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Description

COD1: A Transcriptomic Reporter Assay Employing Neutrophils to Measure Immunogenic Activity of Septic Patients Plasma GSE49755 - Neutrophil

Purpose

to assess the immunogenicity of plasma from septic patients and evaluate its potential for biomarker discovery

Experimental Design
Polymorphonuclear neutrophils (PMNs) were isolated from two healthy donors. Plasma samples were obtained from patients with culture-confirmed sepsis (n=12) and from uninfected controls (n=12). PMNs were cultured for 6 hours in medium alone, plasma from patients with sepsis, plasma from uninfected controls, and LPS using a final concentration of 20%. Transcriptional profiles were acquired using Illumina HumanHT12 V4 BeadChips.
Controls

uninfected controls (N=12)

Methods

The data were preprocessed using R, which included the following steps: quantile normalization, flooring all intensities <10 to 10, log2 transformation, and PALO (present at least once) filter. PALO, which selects only transcripts with detection p-values < 0.01 in at least one sample, was performed to reduce background noise.

Additional Information

Part of the SuperSeries, GSE49758, "A Transcriptomic Reporter Assay Employing Neutrophils to Measure Immunogenic Activity of Septic Patients' Plasma".

Platform Illumina HumanHT-12 v4
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