Genetic News and Research

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Can a taste for poison drive speciation?

The endless struggle for survival in nature inevitably boils down to finding food and eluding predators.

25 Apr 2007

Age when a woman's periods start may affect her children's growth rate

Researchers from the Medical Research Council and University of Cambridge, led by Dr Ken Ong, studied the association between mother's age at first menstruation, mother's adult body size and obesity risk, and children's growth and obesity risk in 6,009 children from the UK Avon Longitudinal Study of Parents and Children (ALSPAC) in Bristol.

25 Apr 2007

Why yearly checkups are important for women

Even women who are healthy need regular preventive services like breast exams, Pap tests, immunizations, and (starting at age 50) fecal occult blood testing, along with periodic measurements of weight, height, and blood pressure.

25 Apr 2007

Researchers identify key function of a molecule - wound healing in the skin

The skin is the largest organ of the human body. It protects against environmental influences and pathogens, regulates body temperature, and protects the body against dehydration.

24 Apr 2007

Similar brain chemicals influence aggression in fruit flies and humans

Serotonin is a major signaling chemical in the brain, and it has long been thought to be involved in aggressive behavior in a wide variety of animals as well as in humans.

24 Apr 2007

Scientists discover new virus responsible for deaths of 3 transplant recipients

Scientists in the Greene Infectious Disease Laboratory of the Columbia University Mailman School of Public Health and colleagues in the Victorian Infectious Diseases Reference Laboratory in Melbourne, Australia and 454 Life Sciences have discovered a new virus that was responsible for the deaths of three transplant recipients who received organs from a single donor in Victoria, Australia.

24 Apr 2007

Muscle restoration in an animal model of Duchenne muscular dystrophy

Using a new type of drug that targets a specific genetic defect, researchers at the University of Pennsylvania School of Medicine, along with colleagues at PTC Therapeutics Inc. and the University of Massachusetts Medical School, have for the first time demonstrated restoration of muscle function in a mouse model of Duchenne's muscular dystrophy (DMD).

24 Apr 2007

Miscue of body's genetic repair system may cause Huntington's disease

Mayo Clinic researchers, along with collaborators from the National Institutes of Health (NIH) and University of Oslo, Norway, have discovered that a miscue of the body's genetic repair system may cause Huntington's disease, a fatal condition that affects 30,000 Americans annually by destroying their nervous system.

24 Apr 2007

Conflict of interest notification study

Medical professionals conducting clinical trials should provide more information about financial conflicts of interest before they talk to patients about participating in the trials.

24 Apr 2007

Chitin compound causes allergic inflammation

The beetle's back and the crab's shell owe their toughness to a common compound called chitin that now appears to trigger airway inflammation and possibly asthma, UCSF scientists have found.

24 Apr 2007

Spousal choices can influence alcohol dependence

Alcohol dependence (AD) is more common among partners of alcoholics than among partners of non-alcoholics.

24 Apr 2007

Johns Hopkins creates database of phosphorylation events

Researchers at Johns Hopkins took advantage of a new technique that reads the makeup of proteins to identify nearly all chemical changes nature makes by adding phosphate to proteins manufactured in human cells.

24 Apr 2007

Discovery of new virus

24 Apr 2007

UNC-45 protein critical to proper formation of muscles

Proper formation of the proteins that power heart and skeletal muscle seems to rely on a precise concentration of a "chaperone" protein known as UNC-45, according to a new study.

24 Apr 2007

New understanding of schizophrenia

New research helps bridge an important gap in understanding schizophrenia, providing the best evidence to date that defects in the brain's white matter are a key contributor to the disease, which affects about 1 percent of people worldwide.

24 Apr 2007

Discovery of new genes associated with fever-related seizures that occur in infancy and childhood

Researchers have localized two new genes that are associated with fever-related seizures that occur in infancy and childhood, according to a study published in the April 24, 2007, issue of Neurology, the scientific journal of the American Academy of Neurology.

24 Apr 2007

Junk DNA plays a role in controlling when genes turn on and off

Large swaths of garbled human DNA once dismissed as junk appear to contain some valuable sections, according to a new study by researchers at the Stanford University School of Medicine and the University of California-Santa Cruz.

24 Apr 2007

New methods for treating lung cancer cells that have become resistant to new anti-cancer agents

Researchers at the Ireland Cancer Center of University Hospitals Case Medical Center have developed methods for treating lung cancer cells that have become resistant to new anti-cancer agents.

24 Apr 2007

Developmental problems for siblings of autistic children

Younger siblings of children with autism are at risk to suffer from delayed verbal, cognitive and motor development in their early childhood years.

24 Apr 2007

Cortex area thinner in youth with Alzheimer's-related gene

A part of the brain first affected by Alzheimer's disease is thinner in youth with a risk gene for the disorder, a brain imaging study by researchers at the National Institute of Mental Health (NIMH), one of the National Institutes of Health, has found.

24 Apr 2007