Medical Research News

RSS

Basal tumours may originate from breast stem cells that have undergone genetic mishaps

Findings support previous speculation that breast stem cells, or very early descendents, are the cells from which basal tumours arise.

24 Jul 2006

Which came first, nucleic acids or proteins?

Which came first, nucleic acids or proteins? This question is molecular biology's version of the "chicken-or-the-egg" riddle.

24 Jul 2006

Usefulness of BMI is suspect

For years doctors have used the body mass index (BMI), a ratio of height and weight, to characterize the clinical weight status of their patients.

24 Jul 2006

Scientists slow vision loss with vitamin E, alpha-lipoic acid and other antioxidant chemicals

Scientists at Johns Hopkins have successfully blocked the advance of retinal degeneration in mice with a form of retinitis pigmentosa (RP) by treating them with vitamin E, alpha-lipoic acid and other antioxidant chemicals.

24 Jul 2006

Serotonin reciprocally regulates melanocortin neurons to modulate food intake

Some of the most important weight-loss drugs work by enhancing the effect of the brain chemical serotonin.

24 Jul 2006

Increasing deaths from opioid analgesics in the United States

Trends analysis of drug poisoning deaths has helped explain a national epidemic of overdose deaths in the USA that began in the 1990s, concludes Leonard Paulozzi and colleagues at the Centers for Disease Control and Prevention.

24 Jul 2006

Genetic key to treating deadly fungal infections

University of Minnesota researchers have discovered how a prevalent fungal pathogen that causes 10,000 deaths per year in the United States overcomes the effects of antifungal drugs by duplicating a section of one of its chromosomes.

24 Jul 2006

New training technique is proving successful in helping excessive drinkers curb their alcohol abuse

Researchers funded by the Economic and Social Research Council have experimentally tested a computer-based training programme which helps abusive drinkers pay less attention to alcohol, feel more in control of their drinking and drink less.

24 Jul 2006

Healthcare providers react more positively to men than women who reveal they're gay

Men and people over 40 are much more likely to report positive experiences when they tell healthcare providers they are not heterosexual, according research in the latest UK-based Journal of Advanced Nursing.

24 Jul 2006

Researchers identify earliest neuron in the embryonic human cerebral cortex

Researchers at Yale School of Medicine and the University of Oxford have identified the very first neurons in what develops into the cerebral cortex, the part of the brain that makes humans human.

24 Jul 2006

Research simplifies diagnosis of Charcot-Marie-Tooth disease

Charcot-Marie-Tooth (CMT) disease is the most common hereditary disorder of the peripheral nervous system, leading to a weakening of the muscles in the lower legs, feet and hands as the nerves that run from the spinal cord to the muscles die off.

24 Jul 2006

Pig cell implants show potential for treatment of stroke, Huntington's disease

A review of accumulated evidence on the use of porcine brain choroid plexus (CP) cells published in the July issue of Xenotransplantation highlights that these cells have the potential to treat acute and chronic brain disease.

24 Jul 2006

New natural contraceptive pill being trialled

University of Adelaide researchers, together with the Adelaide Hormone and Menopause Centre, are trialling a new natural contraceptive pill alternative.

24 Jul 2006

Most women at high risk for breast cancer do not increase their life expectancy by taking the drug tamoxifen

Tamoxifen is an extraordinarily expensive cancer-prevention strategy, costing as much as $1.3 million per year of life saved.

24 Jul 2006

Digital magnetofluidics holds hope for better medicine

Critical advances in medicine and environmental protection promise to emerge from a new method for biochemical analysis of fluids developed by an international science team led in part by Arizona State University researchers.

21 Jul 2006

Researchers identify potential ovarian cancer stem cells

Massachusetts General Hospital (MGH) researchers have identified potential ovarian cancer stem cells, which may be behind the difficulty of treating these tumors with standard chemotherapy.

21 Jul 2006

Antioxidants may slow vision loss

21 Jul 2006

Gene variant increases risk of type 2 diabetes - but healthy lifestyle changes reduce genetic risk

Researchers have confirmed that a gene variant confers susceptibility to type 2 diabetes in participants of the Diabetes Prevention Program (DPP), a large clinical trial in adults at increased risk for developing type 2 diabetes.

21 Jul 2006

Leukemia gene normally has mammary gland function

A gene critical for normal mammary gland function during nursing helps trigger highly lethal leukemias when it undergoes a mutation that fuses it to another gene, according to investigators at St. Jude Children's Research Hospital.

19 Jul 2006

Research shows which sex differences are developmental vs. sociological vs. hormonal

Differences in the way men and women perform verbal and visuospatial tasks have been well documented in scientific literature, but findings have been inconsistent as to whether men and women actually use different parts of their brains.

19 Jul 2006