Medical Science News

RSS

Scientists look at slow-freezing techniques for human tissue

The goal is to make human eggs, ovarian tissue, blood vessels, even whole organs available when needed.

8 Jun 2007

Embryonic stem cells can be created without eggs

Embryonic stem cells are unique because they can develop into virtually any kind of tissue type, an attribute called pluripotency.

8 Jun 2007

Discovery of new survival mechanism in common bacteria

Researchers at the National Institute of Allergy and Infectious Diseases (NIAID), a component of the National Institutes of Health, have discovered a survival mechanism in a common type of bacteria that can cause illness.

8 Jun 2007

New bacterium discovered, Bartonella rochalimae

A close cousin of the bacterium that debilitated thousands of World War I soldiers has been isolated at UCSF from a patient who had been on an international vacation.

8 Jun 2007

Mouse hibernation hormones described

A key hormone enables starving mice to alter their metabolism and “hibernate” to conserve energy, revealing a novel molecular target for drugs to treat human obesity and metabolic disorders, UT Southwestern Medical Center researchers have found.

8 Jun 2007

Researchers track how spores break out of dormant state

Tapping into the unknown world of awakening dormant bacterial spores, researchers have revealed through atomic force microscopy (AFM) the alterations of spore coat and germ cell wall that accompany the transformation from a spore to a vegetative cell.

5 Jun 2007

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