In this study, we examined transcriptional profiles from 3 different microarray platforms, across 103 peripheral blood samples with and without acute rejection, to find a critical gene-set for the diagnosis of acute renal rejection that matched biopsy diagnosis, irrespective of patient demographics, clinical confounders, concomitant infection, immunosuppression usage or sample processing methods. We hypothesized that changes in peripheral blood expression profiles correlate with biopsy-proven rejection, and that these changes could be used as biomarkers for the diagnosis and prediction of acute rejection.
A peripheral blood diagnostic test for acute rejection in renal transplantation.
Disease, Disease stage
View SamplesIn this study, we examined transcriptional profiles from 3 different microarray platforms, across 103 peripheral blood samples with and without acute rejection, to find a critical gene-set for the diagnosis of acute renal rejection that matched biopsy diagnosis, irrespective of patient demographics, clinical confounders, concomitant infection, immunosuppression usage or sample processing methods. We hypothesized that changes in peripheral blood expression profiles correlate with biopsy-proven rejection, and that these changes could be used as biomarkers for the diagnosis and prediction of acute rejection.
A peripheral blood diagnostic test for acute rejection in renal transplantation.
Disease, Disease stage
View SamplesWe isolated the meristematic and elongation zones of Col-0, upb1-1 mutant and 35S::UPB1-3YFP/upb1-1 plants by micro-dissection and extracted RNA from each section independently.
Transcriptional regulation of ROS controls transition from proliferation to differentiation in the root.
Age, Specimen part
View SamplesThis SuperSeries is composed of the SubSeries listed below.
The bHLH transcription factor POPEYE regulates response to iron deficiency in Arabidopsis roots.
Age, Specimen part
View SamplesTranscriptional profile of whole roots of wild-type and pye-1 mutants exposed to 24 hours -Fe were generated
The bHLH transcription factor POPEYE regulates response to iron deficiency in Arabidopsis roots.
Age, Specimen part
View SamplesUnderstanding how the expression of transcription factor (TF) genes is modulated is essential for reconstructing gene regulatory networks. There is increasing evidence that sequences other than upstream noncoding can contribute to modulating gene expression, but how frequently they do so remains unclear. Here, we investigated the regulation of TFs expressed in a tissue-enriched manner in Arabidopsis roots. For 61 TFs, we created GFP reporter constructs driven by each TF's upstream noncoding sequence (including the 5'UTR) fused to the GFP reporter gene alone or together with the TF's coding sequence. We compared the visually detectable GFP patterns with endogenous mRNA expression patterns, as defined by a genome-wide microarray root expression map.
Transcriptional and posttranscriptional regulation of transcription factor expression in Arabidopsis roots.
Age, Specimen part
View SamplesPericycle specific transcriptional profiles were generated by FACS (Fluorescence Activated Cell Sorting) of roots that express a pericycle-specific GFP-reporter. FACS cell populations were isolated from roots grown under standard conditions or roots that had been transferred to -Fe media for 24 hours.
The bHLH transcription factor POPEYE regulates response to iron deficiency in Arabidopsis roots.
Age, Specimen part
View SamplesThis SuperSeries is composed of the SubSeries listed below.
Cell identity regulators link development and stress responses in the Arabidopsis root.
Age, Specimen part, Treatment
View SamplesThe Oscillation Zone (OZ) of unsynchronized roots was disected and divided into an upper (OZ2) and lower (OZ1) half .
Oscillating gene expression determines competence for periodic Arabidopsis root branching.
Age, Specimen part
View SamplesCell-type specific transcriptional profiles were generated by FACS (Fluorescence Activated Cell Sorting) sorting of roots that express cell-type specific GFP-reporters. Five different GFP-reporter lines were used. FACS cell populations were isolated from roots grown under standard pH (pH 5.7) or roots that had been transfered to low pH (pH 4.6) media for 24 hours.
Cell identity regulators link development and stress responses in the Arabidopsis root.
Specimen part
View Samples