Sentences with phrase «than a blood vessel»

They were more likely to have other health problems, such as congestive heart failure, high blood pressure, obesity and other issues, and to have cardiac arrest caused by problems other than a blood vessel blockage, such as pulmonary embolism.

Not exact matches

He specializes in microsurgery, reconnecting nerves and blood vessels finer than human hairs, performing meticulous 12 - hour procedures with no breaks.
Simply put, moist heat helps increase circulation and allows blood vessels to open rather than constrict.
It's not entirely clear what this means, but in the case of poppers, the fact it affects the blood vessels first, rather than the brain, seems to be the crucial element.
They found 60 per cent fewer blood vessels surrounding tumour - like tissue grown from Down's stem cells than those from other volunteers.
The trophoblasts along with blood vessel cells were added to small dextran beads that were then spun around in a container filled with cell culture fluid, creating shear stress and rotational forces to better mimic the environment at the maternal - fetal interface than static cell - culture systems.
We found that the inflammation unfortunately gets hijacked by tumor cells that are able to grow faster and penetrate deeper because the blood vessels in the brain are more permeable than in any other part of the body.
«The results of the study tell us that some individuals are genetically more prone to inflammation than others, especially in the adipose tissue and blood vessels.
Fat cells cultured from the body mass index of a morbidly obese patient cause multiple myeloma cells to anchor to a much greater extent than normal cells and produce a significantly larger number of blood vessels to sustain the cancer cells.
However, two subtypes of migraines, basilar and hemiplegic, are thought to cause pain by doing the opposite — constricting rather than swelling the blood vessels of the brain.
Breast tumors have a denser network of blood vessels than those found in a healthy breast.
Image courtesy of iStockphoto / adventtr More than 382,000 people with kidney disease in the U.S. are on dialysis, a painful procedure that can wreak havoc on blood vessels due to constant jabs from large needles.
Larger - than - normal holes that once carried blood vessels and nerves through the bones of the snout suggest the dolphin had enlarged lips needed to feed via suction, the researchers report today in the Proceedings of the Royal Society B.
Nowhere is this more true than in the brain, where blood vessel walls are tightly knit, keeping most large molecules from seeping out of the bloodstream and into brain tissue.
In mammals, neutrophils hang out in the lungs» bloodstream more than in blood vessels that wind through other tissue.
Yet, in humans, nowhere else on the body are there so many blood vessels so close to the surface of the skin than our faces.
She adds that her team is finding more than collagen: It has recovered sequences from eight proteins isolated from what appear to be blood vessels, all matching common vessel proteins such as actin, tubulin, and hemoglobin.
In solid tumours larger than a few millimetres, there is usually a lack of both oxygen and nutrients due to insufficient blood vessel growth.
Using a technology called VAST, which can automatically label individual neurons, glia, and blood vessels different colors, as well as smaller structures such as dendrites and mitochondria, the researchers analyzed the contents of three cylindrical chunks of brain tissue, each no bigger than grains of salt.
But statins do much more than lower LDL — they affect the function of the lining of our blood vessels and reduce some markers of inflammation, for instance.
«Menopausal status may better predict blood vessel health in women than fitness level.»
The benefits of treating serious strokes with clot removal were shown in 2015, when five separate studies analyzing a total of 1,287 patients showed that severe stroke patients — usually with clots involving the largest blood vessels in the brain — who received both the clot - snatching procedure and the medicine did significantly better than those who got medicine alone.
They didn't develop tumors any faster than normal, and they didn't have any alterations in their blood vessels, which the researchers had anticipated based on BAI1's role in regulating blood vessel growth.
The toxicity of chokeberry extract on normal blood vessel lining cells was tested and found to have no effects up to the highest levels used (50 ug / ml), suggesting that the cell death effect is happening in a way other than through preventing new blood vessel formation (anti-angiogenesis), a process that is important in cancer cell growth.
«Interestingly, though, amyloid beta deposition was higher in blood vessels than in plaques, and this correlated with increases in tau lesions,» said Melissa Edler, Ph.D., lead author and former doctoral student in biomedical sciences at Kent State.
«Tumor blood vessels are different than regular blood vessels,» said Sushanta.
However, if these mice developed tumors, these were pervaded by significantly more blood vessels and, in addition, grew faster than in fellow animals with functioning Tie2 receptor.
Lodged less than an inch from Ötzi's left lung, the arrowhead not only paralyzed his left arm but also shattered his shoulder blade, tearing major blood vessels and causing him to bleed to death, probably within hours.
