Unknown,Transcriptomics,Genomics,Proteomics

Dataset Information

Expression data from MSC-treated monocytes

ABSTRACT: Chronic inflammation leading to pro-inflammatory macrophage infiltration contributes to the pathogenesis of type 2 diabetes and subsequently the development of diabetic nephropathy. Mesenchymal stem cells (MSCs) possess unique immunomodulatory and cytoprotective properties making them an ideal candidate for therapeutic intervention We used microarrays to detail changes in the gene expression profile of monocytes isolated from type 2 diabetic patients with end-stage renal disease and non-diabetic control subjects following co-culture with MSCs. Control blood samples were obtained from 4 donors from the Australian Red Cross Blood Service. Blood was also obtained from 5 diabetic patients with end-stage renal disease receiving haemodialysis at the Monash Medial Centre. CD14+ monocytes were isolated from blood using microbeads and co-cultured for 48 hours with and without human bone marrow-derived MSCs using an in vitro transwell system. An Affymetrix GeneChip Human Gene 2.0 ST array was used.

ORGANISM(S): Homo sapiens

SUBMITTER: Tyrone Chen

PROVIDER: E-GEOD-65561 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Human mesenchymal stem cells alter the gene profile of monocytes from patients with Type 2 diabetes and end-stage renal disease.

Wise Andrea F AF Williams Timothy M TM Rudd Stephen S Wells Christine A CA Kerr Peter G PG Ricardo Sharon D SD

Regenerative medicine 20151106 2

<h4>Aim</h4>Macrophage infiltration contributes to the pathogenesis of Type 2 diabetes. Mesenchymal stem cells (MSCs) possess immunomodulatory properties, making them an ideal candidate for therapeutic intervention. This study investigated whether MSCs can modulate the phenotype of monocytes isolated from Type 2 diabetic patients with end-stage renal disease.<h4>Materials & methods</h4>Monocytes from control (n = 4) and Type 2 diabetic patients with end-stage renal disease (n = 5) were assessed ...[more]

PMID: 26544198

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Project description:Background: Studies suggested that mesenchymal stem cells (MSCs) have intrinsic neurogenic potential and can be differentiated into neural stem cell/ neural progenitor cells (NPCs) under specific microenvironment. Manipulation of growth factors is one of the popular method to achieve trans-lineage differentiation of MSCs. Synergistic effect of epidermal growth factor (EGF) and fibroblast growth factor 2 (bFGF) have been widely identified as basic requirement for neural differentiation to take place. Insulin-like growth factor 1 (IGF-1) also known as somatomedin C is an important growth promoting protein during embryonic development which control numerous cellular responses and biological systems. Our recent study has found that the combination of EGF, bFGF and IGF-1 could significantly improved the growth and survivability of MSCs-derived NPCs. Therefore, to understand the genomic mechanism underlying the differentiation in vitro, we have studied the miRNAs profile of MSCs-derived NPCs under IGF-1 influenced conditioned microenvironments. Objectives: To evaluate the effects of IGF-1 in trans-lineage differentiation of MSCs, we have induced MSCs into neural lineage in 3 groups; Group A (positive control) - EGF+bFGF, Group B (Treatment) - EGF+bFGF+IGF-1, and Group C (negative control/ untreated). To unravel the role of regulatory miRNAs involved in the early differentiation, we have performed detailed miRNA profiling for MSCs-derived NPCs at three time intervals (day 1, day 3 and day 5). The data has explored crucial miRNAs involved in early differentiation of MSCs into NPCs. Stage specific MSCs-derived NPCs at Passage 1 were collected for total RNA extraction at three time-points (D1, D3 and D5) and hybridization on Affymetrix miRNA geneChip 2.0 arrays. Each experiment were repeated three times independently (Exp 1, Exp 2 and Exp 3). Group A served as positive control (EGF+bFGF), Group B as treatment (EGF+bFGF+IGF-1) and Group C without growth factor as negative control.

Dataset Information

Expression data from MSC-treated monocytes

Publications

Human mesenchymal stem cells alter the gene profile of monocytes from patients with Type 2 diabetes and end-stage renal disease.

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