Medical News

RSS

Brain memory modifies wiring during the female menstrual cycle

Researchers at Northwestern University and Columbia University have found that "wiring" in female rat brain memory area expands and retracts in relation to the amount of estrogen present during the estrous/menstrual cycle.

5 Dec 2005

Cerebrospinal fluid analysis combined with brain scan predicts Alzheimer's

A combination of brain scanning with a new imaging agent and cerebrospinal fluid (CSF) analysis has left neuroscientists encouraged that they may finally be moving toward techniques for diagnosing Alzheimer's disease before its clinical symptoms become apparent.

5 Dec 2005

Ack1 molecule stimulates the aggressive growth of prostate cancer

The molecule, Ack1, a member of the growth-promoting tyrosine kinase gene family, stimulates tumor formation in part by signaling prostate cells to rid themselves of a tumor-suppressor protein. Normally, this suppressor protein would inhibit rapid cell growth by signaling the cell to destroy itself.

5 Dec 2005

Children with heart defects benefit from exercise

A small but compelling pilot study indicates that many children with serious congenital heart disease, who are typically urged to restrict their activity, can improve their cardiovascular function and exercise capacity through a cardiac rehabilitation program.

5 Dec 2005

Comforting behavior in girls mistaken for movement disorder

The comforting behavior of thumb-sucking wouldn't land a 1-year-old girl in a neurologist's office, but the twisting and unusual movements of the comforting act of infantile masturbation can lead parents and physicians to believe a child is suffering from a movement disorder.

5 Dec 2005

Fibroblast research could lead to alternatives to implanted electronic pacemakers

In guinea pig experiments, Johns Hopkins scientists fused common connective tissue cells taken from lungs with heart muscle cells to create a safe and effective biological pacemaker whose cells can fire on their own and naturally regulate the muscle's rhythmic beat.

5 Dec 2005

Dialysis patients may be overmedicated

Changes in a widely used assay (blood test) for parathyroid hormone (PTH) have made its use with the established guidelines for end stage renal disease clinical management both inappropriate and potentially harmful to patients. This research is published in the journal Seminars in Dialysis.

5 Dec 2005

Government reforms are threatening the future of district general hospitals

...says an expert in the British Medical Journal. Given the iconic status of hospitals in the eyes of the public, government risks huge unpopularity in dealing with the consequences.

5 Dec 2005

Alagebrium may prevent arterial aging in patients with systolic hypertension

A compound called alagebrium, which is very similar to another used in anti-wrinkle creams, may be useful in reducing the deleterious effects of arterial aging in the majority of elderly Americans with systolic hypertension, a new study from researchers at Johns Hopkins shows.

5 Dec 2005

People who drink small amounts of alcohol regularly are less likely to be obese

...than people who do not drink at all. A study published today in the open access journal BMC Public Health shows that consuming no more than a drink or two a few times a week reduces the risk of being obese.

5 Dec 2005

Preventing muscle wasting with a leucine-rich diet

Muscle in adults is constantly being built and broken down. As young adults we keep the two processes in balance, but when we age breakdown starts to win. However, adding the amino acid leucine to the diet of old individuals can set things straight again.

5 Dec 2005

Aldosterone shows promise as stroke treatment

A bi-polar hormone that can contribute to strokes and minimize their damage is emerging as a therapeutic target in the battle against these brain attacks, researchers say.

5 Dec 2005

Study of 30-day extended wear contact lenses

A team of researchers led by the Johns Hopkins Wilmer Eye Institute have determined that the corneal infection rate associated with the use of 30-day -extended-wear contact lenses made from silicone hydrogel is comparable to that previously reported for older lens types worn for fewer consecutive 24-hour periods.

5 Dec 2005

The earlier cochlear implants considered, the better

New research at Johns Hopkins has clearly demonstrated the ability of cochlear implants in very young animals to forge normal nerve fibers that transmit sound and to restore hearing by reversing or preventing damage to the brain's auditory system.

5 Dec 2005

LEDGF protein controls the location of HIV integration in human cells

A human DNA-associated protein called LEDGF is the first such molecule found to control the location of HIV integration in human cells, according to researchers at the University of Pennsylvania School of Medicine.

5 Dec 2005

Mum's the Word: Exploring Early Motherhood

Mums are the focus of a new study being undertaken by RMIT University researcher Leanne Sheeran.

5 Dec 2005

Telemammography works

Digital mammography images can be accurately transmitted over broadband Internet, according to a study presented at the annual meeting of the Radiological Society of North America (RSNA).

5 Dec 2005

Iron-biofortified rice improves the iron stores of nonanemic Filipino women

For the past decade, plant breeders have been trying to boost the vitamin and mineral content of rice and other staples through traditional plant breeding and genetic engineering. But the foods have never been tested to see if they actually improve the health of the people who eat them.

5 Dec 2005

Genetics play a part in the inability to stop caffeine use

A study led by Johns Hopkins investigators has shown that women with a serious caffeine habit and a family history of alcohol abuse are more likely to ignore advice to stop using caffeine during pregnancy.

5 Dec 2005

Ultrafiltration therapy safe and effective

A device that performs ultrafiltration of blood, without requiring specialized nursing care or invasive central intravenous access, can reduce fluid overload in patients with congestive heart failure, according to a new study in the Dec. 6, 2005, issue of the Journal of the American College of Cardiology.

5 Dec 2005