Stem cells, systems biology and human feedback
Mount Sinai researchers hope that systems biology can show how molecular processes within a cell control its fate. Lemischka works with his biologist colleagues to perturb gene expression in stem cells. Using the technique of RNA interference, they can remove one transcription factor at a time at time zero, right after cell division, and measure changes such as those in transcription levels for genes over time.
Read more at:
http://www.nature.com/stemcells.2009.25.html
New database could speed up drug discovery
A new database and software, called ChIP Enrichment Analysis, or ChEA, is set to revolutionize how researchers identify drug targets and biomarkers.
Until ChEA was developed, no centralized database integrated results from, for instance, ChIP-seq and ChIP-chip experiments (these are used to identify how "transcription factor" proteins might regulate all genes in humans and mice).
Now this new computational method should help streamline how scientists analyze these gene expression experiments.