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A boost for cellular profiling
Date:9/22/2013

. This will permit researchers to conduct a more granular analysis of how subtle differences between the same genes in different people -- known as single nucleotide polymorphisms (or SNPs) -- contribute to differences in biology and disease.

The new method is likely to be of great value to cancer research. Identifying rare sub-populations of cells in tumors and understanding their role in the survival and progression of cancers can provide invaluable information for the development of diagnostics and targeted therapies. A study recently published by Ludwig researchers described, for example, how certain subpopulations of cells in melanomas can be pushed into a drug-susceptible state and then destroyed by chemotherapy. More such strategies might be devised as researchers get a better handle on the cellular species found in different types of tumors, and the patterns of gene expression that define them.

Because Smart-seq2 relies on off-the-shelf reagents, it costs roughly a twentieth as much as the commercialized kit, which should allow researchers to conduct sophisticated analyses of single cells on a much larger scale. It can also be improved further by the scientific community, since its constituent components and rationale are both open to the public.

Armed with the more effective and affordable Smart-seq2, Sandberg's lab is now moving ahead on projects that require a large-scale, single-cell gene expression analysis. "Now all researchers can do their own single-cell gene expression analysis by buying the components of the process described in this paper and assembling their own kits," says Sandberg.


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Contact: Rachel Steinhardt
rsteinhardt@licr.org
212-450-1582
Ludwig Institute for Cancer Research
Source:Eurekalert

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