Comment[ArrayExpressAccession] E-GEOD-55033 MAGE-TAB Version 1.1 Public Release Date 2015-09-03 Investigation Title MicroRNA-15/16 Antagonizes c-Myb to Control Natural Killer Cell Maturation Comment[Submitted Name] MicroRNA-15/16 Antagonizes c-Myb to Control Natural Killer Cell Maturation Experiment Description NK cells develop in the bone marrow and complete their maturation in peripheral organs, but the molecular events controlling maturation are incompletely understood. Utilizing an NK cell-specific miR-15/16 deficient genetic model (15aKO), we identified a critical role for miR-15/16 family microRNAs in the normal maturation of NK cells in vivo, with a specific reduction in mature CD11b+CD27- NK cells in multiple tissues. The mechanism responsible was a block in differentiation, since accelerated NK cell death was not evident, and earlier intermediates of NK cell maturation were expanded. Further, we identified Myb as a direct target of miR-15/16 in NK cells, with Myb expression increased in immature 15aKO NK cells. Following adoptive transfer, immature 15aKO NK cells exhibited defective maturation, which was rescued by ectopic miR-15/16 expression or Myb knockdown. Moreover, Myb overexpression resulted in defective NK cell maturation. Thus, miR-15/16 regulation of Myb controls the normal NK cell maturation program. 3 technical replicates each of CD27+ 15a/16-1FKO NK cells, and CD27+ Ctrl NK cells Term Source Name ArrayExpress EFO Term Source File http://www.ebi.ac.uk/arrayexpress/ http://www.ebi.ac.uk/efo/efo.owl Person Last Name Fehniger Sullivan Fehniger Person First Name Todd Ryan Todd Person Mid Initials A P A Person Email tfehnige@wustl.edu Person Affiliation Washington University in St. Louis School of Medicine Person Address Internal Medicine / Oncology, Washington University in St. Louis School of Medicine, 660 S. Euclid Ave Campus Box 8007, Saint Louis, MO, USA Person Roles submitter Protocol Name P-GSE55033-1 P-GSE55033-5 P-GSE55033-6 P-GSE55033-2 P-GSE55033-3 P-GSE55033-4 P-GSE55033-7 Protocol Description Analyzed with Partek Genomics Suite v6.6, using RMA scaling ID_REF = VALUE = RMA signal Standard Affymetrix protocol Standard Affymetrix protocol Sorted immediately after spleen harvest. 8-12 week old mice Cellular material was resuspended in Trizol (Invitrogen) and processed using Directzol columns (Zymo Research) according to the manufacturer's instructions. Standard Affymetrix protocol Protocol Type normalization data transformation protocol labelling protocol hybridization protocol sample treatment protocol growth protocol nucleic acid extraction protocol array scanning protocol Experimental Factor Name genotype Experimental Factor Type genotype Publication Title MicroRNA-15/16 Antagonizes Myb To Control NK Cell Maturation. Publication Author List Sullivan RP, Leong JW, Schneider SE, Ireland AR, Berrien-Elliott MM, Singh A, Schappe T, Jewell BA, Sexl V, Fehniger TA PubMed ID 26268657 Publication DOI 10.4049/jimmunol.1500949 Comment[SecondaryAccession] GSE55033 Comment[GEOReleaseDate] 2015-09-03 Comment[ArrayExpressSubmissionDate] 2014-02-14 Comment[GEOLastUpdateDate] 2015-09-03 Comment[AEExperimentType] transcription profiling by array SDRF File E-GEOD-55033.sdrf.txt