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NIH Research Matters

MAY 2007 Archive

may 7, 2007

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New Risk Factors Identified for Type 2 Diabetes

A collaborative effort by 3 international research teams has provided new clues to help us understand why some people develop type 2 diabetes and others do not.

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Molecule in Human Blood Inhibits HIV

Researchers have found a compound in human blood that effectively blocks HIV-1, the most common strain of the virus that causes AIDS in the U.S., from infecting immune cells and multiplying. With a couple of changes, the researchers were able to significantly increase the compoundís potency. Because it works differently than existing HIV inhibitors, this discovery could lead to another class of drugs to fight AIDS.

Photo of a man suffering with a migraine headache.

Migraines Tied to Greater Heart Attack Risk in Men

Men who suffer from migraine headaches may be at increased risk for heart attack and other types of cardiovascular disease, a large clinical study has found. The findings complement last year's report from the same research team, which found that women face a greater risk for cardiovascular disease if they have a history of migraines.

may 14, 2007

Photo of a depressed man.

Genetic Roots of Bipolar Disorder Revealed

The first genome-wide study of bipolar disorder has found that no single gene is sufficient to cause the disorder. Rather, several genetic variations appear to boost the disease risk, especially in combination. The implicated genes provide potential new targets for drug development and may ultimately lead to more effective treatments.

Five red rods connect a spherical magenta virus with a yellow core to a blue surface.

"Entry Claw" Helps the HIV Virus Infect Host Cells

Scientists have described a new structure at the interface between the AIDS virus and the host cells it infects that appears to help the virus gain entry to its target.

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Learning and Memories Restored in Mice

Two strategies boost new memory formation in mice and restore access to old memories that had seemed lost, according to a new study. The results raise the possibility that the memories of people with dementia may not be forever gone, but temporarily inaccessible.

may 21, 2007

Small opossum cupped in two hands.

Opossum Genome Shows Value in "Junk" DNA

The opossum genome, the first marsupial genome to be sequenced, gives scientists interesting insight into human evolution.

A single hair with its base in a bulbous follicle sticks up and out of the skin surface.

Mice Regenerate Hair Follicles

Researchers have rebuffed conventional wisdom and shown that adult mice can regenerate hair follicles and hair after wounding. The finding suggests new directions for designing treatments for wounds, hair loss and other degenerative skin disorders.

may 29, 2007

Photo of a group of healthy school age children.

Database Tracks Brain Development in Hundreds of Children

A new study provides a valuable set of benchmarks for brain development in healthy children. In the future, this information will help researchers determine how diseases, prenatal exposure to toxins and other conditions cause brain development to stray from its normal course.

Hepatitis viruses appear as diffuse dark circles clustered together on a light background.

Hepatitis C Vaccine Shows Promise in Chimpanzees

Scientists have developed an experimental vaccine that triggers protective immune responses and helps to control hepatitis C infection in chimpanzees.

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Gene Connects Biological Clock to Weight Regulation

Scientists report a new link between a gene that controls the body’s biological clock and weight gain.

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About NIH Research Matters

Editor: Harrison Wein, Ph.D.
Assistant Editors: Vicki Contie, Carol Torgan, Ph.D.

NIH Research Matters is a weekly update of NIH research highlights from the Office of Communications and Public Liaison, Office of the Director, National Institutes of Health.

ISSN 2375-9593

This page last reviewed on December 3, 2012

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