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Scientists discover key player in embryonic muscle development

Muscle fibers are large cells that contain many nuclei. They begin, like all animal cells, as naive embryonic cells. These cells differentiate, producing intermediate cells called myoblasts that are now destined to become muscle.

12 Apr 2007

Embryonic stem cell bill is dead

Today the United States Senate voted to pass S. 5, the "Stem Cell Research Enhancement Act." Tony Perkins, president of Family Research Council, issued the following statement:

12 Apr 2007

Study improves understanding of early ovarian cancer

A new University of Michigan Medical School study sheds light on cell defects that lead to one common type of ovarian cancer and puts forth a promising new mouse model that already is being used for preclinical drug testing.

12 Apr 2007

Prazosin drug helps posttraumatic stress disorder nightmares

A generic drug already used by millions of Americans for high blood pressure and prostate problems has been found to improve sleep and lessen trauma nightmares in veterans with posttraumatic stress disorder (PTSD).

12 Apr 2007

Richard Mayeux wins AAN Potamkin prize for Alzheimer's research

The American Academy of Neurology (AAN) is awarding the 2007 Potamkin Prize to Richard Mayeux, MD, MSc, Fellow of the AAN and co-director of the Taub Institute for Research on Alzheimer's and the Aging Brain, Columbia University Medical Center in New York, for his research related to Alzheimer's disease.

12 Apr 2007

Study finds poor diets of most Australian teens

A quarter of Australian teenagers eat fast food everyday and more than a third hardly ever eat fruit, a Deakin University study has found.

12 Apr 2007

Pittsburgh Tissue Engineering Initiative awarded $1.25 million grant

The Pittsburgh Tissue Engineering Initiative, Inc. (PTEI) has been awarded a five-year grant from the National Institutes of Health (NIH) to develop a unique educational program focused on engaging middle school students, their teachers, and the general public in the wonders of tissue engineering and its applications.

12 Apr 2007

A wavering commitment to polio eradication is not a good option!

Concerns about the high perceived costs of eradicating the relatively low number of polio cases worldwide have led to recent suggestions that it is time to shift from a goal of eradication to control-abandoning eradication and allowing wild poliovirus to continue to circulate, which proponents of control believe can sustain the low number of cases.

12 Apr 2007

Juries found to sympathize more with doctors in malpractice cases

There's a common belief that juries frequently side with patients in lawsuits involving medical malpractice.

12 Apr 2007

New mouse model for ovarian cancer

12 Apr 2007

Developing brain tumors coax assistance from nearby cells

Developing brain tumors can coax assistance from nearby cells known as microglia, according to a new study from scientists at Washington University School of Medicine in St. Louis.

12 Apr 2007

Common antiwrinkle product compound causes reaction in skin cells

Researchers from Universit, Laval's Faculty of Medicine have discovered that a compound commonly used in many antiwrinkle products causes a pathological reaction in skin cells.

12 Apr 2007

American Diabetes Association lauds Senate for passage of Stem Cell Research Enhancement Act

The American Diabetes Association today issued the following statement in response to the passage by the Senate of the "Stem Cell Research Enhancement Act" (S.5), which will accelerate stem cell research by easing existing funding restrictions and supporting research that uses embryonic stem cells, while maintaining strict ethical guidelines.

12 Apr 2007

Four genes found to drive spread of breast cancer to the lungs

Studies of human tumor cells implanted in mice have shown that the abnormal activation of four genes drives the spread of breast cancer to the lungs.

12 Apr 2007

Three proteins could be new targets for treating stroke, brain and spinal cord injuries

Some mature brain cells can grow new extensions when the amount of three particular proteins on their surface increases, a new study shows.

12 Apr 2007

New vaccine to prevent type-1 polio three times as effective as standard vaccine

The study found that each dose of the new monovalent oral poliovirus vaccine, known as mOPV1, protected 30% of susceptible children in northern India against paralytic poliomyelitis. The standard trivalent vaccine in the same setting protected just 11% of children per dose.

12 Apr 2007

Analysis of Rhesus monkey genome provides new clues to primate biology

An international consortium of researchers has published the genome sequence of the rhesus macaque monkey and aligned it with the chimpanzee and human genomes.

12 Apr 2007

First measurement of a cellular heartbeat

Researchers have made a breakthrough by detecting the electrical equivalent of a living cell's last gasp. The work takes them a step closer to both seeing the 'heartbeat' of a living cell and a new way to test drugs.

12 Apr 2007

Study suggests reason for high incidence of cancer in the prostate

Cancer occurs more frequently in the prostates of men than in any organ other than the skin. While DNA damage caused by exposure to the sun is likely the cause of many skin cancers, the cause of prostate cancer remains largely unknown.

12 Apr 2007

Aggressive behaviour on acute psychiatric wards: prevalence, severity and management

Psychiatric nurses have a one in ten chance of being physically injured by an aggressive patient over the course of a year and many more suffer emotional distress because of the verbal abuse they receive while working in these difficult and challenging environments.

12 Apr 2007