Study begins to reveal clues to the cause and progression of sepsis
...thought the inflammatory response to infection was relatively short-lived, just a few days, and that it was similar in patients with similar clinical signs. Instead, we found that the inflammatory response was extremely variable across patientsmore than 50-fold differences were seen in some markers. Additionall...Bursts of waves drive immune system 'soldiers' toward invaders
...s that I find fascinating about these waves is how relatively simple patterns of protein interaction can generate very complex behaviors," says Weiner. "Evolution has found the same solution to generating waves again and again even with completely different molecules, and at different scales of space and time -...Gene regulation, not just genes, is what sets humans apart
...ir fruit-rich forest. The sugars in their diet are relatively simple to break down and convert to cellular fuel. Humans, on the other hand, eat a wider array of foods, including many the chimps would simply not be able to digest like starchy root crops. The researchers found dramatic differences in the regulato...Does the desire to consume alcohol and tobacco come from our genetic makeup?
...ean region of Quebec, Canada. The locale, which is relatively isolated, somewhat genetically homogenous, and has kept genealogical records of its citizens since the 17th-century, makes the study of complex genomic traits like these easier. Phenotyping for alcohol and tobacco use was conducted using question...Smithsonian scientists show differing patterns of rainforest biodiversity
...ts that bigger is better, he said. In this kind of relatively uniform habitat, youre not losing a lot of beta diversity that would have to be represented by several smaller sites. But the opposite might apply on elevation or climate gradient. There is still much to learn because collecting high intensity dat...Acute sleep deprivation leads to changes in nighttime urine production for men and women
...he increase in sodium and potassium excretion. The relatively higher blood pressure on sleep deprivation nights may also have affected the blood pressure in the kidney producing an osmotic diuresis. The researchers found that during nighttime, acute sleep deprivation leads to: an increased urine output ...Grapes, soy and kudzu blunt some menopausal side effects
Austin, TX Menopausal women are at relatively high risk for memory loss, high blood pressure (hypertension) and diabetes. A decade ago, the standard treatment for these problems was long-term hormone replacement therapy (HRT). Since then, studies have shown that extensive use of HRT is associate...... Specifically, the researchers expected to find a relatively high level ofLD, because after the transition to selfing the disruption of variantcombinations would have slowed dramatically. But the LD pattern instead suggested that selfing evolved on the order of amillion years ago or more, and perhaps soon af...Lost forest yields several new species
... Program. Since few people live there, it would be relatively easy to create a park while supporting the livelihoods of people who live in the landscape....Indo-Pacific coral reefs disappearing more rapidly than expected
...g-term analysis of coral loss in the region, where relatively little was known about patterns of reef loss. The Indo-Pacific contains 75 percent of the worlds coral reefs and has the highest coral diversity in the world. High coral cover reefs in the Indo-Pacific ocean were common until a few decades ago, th...Gene predicts better outcome as cortex normalizes in teens with ADHD
...ings. Evidence suggests that the 7-repeat may be a relatively new variant that may have been favored through evolution because such traits proved adaptive for survival. The researchers are following up with studies on the relationship between cortex thickness and cognitive features of ADHD, such as working m...UF, French scientists seek test to detect gene doping in athletes
... can be sort of blind to it. But the technology is relatively straightforward and people involved in gene therapy studies could very well see how it could be applied to sport doping....Census of Marine Life historians detail collapse of bluefin tuna population off northern Europe
...and where the slope of the shelf is steep. Even a relatively small change in the distribution of sea surface temperatures in the Gulf of Mexico will likely cause a change in the timing and location of spawning, the authors say. Companion research says the tags recorded remarkable behaviour shifts among tuna ...Identified mechanism in the malaria parasite to help it adapt to infected individuals
...eans that the parasite can re-express the proteins relatively easily when infecting another individual or silence them again in a different host, explains Corts. We are talking about a very sophisticated adaptation system to the host and our challenge is to find out how this mechanism works at molecular level; ...Altering a protein makes mice less fearful
...ehavior in lab animals, making normally timid mice relatively fearless. The findings might provide useful insight into anxiety disorders and may even point the way to a new therapeutic target. For humans and other animals, some fears seem to be, in large part, instinctive and inborn rather than learned. For e...Synchrotron could help save the Tassie devil
...atively new, and the Australian facility is one of relatively few around the world where it is available. If a diagnostic test for the facial tumour disease using the synchrotron does look possible, only having a machine nearby would make it viable. Having to queue-up for time on a synchrotron at least nine h...High rates of HIV infection documented among young Nepalese girls sex-trafficked to India
...illnesses. As a result of client demand and of the relatively high profits earned from prostituting these very young girls, brothel owners take steps to keep them in captivity for longer periods of time. The HSPH team found that girls trafficked under age 15 were more likely than older girls to be held in broth...Waters off Washington state only second place in world where glass sponge reefs found
...The reefs in the Georgia and Hecata straits are in relatively protected marine waters, causing scientists to previously speculate that those reef-building glass sponges required a special ecological niche that allowed them to grow in those waters. The field discovered on the open Washington shelf is very expos...After a decades-long search, scientists identify new genetic risk factors for multiple sclerosis
...isk factors for MS. Some of the associations were relatively weak and some of the genes' functions are unclear. "A major effort to understand the full complement of genes involved in MS will be necessary to completely understand the disease," said Dr. Hafler, adding that all of the data from the genome scan ......lihood of survival without medical intervention is relatively low. HIVs relatively rapid evolution has given it an ability to handle all our bodies can throw at it and more, said Gera...