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Tag: "blood" at biology news

New Look at DNA Hints at Origin of UV Damage

...as, which spread the infection as they feed on the blood of mammals. There are different forms of plague in humans -- bubonic, pneumonic and septicemic -- depending on site of infection; and infections in humans are highly lethal if not immediately treated. "Dr Aballay has developed a new model for dissec...

Scientists discover that three molecules may be developed into new Alzheimer's drugs

...so important to find molecules that will cross the blood brain barrier. They then set up a test of nearly 400 small molecules that fit their criteria. The test results showed three small molecules that can inhibit the enzyme. These are candidates for development as drugs. Kosik explained that proteins ar...

Discoveries by UAB and Florida scientists may help transplanted organs survive longer

...unosuppressive and other properties that help keep blood vessels healthy. Chronic vascular rejection, chara...the interior lining that eventually chokes off the blood supply, is a major cause of the loss of function in solid organ transplants. The study, carried out...

Scientists at Galileo Pharmaceuticals confirm inflammatory response linked to glucose levels

...so important to find molecules that will cross the blood brain barrier. They then set up a test of nearly 400 small molecules that fit their criteria. The test results showed three small molecules that can inhibit the enzyme. These are candidates for development as drugs. Kosik explained that proteins ar...

Unexpected lock and key mechanism found for the assembly of tumor blood vessels

...hat allows the final step in the completion of new blood vessel formation has been identified by a Universi... way to halt tumor growth by cutting off the tumor blood supply. The research team led by Judith Varner, Ph.D., Associate Professor of Medicine at UCSD and ...

New complete muscle grown in the lab

... grown new muscle complete with its own network of blood vessels in the laboratory, and implanted the new m...h are the precursors to mature skeletal muscle and blood vessel cells. The researchers also added connective tissue cells called fibroblasts to the mix as a ...

Going To Extremes To Improve Human Health

...us on sleep apnea which can set the stage for high blood pressure. Halliwill, who also studies factors responsible for changes in blood flow to various regions of the body, co-directs the university's Exercise and Environmental Physiolo...

Identification of specific genes predicts which patients will respond to Hepatitis C treatment

...in patients' liver biopsies, with perhaps a simple blood test, may be helpful in deciding who will respond to treatment of chronic Hepatitis C with the current combination therapy using the synthetic antiviral agent ribavirin and interferon. This treatment can currently get rid of the virus in only roughly...

Bacteria use host's immune response to their competitive advantage

...es the immune system to send out specialized white blood cells that attack its competitor, Streptococcus pneumoniae--a leading cause of pneumonia. "It is striking that the host's response can so completely eliminate the competitor," says Weiser. The findings also demonstrate how antibiotics and vaccines t...

Attacks of King George III's madness linked to key metabolism molecule

PGC-1 mediates effects of nutrition on blood disease porphyria Dana-Farber Cancer Institute re...and physical symptoms of porphyria, a rare genetic blood disease which a number of modern researchers believe plagued King George intermittently throughout h...

Gene expands malaria's invasion options

... falciparum uses different pathways to invade red blood cells, evading the body's immune system and compli...rldwide. Some P. falciparum strains invade red blood cells via protein receptors on the surface that contain a sugar known as sialic acid. If scientists ...

Scientists find that protein controls aging by controlling insulin

...red, it acts as a hormone, circulating through the blood and binding to cells. Therapies based on this hormone could prove to be a way to extend life or slow its effects, said Dr. Makoto Kuro-o, assistant professor of pathology and senior author of the study published in today's online issue of Science Ex...

Microscopic brain imaging in the palm of your hand

...copy technique to glean the detailed images of the blood vessels in the hippocampus sections of the brains ...tinal exams in humans. The fluorescein labeled the blood plasma so the vessels in the brain could be clearly seen. There are many different options for fur...

Fragment of yellow fever virus may hold key to safer vaccine

...ever laboratory in Conakry to collect and evaluate blood samples from patients. In people, the mosquito-bo...at Philipps-Universitat in Marburg, Germany. Using blood samples from two yellow fever patients who had recovered, and sophisticated molecular techniques, th...

Redesigned protein accelerates blood clotting

... have doubled the potency of a protein that drives blood to clot, according to research to be published in ...ons for the treatment of hemophilia, the inherited blood disorder that causes easy or excessive bleeding in 30,000 Americans. In most cases, hemophilia is c...

New type of rejection blocker protects kidneys after transplant

...nti-rejection drugs, including kidney damage, high blood pressure and high cholesterol. In the August 25 i...comparable total cholesterol levels and comparable blood pressure levels at 12 months. However, 53 percent of cyclosporine patients required lipid-lowering m...

Hepatitis C responds best to combo of ribavirin and interferon, study concludes

...herapy patients included a reduced number of white blood cells; skin disorders such as dry skin and rash; stomach complaints such as lack of appetite, nausea and indigestion; infections; insomnia; difficulty breathing, cough and fatigue. "The beneficial effect of adding ribavirin to interferon is not full...

University of Nevada, Reno research team discovers hormone that causes malaria mosquito to urinate

...heir effects on mosquitoes. When a mosquito sucks blood from a human--and only pregnant female mosquitoes do this--it will take in twice its body weight in blood. To decrease this added weight, the mosquito urinates on its victim to release fluids. Coast discovered that introducing one of the two diuret...

New Discovery May Help Doctors Treat Infertility

...udy are found to be applicable to humans, a simple blood test will be able to provide enough information to...of the estrogen receptor beta. The results of this blood test, coupled with information from other medical tests and evaluations conducted by the physician, ...

Most common lung cancers may begin in newly discovered cells

...made certain that BASCs were not stem cells of the blood or blood vessels. The BASCs passed the rigorous tests for stem cells. In response to two types of lung damag...

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