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Tag: "succeed" at biology news

Cancer stem cells similar to normal stem cells can thwart anti-cancer agents

Current cancer therapies often succeed at initially eliminating the bulk of the disease, including all rapidly proliferating cells, but are eventually thwarted because they cannot eliminate a small reservoir of multiple-drug-resistant tumor cells, called cancer stem cells, which ultimatel...

Stanford-led study closes in on genes that may predispose some people to severe depression

...rtant genetic factors," said Levinson. "If we can succeed in finding one or more genes in which there are specific DNA sequence variations that affect one's risk of depression, then we would be able to understand what type of gene is it, what it does in the brain and by what mechanism it could make on...

Row over study puts Korea's scientific community under scrutiny again

...ast year, CHA Medical Group announced its plans to succeed Professor Hwang's now defunct World Stem Cell Hub by building Korea's largest stem cell institute on land provided by the Korean government. ...

New protein inhibitor impedes growth of cancerous cells

...itions, effective drug-based therapies will likely succeed in part by impeding multiple functions required for cell division and survival. One particular class of proteins, known as kinases, is known to play especially critical roles in the division of healthy cells, and appears to also be important for cell...

Scientists clone mice from adult skin stem cells

...ncy ?out of a hundred attempts, only a handful may succeed ?with reported success rates never reaching into double digits. "The efficiency of nuclear transfer is very low," says Li. "Using purified adult skin stem cells as our source of nuclei, we have found that higher nuclear transfer efficiencies can be a...

Producing medicines in plant seeds

...n compared to other systems - normally, scientists succeed in replacing only 1% of the plant's proteins by the desired protein. Plant seeds are especially attractive as production units. In addition to a high production capacity, they offer other important advantages over other parts of the plant. The se...

Small molecule dervived from Rb2/p130 could act as cancer therapeutic

...e therapies; therefore Spa310 has a good chance to succeed as an anti-cancer therapy. For these reasons, he believes it may be easier to get approval for clinical trials. "Fifteen years after discovering Rb2/p130, our research and hard work has led us to the discovery of this small molecule, which is a s...

Liposuctioned fat stem cells to repair bodies

...starting to realise that for cell manipulations to succeed they need to pay attention to their epigenetic marks. Cells can’t be pushed along to become a different cell type unless they start out with the right set of [epigenetic] conditions." It is a complex area but one that is loaded with promise. "Ever...

When nerve cells can't make contact

...ave disturbed social and anxiety behaviour. "If we succeed in measuring robust, autism-relevant behavioural changes in our mutant mice, then at least the step to experimental diagnosis and therapy in the animal model will be possible." From the point of view of the geneticist, the scientists in Göttingen h...

New finding points way to foiling anthrax's tricks

..., there is no effective treatment. The bacteria succeed by forming capsules that invade lung cells, then capturing iron in order to reproduce, and finally, manufacturing a toxin that kills the cells and releases thousands of new spores into the bloodstream. Because the iron-capture stage is critical to...

Some people would give life or limb not to be fat

...out the importance of believing in your ability to succeed at a difficult task, we predict that internalizing weight bias contributes to feelings of desperation, shame, and withdrawal, rather than motivates healthy behavior changes." ...

Blood test predicts success of quitting smoking using the nicotine patch

...r dose patch or an alternative therapy in order to succeed in quitting," said lead researcher for the study, Caryn Lerman, PhD, Associate Director for Cancer Control and Population Science at the Abramson Cancer Center of the University of Pennsylvania, and Director of the University of Pennsylvania Transdis...

Understanding the actions of others requires the frontal cortex

...e actions of the actor. Normally, participants can succeed in this task without much trouble, but performance was significantly impaired if the left frontal cortex was stimulated while the videos were shown. This result indicates that the left frontal cortex is necessary for understanding other people's acti...

Viral 'fitness' explains different resistance patterns to aids drugs

...o General Hospital Medical Center. When patients succeed in completely suppressing HIV, which requires that patients take all or almost all of their medications as directed, resistant strains either do not occur or are suppressed, he added. Explaining the study results, Bangsberg said, "A non-nucleoside r...

Earth Rx: A microbial biotechnology prescription for global environmental health

...nities can bring to society. "I think if we could succeed in capturing the energy out of waste materials, this would be a world-transforming technology and a real step forward to using more renewable forms of energy and much less reliance on fossil fuel." ...

Researchers use brain scans to predict behavior

...found they can predict whether the volunteers will succeed or fail at the game. "Before we present the task, we can use brain activity to predict with about 70 percent accuracy whether the subject will give a correct or an incorrect response," says lead author Ayelet Sapir, Ph.D., a postdoctoral research a...

MBL researchers probe how an ancient microbe thrives and evolves without sex

...bout these creatures' DNA that has enabled them to succeed where other asexual species have failed. In a paper published in this week's Proceedings of the National Academy of Sciences (PNAS), MBL scientists Irina R. Arkhipova and Matthew Meselson provide evidence that suggests bdelloid rotifers--which proba...

Nanotubes inspire new technique for healing broken bones

...at mechanical mimicry of any material alone cannot succeed in duplicating the intricacies of the human body," Haddon says. "Interactions of these artificial materials with the systems of the human body are very important factors in determining clinical use." The research is still in the early stages, but Ha...

Progress on HIV/AIDS significant but insufficient

...as crucial; only by meeting the challenge could it succeed in its efforts to build a humane, healthy and equitable world. General Assembly President Jean Ping (Gabon) said that the HIV/AIDS threat in 2005 was much greater than when the Assembly met here four years ago. In every way, that threat had attained...

Montreal researchers probe the genetic basis of memory

...from a book. The first few times we may initially succeed in memorizing the passage, but the memory may not be stored completely in the brain and we will have to study the passage again." In a series of experiments, the researchers demonstrated that mice bred without the GCN2 protein (known as transgenic...

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