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Proceedings Paper

New tools for discovering the role sRNA plays in cellular regulation
Author(s): Douglas P. Shepherd; Nan Li; Elizabeth Hong-Geller; Brian Munsky; James H. Werner
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Paper Abstract

We have used single molecule fluorescence in situ hybridization (smFISH) to study cell-to-cell heterogeneity of messenger RNA (mRNA) copy numbers for human host cells subject to a variety of external stimuli. In order to study the effect of various stimuli and genetic modifications on mRNA copy number, we have constructed an automated highthroughput multiplexed imaging system and data analysis package capable of localizing large numbers of individual mRNA transcripts in three dimensions. These experimental distributions of mRNA are used to refine and down-select regulatory models. Here we present a case example of Interleukin 1 alpha mRNA production in response to immune system stimulation. We propose a methodology for extending these methods to study the effect of small RNA on genetic expression by combining multiplexed imaging and numerical modeling at the system-level.

Paper Details

Date Published: 13 February 2012
PDF: 10 pages
Proc. SPIE 8228, Single Molecule Spectroscopy and Superresolution Imaging V, 822808 (13 February 2012); doi: 10.1117/12.910540
Show Author Affiliations
Douglas P. Shepherd, Los Alamos National Lab. (United States)
Nan Li, Los Alamos National Lab. (United States)
Elizabeth Hong-Geller, Los Alamos National Lab. (United States)
Brian Munsky, Los Alamos National Lab. (United States)
James H. Werner, Los Alamos National Lab. (United States)


Published in SPIE Proceedings Vol. 8228:
Single Molecule Spectroscopy and Superresolution Imaging V
Jörg Enderlein; Zygmunt Karol Gryczynski; Rainer Erdmann; Felix Koberling; Ingo Gregor, Editor(s)

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