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| Content Provider | Springer Nature : BioMed Central |
|---|---|
| Author | Evangelista, Adriane F Collares, Cristhianna VA Xavier, Danilo J Macedo, Claudia Manoel-Caetano, Fernanda S Rassi, Diane M Foss-Freitas, Maria C Foss, Milton C Sakamoto-Hojo, Elza T Nguyen, Catherine Puthier, Denis Passos, Geraldo A Donadi, Eduardo A |
| Abstract | Background Type 1 diabetes (T1D) is an autoimmune disease, while type 2 (T2D) and gestational diabetes (GDM) are considered metabolic disturbances. In a previous study evaluating the transcript profiling of peripheral mononuclear blood cells obtained from T1D, T2D and GDM patients we showed that the gene profile of T1D patients was closer to GDM than to T2D. To understand the influence of demographical, clinical, laboratory, pathogenetic and treatment features on the diabetes transcript profiling, we performed an analysis integrating these features with the gene expression profiles of the annotated genes included in databases containing information regarding GWAS and immune cell expression signatures. Methods Samples from 56 (19 T1D, 20 T2D, and 17 GDM) patients were hybridized to whole genome one-color Agilent 4x44k microarrays. Non-informative genes were filtered by partitioning, and differentially expressed genes were obtained by rank product analysis. Functional analyses were carried out using the DAVID database, and module maps were constructed using the Genomica tool. Results The functional analyses were able to discriminate between T1D and GDM patients based on genes involved in inflammation. Module maps of differentially expressed genes revealed that modulated genes: i) exhibited transcription profiles typical of macrophage and dendritic cells; ii) had been previously associated with diabetic complications by association and by meta-analysis studies, and iii) were influenced by disease duration, obesity, number of gestations, glucose serum levels and the use of medications, such as metformin. Conclusion This is the first module map study to show the influence of epidemiological, clinical, laboratory, immunopathogenic and treatment features on the transcription profiles of T1D, T2D and GDM patients. |
| Related Links | https://bmcmedgenomics.biomedcentral.com/counter/pdf/10.1186/1755-8794-7-28.pdf |
| Ending Page | 13 |
| Page Count | 13 |
| Starting Page | 1 |
| File Format | HTM / HTML |
| ISSN | 17558794 |
| DOI | 10.1186/1755-8794-7-28 |
| Journal | BMC Medical Genomics |
| Issue Number | 1 |
| Volume Number | 7 |
| Language | English |
| Publisher | BioMed Central |
| Publisher Date | 2014-05-23 |
| Access Restriction | Open |
| Subject Keyword | Human Genetics Microarrays Gene Expression Type 1 diabetes Type 2 diabetes Gestational diabetes Module map Immune cell signatures Transcriptome analysis |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics (clinical) Genetics |
| Journal Impact Factor | 2.1/2023 |
| 5-Year Journal Impact Factor | 2.5/2023 |
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