Motors less than a millimetre across have been made, and researchers in Japan are working to create microrobots that can swim through blood vessels to perform surgery.
Before her 2000 diagnosis of Wegener's granulomatosis — a disease that inflames the blood vessels and impairs important organs — the environmental microbiologist sometimes felt that she was valued less for her work than for being the only female Native American in HSU's College of Natural Resources and Sciences.
«We found that the well - known Notch protein is responsible for keeping blood vessels from becoming leaky, and does so through a secondary signaling pathway that operates in a completely different manner than its known transcription - based pathway,» says Chris Chen, M.D., Ph.D., Associate Faculty member of the Wyss Institute and Professor of Biomedical Engineering at Boston University, who is the corresponding author of the paper.
Unfortunately, the retina is such a complex and highly ordered tissue that the in - growth of these new blood vessels causes more visual loss than the original degenerative process.
Overall, those with cerebral diseases were older, had high blood pressure and had thicker carotid arteries than those who did not have cerebral small vessel disease.
In 2009, Steven Goldman of the University of Rochester Medical Center in New York and his colleagues reported that human astrocytes are bigger, and have about 10 times as many fingerlike projections that contact other brain cells and blood vessels, than those of mice.
Mice that lacked HIF2alpha had much lower levels of VE - PTP and had much leakier blood vessels than mice that can make HIF2alpha.
«Interestingly, though, amyloid beta deposition was higher in blood vessels than in plaques, and this correlated with increases in tau lesions,» said Dr. Melissa Edler, lead author and former doctoral student in biomedical sciences at Kent State.
To create blood vessels, they developed a third ink with an unusual property: it melts as it cools, rather than as it warms.
Ricklin explains that the team's findings, «further support the concept that complement inhibition at the level of C3 rather than C5 will hopefully confer better therapeutic benefits for PNH patients because it will prevent destruction of red blood cells both inside and outside of vessels
Additionally, diabetic mice genetically modified to lack PKal showed far less retinal blood vessel leakage than wild - type mice.
A study based on medical records from more than a quarter million adult patients found that African - American patients with connective tissue diseases such as lupus or rheumatoid arthritis were twice as likely as white patients to suffer from narrowed or atherosclerotic blood vessels, which increase the risk of a heart attack, stroke or death.
February 4, 2016 Connective tissue disease increases risk for cardiovascular problems A study based on medical records from more than a quarter million adult patients found that African - American patients with connective tissue diseases such as lupus or rheumatoid arthritis were twice as likely as white patients to suffer from narrowed or atherosclerotic blood vessels, which increase the risk of a heart attack, stroke or death.
Japanese men do, and they are far less likely to have blood vessel plaque than American men.
Rather than soft, pliable red blood cells that travel easily through blood vessels, the sickle cell mutation leaves patients with red blood cells that can become brittle and banana - shaped.
design and manufacture of 3D printers based on the concept of melt electrospinning writing (MEW) to enable printing at a finer scale than previously achieved — down to 0.01 mm - which can be precisely tailored for a variety of biomedical applications such as heart valves, blood vessels, nerve guides and bone scaffolds.
For a rich source of stem cells to be engineered into new blood vessels or skin tissue, clinicians may one day look no further than the hair on their patients» heads, according to new research published earlier this month by University at Buffalo engineers.
Gene studies revealed that minoxidil revs up not only elastin and elastic fiber genes but also more than 100 other genes related to blood vessel structure.
According to recent research, the most common solid tumors (that is, cancer that occurs as clusters of cells in or on organs, rather than in liquid form within the blood or lymphatic system) have up to 66 mutations that influence how the cancer cells operate — how fast they divide, whether they are susceptible to the signals that would normally cause a cell to die, when they detach from the main tumor to colonize another organ in the body, when and where they attach blood vessels to healthy tissues.
More than 90 percent of patients with either high nm23, a protein that prevents the cancer from spreading, or low angiogenesis, minimal growth of new blood vessels to supply the budding tumor, were alive an average of 14 years after treatment, compared to only 70 percent of those with low nm23 or high vessel density.
Recent studies have suggested that diseased blood vessels found within the brain may be more of a significant factor in the diagnosis of Alzheimer's than previously thought.
The researchers found that, when stimulated by insulin, diabetic fibroblasts produced less of the VEGF (vascular endothelial growth factor) signaling protein, a key player in boosting the growth of blood vessel cells, than normal fibroblasts did.
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