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Tag: "state" at biology news

Priming embryonic stem cells to fulfill their promise

...roved Proposition 71, ameasure that authorized the state to borrow $3 billion to fund stemcell research over the next 10 years."I'm really excited about the stem cell applications of our newtechnology," said Bhatia. "We feel that this extracellular matrix partof the stem cell niche has been understudied. I...

Scientists find missing enzyme for tuberculosis iron scavenging pathway

... up by macrophages in the lung and enter a dormant state ?these are the hardest to attack with drugs." ...

Researchers reveal the infectious impact of salmon farms on wild salmon

...s data set from months of laborious fieldwork; and state of the art models of disease transfer. "Our research shows that the impact of a single farm is far reaching," says lead author Marty Krkosek. "Sea lice production from the farm we studied was four orders of magnitude - 30,000 times - higher than nat...

Clam embryo study shows pollutant mixture adversely affects nerve cell development

...t relate to neurologicaldisorders. "We can clearly state that we found an increase in acomponent of PKA, and PKA is known to be involved in neuraldevelopment. The BCE mixture is capable of altering neural development,and alterations in neural development are thought to be a cause ofautism," says Jill Kreil...

Study identifies predictors of HIV drug resistance in patients beginning triple therapy

...t relate to neurologicaldisorders. "We can clearly state that we found an increase in acomponent of PKA, and PKA is known to be involved in neuraldevelopment. The BCE mixture is capable of altering neural development,and alterations in neural development are thought to be a cause ofautism," says Jill Kreil...

Scientists collaborate to assess health of global environment

...ly being degraded. "[The assessment] examines the state of the global environment, but it's more than that," said Harold A. Mooney, the Paul S. Achilles Professor of Environmental Biology at Stanford University and co-chair of the assessment's science oversight panel. "It relates goods and services that e...

Purdue proves concept of using nano-materials for drug discovery

...y Research and Technology Fund, established by the state of Indiana to promote high-tech research and to help commercialize innovations. The vessels discussed in the research paper are cylindrical cavities that are open at the top and sealed at the bottom with a material called alumina, which contains num...

Scientists rid stem cell culture of key animal cells

...intaining stock cultures in their undifferentiated state is critical. The feeder cell dogma now can be ove...at the stem cells remain in their undifferentiated state and capable of proliferation. "We've got it down to the mechanism," Xu says. Moreover, Xu made the...

UCSD researchers maintain stem cells without contaminated animal feeder layers

...er layers to maintain stem cells' undifferentiated state and pluripotency, the ability to become all tissue types in the body. The scientists knew that a cocktail of various growth factors and chemicals had previously been shown to modulate cellular growth and differentiation in human pancreatic cells. Hum...

Researchers trace evolution to relatively simple genetic changes

...verywhere. When these fish evolve this low-armored state they are using the same genetic mechanism. It's happening over and over again. It makes them more fit in all these different locations." Because this trait evolves so rapidly after ocean fish colonize new environments, he added, "we wondered whether...

Octopuses occasionally stroll around on two arms, UC Berkeley biologists report

...verywhere. When these fish evolve this low-armored state they are using the same genetic mechanism. It's happening over and over again. It makes them more fit in all these different locations." Because this trait evolves so rapidly after ocean fish colonize new environments, he added, "we wondered whether...

UCLA launches $20 million stem cell institute to investigate HIV, cancer and neurological disorders

...ch will enable teams of researchers to compete for state grants created by the passage of Proposition 71. T... will provide $3 billion for stem cell research. A state institute is being created in Northern California to allocate funding to stem cell scientists at uni...

Wisconsin researchers identify sleep gene

.... One way of getting from the faster to the slower state is by opening ion channels, allowing potassium to flow through them. "Our hypothesis is that if you don't have potassium channels, you won't get slow waves," Cirelli says. "The cell membrane will remain activated, preventing long periods of deep, no...

A frog's life is food for thought

... year in underground burrows in a hibernation-like state known as aestivation. During this time they do not feed and survive on fat reserves. The frogs return to the surface after heavy rain, sometimes for as little as a week - to find food and build up fat reserves. During the study Ms Cramp and her sup...

Key mechanism in genetic inheritance during cell division identified

...complex upon the microtubule surface," the authors state in their Molecular Cell paper. "Although the presence of microtubules strongly facilitates the oligomerization process, ring assembly seems to be an intrinsic property of the Dam1 complex, as we have been able to induce self-assembly into rings in th...

Buying Time Through Hibernation on Demand

...esearch Center have, for the first time, induced a state of reversible metabolic hibernation in mice. This ...arnessing it and turning it on and off, inducing a state of hibernation on demand," said Roth, a member of Fred Hutchinson's Basic Sciences Division. During...

U-M team recovers ancient whale in Egyptian desert

...esearch Center have, for the first time, induced a state of reversible metabolic hibernation in mice. This ...arnessing it and turning it on and off, inducing a state of hibernation on demand," said Roth, a member of Fred Hutchinson's Basic Sciences Division. During...

Love's all in the brain: fMRI study shows strong, lateralized reward, not sex, drive

...est characterized as a motivation or goal-oriented state that leads to various specific emotions, such as e...xcellent example of how a complex human behavioral state is processed. Moreover, taken together, our results and those of Andreas Bartels and Semir Zeki, who...

New Estimates For The Causes Of Child Deaths Worldwide

... occur in the south-east Asia region. The authors state that the causes of child deaths can be addressed through existing, available, and affordable interventions. Reducing deaths in the neonatal period will confront health systems with new challenges, especially in low-income countries they add. (See The...

Same-Sex Mating Discovered in a Toxic Fungus

...e diploid animals and plants, C. neoformans normal state is haploid, Heitman explained. Furthermore, the team showed, strains lacking components required for mating -- including pheromones, pheromone receptors and other genes with known roles in mating -- exhibited a defect in fruiting. The newly describ...

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