Tag: "blood" at biology news
New therapy for specific form of leukemia
...mphatic leukemiaIn normal circumstances, our white blood
cells combat foreign intruders, like viruses and b...ia, there is a breakdown in the formation of white blood
cells. The cells in the bone marrow that should develop into white blood
cells multiply out of contr...
Commandeering cellular machinery: recognition mechanism to detect small molecules
...cy room to rapidly test for chemical agents in the blood
of an unconscious patient. "If we could take the receptors, express them and put them into a device where there is a color change or another signal produced, we could potentially detect small molecules in a robust way that could complement or replace...
Stanford cooling tool may improve performance of athletes, soldiers
...es and veins located there by mechanically drawing blood
into them. The technology was used by some athlete...air out of the chamber," he explains. "This causes blood
to be pulled into the hand. Then we cool the overlying skin surface of the palm of the hand [by circ...
Use of aspirin or other NSAIDs increases survival
...l death (apoptosis) and inhibit the development of blood
vessels (angiogenesis) that feed a tumor. The Fox Chase researchers concluded that inhibiting these COX enzymes holds promise in prostate cancer treatment and warrants further studies. In addition to Nguyen, study authors included research biostatis...
Good news: As you age, leg blood vessels adapt so you can still exercise without fainting
...se, our heart and breathing rates rise rapidly and blood
vessels in our limbs dilate in order to deliver more oxygenated blood
to our working muscle cells. The rapid rise in blood
flow to the periphery -- especially to the leg...
Most promising clinical uses for stem cells from fat agreed on by international society
... other cell types, such as nerve, bone, muscle and blood
vessels; or it may be that they have properties of...iring or healing bone defects, promoting growth of blood
vessels in tissues not receiving sufficient blood
supply, and for treating acute or chronic cardiac ...
New study will tackle three major killer diseases
...ct's volunteers will have their height, weight and blood
pressure measured, and will have ultrasound tests to measure hardening of the arteries. Their blood
sugar and cholesterol levels will be assessed and a number of other risk factors measured. Each part...
Muscle-building hand-grips aid systolic blood pressure, carotid AD, endothelial function
...'s hand-grip has demonstrated the ability to lower blood
pressure, improve the flexibility of the carotid a...o stretch) contributed to the reduction in resting blood
pressure (RBP). They compared the impact of isometric arm and leg exercise on RBP as well as central...
The PSA bounce Does it have clinical significance?
...Ga. The PSA (prostate-specific antigen) test is a blood
test used for routine prostate cancer screening. The "PSA bounce" is a rise and then decline in the PSA level following radiation treatment for prostate cancer. The bounce phenomenon occurs in a third to half of men treated with radiation for pro...
Botulism bug says no to nitric oxide, provides key to molecule's role in human cell signaling
...clase to make cyclic GMP, a molecule that improves blood
flow by relaxing blood
vessel walls. Ferid Murad, M.D., Ph.D., professor and chairman of Integrative Biology and Pharmaco...
New risks for bladder cancer identified by MIT team
...to their paper. Specifically, they analyzed blood
samples from some 600 of the people involved in the study. Half had bladder cancer; the others did not but were matched against their counterparts for such things as age, sex and neighborhood. The team then measured exposure to the arylamines ...
Sedentary overweight people get insulin boost from short term exercise; CVD risks trend down
...etes, and in the optimal use of exercise to manage blood
sugar in people who already have diabetes." Positive CVD trend in concurrent study Both the NEG and ZERO groups of eight each were matched for age (30-60) and other physical characteristics and involved previously sedentary, over...
Report: How 10 top new technologies will help world reach globally-agreed goals by 2015
...ostic tools detect illness at a molecular level in blood
or tissues -- thus improving a patient's chance of... molecules, such as DNA or protein, in a patient's blood
or tissues; Recombinant vaccines against infectious diseases, produced through genetic engineering...
Embryonic stem cells correct congenital heart defect in mouse embryos
...owth and the normal development of capillaries and blood
vessels. Mice engineered without this protein, called Id "knock-out" mice, display severe cardiac defects and die at mid-gestation. "In this current study, with the repair of congenital heart defects in our Id knockout embryos, we observed that the ...
Protein protecting brain from toxins also blocks some chemotherapy from reaching tumors
...ering the brain by transporting them back into the blood
as they pass into the cells of this barrier. Us...capillaries. And if such molecules slip out of the blood
into the choroid plexus, Mrp4 shuttles them back out of the brain and into the blood
before they can...
Researchers provide road map for generating B cells from stem cells
... (HSCs), which give rise to the different types of blood
cells. Unlike embryonic stem cells, HSCs have alr...on and are committed to producing various types of blood
cells. "This is a wonderful model system," Singh said. "We know more about the differentiation of B...
Rice engineer wins prestigious Annunzio Award
...s to use a patient's own cells to grow replacement blood
vessels in the lab -- blood
vessels that can be used in procedures like coronary artery bypass grafting for patients with advanc...
Genetic link to risky pregnancy
...y, develops when the cells responsible for routing blood
and nutrients to the placenta are unable to do their job. The result is decreased blood
flow to the fetus, a situation that threatens both mother and developing child. The fetal cells cha...
New study on smallpox in monkeys reveals tactics of a killer
...n altered gene expression patterns in the monkeys' blood
cells. Dr. Relman used DNA microarrays, a tool una... expression and expression of some proteins in the blood
of monkeys when they are infected with smallpox virus. In their PNAS paper, Dr. Relman and colleague...
Estrogen protects male rats from aortic aneurysms
...ng bulges or weak areas in the main artery feeding blood
to the lower half of the body new research shows ...n." "Estrogen affects production of MMP-9 by white blood
cells called macrophages," Upchurch adds. "MMPs degrade collagen and elastin, two major proteins in ...
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