Inserting Catheters Without X-rays
X-rays penetrate the patient's body, helping the doctor guide the catheter through the artery. In future, it will be possible to monitor the position of the catheter without exposing the patient to...
View ArticleResearchers unravel role of priming in plant immunity
Scientists have discovered a naturally occurring compound that triggers a plant's immune system, thereby protecting the plant from a secondary bacterial infection.
View ArticleResearcher studies blood vessels that feed tumors
(PhysOrg.com) -- Federal stimulus funding helps Cornell researchers create tiny 3-D models of tumors to mimic conditions necessary for the development of vascular systems by tumors.
View ArticlePlay yourself healthy: Soccer as treatment for lifestyle-related diseases
Other parallel experiments on both women and men further demonstrates that a regular game of soccer affects numerous cardiovascular risk factors such as maximal oxygen uptake, heart function,...
View ArticleGene discovery to increase biomass needed for green fuel
(PhysOrg.com) -- Manchester scientists have identified the genes that make plants grow fatter and plan to use their research to increase plant biomass in trees and other species - thus helping meet the...
View ArticleMolecular imaging technique uses ultrasound and microscopic bubbles to target...
An imaging technique combining ultrasound and specially modified contrast agents may allow researchers to noninvasively detect cancer and show its progression, according to research published in the...
View ArticleResearchers develop new lab technique for cardiovascular testing
Cardiovascular disease is one of the most significant causes of death in the world, and around 1 million Dutch citizens have a cardiovascular condition. Andries van der Meer of the University of...
View ArticleNewly discovered kinase regulates cytoskeleton, and perhaps holds key to how...
Scientists at the University of California, San Diego have identified a previously unknown kinase that regulates cell proliferation, shape and migration, and may play a major role in the progression or...
View ArticleResearchers develop functional, transplantable rat liver grafts
A team led by researchers from the Center for Engineering in Medicine at Massachusetts General Hospital (MGH) has developed a technique that someday may allow growth of transplantable replacement...
View ArticleResearchers find key to getting estrogen's benefits without cancer risk
Researchers at UT Southwestern Medical Center have pinpointed a set of biological mechanisms through which estrogen confers its beneficial effects on the cardiovascular system, independent of the...
View ArticleResearchers discover important link between adrenal gland hormone and brain...
A hormone already responsible for increasing blood pressure by prompting the kidneys to retain salt appears to moonlight as a major stimulator of the brain centers that control the vascular system and...
View ArticleStudy raises safety concerns about experimental cancer approach
A study by researchers at Washington University School of Medicine in St. Louis has raised safety concerns about an investigational approach to treating cancer.
View ArticleArtificial tissue promotes skin growth in wounds
(PhysOrg.com) -- Victims of third-degree burns and other traumatic injuries endure pain, disfigurement, invasive surgeries and a long time waiting for skin to grow back. Improved tissue grafts designed...
View ArticlePressurized vascular systems for self-healing materials
Artificial microvascular systems for self-repair of materials damage, such as cracks in a coating applied to a building or bridge, have relied on capillary force for transport of the healing agents....
View ArticleFast new method for mapping blood vessels may aid cancer research
Like normal tissue, tumors thrive on nutrients carried to them by the blood stream. The rapid growth of new blood vessels is a hallmark of cancer, and studies have shown that preventing blood vessel...
View ArticleHuman origins traced to worm fossil in Canada
(PhysOrg.com) -- Most primitive known vertebrate and therefore the ancestor of all descendant vertebrates, including humans, discovered.
View ArticleMathematical physics reveal nature's formula for survival (w/ Video)
(Phys.org) -- The vascular system of a leaf provides its structure and delivers its nutrients. When you light up that vascular structure with some fluorescent dye and view it using time-lapse...
View ArticleScientists improve living tissues with 3-D printed vascular networks made...
Researchers are hopeful that new advances in tissue engineering and regenerative medicine could one day make a replacement liver from a patient's own cells, or animal muscle tissue that could be cut...
View ArticleNanoparticles reboot blood flow in brain
A nanoparticle developed at Rice University and tested in collaboration with Baylor College of Medicine (BCM) may bring great benefits to the emergency treatment of brain-injury victims, even those...
View ArticleBrilliant dye to probe the brain
To obtain very-high-resolution 3D images of the cerebral vascular system, a dye is used that fluoresces in the near infrared and can pass through the skin. The Lem-PHEA chromophore, a new product...
View ArticleBats use blood to reshape tongue for feeding
Nectar-feeding bats and busy janitors have at least two things in common: They want to wipe up as much liquid as they can as fast as they can, and they have specific equipment for the job. A study in...
View ArticleBlueprint for blood vessel fusion discovered
The fusion of blood vessels during the formation of the vascular system follows a uniform process. In this process, the blood vessels involved go through different phases of a common choreography, in...
View ArticleAncient shrimp-like animals had 'modern' hearts and blood vessels
An international team of researchers from the University of Arizona, China and the United Kingdom has discovered the earliest known cardiovascular system, and the first to clearly show a sophisticated...
View ArticleHeavy smoking in midlife may be associated with dementia in later years
Heavy smoking in middle age appears to be associated with more than double the risk for Alzheimer's disease and other forms of dementia two decades later, according to a report posted online today that...
View ArticleTreating vascular disorders with a cell-based strategy
A research team at Weill Cornell Medical College has discovered a way to utilize diagnostic prenatal amniocentesis cells, reprogramming them into abundant and stable endothelial cells capable of...
View ArticleVascular cells can fuse with themselves
Cells of the vascular system of vertebrates can fuse with themselves. This process, which occurs when a blood vessel is no longer necessary and pruned, has now been described on the cellular level by...
View ArticleFungi may lead to cheaper cancer treatment
Cheaper anti-cancer drugs for humans might ultimately stem from a new study by University of Guelph scientists into a kind of microbial "bandage" that protects yew trees from disease-causing fungi.
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