Medical Science News

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Systems characterization of cell surface receptors

Cells communicate with their environment through molecules on their surface known as receptors.

3 Jun 2007

Novel technologies show promise for future of gene transfer

Several new technologies that could significantly impact the future of gene transfer applications were presented at a conference at the 10th Annual Meeting of the American Society of Gene Therapy (ASGT) in Seattle.

3 Jun 2007

New platform for regulating the expression of therapeutic genes

A new platform for regulating the expression of therapeutic genes, which will have major implications for gene and cell therapy, was presented at the 10th Annual Meeting of the American Society of Gene Therapy (ASGT) in Seattle.

3 Jun 2007

Nanoparticle delivery of insulin gene to fight juvenile diabetes developed

A safer method to deliver the insulin gene to diabetes patients using nanoparticles, was presented at the 10th Annual Meeting of the American Society of Gene Therapy (ASGT) in Seattle.

3 Jun 2007

Our ancestors learnt to walk upright in the trees

Scientists at the University of Liverpool have found that humans, ability to walk upright developed from ancestors foraging for food in forest tree tops and not from walking on all fours on open land.

3 Jun 2007

New protocols to understand embryos, clones, stem cells

Cloning, X-chromosome inactivation, stem cells, and embryogenesis are hot areas of research at the moment, and protocols featured in this month's release of Cold Spring Harbor Protocols will aid these studies.

3 Jun 2007

Scientists have captured on video the intracellular version of a postal delivery service

Reporting in the journal Biochemical and Biophysical Research Communications (BBRC), bioengineering researchers at UC San Diego published videos of a key message-carrying protein called paxillin moving abruptly from hubs of communication and transportation activity on the cell surface toward the nucleus.

3 Jun 2007

Compound derived from creosote bush slows aging in mice

Aspirin didn't pan out. Neither did two other potential anti-aging agents.

3 Jun 2007

How cells breathe

Inhaling oxygen is only the first step in a long journey through the nooks and crannies of the body.

1 Jun 2007

Molecular motors may speed nutrient processing

Matthew Tyska, Ph.D., recalls being intrigued, from the first day of his postdoctoral fellowship in 1999, with a nearly 30-year-old photograph.

1 Jun 2007

Complete sequencing of DNA pioneer James D. Watson

454 Life Sciences Corporation, in collaboration with scientists at the Human Genome Sequencing Center, Baylor College of Medicine, announced in Houston, Texas, the completion of a project to sequence the genome of James D. Watson, Ph.D., co-discoverer of the double-helix structure of DNA.

1 Jun 2007

Herds of cows producing skimmed milk could soon be roaming our pastures

Scientists in New Zealand have discovered that some cows have genes that give them a natural ability to produce skimmed milk and plan to use this information to breed herds of milkers producing only skimmed milk.

30 May 2007

Scientists study glutamate system in the brains of living people

A newly started research collaboration between Karolinska Institutet and AstraZeneca has already generated results.

30 May 2007

Scientists provide insight into how organisms adapt to changing environmental conditions and fluctuations

Forthcoming in Physiological and Biochemical Zoology, a fascinating new selection of papers collects leading experimental research in evolution and artificial selection, providing insight into how organisms adapt to changing environmental conditions and fluctuations.

30 May 2007

Smart mice miss out on Alzheimer's

Scientists in the U.S. have managed to breed mice which lack the enzyme thought to be the culprit in Alzheimer's disease.

28 May 2007

After primates evolved the ability to see red, they began to develop red and orange skin and hair

Humans, apes and Old World monkeys, such as macaques and leaf monkeys, all have trichromatic vision, which allows these primates to distinguish between blue, green and red colors.

28 May 2007

Genetic data overturns long-held theory of limb development

Long before animals with limbs (tetrapods) came onto the scene about 365 million years ago, fish already possessed the genes associated with helping to grow hands and feet (autopods) report University of Chicago researchers in Nature.

24 May 2007

Transplanting human gut bugs into mice helps understanding of metabolic system

Bugs found in the guts of humans, which play an important part in people's metabolic makeup, have been transplanted into mice to further understanding of the human and animal metabolic system, reveals a new study in the journal Molecular Systems Biology.

24 May 2007

Discovery of fungi that uses radioactivity as an energy source

Scientists have long assumed that fungi exist mainly to decompose matter into chemicals that other organisms can then use.

24 May 2007

Scientists evolve new proteins from scratch

Nature, through the trial and error of evolution, has discovered a vast diversity of life from what can only presumed to have been a primordial pool of building blocks.

24 May 2007