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The rockefeller university

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Sperm cells shaped by natural cell suicide mechanism
In male fruit flies, fertility requires it; Trigger for release of "beastly caspases" also identified Since discovering that body cells actively commit suicide over 35 years ago, scientists have come to learn that this natural process, called programmed cell death, occurs throughout human tissues...
Frog (and histone) tails tell the tale
Rockefeller researcher proposes "death code" for cells Using laboratory cultures of human leukemia cells and the tails of tadpoles, a Rockefeller University researcher has shown that specialized proteins in the cell nucleus contain chemical flags that provide a "code" that spells death. The findi...
MacKinnon lab's newest picture tells action potential story
Voltage-dependent channel structure reveals masterpiece responsible for all nerve, muscle activity Scientists studying the tiny devices — called voltage-dependent ion channels — that are responsible for all nerve and muscle signals in living organisms for 50 years have been working like a bun...
"Smartness' about social life is different from smartness about SAT scores"
Four gene "micronet" found to regulate social behavior in female mice What do the brain, ovaries and nose have in common? According to new research from The Rockefeller University, these three organs help orchestrate the complex behavior called social recognition in female mice through the intera...
New test for drug and alcohol addiction focuses solely on time of heaviest use
A new survey can quickly test for addiction to cocaine, heroin and alcohol simply by asking about the time in the person's life when he or she was drinking or using these substances the most, according to a study by Rockefeller University researchers. In the five-minute survey, only three answers...
Food traffic
Researchers develop new conceptual tool for describing ecological communities Ever since Charles Darwin wrote one of the first descriptions of a food web — outlining who eats whom — in 1838, biologists such as Rockefeller scientist Joel E. Cohen, Ph.D., Dr.P.H., have been studying patterns of e...
"Stressed out" by living and working in NYC?
Experts on stress will speak on April 29, at Rockefeller Univ. lecture for public Car alarms. Traffic jams. Job layoffs. These almost daily events are among the reasons that New Yorkers often feel stressed out. But while many people can identify what triggers their stress, they may not understand...
Gairdner Prize honors Rockefeller scientist Ralph Steinman, M.D.
Dendritic cells, discovered at Rockefeller in 1973, now a vehicle for immune-based therapies For the critical discovery of the immune system's sentinel dendritic cells, and for demonstrating that science can fruitfully harness the power of these cells and other components of the immune system to ...
First images of protein export in cells illuminate structural "highways" called microtubules as sole conduits of protein cargo
For the first time, scientists have viewed — and recorded on camera — the final pathway followed by a protein as it exits the body cell that created it. Once released from a cell, a protein is free to perform its duties as a neurotransmitter, hormone, cell surface receptor, or one of the many ot...
The protein's in the mail
New findings from Blobel lab enhance understanding of "ZIP Code" protein transport system A busy urban post office daily sorts thousands of letters and parcels, guiding each to a particular mailbox somewhere in the city. Each day, every cell of the human body manufactures millions of proteins whi...
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