Tag: "blood" at biology news
Wistar-discovered antibody will help diagnose appendicitis
... the CD15 receptor on neutrophils, a type of white blood
cell that travels through the body to sites of inf...ower abdomen, fever, nausea, and an elevated white blood
cell count. NeutroSpec enables physicians to rapidly diagnose appendicitis in cases without straight...
UCSD team determines cellular stress within body is critical
...cells does not allow for the normal development of blood
and lymph vessels within the tumor, which could co... kidney controls how much water and salt is in our blood
using a mechanism that results in very high levels of osmotic stress within certain areas of the kid...
New compound 'highly efficacious' at reducing human tumour growth
...nd tumour-induced angiogenesis (development of new blood
vessels to supply the growing tumour with oxygen) ...uced vascular permeability in vivo and reduced the blood
supply of human tumour xenografts. "These animal data are very promising in terms of anti-tumour eff...
Macrophages, not stem cells, correct liver disease by fusion
...s. "Various labs have reported that bone marrow or blood
stem cells are like super cells. They can turn int...brain, muscle," Grompe said. "Our thought was that blood
stem cells are really there to repair all tissues, and we showed that you can cure liver disease wit...
Protein controls acid in cells by direct detection of volume changes, study finds
... heart attacks and strokes. In ischemia, where the blood
supply is cut off to cardiac cells or brain cells, cells become very acidic. As the body's normal metabolism gets going again, the NHE1 system starts pumping out the accumulated acid, exchanging the acid for sodium. "It's such an active system that y...
Crystal structure for anthrax-cell binding complex
...: there is no existing antidote once the toxin is blood
borne. The studies published by Liddington and co...eceptor is mostly found on the cells that form the blood
vessel of tumors. This probably explains why anthrax toxin at sub-lethal doses has strong anti-tumor...
JCI table of contents, 1 July 2004
...erson can bleed uncontrollably from large or small blood
vessels. The physical cause is the lack of functioning blood
platelets, which promote blood
clotting. There are several forms of thrombocytopenia, each with diff...
ALL survivors bear genetic damage from life-saving chemotherapy
...s of alterations found within a marker gene in the blood
cells of ALL patients at four intervals, between t...y examining the number of T cells in the patients' blood
that contained mutations in the HPRT reporter gene, the researchers estimated how frequently chemoth...
Microscopy scans show how brain cells process energy
..., but rather surrogates for activity -- changes in blood
flow (in the case of PET) and blood
oxygenation (fMRI) -- Kasischke explained. He compares PET and fMRI scans to pictures from cameras w...
The key to cell motility
...the healing process, of vascular cells to make new blood
vessels, of cancer cells to metastasize, and of ne...ng the movement of human neutrophilsthe phagocytic blood
cells that chase down, engulf, and destroy bacterial pathogens as part of the body's innate immune r...
Highlights of the July Journal of the American Dietetic Association
... problems such as diabetes, heart disease and high blood
pressure. Researchers at The Pennsylvania State University studied 153 girls living in central Pennsylvania. They found that girls who were at risk for excess weight at age 5 had significantly higher rates of "dietary restraint" by age 9 because of t...
Bacteria spill their guts to aid researchers in quest for new antibiotics
... to detect mechanical forces, whether it is touch, blood
pressure or osmotic forces in the kidney, is crucial for essentially all life." Little is known of how mechanosensors function. Although MscL is the best-studied of these proteins, scientists aren't in agreement on how the molecule changes its struct...
Endurance exercise found to be equally effective as diuretics in improving cardiac health
... cardiac health? Background Hypertension or high blood
pressure during the contraction of the heart is ep...predictor of heart failure independent of level of blood
pressure (BP) in hypertensive adults. Reduction of blood
pressure during contraction can reduce the...
Measuring blood sugar with a wave of the arm
...s, thanks to a new under-skin sensor that monitors blood
sugar levels with a simple wave of the arm. The se...s an inexpensive device to continually monitor the blood
glucose levels of people with diabetes, the passive sensor requires no internal power supply and no ...
Endometriosis: Could angiostatic therapy be the new treatment of the future?
...any: Chemicals that inhibit the development of new blood
vessels could prove to be a new way of treating en... therapy (therapy that inhibits the development of blood
vessels) could prevent new endometriosis lesions growing and whether it could interfere with the mai...
Hopkins to found first center for comprehensive study of epigenetics
... quantitative medical examination to go along with blood
and tissue samples," says Feinberg. "There is great scientific value in what they have and what they do." In particular, Feinberg points out that researchers at the IHF invented high-throughput, quantitative phenotyping -- the ability to rapidly asse...
Kaposi's sarcoma virus 'reprograms' blood vessel cells into lymphatic cells
...ime, that Kaposi's sarcoma tumors are derived from blood
vessel endothelial [lining] cells that have been r...th lymphatic vessel development and 'switches off' blood
vessel genes." The most common malignant tumor seen in patients with AIDS, KS also develops in other...
Genetic basis for individual variations in the response to stress
...). Adrenocorticotropin (ACTH), cortisol, diastolic blood
pressure, and mean blood
pressure responses to the TSST were significantly greater in subjects homozygous for the T allele or...
Joslin researchers identify key molecule in Type 1 diabetes progression
...ancreas. At an early stage in this process, white blood
cells called T-cells invade the islets of Langerha...e 1 diabetes cannot be cured, but by keeping their blood
glucose levels as close to normal as possible, many people with diabetes can prevent or slow down th...
New insight into cancer metastasis
...vade a nearby tissue, then make their way into the blood
or lymphatic vessels. Next they must migrate through the bloodstream to a distant site, exit the bloodstream, and establish new colonies. The entire operation involves so many steps that it raises an obvious question: How do cancer cells cobble these...
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