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Tag: "body" at biology news

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

...receive tPA. “Moreover, no proximal [closer to the body than the fingers or toes] amputations were required in the patients who received tPA within 24 hours in our series,” the authors write. “The control group underwent 14 proximal amputations, including five below the knee. The preservation of limbs, wh...

Weizmann Institute scientists develop a general 'control switch' for protein activity

...to its natural level, at specific locations in the body and at specific times – all this by giving exact and well-timed doses of the same simple drug. In addition, the method could be used one day in gene therapy. It may be possible to replace damaged proteins that cause severe diseases with genetical...

Fat fish put obesity on the hook

...s called the “adipostat.” The adipostat regulates body weight homeostatically, like the thermostat in a h..., and works to keep long-term energy stores—a.k.a. body fat—constant. The adipostat is what makes it difficult for people to lose weight and keep it off. ...

Reconstructing the biology of extinct species: A new approach

...absolutely larger canals, the analysis had to take body size into account. The research revealed that this functional tie between the semicircular canals and locomotor pattern is evident both within the primates alone and within the entire mammalian sample. "How an animal moves is a basic adaptation,"...

How 'memory' T cells curb the spread of viruses throughout the body

...ers helps explain how “memory” T cells protect the body from viral diseases. The research published today...ccurs. After becoming sick from many viruses, the body becomes “immune” (protected) from recurrence of the same disease. This is why before vaccines were ...

Children of smokers have more than 5 times higher levels of a nicotine toxin

...nt of cotinine, one of chemicals produced when the body breaks down nicotine from inhaled smoke to get rid of it. Sleeping with parents and lower temperature rooms were also associated with increased amounts of cotinine. Cotinine was measured in 100 urine samples taken from infants aged 12 weeks....

Gene therapy study shows safety and statistically significant improvement in Parkinson's disease

...were observed primarily on the treated side of the body beginning three months after the gene therapy proc...ovements occurred predominantly on the side of the body corresponding to the side of the brain receiving treatment. Moreover, the absence of change at the e...

Putting feelings into words produces therapeutic effects in the brain

...ate a cascade of biological systems to protect the body in times of danger. Scientists see a robust amygda...ntion to his or her present emotions, thoughts and body sensations, such as breathing, without passing judgment or reacting. An individual simply releases h...

New vaccine prevents CMV infection and disease in mice

...tem can protect from the disease but can’t rid the body of the virus, people remain infected and can become re-infected or infect others through saliva. “Children in day care settings, for example, or adults who are sexually active, can pass along the virus,” explained Spector. “It becomes a serious p...

Adult stem cells from human cord umbilical cord blood successfully engineered to make insulin

...that produce the hormone insulin, which allows the body to utilize sugar, synthesize proteins and store neutral fats, or lipids. "But we’re a long way from that," Denner warned. Denner said this research, which reflects a fruitful collaboration with co-authors Drs. Colin McGuckin and Nico Forraz at th...

Ants show us how to make super-highways

...ced across a pothole – jarring every bone in their body – will identify with this story. When it comes to rapid road repairs, the ants have their own do-it-yourself highways agency." "When the traffic has passed, the down-trodden ants climb out of the potholes and follow their nest mates home," added ...

'Virtual autopsy' helps identify drowning as cause of death

...etermination of drowning as a cause of death for a body that is found in water is imperative in forensic investigation because becoming submerged in water may be a secondary rather than primary event. Autopsy findings that support the diagnosis of drowning include but are not limited to frothy fluid in th...

New research shows sharks use their noses and bodies to locate smells

...behind a trail of turbulent eddies flavored by its body odor," explained Atema. In an eight meter flume in the lab, Atema and Jayne Gardiner, a recently graduated Boston University Marine Program (BUMP) Masters student and study co-author, created two parallel, turbulent odor plumes – one using squid sce...

First confirmed common genetic risk factors for breast cancer

...roteins important to the growth and duplication of body cells and the signalling, or communications, that must occur between cells in order for the body to function normally. Previous investigations have identified about a dozen genetic mutations as...

New study suggests potential for a broadly-protective HIV vaccine

... so an effective vaccine may need to stimulate the body to produce cross-reactive antibodies that will neu.... To be effective, an HIV vaccine must induce the body to produce cross-reactive antibodies that can neutralize multiple strains. USU Professors CAPT Geral...

Detecting cold, feeling pain: Study reveals why menthol feels fresh

...7), reveals one of the key mechanisms by which the body detects temperature sensation. But in so doing it ...also illuminates a mechanism that mediates how the body experiences intense stimuli – temperature, in this case – that can cause pain. As such, the rece...

An 'elegant' idea proves its worth 25 years later

...enylacetate and sodium benzoate, two chemicals the body already makes to carry nitrogen for disposal in ur...eliminate nitrogen in urine, so having more in the body carries more nitrogen out and reduces the toxic effects of excess nitrogen accumulation." Excess ...

Smallpox outbreak: How long would it take for vaccines to protect people? Would it work?

...allpox. "Vaccines prevent disease by giving the body a jump-start at recognizing the infecting virus or...uis University. "After successful vaccination, the body experiences a quicker fighting response to the infection, which lessens or completely avoids the sym...

HIVMA opposes The Gambia's unproven AIDS remedy

...igorous scientific scrutiny," he added. "A growing body of evidence from Africa shows the lifesaving effects of antiretroviral medicines for people living with HIV/AIDS. On the other hand, the remedy President Jammeh is promoting is untested. It is highly unethical to stop a proven therapy to try an unpro...

Mice with a migraine show signs of brain damage

...nes ?the tiny extensions of an individual neuron’s body that usually number in the thousands within a syna...up with the demand. “Basically, even though the body has really stepped up the availability of oxygen, the brain’s demands for oxygen are suddenly so gre...

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