Project description:This SuperSeries is composed of the following subset Series: GSE17393: Transcription signature of Multiple Sclerosis in peripheral blood mononuclear cells. GSE17409: Pregnancy changes expression in peripheral blood mononuclear cells of healthy donors GSE17410: Pregnancy changes expression in peripheral blood mononuclear cells of Multiple Sclerosis (MS) patients Refer to individual Series
Project description:Background: pregnancy is associated with reduced activity of multiple sclerosis (MS). However, the biological mechanisms underlying this pregnancy-related decrease in disease activity are poorly understood. This data series contains the subset of data used to generate a healthy donors signature comparing female healthy specimens before pregnancy with respect to female healthy specimens at ninth month pregnancy. Subjects were followed in the outpatients clinic and blood was collected before pregnancy and at the following time points during pregnancy: first trimester (gestational age at sampling 12 weeks), second trimester (24 weeks), and third trimester (36 weeks). Before-pregnancy samples were obtained in a treatment-free period and after anticonceptional drug withdrawal. Peripheral blood mononuclear cells (PBMCs) obtained from 11 women (7 healthy donors before pregnancy and 4 healthy donors at 9th month pregnancy) were analyzed by oligonucleotide microarray technology.
Project description:As part of our study in understanding the role of SP140 in inflammatory pathways in macrophages, we inhibited SP140 mRNA using siRNA. Peripheral blood mononuclear cells (PBMCs) were obtained from whole blood of healthy donors (from Sanquin Institute Amsterdam or from GSK Stevenage Blood Donation Unit) by Ficoll density gradient (Invitrogen). CD14+ monocytes were positively selected from PBMCs using CD14 Microbeads according to the manufacturer’s instructions (Miltenyi Biotec). CD14+ cells were differentiated with 20 ng/mL of macrophage colony-stimulating factor (M-CSF) (R&D systems) for 3 days followed by 3 days of polarization into classically activated (inflammatory) M1 macrophages (100 ng/mL IFN-γ; R&D systems). M1 macrophages were transfected with siGENOME human smartpool SP140 siRNA or non-targeting scrambled siRNA for 48h with DharmaFECT™ transfection reagents according to manufacturer’s protocol (Dharmacon). The cells were left unstimulated or stimulated with 100 ng/mL LPS (E. coli 0111:B4; Sigma) for 4h (for qPCR) or 24h (for Elisa). The cells were lysed (ISOLATE II RNA Lysis Buffer RLY-Bioline) for RNA extraction.150 ng total RNA was labelled using the cRNA labelling kit for Illumina BeadArrays (Ambion) and hybridized with Ref8v3 BeadArrays (Illumina). Arrays were scanned on a BeadArray 500GX scanner and data were normalized using quantile normalization with background subtraction (GenomeStudio software; Illumina). This submission only contains processed data
Project description:Transcriptional profiling of peripheral blood mononuclear cells from healthy donors and leukemic CTCL patients upon recombinant SEB treament.
Project description:This study aimed to analyze and compare the test transcripts of peripheral blood mononuclear cells (PBMCs) isolated from 4 healthy donors and 4 septic patients' whole blood.