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Tag: "put" at biology news

Growing nerve cells in 3-D dramatically affects gene expression

...ourish when placed inside the body. So Hoffman-Kim put 2-D and 3-D cell culture methods to a comparative test. Would the cells be different" Which ones would grow best" To answer that question, Hoffman-Kim and researchers in her lab took a line of cancerous nerve cells and cultured them in different e...

Intelligent materials to regenerate bone tissue

...come up with a substitute for bone tissue that can put the bone right and regenerate in such a way that it carries out similar functions as in its natural state. From Spain the Institute of Biomechanics of Valencia and Progénika Biopharma S.A. are also participating. In the case of substantial deterio...

Discovery of 'master switch' for the communication process between chloroplast and nuclei of plants

...wo things." Added Koussevitzky: "We’re trying to put the signaling pathways in the context of the plant’s stress response. It will take a little more tweaking, but at least knowing that it is going through a certain particular pathway will enable researchers to design what the targets should be downstr...

Get a whiff of this: Smell test could sniff out serious health problems

... so well,?explains Frank. “To a certain extent, we put the banana smell in there to give them a little break.? Frank adds that his current research is exploring the patterns of loss of smell that could be an indicator of Alzheimer’s. He says the Sniff Magnitude Test is also getting a look by researcher...

Deconstructing brain wiring, one neuron at a time

...n't be able to understand the brain until they can put together a "wiring diagram" ?a map of how billions of neurons are interconnected. Now, researchers at the Salk Institute for Biological Studies have jumped what many believe to be a major hurdle to preparing that chart: identifying all of the connect...

Rapid response was crucial to containing the 1918 flu pandemic

... rates were reduced was how soon the measures were put in place. Officials in St. Louis introduced a broad series of public health measures to contain the flu within two days of the first reported cases. Philadelphia, New Orleans and Boston all used similar interventions, but they took longer to imple...

Researchers find link between food odors and lifespan in fruit flies

...simple way to get a fruit fly to live longer is to put it at lower temperatures," he said. "It will live ...simple way to get a fruit fly to live longer is to put it at lower temperatures," he said. "It will live longer but everything is going slower in the anima...

Paper challenges 1491 Amazonian population theories

...lous, and difficult to get people to map stuff, or put hard numbers on it, but there is a sentiment that the Amazonia has been disturbed and that the view of the Amazonian rainforest as a built landscape is gaining momentum. There are extremes at either ends, and the majority of people are in middle but ...

Glucose triggers brain cell death in rats after hypoglycemic coma

... culprit. And it may depend on how much glucose is put in." In terms of clinical science, Swanson observes that "as clinicians, our first reaction when we see a patient in hypoglycemic coma is to give lots of glucose, fast. But our rodent model makes it clear that overshooting glucose levels is very b...

Male-killing bacteria makes female butterflies more promiscuous

... Males on the other hand show signs of fatigue and put less effort into mating. In some populations of tropical butterfly the entire mating system is determined by a group of bacteria known as Wolbachia, according to the study, published in the journal ‘Current Biology'. Dr Sylvain Charlat, of the...

Study finds antibiotic resistance in poultry even when antibiotics were not used

...c use on the farm isn't going to help. You have to put in some work before that." Lee and her team sampled droppings from more than 140,000 birds under four different conditions: 1.) commercial flocks that had been given antibiotics; 2.) commercial flocks that had not been given antibiotics; 3.) flock...

Mutation improves memory, may lead to memory-enhancing pill

...fear-conditioning" test. In that test, animals are put into a cage followed by a mild foot shock or are exposed to a tone paired with a foot shock. Their memory for the earlier bad experience is determined based on how much they freeze in response to the "scary" place or sound 24 hr later. Importantly...

New compound prevents alcoholic behavior, relapse in animals by blocking stress response

...ary circumstances. They studied rats that had been put through several cycles of heavy alcohol consumption and withdrawal to create dependency, as well as animals selectively bred to consume more alcohol. Injections of MTIP prevented excessive drinking of alcohol in both cases and eliminated the rats?sus...

The penalty of having a sister -- why sibling sex matters for male saiga antelopes

Having a twin sister could put male saiga antelopes at a reproductive disadvantage, says new research published today. The study shows that male twins with a sister are born lighter than those with a brother, making them smaller than the optimal size for males. The research also s...

Brown cancer biologists identify major player in cell growth

... there is a period when the biochemical brakes are put on and cells become inactive. Then the process is kick-started and cells move into the so-called S phase, when DNA is duplicated. This is a critical juncture. If genes are missing or broken, these alterations are passed on to the new cell -- and coul...

Mimicking how the brain recognizes street scenes

... bear little resemblance to real-world images. "We put together a system that mimics as closely as possible how cortical cells respond to simple stimuli like the ones that are used in the physiology lab," said Serre. "The fact that this system seems to work on realistic street scene images is a concept p...

Children who sleep more weigh less

...n, our results suggest that encouraging parents to put younger children to bed earlier and allowing both younger and older children to sleep longer in the morning, as well as encouraging school districts to avoid very early school start times, might represent one important and relatively low-cost strateg...

ConocoPhillips establishes $22.5M biofuels research program at Iowa State

...te scientists and engineers are well positioned to put science to work advancing biofuels technologies." Robert C. Brown, the Iowa Farm Bureau Director of Iowa State's Office of Biorenewables Programs, said ConocoPhillips is especially interested in converting biomass to fuel through fast pyrolysis, a...

A new study of living cells could revolutionize the way we test drugs

... drugs affect it," says Professor Geim. This would put an early safeguard into the system that could be applied long before the drug was tested on animals or even humans. In addition, the electrical activity test could be used to monitor the effects of pollution on naturally occurring micro-organisms in...

Renegade RNA -- Clues to cancer and normal growth

...nd stuck them on the end of another microRNA. When put into cells, the new microRNA behaved just like miR-29b, wandering far away from the cell's protein-making machinery and into the nucleus, where the cell's genetic material is kept. The researchers then stuck the same six-block end onto another typ...

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