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This paper presented the inclusion of strontium, known with both anti-resorptive and bone forming effects, into phosphate glasses to improve their biocompatibility. This inclusion of such metal supposed to control the degradation of these glasses i.e. their dissolution rate in body fluids may be further controlled. Moreover, when these glasses degrade, they can also release strontium to encourage bone repair.

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After improving the sensitivity of nuclear magnetic resonance (NMR), researchers at the University of Missouri actually watched the HIV-1 protease mature from an inactive form into an active infection. This process has never been directly visualized before. The findings appear in the journal Nature. “We actually saw the process occur,” said Chun Tang, assistant professor of biochemistry in the MU School of Medicine. “This is something that has never been done before.

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Yale researchers have harnessed the power of 21st century computing to confirm an idea first proposed in 1916 - that plants with rapid reproductive cycles evolve faster. Their findings appear in the October 3rd edition of Science. “Our study has profound consequence for the understanding of evolution made possible by the critical role of the computer in revealing major evolutionary patterns,” said senior author Michael Donoghue, the G.

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Many breast cancer cells facing potentially lethal antiestrogen therapy recycle to survive, researchers say. About 70 percent of breast cancer cells have receptors for the hormone estrogen, which acts as a nutrient and stimulates their growth. Patients typically get an antiestrogen such as tamoxifen for five years to try to starve them to death, says Dr. Patricia V. Schoenlein, cancer researcher in the Medical College of Georgia Schools of Medicine and Graduate Studies.

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Can you teach old bacteria new tricks? We present a model of a gene circuit that could be made using synthetic biology to allow bacteria to learn. Pavlov’s dog learned to associate the sound of a bell with the smell of food. Our circuit allows a bacterium to learn when a chemical consistently precedes a harmful one, and thus to anticipate and predict the harmful chemical by synthesising a therapeutic gene product even before the harmful chemical appears.

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Researchers at the Georgia Institute of Technology have developed a computer program that trains itself to predict genes in the DNA sequences of fungi. Fungi - which range from yeast to mushrooms - are important for industry and human health, so understanding the recently sequenced fungal genomes can help in developing and producing critical pharmaceuticals.

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University of Michigan scientists have provided the most detailed picture yet of a key HIV accessory protein that foils the body’s normal immune response. Based on the findings, which appear online in the journal PLoS Pathogens, the team is searching for new drugs that may someday allow infected people to be cured and no longer need today’s AIDS drugs for a lifetime.

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New approaches in cancer therapy that facilitate selective targeting of cancers have been emerging in recent years. Apoptin represents a new anti-cancer tool in such new approaches with great potentials. Two routes can be taken using Apoptin or its encoding cDNA, i.e. as protein therapy or gene therapy. A research article published on 21 June 2008, in the World Journal of Gastroenterology refers. The research team led by Prof.

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Evidence that inexpensive device boosts fuel economy by up to 20 percent Amid sticker-shock fuel prices, researchers in Pennsylvania are reporting results of laboratory tests and road tests verifying that a simple, inexpensive device attached to a car engine’s fuel injector can boost gas mileage by up to 20 percent. That translates into several more precious miles per gallon, they say.

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MIT biological engineers have found a way to mass-produce smell receptors in the laboratory, an advance that paves the way for “artificial noses” to be created and used in a variety of settings. The work could also allow scientists to unlock the mystery of how the sense of smell can recognize a seemingly infinite range of odors. “Smell is perhaps one of the oldest and most primitive senses, but nobody really understands how it works.

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