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Study holds promise for malarial susceptibility test

Cell and animal studies conducted jointly by scientists at Johns Hopkins, Yale and other institutions have uncovered at least one important contributor to the severe anemia that kills almost half of the 2 million people worldwide who die each year of malaria.

12 May 2006

Cancer-causing chemicals associated with tobacco smoke found in the urine of nearly half the babies of smoking parents

When mum or dad puffs on a cigarette, their infants may inhale the resulting second-hand smoke. Now, scientists have detected cancer-causing chemicals associated with tobacco smoke in the urine of nearly half the babies of smoking parents.

12 May 2006

Study sheds light on cancer susceptibility and disease involving bone-marrow failure

Defective protein production can occur in cells even when the genes controlling those proteins are normal, according to a new study to be published May 12 in Science.

12 May 2006

15% of Asians living in New York City are chronically infected with hepatitis B virus

Chronic hepatitis B infection usually will lead to liver inflammation and can progress to cirrhosis and liver cancer. The reported infection rate is 35 times higher than the rate in the general U.S. population.

12 May 2006

K55R polymorphism gene variation linked to coronary heart disease

New research at the National Institute of Environmental Health Sciences, part of the National Institutes of Health, found that a common genetic variation makes some people more susceptible to coronary heart disease (CHD).

12 May 2006

Signaling pathway mTOR plays a role in the brain's ability to sense how much energy the body has available

A cell-signaling pathway in the brain that is linked to the development of cancer and diabetes is also a key part of networks that regulate food intake, say University of Cincinnati (UC) researchers.

12 May 2006

Researchers improve delivery of health care for pediatric patients

Having a young child scheduled for a magnetic resonance imaging (MRI) or computed tomography (CT) scan to diagnose a potentially serious condition can be worrying for parents.

11 May 2006

Search for cancer genes unlikely to be successful

The hunt to find common genes that are associated with cancer is unlikely to be successful, say experts in this week's British Medical Journal.

11 May 2006

Potential for organ donation in the United Kingdom

The biggest obstacle to improving the organ donation rate in the United Kingdom is the number of relatives who refuse consent, say researchers in this week's British Medical Journal.

11 May 2006

Climate, deer, rodents, and acorns as determinants of variation in Lyme-disease risk

In the United States, Lyme disease incidence has skyrocketed from 497 cases reported in 1982 (the first year national statistics were collected) to a record 23,763 in 2002.

11 May 2006

Transitions to injecting drug use among noninjecting heroin users

In a study reported in the current issue of the Journal of Acquired Immune Deficiency Syndromes, scientists from the National Development and Research Institutes, Inc. (NDRI) report on a study of street-recruited heroin users in New York City, who were not injecting, to determine the incidence and predictors of making a transition to injecting.

11 May 2006

c-myc gene found to play role in immune system

c-myc, a gene commonly involved in cancer onset, has been found to have a role in the immune system's normal function according to a study published in Blood.

11 May 2006

The ratio of phosphatidylcholine to phosphatidylethanolamine influences membrane integrity and steatohepatitis

An imbalance in the lipid content of the liver appears to trigger the downward spiral that leads some with fatty liver disease to advance to full-blown liver failure, according to a new study in the May Cell Metabolism.

11 May 2006

Majority of sexual assaults drug facilitated

Almost 62 percent of sexual assaults were found to be drug facilitated, and almost 5 percent of the victims were given classic 'date-rape' drugs, according to a new study at the University of Illinois at Chicago.

11 May 2006

Dynamics of drying DNA droplets on glass surfaces

Coffee drinkers are familiar with the ring-shaped stains that result from spilled drops that have dried, in which the brown stain is not evenly distributed, but instead concentrated at the edge.

11 May 2006

Students feel safer in ethnically diverse classrooms and schools

Middle school students are more likely to feel safer, less bullied and less lonely in ethnically diverse schools, psychologists from UCLA and UC Davis report in a new study of more than 70 sixth-grade classrooms in 11 Los Angeles public middle schools with predominantly minority and low-income students.

11 May 2006

Ghrelin involved in development of diabetes

Ghrelin, a hormone long considered a key player in obesity, may instead take a major role in maintaining the balance between insulin and glucose and the development of diabetes, said Baylor College of Medicine researchers in a report in the current issue of the journal Cell Metabolism.

11 May 2006