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Atomic switch capable of discriminating color in a bacterial membrane protein

Researchers using extremely high resolution imaging have found an atomic switch capable of discriminating color in a bacterial membrane protein.

5 Nov 2004

Autophagy may even provide a clue to the mythical fountain of youth

The cells of higher organisms have an internal mechanism for chewing up and recycling parts of themselves, particularly in times of stress, like starvation and disease. But nobody is quite sure yet whether this recently discovered process protects cells, or causes damage.

5 Nov 2004

Researchers have identified a protein that transports the essential nutrient boron into cells

Researchers at UT Southwestern Medical Center at Dallas have identified a protein that transports the essential nutrient boron into cells, where it is important for cell growth and bone development. The findings are in the Nov. 5 edition of the journal Molecular Cell and are online.

5 Nov 2004

Celebrex may one day be used to prevent and even treat breast tumors

The anti-inflammatory drug Celebrex, or celecoxib, reduces tumor mass by encouraging cell death and discouraging both cell proliferation and the sprouting of new blood vessels that feed growing tumors, according to a study reported in the November issue of Molecular Cancer Research.

5 Nov 2004

VaxGen gets $877.5 million to supply 75 million doses of anthrax vaccine

VaxGen announced today that the U.S. government has awarded the company an $877.5 million contract to supply 75 million doses of anthrax vaccine for civilian defense.

4 Nov 2004

African American HIV patients treated by white doctors receive life-saving HIV medication later than those who have an African American doctor

"Does Racial Concordance Between HIV-Positive Patients and Their Physicians Affect the Time to Receipt of Protease Inhibitors?" is published in the November issue of the Journal of General Internal Medicine.

4 Nov 2004

alpha4 may prove to be useful target for smoking addiction therapies

Nicotine is responsible for more than four million smoking-related deaths each year. Yet people still smoke. Why? One reason is the stranglehold of addiction, started when nicotine enhances the release of a neurotransmitter called dopamine

4 Nov 2004

Cellular vehicle delivers drugs directly into cancer cells

Researchers at The University of Texas M. D. Anderson Cancer Center have perfected a delivery system for anticancer treatment that zeroes in on a tumor and becomes part of its supporting tissue.

4 Nov 2004

Trial of new type of drug that attacks amyloid

Neuroscientists at the Farber Institute for Neurosciences at Thomas Jefferson University in Philadelphia will begin a clinical trial testing a new type of drug that attacks amyloid, the protein substance that accumulates in the brains of Alzheimer’s disease patients.

4 Nov 2004

New understanding of the role viruses play in the development of autoimmune diseases

Researchers at the La Jolla Institute for Allergy & Immunology have added a significant milestone to scientific understanding of the role viruses play in the development of autoimmune diseases, such as diabetes.

4 Nov 2004

Discovery of internal molecular clock that governs the metabolism of sugars and fats within the body

Researchers at the University of Pennsylvania School of Medicine have discovered that components of the internal molecular clock of mammals have an important role in governing the metabolism of sugars and fats within the body.

4 Nov 2004

Pfizer licenses drug from University of Rochester for treatment of hot flashes

The University of Rochester has signed a license agreement with Pfizer which will allow Pfizer to market a specific class of non-hormonal drugs for the treatment of hot flashes associated with menopause.

4 Nov 2004

Crystal structure of protein AIRs kinase uncovered

Cornell University researchers, who are trying to understand how proteins evolve and function by looking at their structural features, have uncovered the crystal structure of a protein involved in making the building blocks of DNA correctly.

4 Nov 2004

Sperm cells grown in laboratory culture

A team of researchers working with cells from mice has overcome a technical barrier and succeeded in growing sperm progenitor cells in laboratory culture.

4 Nov 2004

Study of infection prevention therapy for premature babies

Whether donated human antibodies can protect premature babies from a common and potentially dangerous bacterial infection is under study at the Medical College of Georgia Children’s Medical Center.

4 Nov 2004

Need to belong influences adolescent workplace drug use

In the high-pressure atmosphere of the building and construction industry, adolescent workers are highly susceptible to indulging in work related drug and alcohol use.

4 Nov 2004

Research suggests that children with severe malaria may not be as badly dehydrated as was previously thought

Every year around a million people, mainly small children, die of malaria. Dehydration is thought to contribute to fatal cases of the disease and, hence, doctors often give fluids to treat very ill children.

4 Nov 2004

Genetic mutations could collectively raise bowel cancer risk

Cancer Research UK scientists at the University of Oxford have found that a number of genetic mutations could collectively raise bowel cancer risk, reporting their findings in the journal PNAS.

4 Nov 2004