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Scientists clone mice from adult skin stem cells

The potential of stem cells has so far gone largely untapped, despite the great promise that stem cells hold. But new research from Rockefeller University now shows that adult stem cells taken from skin can be used to clone mice using a procedure called nuclear transfer. Embryonic stem cells have...
Science News

Analysis of Chinese AIDs epidemic shows surprising patterns

The mountainous Chinese province of Yunnan is tucked into the country’s southwest corner, a scenic region that borders Burma, Laos and Vietnam. The province shares its rugged topography with the surrounding countries, but it shares a less favorable trait as well: a growing AIDS epidemic, driven b...
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With no plan for DNA replication, cells depend on random selection

Each time a human cell divides it has to replicate three billion base pairs of DNA. All of the cell’s DNA must be copied once, but not more than once, within a very short period of time. But new research in yeast from Rockefeller University shows that instead of going about DNA replication in an ...
Science News

First-ever images of a living immune structure shows B cells in action

When an infection strikes, B cells act as the immune system’s tag-and-release team, hunting down the invading pathogen with incredible accuracy and labeling it with antibodies that inform other immune cells to destroy it. B cells are taught to recognize their prey inside tiny structures called ge...
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DNA breaks may help parasites elude the immune system

Parasites have spent millions of years of evolution trying to outsmart the human immune system, and one of their tricks is to change their appearance so that the immune cells no longer recognize them. In the parasite Trypanosoma brucei, which causes African sleeping sickness, new research suggest...
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Dendritic cell receptor may be the key to an HIV vaccine

HIV vaccine science has hit a bit of a wall. For a vaccine to be really effective, it should be able to recruit different areas of the immune system. It should get one set of immune cells, called helper T cells, to recognize the AIDS virus and spur on another set of immune cells, the killer T cel...
Awards and Honors

Jeffrey Friedman to receive Kovalenko Medal

The National Academy of Sciences announced today that Rockefeller University scientist Jeffrey M. Friedman will receive the National Academy of Sciences’ Jessie Stevenson Kovalenko Medal — a medal and prize of $25,000 awarded every three years for important contributions to the medical sciences....
Science News

Preparing a multi-pronged attach: Different subsets of dendritic cells help expand the immune system's response

Dendritic cells coordinate and direct the body’s immune response, playing a crucial role in our ability to fend off disease. By processing molecules from invading pathogens — called antigens — they can present those molecules for other immune cells to recognize and attack. But researchers have...
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Researcher discover new cell death program

Cell death during animal development acts like an eraser — sculpting organs, the nervous system, fingers and toes — by removing unnecessary or unneeded cells. There are a few different processes that regulate how and when cells die, but research from Rockefeller University identifies a new type ...
Science News

Plant 'vaccines' may combat viruses in crops

Plants might not get colds, but they do get viruses — and viral diseases in crops cause enormous economic damage each year. New research, however, suggests that plant “vaccines,” developed at Rockefeller University, may be a new way of helping fend off viral attackers. “Plants possess sever...
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