RRC ID 11061
Author Saj A, Arziman Z, Stempfle D, van Belle W, Sauder U, Horn T, Dürrenberger M, Paro R, Boutros M, Merdes G.
Title A combined ex vivo and in vivo RNAi screen for notch regulators in Drosophila reveals an extensive notch interaction network.
Journal Dev. Cell
Abstract Notch signaling plays a fundamental role in cellular differentiation and has been linked to human diseases, including cancer. We report the use of comprehensive RNAi analyses to dissect Notch regulation and its connections to cellular pathways. A cell-based RNAi screen identified 900 candidate Notch regulators on a genome-wide scale. The subsequent use of a library of transgenic Drosophila expressing RNAi constructs enabled large-scale in vivo validation and confirmed 333 of 501 tested genes as Notch regulators. Mapping the phenotypic attributes of our data on an interaction network identified another 68 relevant genes and revealed several modules of unexpected Notch regulatory activity. In particular, we note an intriguing relationship to pyruvate metabolism, which may be relevant to cancer. Our study reveals a hitherto unappreciated diversity of tissue-specific modulators impinging on Notch and opens new avenues for studying Notch regulation and function in development and disease.
Volume 18(5)
Pages 862-76
Published 2010-5-18
DOI 10.1016/j.devcel.2010.03.013
PII S1534-5807(10)00152-8
PMID 20493818
MeSH Animals Drosophila / genetics* Drosophila / physiology Drosophila Proteins / genetics* Gene Expression Regulation Genome-Wide Association Study* Humans Neoplasms / genetics Phenotype RNA Interference* RNA, Small Interfering / genetics* Receptors, Notch / genetics* Signal Transduction Wings, Animal / physiology
IF 9.616
Times Cited 66
WOS Category DEVELOPMENTAL BIOLOGY CELL BIOLOGY
Resource
Drosophila 10161R-2 10289R-1 10289R-1 10289R-1 10289R-2 10415R-3 10415R-3 10444R-1 10444R-2 10444R-2 1044R-3 1044R-3 10484R-2 10484R-3 10484R-3 1057R-1 1057R-1 1057R-2 1057R-2 10712-1R-1 10712-1R-1 10712-1R-2 10712-1R-2 10712R-2 10712R-2 10719R-1 10754R-1 10754R-1 10754R-4 10846R-1 10846R-1 10846R-2 10868R-1 10868R-1 10883R-1 10883R-1 10908R-1 10908R-1 10908R-1 10908R-1 10948R-3 10954R-4 10955R-2 10955R-3 10955R-3 11006R-1 11006R-1 11115R-1 11115R-1 11115R-2 1115R-1 1115R-1 1115R-1 11184R-2 11184R-2 11184R-2 11184R-3 11184R-3 11184R-3 11266R-2 11266R-2 11514R-1 11514R-3 11518R-1 11518R-1 11518R-1 11518R-2 11518R-2 11555R-1 11555R-1 11555R-2 11555R-2 11579R-1 11579R-2 11621R-1 11621R-1 11621R-2 11761R-2 11761R-2 11858R-3 11858R-3 11861R-1 11861R-1 11861R-1 11861R-2 11861R-2 11873R-1 11873R-1 11873R-1 11873R-1 11876R-2 11876R-2 11876R-2 11876R-2 11876R-3 11876R-3 11979R-1 11979R-1 11979R-3 11979R-3 11984R-2 11984R-2 11984R-3 11984R-3 11984R-3 12019R-1 12019R-1 12019R-1 12019R-1 12058R-1 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