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Researchers use stroke patient's own stem cells in trial for first time

For the first time in the United States, a stroke patient has been intravenously injected with his own bone marrow stem cells as part of a research trial at The University of Texas Medical School at Houston.

15 Apr 2009

Separating the good from the bad

Scientists at MIT and Brown University studying how marine bacteria move recently discovered that a sharp variation in water current segregates right-handed bacteria from their left-handed brethren, impelling the microbes in opposite directions.

15 Apr 2009

Prenatal exposure to influenza virus shown to reduce intelligence in adulthood

The Hong Kong flu pandemic was responsible for more than 700,000 deaths worldwide in the late 1960s, with major disease outbreaks in Europe in the winter of 1969-1970.

15 Apr 2009

African sleeping sickness parasite breaks its own DNA to avoid detection

The parasite Trypanosoma brucei, which causes African sleeping sickness, is like a thief donning a disguise.

15 Apr 2009

Major breakthrough in understanding of Hendra virus

Groundbreaking CSIRO research into how the deadly Hendra virus spreads promises to save the lives of both horses and humans in the future.

15 Apr 2009

A bright future for biological sensors

In the future, explained Peter Ghazal, Chair of Edinburgh University's Department of Molecular Genetics and Biomedicine, biological sensors, the product of the integration of biology and electronics will be used to detect infections and prescribe personalized treatments.

15 Apr 2009

Healthy baby born 22 years after father's sperm was frozen

Twenty two years after his sperm was frozen because he had leukaemia, a man has fathered a healthy baby girl.

15 Apr 2009

Pancreatic islets show promise in diabetes research, treatments

The use of pancreatic islets (hormone-producing cells) is increasing in diabetes research and may play an important role in future treatments, according to an article in the April 15 issue of JAMA, the Journal of the American Medical Association.

14 Apr 2009

Scientists harness nanoparticles to track cancer-cell changes

The more dots there are, the more accurate a picture you get when you connect them.

14 Apr 2009

Wireless body sensors to help prevent falls in seniors

When an older person is injured in a fall, the cost is significant, both in quality of life and medical expense.

14 Apr 2009

Rockefeller University Hospital opens clinical trial into statin-associated muscle complaints

The most widely prescribed class of drugs in the country, statins have helped millions of people lower their cholesterol and reduce their risk of heart attacks - but their side effects, including muscle pain and cramping, have proven to be something of a sore point for many patients.

14 Apr 2009

Scientists show how gene alteration can lead to the development of a type of brain cancer

An international team of scientists from the Moores Cancer Center at the University of California, San Diego, the University of North Carolina and several institutions in China have explained how a gene alteration can lead to the development of a type of brain cancer, and they have identified a compound that could staunch the cancer's growth.

14 Apr 2009

Emotions may serve an important social purpose.

Scientists have long been interested in the interplay of emotions and identity, and some have recently focused on cultural identity.

14 Apr 2009

Survey research looks at attitudes, obstacles to walking and biking to work

According to researchers with Kansas State University's Physical Activity and Public Health Laboratory, active commuting -- walking or biking to school or work -- can be an easy, effective and efficient way to integrate physical activity into the daily routine.

13 Apr 2009

Scientists uncover mimicry at the molecular level that protects genome integrity

The new study, which was published on April 12, 2009, in an advanced online edition of the journal Nature Structural & Molecular Biology, draws new parallels between the Rad60 DNA repair factor and SUMO, a small ubiquitin-like modifier, which are both essential for maintaining genome stability during replication.

13 Apr 2009

Screening to help prevent stroke in kids increases, but limited access a problem

The number of children with a certain blood disorder undergoing an ultrasound to help prevent stroke is up significantly in the past 10 years since the publication of a major study showing its benefits.

13 Apr 2009

Discovery of variations in resistance to sulfadoxine across Africa

Researchers have discovered that malaria parasites in east and west Africa carry different resistance mutations, which suggests that the effectiveness of sulfadoxine as an antimalarial drug may vary across Africa.

13 Apr 2009

New small molecule approach to Alzheimer's disease treatment

New therapeutic approaches in Alzheimer's disease are urgently needed.

13 Apr 2009

microRNAs manipulate cells to one day create safe embryonic-like stem cells

A team of UCSF researchers has for the first time used tiny molecules called microRNAs to help turn adult mouse cells back to their embryonic state.

12 Apr 2009

Researchers model 3D structures of proteins that control human clock

In an Early Edition issue of The Proceedings of the National Academy of Sciences (PNAS) on April 9, 2009, the researchers report that they have been able to determine the molecular structure of a plant photolyase protein that is surprisingly similar to two cryptochrome proteins that control the "master clock" in humans and other mammals.

12 Apr 2009