RESEARCH NEWS
FROM HHMI

Making Mice Old Before Their Time
(01.27.06)
Knocking out a gene that helps repair nicks in DNA causes young mice to develop many of the degenerative characteristics of their wizened elders.

Switching off Aging in
Stem Cells
(09.06.06)
A single molecular switch plays a central role in inducing stem cells in the brain, pancreas, and blood to lose function as they age.

Researchers Identify Genes Role in Suppressing Longevity
(07.19.05)
HHMI researchers have determined that a gene present in mouse cells limits the number of times that a cell can divide.

Researchers Uncover New Genes that Control Longevity
(11.18.05)
HHMI researchers and their colleagues have identified 10 new genes that regulate longevity in yeast.

Does Chromosome 4 Hold the Secret to Human Longevity?
(08.28.01)
A genetic study of more than 300 long-lived people suggests that chromosome 4 may harbor a secret about human longevity.

HHMI SCIENTISTS AND AGING

Frederick W. Alt

Sean J. Morrison

Stanley Fields

FROM THE HHMI BULLETIN

Secrets of the Centenarians
In certain families, small genetic variations bring good health and long life. Can researchers apply this knowledge to benefit us all?

FROM BIOINTERACTIVE

Stem Cells and the End of Aging

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HHMI Bulletin: November 2009

Cover Story: The Most Vulnerable Patients
Problems during pregnancy burden too many newborns with lifelong disabilities. Researchers are finding clues to a safer nine months, and a brighter future.

Taming Fear, Rising Calm
A social conscience rooted in the Deep South moves Kerry Ressler, a psychiatrist and neuroscientist, to try to ease the consequences of inner city trauma.

Membrane Awakening
Researchers are taking a more holistic look at cell membranes and the proteins embedded in them—and the surprises keep coming.

Enhancing TA Performance
Instead of letting teaching assistants sink or swim, risking their failure and the ire of the undergrads, some schools are prescribing a class in how to teach before they get in front of a class.