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Tag: "bleeding" at biology news

Researchers discover molecule that causes secondary stroke

...k, PhD, results from a buildup of toxins caused by bleeding from the initial stroke. "Normally the cerebral spinal fluid that envelopes the brain carries off wastes and exchanges them for nutrients at what's called the blood-brain barrier," Dr. Clark says. "After a hemorrhagic stroke, however, toxins given of...

WHO Warns Of Increased Risk Of Vector-borne Diseases In Tsunami-affected Areas

... die. * Severe abdominal pains (black stools), bleeding on the skin or from the nose or gums, sweating, cold skin are danger signs. If any one of them is noticed, the patient should be taken to a hospital immediately. * The patient should be given fluids to drink during transfer to the hospital. *...

Alzheimer's cognitive decline slowed

...ved as the cells were being injected, resulting in bleeding in the brain. One of these patients died five week later. As a result of the bleeds, the protocol was redesigned to perform the procedure under general anesthesia and all subsequent procedures were performed without complication. Cognitive outcomes ...

FDA Announces Series of Changes to the Class of Marketed Non-Steroidal Anti-Inflammatory Drugs (NSAIDs)

...rdiovascular (CV) events and gastrointestinal (GI) bleeding associated with their use. Manufacturers of Celebrex and all other prescription NSAIDs will be asked to revise their labeling to include a Medication Guide for patients to help make them aware of the potential for CV and GI adverse events associated ...

Bevacizumab Combined With Chemotherapy Improves Progression-Free Survival for Patients With Advanced Breast Cancer

...blood clots or who were on blood thinners. Serious bleeding and blood clots were rare in this study. Patients receiving the combination of paclitaxel and bevacizumab had slightly more neuropathy, or problem in peripheral nerve function (any part of the nervous system except the brain and spinal cord); abnorma...

Embryonic Stem Cells Treated With Growth Factor Reverse Hemophilia In Mice: UNC Researchers

...ctor IX, which in humans results in the hereditary bleeding disorder known as hemophilia B. This disease, much less common than hemophilia A, affects roughly one of every 35,000 people, primarily males. Although embryonic stem, or ES, cells can differentiate into most cell types in the body, numerous problem...

Fragment of yellow fever virus may hold key to safer vaccine

...--, jaundice, liver, kidney, and heart damage, and bleeding from the mouth, nose, eyes or stomach. At that stage, ter Meulen and colleagues reported last year in the Journal of Infectious Diseases, a person's own immune system, disrupted by its reaction to yellow fever virus infection, may lead to death rathe...

Redesigned protein accelerates blood clotting

...rited blood disorder that causes easy or excessive bleeding in 30,000 Americans. In most cases, hemophilia is caused by a lack of factor VIII, one of several proteins that enable blood to solidify, or clot, to plug wounds after injury. Current preventive treatment consists of genetically engineered factor VI...

Gene therapy advance treats hemophilia in mouse models

...wo ways creates a sustained, partial correction to bleeding problems in mice A virus that typically infects i...even a bump on the knee can cause serious internal bleeding in people. Researchers at the University of Iowa Roy J. and Lucille A. Carver College of Medicine i...

Scientists show that tick-borne flaviviruses use a novel mechanism to evade host defenses

...hat cause capillaries to burst, leading to unusual bleeding on or under the skin or in various organs. The study released this week online in the Journal of Virology describes how a single virus protein--NS5--from the tick-borne Langat flavivirus counteracts the natural ability of interferon to combat the vi...

Why do aneurysms form? New studies suggest leading role for white blood cells

...st and who will die within minutes or hours if the bleeding isn't stopped. AAAs can go undetected for years; experts sometimes refer to them as a "ticking time bomb" inside a patient's abdomen. In fact, an estimated 10 percent of all men over the age of 70 may have intact aortic aneurysms, which cause few sy...

The very defensive caterpillar

Caterpillars are bleeding defensive! Insects are known to lack an antibody-mediated immune response, and research in caterpillars has recently shown that, instead, they produce protective proteins in response to bacterial infection. The pattern recognition receptors (PRR) and...

Promising therapies for haemophilia & heart disease

...more effective means of achieving clotting to stop bleeding incidents in haemophiliacs. Because they carry it naturally in their bodies, patients are highly unlikely to make antibodies against P-selectin. P-selectin also has a longer half-life than clotting factors so treatment is likely to be less frequent. ...

Genetic variation alters response to common anti-clotting drug

...xample, too high of a dose can result in excessive bleeding while too little of a dose could allow dangerous blood clots to form. Doctors primarily use information about a patient's sex, age, weight, and medical history to set the initial warfarin dose. However, it can take several months of clinic visits an...

Pillows - a hot bed of fungal spores

...world's population, causing general ill-health and bleeding in the lung, as well as causing a range of plant and animal diseases. Dr Geoffrey Scott, Chairman of the Fungal Research Trust which funded the study, said: "These new findings are potentially of major significance to people with allergic diseases ...

Implantable pumps extend lives of patients too sick for transplant

...ns of LVADs, said the researchers, include stroke, bleeding episodes and infections, especially at the site in the side of the body where the pump is connected to an external power source and computer. "We already had a lot of data on the device when it was being used as bridge to transplantation," he contin...

Ancient DNA helps UF researchers unearth potential hemophilia therapy

...tients with the most common form of the hereditary bleeding disorder. Using a dormant strand of DNA that has q...oms of the disease, gene therapy prevented profuse bleeding in the animals, the findings show. More than 18,000 Americans, nearly all men, have hemophilia A, t...

Aspirin reduces cardiovascular risks in men and women -- but differently

...spirin, however, also carries an increased risk of bleeding among both sexes, the study found. The results of ...hout potential risks, especially in terms of major bleeding episodes. The analysis found that routine aspirin use for an average of 6.4 years would lead to 2.5 ...

Taipan venom no snake oil

...esearcher Liam St Pierre to rapidly stop excessive bleeding during vascular surgery and major trauma. The genetic code for the toxin, Factor X (Factor Ten), was identified by PhD researcher Liam St Pierre from QUT's School of Life Sciences who studied the venom of eight of Australia's deadliest land snakes f...

Mutation in blood stem cells provides clues to cancer development

...cute leukemia. Currently, patients are treated by bleeding them (phlebotomy) or administering low-dose chemotherapy. Co-author Jason Gotlib, M.D., M.S., assistant professor of medicine at the Stanford University School of Medicine said, "We now appreciate that the challenge in fighting certain forms of blo...

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