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Tag: "blood" at biology news

Inflammation's trigger finger

... attacking any invader in the same way by boosting blood flow and recruiting specialized cells to attack and destroy the invading organisms. In some diseases, however, the immune system misfires and attacks the body, inflaming nerve, liver, muscle and other cells. Because of its central role in i...

Maternal DHA levels plays important role in infant development

... In this study, we measured DHA levels in mothers' blood when their infants were born. We then followed th...rs. We found that infants whose mothers had higher blood levels of DHA at birth showed more mature forms of attention during their first two years. We also ...

Patients' cells from tumors, the immune system merged for customized cancer therapy

...he immune system develops T cells, which are white blood cells, to recognize foreign proteins, cells, and other matter that causes disease or infection. Tumor cells produce proteins, carbohydrates and other molecules that are different than the healthy cells that are normally found in the human body. The i...

Scientists identify molecular link driving spread of skin cancer

...was shown to inhibit angiogenesis--the creation of blood vessels that nourish new, secondary tumors--and sp...aller in size and lacking in ample growth of novel blood vessels, compared to the tumors that developed in mice that received no synthetic peptide treatment....

New drug shows promise against Gleevec resistance in mice

...tivated by a chromosomal mix-up that occurs during blood cell development. The genes ABL and BCR , which...BL, in turn, drives the overproliferation of white blood cells that is the hallmark of CML. In the studies published in Science , Sawyers and his...

Acamprosate: potential medication for treating alcoholism

...the metabolism of alcohol, for example, increasing blood alcohol levels that would make the person more intoxicated per unit of drink consumed, or increase levels of intoxication by direct brain interaction with alcohol. This type of research also relates to how safely a medication can be used when a pers...

Most Americans not sure about the sources of high cholesterol

...olesterol is a form of fat or "lipid" found in the blood and all cells of the body. It is critically impor... over time, excess LDL (or bad) cholesterol in the blood can build up on the inner walls of the arteries that supply blood to the heart. These deposits form...

Argonne scientists determine structure of staph, anthrax enzyme

...function. But little free iron is available in the blood stream because most of it is bound in red blood cells. So the bacteria develop a mechanism to pry open the red blood cells, and these proteins help ...

Oxygen sensing in worms may hold key to healthy blood pressure in humans

...with nitric oxide molecules critical to regulating blood pressure. When nitric oxide enters a human cell it... of cyclic GMP, a protein that relaxes and dilates blood vessels. The ability of guanylate cyclase to sense and interact with nitric oxide also plays a promi...

Mouse brain stem cells capable of converting into blood vessel cells

...s including those involved in the formation of new blood vessels, according to a new study supported by the... human endothelial cells, which form the lining of blood vessels. Over time, about 6 percent of the mouse neural stem cells began to show signs that they had...

Vioxx in high doses causes hypertension

...ion of the arthritis pain reliever Vioxx can raise blood pressure and the risk of serious heart problems. Y...art attack and congestive heart failure, a rise in blood pressure and a greater incidence of edema, or swelling, in the arms and legs, which can put extra st...

Gene profiles could improve acute leukemia diagnosis and lead to better treatments

...ially give rise to any one of the various types of blood cells. Progenitor cells are those that have arisen... and are committed to producing a specific type of blood cell. The study of children and adults found that leukemic cells of each major known prognostic su...

Scientists discover key step in the development of nerve cells controlling autonomic functions

...ns for the control of vital body functions such as blood pressure, heart rate, and electrolyte balance. T...h has a well documented role in the development of blood cells. In humans, Runx1 is called AML1. AML1 is the most frequent target of chromosomal translocat...

New pulmonary hypertension guideline challenges use of common medication

...annel blockers, a commonly used treatment for high blood pressure, in unstable patients due to the potentia...ondition that occurs when the arteries that supply blood to the lungs become constricted, limiting the blood flow to the lungs and, ultimately, causing high ...

New research suggests previously unrecognized mechanism by which blood vessels are patterned

...receptor in endothelial cells (the cells that line blood vessels) that when interrupted in mice, results in CHD and defects in the growth and arrangement of blood vessels (patterning). "With the identification of this receptor, we hope to one day develop molecul...

New lower-cost assay system equivalent to flow cytometry for accurate CD4+/CD8+ cell counts

...dy Design and Results The investigators collected blood samples from volunteers and delivered them to each...hods in triplicate. In addition, a tube of matched blood was analyzed by the predicate BD MultiTEST TM method at the UCSF Clinical Laboratory. A plot of per...

Gene therapy alternative to calcium channel blockers

...her forms of heart disease, but they can cause low blood pressure, heart block and constipation," said study lead author and cardiovascular physiologist Eduardo Marbn, M.D., Ph.D., professor and chief of cardiology at The Johns Hopkins University School of Medicine. Marbn is also director of the Hopkins I...

Warren Pharmaceuticals publishes results of preclinical evaluation

...s a naturally-occurring protein that increases red blood cell production, and recombinant human EPO is mark...ney failure have received EPO for treatment of low blood count, generating over $9 billion in annual worldwide sales. This compound has attracted special in...

Researchers discover how worms' noses sense oxygen

...em, activating an enzyme that triggers dilation of blood vessels and thereby controls blood pressure. It was work on this NO-sensing enzyme that led Marletta into C. elegans research. The enzy...

Mosquito researchers track dengue fever in Sonora, Mexico

...e and West Nile viruses, the researchers will test blood collected from patients to identify which strains ...disease. In dengue hemorrhagic fever, the person's blood vessels start to leak, causing bleeding from the nose and mouth. Of those people who get the hemorrh...

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(Date:12/4/2008)...er in new treatments for sickle cell disease and t...ay News) -- Scientists have identified a gene muta...bin and causes two life-threatening anemias -- sic... could eventually lead to new treatments that coul...e life-threatening diseases into manageable chroni...
(Date:12/4/2008).... 4 The Commander of Th...ed the following statement concerning illegal drug... Center: , , "The men and women of The Amer...00 war time veterans, are following the revelation...lis, Roudebush VA Medical Center with dismay and k...
(Date:12/4/2008)... Many Americans have lost more than just retireme... has sliced the U.S. stock market,s value by nearl...linois elder law expert says. , Law professor Ri... now be short of funds for costly long-term medica... during their golden years. , "This is one of t...
(Date:12/4/2008)...for a moment. What do you remember about your brea...call the smell of coffee brewing, while another wi... the door. How does the brain weave together these...scious life? , Researchers led by Prof. Itzhak F...ler Faculty of Medicine, are proving scientificall...
Breaking Medicine News(10 mins):Health News:Gene Behind Childhood Anemias Found 2Health News:Gene Behind Childhood Anemias Found 3Health News:American Legion, Department of Indiana Releases Statement Concerning Revelations of Illicit Drug Trafficking at Roudebush VA Medical Center 2Health News:Expert: Long-term care health coverage a hidden casualty of economic slide 2Health News:Expert: Long-term care health coverage a hidden casualty of economic slide 3Health News:Unlocking the mysteries of memory 2
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