Through Next Generation Sequencing (mRNA-Seq) of intracellular miRNAs in measles virus-stimulated B and CD4+ T cells isolated from high and low antibody responders to measles vaccination, we identified a set of B cell-specific miRNAs (e.g., miR-151a-5p, miR-223, miR-29, miR-15a-5p, miR-199a-3p, miR-103a, and miR-15a/16 cluster) associated with measles-specific antibody response after vaccination. No CD4+ T cell-specific miRNA expression differences between high and low antibody responders were found. DIANA tool was used for gene/target prediction and pathway enrichment analysis and this yielded several biological processes/pathways, including regulation of adherens junction proteins, Fc-receptor signaling pathway, phosphatidylinositol-mediated signaling pathway, growth factor signaling pathway/pathways, transcriptional regulation, apoptosis and virus-related processes, that were significantly associated with neutralizing antibody titers after measles vaccination. This study demonstrates that miRNA expression directly or indirectly influences humoral immunity to measles vaccination and suggests that B cell-specific miRNAs may potentially serve as predictive biomarkers of vaccine response. Overall design: Examination of miRNA expression differences in/between purified B and CD4+ T cells of high and low responders to measles vaccination.
Differential miRNA expression in B cells is associated with inter-individual differences in humoral immune response to measles vaccination.
Specimen part, Subject
View SamplesThe distinction between the Burkitt lymphoma and diffuse large B-cell lymphoma is imprecise using current diagnostic criteria. We applied transcriptional and genomic profiling to molecularly define Burkitt lymphoma. Gene expression profiling employing Affymetrix GeneChips (U133A) was performed in 220 mature aggressive B-cell lymphomas, including a core group of eight Burkitt lymphomas, which fulfilled all diagnostic criteria of the WHO classification. A molecular signature of Burkitt lymphoma was generated. Chromosomal abnormalities were detected by interphase fluorescence in-situ hybridization and array comparative genomic hybridization. The molecular Burkitt lymphoma signature identified 44 cases. Fifteen of these cases lacked a morphology typical for Burkitt/Burkitt-like lymphoma. The vast majority (88%) of the 176 lymphomas without the molecular Burkitt lymphoma signature represented diffuse large B-cell lymphomas. In 20% of these cases a MYC break was detectable which was associated with complex chromosomal changes. Our molecular definition of Burkitt lymphoma sharpens and extends the spectrum of Burkitt lymphoma. In mature aggressive B-cell lymphomas without a Burkitt lymphoma signature, a chromosomal break in the MYC locus proved to be associated with adverse clinical outcome.
A biologic definition of Burkitt's lymphoma from transcriptional and genomic profiling.
Sex, Age
View SamplesThe goal of this study is to elucidate the influence of treadmill training on transcriptome of the upper lumbar spinal cord after thoracic spinal cord hemisection. mRNA profiles of spinal cords at 23 days-post injury with/without treadmill training were generated. The expression levels of 650 genes in the trained animal were increased ( > 2-fold) compared to untrained animals. Our study represents the detailed analysis of transcriptomes of spinal cord distal to the hemisected lesion after treadmill training, with biologic replicates, generated by RNA-seq technology. Overall design: The effect of training after spinal cord injury (T9) on the transcriptome of intact upper spinal cord was investigated.
Locomotor Training Increases Synaptic Structure With High NGL-2 Expression After Spinal Cord Hemisection.
Specimen part, Cell line, Subject
View SamplesThis SuperSeries is composed of the SubSeries listed below.
Comprehensive developmental profiles of gene activity in regions and subregions of the Arabidopsis seed.
Specimen part
View SamplesWe collected globular stage seed compartments from 5 or 7-micron paraffin sections using the Leica LMD6000 system in order to identify the mRNAs present in different compartments of an Arabidopsis seed containing a globular stage embryo. For the purposes of this study we broke down the seed into 8 capturable compartments: embyro proper, suspensor, micropylar endosperm, peripheral endosperm, chalazal endosperm, chalazal seed coat, general seed coat, and whole seeds.
Comprehensive developmental profiles of gene activity in regions and subregions of the Arabidopsis seed.
No sample metadata fields
View SamplesWe collected heart stage seed compartments from 7 micron paraffin sections using the Leica LMD6000 system in order to identify the mRNAs present in different compartments from seeds containing heart stage embryos. For the purposes of this study we captured 6 compartments: embryo proper, micropylar endosperm, peripheral endosperm, chalazal endosperm, chalazal seed coat and seed coat, as well sets of serial sections encompassing the entire heart stage seed.
Comprehensive developmental profiles of gene activity in regions and subregions of the Arabidopsis seed.
Specimen part
View SamplesWe collected linear-cotyledon stage seed compartments from 5 to 7 micron paraffin sections using the Leica LMD6000 system in order to identify the mRNAs present in different compartments from seeds containing linear-coyledon-stage embryos. For the purposes of this study we captured 7 compartments: embyro proper, cellularized endosperm, chalazal endosperm, chalazal seed coat, general seed coat, whole seeds and micropylar endosperm.
Comprehensive developmental profiles of gene activity in regions and subregions of the Arabidopsis seed.
No sample metadata fields
View SamplesWe collected mature green seed compartments from 7 micron paraffin sections using the Leica LMD6000 system in order to identify the mRNAs present in different compartments from seeds containing mature green-stage embryos. For the purposes of this study we captured 6 compartments: embryo proper, micropylar endosperm, cellularized peripherial endosperm, chalazal endosperm, chalazal seed coat and seed coat, as well sets of serial sections encompassing the entire mature green stage seed.
Comprehensive developmental profiles of gene activity in regions and subregions of the Arabidopsis seed.
Specimen part
View SamplesWe collected pre-globular stage seed compartments from 7-micron paraffin sections using the Leica LMD6000 system in order to identify the mRNAs present in different compartments of seeds containing pre-globular-stage embryos was identified as those seeds containing embryo propers made up of between 2 and 8 cells. For the purposes of this study we captured 6 compartments: embyro proper, micropylar endosperm, peripheral endosperm, chalazal endosperm, chalazal seed coat and general seed coat. Serial sections of entire seeds were also captured for comparison.
Comprehensive developmental profiles of gene activity in regions and subregions of the Arabidopsis seed.
No sample metadata fields
View SamplesWe collected bending-cotyledon seed compartments from 7 micron paraffin sections using the Leica LMD6000 system in order to identify the mRNAs present in different compartments from seeds containing bending cotyledon stage embryos. For the purposes of this study we captured 6 compartments: embryo proper, mycropylar endosperm, cellularized peripherial endosperm, chalazal endosperm, chalazal seed coat and seed coat, in addition to serial sections encompasing the entire bending-cotyledon stage seed.
Comprehensive developmental profiles of gene activity in regions and subregions of the Arabidopsis seed.
Specimen part
View Samples