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Large DNA stretches, not single genes, shut off as cells mature
Experiments at Johns Hopkins have found that the gradual maturing of embryonic cells into cells as varied as brain, liver and immune system cells is apparently due to the shut off of several genes at once rather than in individual smatterings as previous studies have implied. view more (2009-01-20)
Can pomegranates prevent prostate cancer? A new study offers promise
The juice of the pomegranate, say researchers at University of Wisconsin Medical School, shows major promise to combat prostate cancer-the most common invasive cancer and the second-leading cause of cancer death in American men. view more (2005-09-27)
Leading the pack in following the herd
A few in the know can lead the many, according to new research into travelling animal groups carried out by the universities of Leeds and Oxford. Crowds of Leeds biology undergraduates will be observed to test their theory later this year. view more (2005-02-23)
Inflammation contributes to colon cancer
Researchers led by Drs. Lillian Maggio-Price and Brian Iritani at The University of Washington found that mice that lack the immune inhibitory molecule Smad3 are acutely sensitive to both bacterially-induced inflammation and cancer. They report these findings in the January 2009 issue of The American Journal of Pathology. view more (2009-01-22)
UCLA scientists identify how key protein keeps chronic infection in check
Why is the immune system able to fight off some viruses but not others, leading to chronic, life-threatening infections like HIV and hepatitis C? view more (2009-05-08)
Cancer cells 'reprogram' energy needs to grow and spread, study suggests
Studying a rare inherited syndrome, researchers at Johns Hopkins have found that cancer cells can reprogram themselves to turn down their own energy-making machinery and use less oxygen, and that these changes might help cancer cells survive and spread. view more (2007-05-08)
Neuronal Activity Gives Clues to Working Memory
A newly discovered interplay of cells in one of the brain's memory centers sheds light on how you recall your grocery list, where you laid your keys, and a host of important but fleeting daily tasks. view more (2007-06-07)
ETH Zurich study on salmonella self-destruction
ETH Zurich biologists, led by Professors Martin Ackermann and Wolf-Dietrich Hardt, in collaboration with Michael Doebeli of the University of British Colombia in Vancouver (CN), have been able to describe how random molecular processes during cell division allow some cells to engage in a self-destructive act to generate a greater common good,... view more... (2008-08-22)
Increased antidepressant prescribing linked with fewer suicides
In Australia, suicide rates have fallen most in those groups of people most exposed to antidepressant drugs, especially older people. view more (2003-05-07)
Scientists discover way to control allergic reactions
Scientists have discovered a novel method to reduce cat allergic reactions by topping up the immune cells responsible for controlling them. view more (2005-04-06)
Some ethnic groups more susceptible to adverse drug reactions
Some ethnic groups may be more susceptible to adverse drug reactions, finds a study published on bmj.com today. view more (2006-05-05)
Hearing restoration may be possible with cochlear repair after transplant of human cord blood cells
According to an Italian research team publishing their findings in the current issue of Cell Transplantation (17:6), hearing loss due to cochlear damage may be repaired by transplantation of human umbilical cord hematopoietic stem cells (HSC) since they show that a small number migrated to the damaged cochlea and repaired sensory hair cells and... view more... (2008-09-04)
New Research into Employment of Ethnic Minorities
Most people think that minority ethnic communities have been the chief victims of the run-down of manufacturing industry since the 1970s. But two University of Plymouth sociologists - Dr Paul Iganski and Professor Geoff Payne - have found evidence that some black and Asian communities actually suffered less than the rest of the population. While... view more... (1999-07-08)
Folding wings - just the business for insect survival
Just like modern businesses, insects have had to diversify to survive, according to University of York scientist Peter Mayhew. The ability to fold their wings is one device they have adopted over the years as part of the struggle for survival, says Dr Mayhew. And folding wings have given the insects which adopted them - including bugs, beetles,... view more... (2002-05-01)
Bad news for insomniacs: 'hunger hormones' affected by poor sleep
Insomnia has long been associated with poor health, including weight gain and even obesity. Now researchers at UCLA have found out why. view more (2009-03-26)
Malfunction of the respiratory epithelium is a cause of allergy?
One reason for the development of allergy may be malfunction of the respiratory epithelium, which allows allergens to bind to, enter and travel through the epithelium. view more (2009-04-03)
Early onset of puberty - the EU gets serious
Children in Europe and other parts of the world are entering puberty at an ever younger age. The reasons for this are unknown, and the EU is now financing a major three-year project called PIONEER in a determined effort to get to the root of the problem. Two Swedish research groups are involved in the project, both from Karolinska Institutet. view more (2005-03-30)
Is justice blind?
This is the finding of research presented today, Wednesday 29 September, by Dr Richard Wiseman of the University of Hertfordshire, Roger Highfield of the Daily Telegraph, and Saul Nasse of BBC 1's Tomorrow's World, at The British Psychological Society's Division of Forensic Psychology Conference, held at Churchill College, Cambridge. view more (1999-09-13)
New discovery about the formation of new brain cells
The generation of new nerve cells in the brain is regulated by a peptide known as C3a, which directly affects the stem cells' maturation into nerve cells and is also important for the migration of new nerve cells through the brain tissue, reveals new research from the Sahlgrenska Academy published in the journal Stem Cells. view more (2009-11-24)
Why are some groups of animals so diverse?
A new study of finger-sized Australian lizards sheds light on one of the most striking yet largely unexplained patterns in nature: why is it that some groups of animals have evolved into hundreds, even thousands of species, while other groups include only a few? view more (2007-09-20)
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