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RNAs as extracellular signaling molecules - PubMed

Review

RNAs as extracellular signaling molecules

Marcel E Dinger et al. J Mol Endocrinol. 2008 Apr.

Abstract

RNA is emerging as a major component of the regulatory circuitry that underpins the development and physiology of complex organisms. Here we review recent evidence that suggests that RNA may supplement endocrine and paracrine signaling by small molecules and proteins, and act as an efficient and evolutionarily flexible source of sequence-specific information transfer between cells, both locally and systemically. As such, RNA signaling may play a central but previously hidden role in multicellular ontogeny, homeostasis, and transmitted epigenetic memory.

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