Sunday, February 19, 2012

ScienceDaily: Biotechnology News

ScienceDaily: Biotechnology News

Live from the thymus: T-cells on the move

Posted: 17 Feb 2012 11:56 AM PST

For the first time, scientists follow the development of individual immune cells in a living zebrafish embryo. T-cells are the immune system's security force. They seek out pathogens and rogue cells in the body and put them out of action. Their precursors are formed in the bone marrow and migrate from there into the thymus. Here, they mature and differentiate to perform a variety of tasks. Scientists have now succeeded for the first time in observing the maturation of immune cells in live zebrafish embryos.

Chemists develop more efficient protein labeling

Posted: 05 Feb 2012 01:37 PM PST

Researchers have created specially engineered mammalian cells to provide a new "chemical handle" which will enable them to label proteins of interest more efficiently.
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