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Tag: "blood" at biology news

Bioartificial kidney under study at MCG

...ody of waste products and correct abnormalities in blood chemistry; they don't replace kidney function, " s... metabolizes calcium and phosphorus, stimulate red blood cell production, play a role in blood pressure regulation and clear and metabolize cytokines that he...

Association of herpesvirus with lung disorder questioned

...on and a potentially life-threatening form of high blood pressure, as reported in the March 1 issue of The Journal of Infectious Diseases, now available online. The researchers reported that they were not able to detect human herpesvirus 8 (HHV-8), also known as the Kaposi's sarcoma virus, in the lungs of...

Jump-starting T Cells In Skin Cancer

...es. Tumor-specific T cells can be detected in the blood and the tumors of many melanoma patients, and yet these cells are unable to kill the tumor. What causes the impotence of these T cells is a mystery. Equally mysterious is why vaccination against tumor-specific proteins sometimes causes tumor regressi...

Scientists ID molecular 'switch' in liver that triggers harmful effects of saturated and trans fats

...turated fats and trans-fatty acids causes elevated blood levels of cholesterol and triglycerides and increa...how saturated and trans fats caused an increase in blood cholesterol and triglycerides, while diets high in unsaturated and polyunsaturated fats did not. Evi...

Deficient DNA Repair Capacity Associated With Increased Risk Of Breast Cancer

... and colleagues analyzed cell lines generated from blood samples taken from pairs of sisters in which one sister had been diagnosed with breast cancer and the other had not. They found that DNA repair capacity was lower in breast cancer patients than in the control subjects. Deficient DNA repair capacity ...

Spleen may be source of versatile stem cells

...to supplement the bone marrow in replenishing your blood supply. Wemay find that the spleen kicks in to help with many more biologicalemergencies. What has been considered a practically unnecessary organmay actually provide critical healing cells," says Faustman, anassociate professor of Medicine at Harvar...

Source of molecular triggers in cutaneous T cell lymphoma identified

...ommon adult malignancy of T lymphocytes, the white blood cells of the immune system. Finding CTCL triggering factors has been a major goal of Richard L. Edelson, M.D., Director of the Yale Cancer Center, and professor and chair of dermatology at Yale, since he and his colleagues at the National Cancer Inst...

Poor prenatal nutrition permanently damages function of insulin-producing cells in the pancreas

...ity to later secrete enough insulin in response to blood glucose. "The bottom line is that if you don't ha... with abnormal development of the placenta and its blood vessels, or high blood pressure, which damages vessels." In addition, many other factors can result ...

Emory Study Tests Bone Marrow Stem Cells to Improve Circulation in Legs

... cells generatedwithin the bone marrow to grow new blood vessels that could improvecirculation in patients ...disease (PVD). Individuals with PVD have decreased blood flow to the muscles ofthe legs, especially during exercise, which causes pain, aching,cramping or fa...

Fox Chase Cancer Center scientists identify immune-system mutation

...on that keeps a mouse strain from developing white blood cells, or lymphocytes, called helper T cells. The ...ediated immunity) and also for helping other white blood cells (B cells, derived from bone marrow) generate antibodies against foreign agents that enter the ...

Genome of deadly amoeba shows surprising complexity, evidence of lateral gene transfer

...y, a severe diarrhea that is often associated with blood in the feces. Unchecked, the diarrhea associated with the disease can be fatal, especially in children. One field study in Bangladesh found that E. histolytica infection occurred at least once in 80 percent of 300 children. Over a period of four year...

Recent breakthroughs in common adult leukemia highlighted in New England Journal of Medicine

...was considered a uniform disease of immature white blood cells that didn't die, with the slow rise in leuke...cumulation of these immature and incompetent white blood cells. Scientists have since discovered that CLL cells do indeed turn over, with the accumulation ov...

Another Look Finds Promising Proteomics Test is Not Biologically Plausible

...entify early ovarian cancer from a small sample of blood is unlikely to lead to a reliable clinical test right away. After conducting repeated checks of the data that supported the test’s effectiveness, the researchers say their findings indicate that claims about the experimental protein-based assay are ...

New species from old data

...entify early ovarian cancer from a small sample of blood is unlikely to lead to a reliable clinical test right away. After conducting repeated checks of the data that supported the test’s effectiveness, the researchers say their findings indicate that claims about the experimental protein-based assay are ...

Cracking the olfactory code in bees

...entify early ovarian cancer from a small sample of blood is unlikely to lead to a reliable clinical test right away. After conducting repeated checks of the data that supported the test’s effectiveness, the researchers say their findings indicate that claims about the experimental protein-based assay are ...

Signaling protein builds bigger, better bones in mice

...entify early ovarian cancer from a small sample of blood is unlikely to lead to a reliable clinical test right away. After conducting repeated checks of the data that supported the test’s effectiveness, the researchers say their findings indicate that claims about the experimental protein-based assay are ...

New Technique for Tracking Gene Regulators

...y identityof cells ?be they brain cells, liver, or blood ?as well as what mightgo awry in certain conditions like cancer. TheBrookhaven scientists, together with collaborators from Oregon Health& Science University, Emory School of Medicine, and Stony BrookUniversity, have published the first results ...

Iron Deficiency Sparks Dramatic Changes In Gene Expression

...recognized symptom is anemia, in which too few red blood cells areproduced, and the body is deprived of oxy...ncy also contributes to thepathology of hereditary blood disorders, Parkinson's disease andcertain cancers and develops during a number of chronic diseases, ...

U of M researcher examines newly emerging deadly disease

...erized by the depletion of clotting factors in the blood and skin lesions. Purpura fulminans refers to wide...y centimeters in diameter caused by the leakage of blood into the skin. "It is important to alert medical professionals about the symptoms and treatments of...

Leukemia Drug Breakthrough Study In New England Journal Of Medicine

..., Revlimid simultaneously blocks the growth of new blood vessels that nourish tumors (anti-angiogenesis) an...rvations that the agent improved the growth of red blood cell precursors from MDS bone marrow. Celgene will submit the seminal findings of List's phase I tri...

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