Project description:LC-MS/MS of fungi studied in the metabolomics and mass spectrometry research group (MMSRG) at the State University of Amazonas, Brazil.
Project description:LC-MS/MS of fungi studied in the metabolomics and mass spectrometry research group (MMSRG) at the State University of Amazonas, Brazil.
Project description:LC-MS/MS of fungi studied in the metabolomics and mass spectrometry research group (MMSRG) at the State University of Amazonas, Brazil.
Project description:LC-MS/MS of fungi studied in the metabolomics and mass spectrometry research group (MMSRG) at the State University of Amazonas, Brazil.
Project description:LC-MS/MS of fungi studied in the metabolomics and mass spectrometry research group (MMSRG) at the State University of Amazonas, Brazil.
Project description:LC-MS/MS of fungi studied in the metabolomics and mass spectrometry research group (MMSRG) at the State University of Amazonas, Brazil.
Project description:Female NOD mice were born in specific pathogen free (SPF) conditions at the CEMIB-UNICAMP animal facility (University of Campinas, S�o Paulo, Brazil) and maintained in SPF mini-isolators in our laboratory at the University of S�o Paulo, Campus of Ribeir�o Preto, Brazil. We studied both pre-diabetic (8�2 week-old) and diabetic (20�2 week-old) animals. Diabetes was confirmed by blood glucose levels (?250 mg glucose/dL) using the Accu Check � Active Kit (Roche Diagn�stica Brasil, S�o Paulo, Brazil). The thymic stroma was separated from the whole thymus. The mTEC 3.10 medullary thymic epithelial cell line was established from C57BL/6 mice, and the original medullary phenotype was confirmed by immunostaining with anti-cytokeratin monoclonal antibodies. In addition, the CD80+ phenotype was confirmed using fluorescent activated cell sorting (FACS) analysis. Cells were cultured in 10% fetal bovine serum-supplemented RPMI 1640 medium at 37oC and 5% CO2. Total RNA was extracted from 1x107 stromal cells (from pre-diabetic and diabetic animals) and 1x107 mTEC 3.10 cells using Trizol� Reagent and following the manufacturer�s instructions (Invitrogen, Carlsbad, CA, USA). RNA preparations were confirmed to be free of proteins and phenol using UV spectrophotometry and the state of degradation was assessed using agarose gel electrophoresis (ethidium bromide staining).
Project description:The current project is within the range of molecular immunogenetic auto immune diseases and refers to the comparative study of promiscuous gene expression of tissue-specific antigens (TSAs) in the thymus of NOD mice line (non obese diabetic) who plays the auto-immune diabetes mellitus type 1, during the transition from state pre-diabetics to diabetics. Use the technology of oligo arrays to investigate the expression of miRNAs and cDNA microarrays to investigate the expression of genes encoding the messenger RNAs including TSAs (tissue specific antigens). Use the technology of oligo arrays to investigate the expression of miRNAs and cDNA microarrays to investigate the expression of genes encoding the messenger RNAs including TSAs (tissue specific antigens). Female NOD mice were born in specific pathogen free (SPF) conditions at the CEMIB-UNICAMP animal facility (University of Campinas, SP, Brazil) and maintained in SPF mini-isolators in our laboratory at the University of S�o Paulo, Campus of Ribeir�o Preto, Brazil. We studied both pre-diabetic (8�2 week-old) and diabetic (20�2 week-old) animals. Diabetes was confirmed by blood glucose levels (?250 mg glucose/dL) using the Accu Check � Active Kit (Roche Diagn�stica Brasil, S�o Paulo, Brazil). The thymic stroma was separated from the whole thymus, as previously described (Gray et al. 2002). The central idea is to trace signatures of differential gene expression of the thymus at different stages (transition from state pre-diabetics to diabetics) and, using bioinformatics programs, applied to the analysis of data from arrays [Cluster & Tree View (for signatures of expression), SAM (for statistical analysis of the miRNAs and differentially expressed genes from TSAs), GenMiR++ and Cytoscape (to establish networks between miRNAs genes and genes of TSAs)].