treatment for these conditions involves the use of blood thinners and replacement of protective factors.
Researchers identified a pathway that leads to atypical blood vessel formation in age-related macular degeneration. Inhibiting this pathway may halt or restore sight in people with the disease.
A team of Vanderbilt investigators has discovered that fibrin breakdown is essential for fracture healing, contradicting previous assumptions. The findings have significant implications for efforts to promote fracture repair and may lead to new treatments by reducing or enhancing fibrin levels.
Researchers from ITMO University created a vascular graft coating that prevents clot formation, ensuring unobstructed blood flow. The coating, which can be applied to any type of implant, uses a porous shell to release medication and prevent the growth of crystals or other unwanted substances.
Scientists found that additional genes can compensate for knocked-out genes and mitigate consequences. In a study on zebrafish, researchers identified emilin 3B as a rescuing gene for the egfl7 gene, which regulates blood vessel growth.
Researchers identified neutrophils as the bloody culprit behind immune cell-induced bleeding. Blocking neutrophil passage could prevent complications in transplant and chemotherapy patients.
A study by researchers at Lund University found that high levels of ALK1 protein in blood vessels increase the risk of metastases. The drug Dalantercept can prevent this spread by blocking ALK1, offering new hope for breast cancer patients.
Researchers at Thomas Jefferson University found that obese patients are more prone to developing acute respiratory distress syndrome (ARDS) due to a hormone imbalance. The study suggests that replacing the deficient hormone adiponectin may prevent ARDS in at-risk individuals.
Researchers at Johns Hopkins University and the University of Maryland have discovered a new way to treat diabetic retinopathy by blocking two growth proteins, VEGF and angiopoietin-like 4. This could prevent many cases of proliferative diabetic retinopathy, which is the most common cause of vision loss in working-age adults in the US.
A new class of treatments may be effective in preserving vision for people with diabetic macular edema (DME). Researchers found that high levels of plasma kallikrein and associated molecules contribute to DME, and targeting this pathway may lead to new therapies.
Researchers have developed a new equation that predicts the behavior of blood cells during flow, shedding light on mechanisms behind blood disorders such as sickle cell anemia. This theory could lead to innovative solutions for blood transfusions and disease treatment.
A rare genetic syndrome is associated with increased blood vessel resistance, which may contribute to hypertension. The study identifies mutations in the PDE3A enzyme that alter its activity and increase blood pressure. The findings suggest new avenues for investigating hypertension causes and developing targeted therapies.
Sudden cardiac death accounts for 42% of deaths in on-duty firefighters over the past 5 years, exceeding traditional risks like burns and trauma. Researchers examine heat stress impact on firefighter hearts and blood vessels.
Researchers discovered that controlling the innate immune system's reaction to tissue-engineered vascular grafts can reduce abnormal narrowing and increase graft performance. The study sets the stage for developing safe and effective vascular grafts for congenital heart disease treatment.
Researchers at TU Wien and MedUni Vienna have developed artificial blood vessels that are biocompatible and can be broken down by the body. The new material has excellent mechanical properties and allows for the growth of natural tissue, making it a promising solution for bypass operations.
Researchers discover that blocking Slit2 protein prevents pathological blood vessel development in the retina, leading to a potential new treatment for vasoproliferative ocular diseases. The study suggests that therapies targeting Slit2 and its receptors may be beneficial for patients resistant to conventional anti-VEGF therapies.
Researchers have described the process of blood vessel pruning on a cellular level, revealing that cells can fuse with themselves to close vessels and prevent blood leakage. This discovery sheds light on the vascular system's ability to regulate itself through plasticity.
Researchers have identified significant vascular changes in Huntington's disease brains, finding mutant huntingtin in blood vessels and increased permeability of the blood-brain-barrier. These findings suggest that healthy cells can be infected by the mutant protein, offering new potential therapeutic targets.
A Northwestern University team has re-engineered a common drug to deliver nitric oxide, preventing cellular overgrowth and scarring in blood vessels during and after surgery. This modified protamine sulfate can slowly release nitric oxide, minimizing its negative effects while maintaining its function as an antidote for heparin.
Researchers found that folic acid supplementation increased nitric oxide production in older blood vessels, improving skin blood flow and reducing cardiovascular risk. This inexpensive alternative to pharmaceutical treatments shows promise for helping older adults cope with environmental heat waves.
Researchers at Imperial College London and Houston Methodist Research Institute have successfully delivered nucleic acids to specific areas of the body using nanoneedles, prompting the formation of new blood vessels in mice. This breakthrough technique shows promise for treating damaged organs and nerves by repairing themselves.
A study published in The Journal of Cell Biology provides new insights into the relationship between two proteins associated with cerebral cavernous malformations. Researchers found that CCM3 has an independent role in cell proliferation or survival pathways, contributing to the severity of symptoms.
Higher levels of HMGB1, a 'danger' molecule fueling inflammation and blood pressure, may contribute to male hypertension. A new study suggests targeting HMGB1 could help prevent T cell activation and lower blood pressure.