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Tag: "lose" at biology news

Buying Time Through Hibernation on Demand

... cocktail, the mice stopped moving and appeared to lose consciousness, their respiration dropped from the normal 120 breaths per minute to fewer than 10 breaths per minute, and their core temperature dropped from the normal 37 degrees Celsius to as low as 11 C, depending on the controlled ambient temperat...

Increased risk of osteoporosis associated with gene that one in five people have

...er achieve an adequate peak bone density and would lose even more bone mass after menopause. If we can catch them at an early age, we can maximize their chances to avoid osteoporosis." ...

Probing the promise and perils of nanoparticles

... them better at what we want them to do. You don't lose anything; it's all a gain." More recently, Leroueil studied other types of charged nanoparticles called polycationic polymers---already being used to deliver drugs and genes---to see if they behaved like dendrimers. "It turns out that they cause the...

Wisconsin researchers identify sleep gene

...mobile for between six and 12 hours each night and lose most of their ability to respond to stimuli, the researchers found. When deprived of sleep, humans and their winged counterparts rebound on the following night by sleeping longer and more deeply. Flies also sleep more in their youth than later in lif...

Cricket's finicky mating behavior boosts biodiversity

...siologically capable of mating. But they appear to lose the desire to interbreed before they lose the capacity to interbreed." Mendelson and Shaw used a technique called amplified fragment-length p...

World's largest rainforest drying experiment completes first phase

... The trees slow down the amount of water that they lose from their leaves by closing their stomates. The trees adjust to the resulting reduction in photosynthesis by diverting less of the sugar and other carbohydrates that they make to wood production. This finding has important implications for climate c...

NJIT Presidential Award winner takes stem cell research another step

...ne, Arinzeh says. In many such surgeries, patients lose their limbs. But if her method of implanting stem cells is shown to induce bone repair, amputation may not be necessary. Stem cells could also help patients suffering from osteoporosis, whose fractured bones can be regenerated by the cells. Arinzeh ...

Research Using Mouse Models Reveals A Novel Key Player In The Initiation Of Colon Cancer

...e colon (called the epithelium) and causes them to lose control over their proliferation leading to tumors. Now Klaus Kaestner from the University of Pennsylvania School of Medicine has headed a study that identifies another molecular player influencing the initiation of colon cancers. This study will b...

Tiny scaffolding allows stem cells to become working fat cells

...set at birth, they now know individuals can either lose existing fat cells or grow new ones. And aside from the implications for dieting and obesity, a person's population of fat cells has other vital roles. Fat cells extract lipids, or fatty acids, from the bloodstream. They also become a huge reservoir...

Probing The Promise And Perils Of Nanoparticles

... them better at what we want them to do. You don't lose anything; it's all a gain." More recently, Leroueil studied other types of charged nanoparticles called polycationic polymers—already being used to deliver drugs and genes—to see if they behaved like dendrimers. "It turns out that they cause the sam...

Scientists collaborate to assess health of global environment

...rse, he added, the world's poorest people stand to lose the most from environmental change, because they depend heavily on ecosystem services. In some places, such as sub-Saharan Africa, environmental change is the principal factor causing poverty, according to the assessment. Implications The assessmen...

Sea skate experiment sheds light on human cell transport

...the findings exciting." In type 1 diabetes, cells lose their ability to transport glucose. Goldstein and Musch say their findings could explain the problem. People with type 1 diabetes don't produce insulin. Without that hormone, vesicles aren't inserted into cell membranes ?and glucose can't be moved be...

Genome-wide mouse study yields link to human leukemia

... to mature and divide. When tumor suppressor genes lose that ability ?as they can if they are silenced through methylation or some other process, it gives cancer a chance to establish a foothold and spread. Caligiuri says much more work needs to be done, but adds that the identification of Id4 as a likel...

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