miRNeye: a microRNA expression atlas of the mouse eye. - Inserm - Institut national de la santé et de la recherche médicale Access content directly
Journal Articles BMC Genomics Year : 2010

miRNeye: a microRNA expression atlas of the mouse eye.


BACKGROUND: MicroRNAs (miRNAs) are key regulators of biological processes. To define miRNA function in the eye, it is essential to determine a high-resolution profile of their spatial and temporal distribution. RESULTS: In this report, we present the first comprehensive survey of miRNA expression in ocular tissues, using both microarray and RNA in situ hybridization (ISH) procedures. We initially determined the expression profiles of miRNAs in the retina, lens, cornea and retinal pigment epithelium of the adult mouse eye by microarray. Each tissue exhibited notably distinct miRNA enrichment patterns and cluster analysis identified groups of miRNAs that showed predominant expression in specific ocular tissues or combinations of them. Next, we performed RNA ISH for over 220 miRNAs, including those showing the highest expression levels by microarray, and generated a high-resolution expression atlas of miRNAs in the developing and adult wild-type mouse eye, which is accessible in the form of a publicly available web database. We found that 122 miRNAs displayed restricted expression domains in the eye at different developmental stages, with the majority of them expressed in one or more cell layers of the neural retina. CONCLUSIONS: This analysis revealed miRNAs with differential expression in ocular tissues and provided a detailed atlas of their tissue-specific distribution during development of the murine eye. The combination of the two approaches offers a valuable resource to decipher the contributions of specific miRNAs and miRNA clusters to the development of distinct ocular structures.
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Dates and versions

inserm-00626209 , version 1 (23-09-2011)



Marianthi Karali, Ivana Peluso, Vincenzo Gennarino, Marchesa Bilio, Roberta Verde, et al.. miRNeye: a microRNA expression atlas of the mouse eye.. BMC Genomics, 2010, 11 (1), pp.715. ⟨10.1186/1471-2164-11-715⟩. ⟨inserm-00626209⟩
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