New tools for discovering the role sRNA plays in cellular regulation

Douglas P. Shepherd; Nan Li; Elizabeth Hong-Geller; Brian Munsky; James H. Werner

doi:10.1117/12.910540

13 February 2012 New tools for discovering the role sRNA plays in cellular regulation

Douglas P. Shepherd, Nan Li, Elizabeth Hong-Geller, Brian Munsky, James H. Werner

Proceedings Volume 8228, Single Molecule Spectroscopy and Superresolution Imaging V; 822808 (2012) https://doi.org/10.1117/12.910540
Event: SPIE BiOS, 2012, San Francisco, California, United States

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.

Citation Download Citation

Douglas P. Shepherd, Nan Li, Elizabeth Hong-Geller, Brian Munsky, and James H. Werner "New tools for discovering the role sRNA plays in cellular regulation", Proc. SPIE 8228, Single Molecule Spectroscopy and Superresolution Imaging V, 822808 (13 February 2012); https://doi.org/10.1117/12.910540

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