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Tag: "individuals" at biology news

Genomic Analysis Uncovers New Targets for HIV Vaccine

...ng of the factors that influence variation amongst individuals in how they control HIV-1, but also point torward ...ff by HIV-1. The new results suggest that for some individuals at least HLA-C is involved in controlling HIV-1. Since HIV-1 appears unable to shut off HLA-C, unlik...

Innovative smallpox vaccine research study to be conducted at Case Medical Center

...promised individuals, such as patients with HIV or individuals with certain skin conditions such as eczema,” says Robert A. Salata, M.D., chief of the Division of Infectious Diseases at Case Western Reserve University School of Medicine and UHCMC. The new vaccine, IMVAMUNE®, is different from Dryvax® in that...

Liver cancer patients with high serum levels of hepatitis B virus face poorer outcomes

...f cases of hepatocellular carcinoma (HCC) occur in individuals with the virus. For most patients whose cancer is inoperable, chemotherapy is one of the main treatment options, and still the prognosis is dismal. Survival is often measured in months. Researchers, led by Winnie Yeo of the Chinese University of H...

New study reports hotel guests at risk from carbon monoxide poisoning

...l guest is small, the accumulated lifetime risk to individuals who travel frequently would be higher. This risk could approach zero with effective CO prevention measures.” The authors contacted 43 sites where CO poisonings had occurred and found that only 12% had installed CO detectors after the incidents. I...

CSIRO scientists join fight to save 'Tassie devil'

...s correlating the frequency of devils and diseased individuals with different landscapes or land uses,” Mr Marvanek said. Dr Hyatt said helping the Tassie devil to survive the DFTD threat was crucial, not just because it is a major tourism attraction but also to ensure devils continue to play the vital role ...

Research team identifies new Alzheimer's gene

...y technology. The team screened the DNA from 1,400 individuals who had been clinically assessed with Alzheimer’s ...sence of GAB2, and may ultimately help millions of individuals reach a more informed decision regarding the most appropriate type and timing of treatment,” said Dr...

In mice, drug protects against diabetes and atherosclerosis

...2006, the scientists published their findings that individuals with a genetic variation of aP2 helps to protect humans against type 2 diabetes, heart disease, and hypertriglyceridemia. See here for more information. Now that the importance of this gene in diabetes and heart disease was clear in both mice and ...

New collaborative research reveals chimpanzees can sustain multiple-tradition cultures

...use and food extraction techniques to high-ranking individuals in four different captive chimpanzee communities. Researchers then observed as those individuals passed on the techniques to other members of their communities. The researchers included Frans de Wa...

Undergraduate research shows leaderless honeybee organizing

... behaviors coordinate the efforts of thousands of individuals to accomplish complex tasks – manufacturing, community defense, environmental control and maintenance, food production, brood-rearing and education. Like human civilizations, bee societies follow organizational principles, such as following social ru...

ASU research shows connection between testosterone, dietary antioxidants and bird coloration

...ght colors or elaborate songs ‘honest,’ or why all individuals cannot produce them ad nausea and try to get mates,” said McGraw. “The reason typically is that long tails and fancy dances incur costs. Testosterone, for example, has been thought of as a double-edged sword as it relates to sexual signals, because i...

Massive herds of animals found to still exist in Southern Sudan

...ng the conflict are now being used by unauthorized individuals for poaching and commercial, unsustainable hunting. The international aid community is building roads, hospitals, schools and commercial networks in the area without determining how this will affect the wildlife and without appropriate environmental ...

Genetic factors are linked to fever following smallpox vaccination

...lpox vaccine, which uses live vaccinia virus, some individuals developed fevers. The authors of the study, Samue...ses compared to those who do not. They studied 346 individuals who had participated in previous smallpox vaccination trials, 94 of whom developed fevers after vacc...

Study finds mix of disease processes at work in brains of most people with dementia

... The autopsies showed that about 85 percent of the individuals had evidence of at least one chronic disease process, such as Alzheimer’s disease, strokes, Parkinson’s disease, hemorrhages, tumors, traumatic brain injury or others. Comparison of the clinical and autopsy results showed that only 30 percent of ...

Runners -- Let thirst be your guide

...s, when exercising, a practice that could put some individuals engaging in prolonged types of endurance exercise at risk of potentially lethal water intoxication, say international experts who study disorders of water metabolism. Such exercise includes marathons, triathlons, and long distance cycling. This seri...

Clot-dissolving agent may be beneficial in treatment of severe frostbite

... within 24 hours of severe frostbite injury. These individuals were compared with 25 frostbite patients treated from 1995 to 2006 who did not receive tPA, plus one who received tPA more than 24 hours after injury. Among the six patients who received tPA within 24 hours of injury, six of 59 (10 percent) affect...

CU study reveals why starling females cheat

...rategies. "This is the first study to show that individuals from the same population mate with extra-pair males and gain both direct (like additional helpers) and indirect benefits (like better genes for the offspring), but that they do so in different contexts," said Dustin Rubenstein, a former Cornell gradu...

The mouflons of the Kerguelen archipelago

...that a population descended from a small number of individuals will exhibit numerous deficiencies and reduced gen...explained by elimination, over the generations, of individuals with low genetic diversity. In small isolated populations, related individuals are likely to reprodu...

Male circumcision overstated as prevention tool against AIDS

...ne cannot control the epidemic. The reason is that individuals in highly infected countries have multiple contacts with the infected so reducing transmission rates only defers the inevitable. The real question is what can be done with the prostitute community. Outlawing the world’s oldest profession would mos...

Putting feelings into words produces therapeutic effects in the brain

...velace Brain Mapping Center. They viewed images of individuals making different emotional expressions. Below the picture of the face they either saw two words, such as “angry” and “fearful,” and chose which emotion described the face, or they saw two names, such as “Harry” and “Sally,” and chose the gender-appro...

Ants show us how to make super-highways

...iety as a whole." Their experiments showed that individuals size-match to the hole they plug and cooperate to plug larger holes. "We did this by getting the ants to literally ‘walk the plank’, said Powell. "We inserted planks drilled with different sizes of hole into the army ants’ trails to see how well dif...

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