Tag: "blood" at biology news
Novel AT2R gene transfer prevents hypertension-related enlarged heart, cardiac fibrosis
...Because the procedure didn't simultaneously reduce blood
pressure, the approach could also have therapeutic...eart, the perivascular fibrosis (around peripheral blood
vessels) was not reduced, nor was blood
pressure. On a clinical level this may seem a negative resul...
UT Southwestern initiating trials in humans for ricin vaccine
...se anatomical sites and not only in the blood. The blood
may prevent death but not tissue damage in the lungs, intestine and elsewhere."...
Shark cartilage cancer 'cure' shows danger of pseudoscience
...d to inhibit tumor formation and the growth of new blood
vessels that supply nutrients and oxygen to malignancies. "The fact is that it is possible that highly purified components of cartilage, including from sharks, may hold some benefit for treatment of human cancers," Ostrander said. "The key wil...
Vaccination with anthrax capsule protects against experimental infection in animals
... and prevents it from being ingested by host white blood
cells that would otherwise destroy it, thus allowing anthrax infection to progress. The toxins are thought to act mainly by damaging defensive cells called phagocytes, causing the immune system to malfunction. The efficacy of the current licensed an...
Green tea polyphenols thwart prostate cancer development at multiple levels
...s well as inhibiting the growth of tumor nurturing blood
vessels, according to research published in the De... levels. VEGF functions to recruit and develop new blood
vessels that carry nutrients to developing tumors. By reducing the amount of VEGF, GTP works to mini...
Salt-water minnow research helps explain human cardiology
...ertain class of drugs to treat high cholesterol or blood
sugar, and have a clearer understanding of an individual's propensity for heart disease....
Exercise doesn't work for us all
...l. Similar patterns were seen with cardiac output, blood
pressure, heart rate and other markers of fitness. Bouchard reported that the impact of training on insulin sensitivity- a marker of risk for diabetes and heart disease- also varied. It improved in 58 per cent of the volunteers following exercise, b...
Purdue research offers hope for canine, human spinal injuries
...s damaged cells and tissues when injected into the blood
stream and is not found in healthy or undamaged tissues nearby. These facts paved the way for clinical testing on paraplegic dogs at Purdue's School of Veterinary Medicine by Dr. Peter Laverty and his colleagues, and on paralyzed dogs at a partner in...
Study: Eat leafy green veggies to help prevent cataracts
...rough the bloodstream, but the lens doesn't have a blood
supply." This work was supported in part by the Ohio Agricultural Research and Development Center and the Virginia Vivian Scholarship Fund of Ohio State's College of Human Ecology. Bomser conducted the research with Ohio State...
New drug sidesteps Gleevec resistance in human trials
...tivated by a chromosomal mix-up that occurs during blood
cell development. The genes ABL and BCR, which are...BL, in turn, drives the overproliferation of white blood
cells that is the hallmark of CML. In studies published earlier this year in the journal Science , ...
Scientists discover key egg enzyme for blocking sperm entry after fertilization
...ells of the body can also generate peroxide. White blood
cells produce it in response to an infection, but ... urchins that is separate from those used by white blood
cells and is specifically involved in generating hydrogen peroxide at fertilization. The enzyme, nam...
Free radicals and fertilization: Study reveals egg protection secret
...y the results. "The best model we had was in white blood
cells, which use a similar burst of hydrogen perox... can also be helpful, killing germs, reducing high blood
pressure or, in this case, protecting fertilized eggs. Robbert Crton, assistant professor of biology...
Cigarette smoke a culprit in poor healing and increased scarring
... cells (which form linings of, among other things, blood
and lymph vessels and the heart) migrate from outside the wounded tissue. These cells then knit the healing tissue together. While smoke stimulates these cells to stay alive, it impairs their ability to move, causing them to bunch u...
Stanford study links obesity to hormonal changes from lack of sleep
...iables are measured and recorded during sleep) and blood
sampling once every four years. They also reported... is the first time that a peripheral marker in the blood
is shown to correlate with habitual sleep amounts in a general, normally behaving population." ...
Human gland probably evolved from gills
...hysiological processes such as muscle contraction, blood
coagulation and signalling by nerve cells, require...hyroid hormone if the calcium concentration in the blood
falls too low. This hormone then causes the release of calcium from bone, and increases its reuptake...
Red wine lovers, take heart: More evidence points to the drink's cardiac heath benefits
...esveratrol is already known for helping to prevent blood
clots and also possibly reducing cholesterol, this...ying to repair damage to the heart and to increase blood
pressure. But the plan usually backfires, as the hormone causes cardiac fibroblast production ...
Yale and Pfizer launch visiting professorship pilot program
...ng cancer cells anywhere in the body with a simple blood
test to detect a tumor long before it is clinically detectable. These assays allow even current treatments to be more effective. The early detection studies in Maihle's laboratory are particularly advanced for breast and ovarian cancer patients...
Study identifies key aspect of immune response against HIV
...lled by those molecules. The researchers analyzed blood
samples from 375 HIV-infected patients at the Dori...r. To examine the impact of Class 1 molecules on blood
viral levels, the team studied more than 700 chronically infected African patients and again found t...
Children's Hospital Boston launches major genetic study of autism
...will then give saliva samples for DNA analysis and blood
samples for RNA gene expression studies. Led by ...microarray ("gene-chip") studies of RNA from white blood
cells to examine differences in gene activity, or expression, among autistic children, their parents...
Nanotubes glow, even within biological cells
...rican Chemical Society. It suggests that the white blood
cells, which were incubated in dilute solutions of...r, but are about 10,000 times smaller than a white blood
cell. The latest tests bode well on two counts. Not only did the nanotubes retain their opti...
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