Tag: "blood" at biology news
Other highlights in the January 5 JNCI
...angiogenesis in a mouse model but had no effect on blood
angiogenesis or the survival or function of existi...uld be specifically blocked without also affecting blood
angiogenesis or existing lymphatic vessels. Melody A. Swartz, Ph.D., of Northwestern University in C...
Stem cell therapy for ailing hearts
... FL (Jan. 4, 2005) Stem cells from umbilical cord blood
effectively treated heart attacks in an animal stu...attack, stem cells taken from human umbilical cord blood
(HUCB) greatly reduced the size of heart damage and restored pumping function to near normal. This ...
Higher blood pressures among African Americans - genes not likely to be an explanation
...ics may not be enough to explain the rates of high blood
pressure in US African-American populations, accor...n descent are much more likely to suffer from high blood
pressure, and related conditions such as obesity and stroke, than white populations of European desc...
DNA movement linked to formation of antibody genes
...hich encode antibodies, are created in specialized blood
cells called B lymphocytes. This regulated process that involves local chromosomal rearrangements such as deletions and inversions is responsible for generating the diversity of antibodies produced by these cells. For many years these two processes...
No blind mice, thanks to UF scientists
...e with simulated retinopathy, ending the explosive blood
vessel growth that characterizes the condition. R...lenced SDF-1's signal to activate normally helpful blood
stem cells, which become too much of a good thing within the close confines of the eyeball. "SDF-1 i...
Don't count on vitamin C to boost your exercise performance
...fused with acute amounts just before exercise, the blood
results were surprisingly uniform between ages and...sing an increased need for oxygen and sending more blood
going to the muscles." Also it was thought that regular exercise lowers even older persons' oxidati...
Researchers tease out one critical role of tumor-suppressor gene
...a lack of Rb during embryonic development kept red blood
cells from fully maturing. "While we don't think t...t Columbia University. The researchers studied red blood
cells and macrophages taken from the liver tissue of mouse embryos bred to lack Rb. Macrophages are ...
Scientists discover key genetic factor in determining HIV/AIDS risk
...ity-Base in San Antonio. The researchers analyzed blood
samples from more than 4,300 HIV-positive and -negative people of different ancestral origins to determine the average number of CCL3L1 gene copies in each group. They found that, for example, HIV-negative African-American adults had an average of fo...
Scientists find that the human nose is more complicated than a jumbo jet
...complex in the body, even more so than the flow of blood
through the heart, with anatomical structures that cause eddies, whirls and recirculation. Dr Denis Doorly, the other principal researcher, said, "People are used to the flows around an aeroplane being complicated but that is in some ways simpler tha...
FDA approves ABRAXANE(TM) for metastatic breast cancer
...ns despite premedication and lowering of the white blood
cell count (neutropenia). In animals, Cremophor h...tes the delivery of essential molecules across the blood
vessel wall into tissues by activating recently discovered albumin receptors on blood
Lynn Sage Comprehensive Breast Center plays role in newly approved breast cancer drug, ABRAXANE
...y particles (nanoparticles 100th the size of a red blood
cell) in which the active chemotherapeutic drug, paclitaxel, is bound to a naturally occurring protein called albumin. By using this nanotechnology, the active component (paclitaxel) can be delivered into the body at a 50% higher dose over 30 minute...
Searle grant funds proteomics initiative
...on, resulting in an inability of the heart to pump blood
efficiently. The FTMS will enable us to identify these subtle changes and provide information important in the diagnosis and treatment of major killers such as heart disease." The CBC expects the FTMS to be in place and usable by summer of 2005. Befo...
Development of portable infectious disease detector
...tor their condition since the introduction of home blood
glucose detectors." The collaboration's goal is to produce its first portable HIV monitor within two years. In addition to such "point of care" devices, Wikswo and Pyle are joining forces to develop "high-throughput" screening systems that can determ...
High sugar levels increase cancer and mortality risk
sugar levels and diabetes are risk factors for dev... well as those without diabetes and higher fasting blood
sugar levels, were more likely to develop cancer or to die from cancer. For those without diabetes, ...
Thinking small: Texas A&M team creates lab-on-a-chip
...olutions, oils, some types of powders and even red blood
cells and bacteria. It could be theoretically possible to reduce an entire chemistry lab to a few postage-stamp sized chips. "Try to picture individual chemical beakers (droplets) being merged into other chemical beakers. That's the principal involv...
Tips from the journals of the American Society for Microbiology
...es over a period of five weeks. They then screened blood
samples and found antibodies that targeted a specific protein on the surface of the organism even in the harsh chemical conditions of shampoo. "Here we describe a novel approach for preventing the formation of dandruff by inhibition of M. furfur wi...
K-State professors develop vaccine to prevent abscess in liver of cattle
...acteria crosses the stomach wall and gets into the blood
stream, it is trapped inside the liver, producing a toxin which kills white blood
cells or leukocytes, which generally defend the body from germs or infections. The vaccine prevents ...
Mitochondrial DNA mutations play significant role in prostate cancer
... COI gene in 260 prostate cancer tissue samples or blood
cells from patients with confirmed cancer who had undergone radical prostatectomies between 1995 and 2002, and 54 tissue samples from patients who had prostate biopsies but were found to be cancer free. Twelve percent of all the prostate cancer sampl...
EB and IUPS - Where cures of tomorrow can be seen in the science of today
... Symposia cover topics such as the genetic maps of blood
pressure control; computational biology of cardiac arrhythmias; discovery of the genes for polycystic kidney disease; gene regulation for survival at low temperature; physiology of diving and extreme physiology at depth and the rescue mechanisms of t...
Blood test shows promise as monitor for antiangiogenic cancer therapy
...ogenic cancer therapy targets the formation of new blood
vessels used to support tumor growth. Although man... whether circulating levels of a class of specific blood
cells that contribute to the formation of tumor vessels provide any useful information about the eff...
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