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Older women who are more physically fit have better cognitive function

New research published in the international journal Neurobiology of Aging by Marc Poulin, PhD, DPhil, finds that being physically fit helps the brain function at the top of its game.

9 Jan 2009

New nasal spray vaccine shown to be effective against botulism

A preclinical study found a new nasal spray vaccine to provide complete protection against a major botulism toxin, according to a study published today in the Nature journal Gene Therapy .

8 Jan 2009

New cataract early detection device

A compact fiber-optic probe developed for the space program has now proven valuable for patients in the clinic as the first non-invasive early detection device for cataracts, the leading cause of vision loss worldwide.

8 Jan 2009

Scientists visualize the mechanism of synthesizing estrogen

The molecular details of Aromatase, the key enzyme required for the body to make estrogen, are no longer a mystery thanks to the structural biology work done by the Ghosh lab at the Hauptman-Woodward Medical Research Institute (HWI) in Buffalo, New York.

7 Jan 2009

Gene marker may improve odds of stem cell therapies for disease

A single tumor-suppressor gene may provide a unique marker for senescence in Mesenchymal stem cells (MSCs) in vitro, while also playing a role in moving MSCs into senescence, researchers at the Human Health Foundation and the Sbarro Institute for Cancer Research and Molecular Medicine report.

7 Jan 2009

Biologist finds plant polymerases IV and V are really variants of polymerase II

It's a little like finding out that Superman is actually Clark Kent. A team of biologists at Washington University in St. Louis has discovered that two vital cellular components, nuclear RNA Polymerases IV and V (Pol IV and V), found only in plants, are actually specialized forms of RNA Polymerase II, an essential enzyme of all eukaryotic organisms, including humans.

6 Jan 2009

Scientists find new way to 'track' response to cancer drugs

Scientists have found a new way of accurately measuring the success of experimental cancer drugs, according to a study published in Cancer Research.

6 Jan 2009

Metadherin gene linked to metastasis of breast cancer

A team of researchers at Princeton University and The Cancer Institute of New Jersey has identified a long-sought gene that is fatefully switched on in 30 to 40 percent of all breast cancer patients, spreading the disease, resisting traditional chemotherapies and eventually leading to death.

5 Jan 2009

Researchers look at global endometrial ablation procedure for heavy menstrual bleeding

Experts estimate that 20 percent of women experience excessive or prolonged menstrual bleeding at some time during their lives, particularly as they approach menopause.

5 Jan 2009

Researchers show mechanisms that regulate DNA damage control and replication

Scientists at Burnham Institute for Medical Research (Burnham) have demonstrated important new roles for the protein kinase complex Cdc7/Dbf4 or Cdc7/Drf1 (Ddk) in monitoring damage control during DNA replication and reinitiating replication following DNA repair.

5 Jan 2009

Discovery of 'on switch' for cell death signaling mechanism

Scientists at Burnham Institute for Medical Research (Burnham) have determined the structure of the interactions between proteins that form the heart of the death inducing signaling complex (DISC), which is responsible for triggering apoptosis (programmed cell death).

5 Jan 2009

New online tool for calculating colorectal cancer risk

A new online tool for calculating colorectal cancer risk in men and women age 50 or older was launched today, based on a new risk-assessment model developed by researchers at the National Cancer Institute (NCI), part of the National Institutes of Health.

1 Jan 2009