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Gold nanoparticles prove to be hot stuff
Gold nanoparticles are highly efficient and sensitive "handles" for biological molecules being manipulated and tracked by lasers, but they also can heat up fast-by tens of degrees in just a few nanoseconds-which could either damage the molecules or help study them. view more (2006-09-01)
Commercial Driving Not Linked To Permanent Back Injury
Authors of a study published on THE LANCET's website-www.thelancet.com-provide new evidence to suggest that the risk of permanent back injury is not increased among occupational drivers. Back problems are reported more by occupational drivers than by any other occupational group. One explanation is that whole-body vibration caused by the vehicle... view more... (2002-10-11)
A cancer gene causing tumours by a 'double-whammy' mechanism also reveals the key to a cure
Scientists at the Babraham Institute have discovered that a tiny change in a protein involved in cell survival is responsible for abnormal cell activity in the early stages of cancer. The protein, known as Bcl-xL, normally protects cells from dying; and when the DNA in cells becomes damaged, Bcl-xL is modified so that it no longer keeps the cells... view more... (2004-01-21)
Heart injury due to carbon monoxide poisoning increases long-term risk of death
Of patients who were hospitalized and treated for moderate to severe carbon monoxide poisoning, those who sustained heart muscle injury due to their exposure had an increased risk of death during a mid-point follow-up period of 7.6 years compared to those without injury to the heart. view more (2006-01-25)
A new cellular pathway linked to cancer is identified by NYU researchers
In the life of a cell, the response to DNA damage determines whether the cell is fated to pause and repair itself, commit suicide, or grow uncontrollably, a route leading to cancer. view more (2008-07-25)
Refusal of suicide order: Why tumor cells become resistant
Cells with irreparable DNA damage normally induce programmed cell death, or apoptosis. However, this mechanism often fails in tumor cells so that transformed cells are able to multiply and spread throughout the body. view more (2008-06-24)
Limiting damage after heart transplantation
Scientists from Imperial College School of Medicine at Harefield Hospital may have found a way of dampening down damaging immune responses following heart transplants. Professor Rose will describe her work at the British Society for Immunology’s Congress 2000 in Harrogate today (Thursday 7 December 2000). World-wide, 5,000 heart transplants... view more... (2000-12-01)
Stroke-associated damage to brain structure may lead to heart attack
Researchers using a new method of analyzing brain images have identified an area of the brain that, when affected by a stroke, may also cause damage to the heart muscle. view more (2006-04-25)
Childhood ear infections may predispose to obesity later in life
Researchers are reporting new evidence of a possible link between a history of moderate to severe middle ear infections in childhood and a tendency to be overweight later in life. Their study suggests that prompt diagnosis and treatment of middle ear infections - one of the most common childhood conditions requiring medical attention - may help... view more... (2008-08-20)
New long-term data suggests Abatacept treatment
New data from the long-term extension of the AIM (Abatacept in Inadequate responders to Methotrexte) trial, announced today at the Annual European Congress of Rheumatology, suggests the selective T-cell co-stimulation modulator abatacept sustains inhibition of radiographic progression over 2 years in rheumatoid arthritis patients with an... view more... (2006-06-22)
Is sleep 'hard-wired' into the brain?
Falling asleep is usually thought of as something we can control ourselves as part of our behaviour patterns. In a new article in the December Journal of the Royal Society of Medicine, Dr Bidi Evans argues that waking and sleeping is actually controlled by a physical mechanism that is 'hard-wired' into the brain. She suggests that evidence from... view more... (2002-11-25)
Growing evidence of marijuana smoke's potential dangers
In a finding that challenges the increasingly popular belief that smoking marijuana is less harmful to health than smoking tobacco, researchers in Canada are reporting that smoking marijuana, like smoking tobacco, has toxic effects on cells. view more (2009-08-06)
Angiotensin receptor blockers are lower incidence, progression of Alzheimer's disease
Researchers at Boston University School of Medicine (BUSM) have, for the first time, found that angiotensin receptor blockers (ARBs)-a particular class of anti-hypertensive medicines-are associated with a striking decrease in the occurrence and progression of dementia. Data from this study will be presented this weekend (July 27) at the 2008... view more... (2008-07-28)
Blood pressure drug curbs brain damage from PTSD
A drug used to treat high blood pressure and enlargement of the prostate may protect the brain from damage caused by post-traumatic stress disorder, Alzheimer's disease, depression and schizophrenia. view more (2007-11-07)
Injection may prevent infertility in men receiving cancer chemotherapy
It may be possible to protect the testes of cancer patients against the loss of fertility caused by chemotherapy, a scientist told the 22nd annual conference of the European Society of Human Reproduction and Embryology in Prague, Czech Republic. view more (2006-06-21)
Researchers identify gene as protector of DNA, enemy of tumors
A single gene plays a pivotal role launching two DNA damage detection and repair pathways in the human genome, suggesting that it functions as a previously unidentified tumor suppressor gene. view more (2006-08-07)
UNC scientists discover cellular 'SOS' signal in response to UV skin damage
New research from the University of North Carolina at Chapel Hill School of Medicine has identified two proteins that may help protect against skin cancer. view more (2007-03-19)
Grape skin compound fights the complications of diabetes
Research carried out by scientists at the Peninsula Medical School in the South West of England has found that resveratrol, a compound present naturally in grape skin, can protect against the cellular damage to blood vessels caused by high production of glucose in diabetes, according to a paper published in the science journal "Diabetes,... view more... (2008-03-19)
Scientists discover influenza's Achilles heel: Antioxidants
As the nation copes with a shortage of vaccines for H1N1 influenza, a team of Alabama researchers have raised hopes that they have found an Achilles' heel for all strains of the flu-antioxidants. view more (2009-10-30)
Novel compound may lessen heart attack damage
A novel drug designed to lessen muscle damage from a heart attack has passed initial safety tests at the Duke Clinical Research Institute. Results of the study, available online and to be published in the February 19 issue of the journal Circulation, reflect the first time the drug has been tested in humans. view more (2008-02-07)
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