Project description:Analysis of gene expression profiles is an attractive method for discovering how animals respond to environmental challenges in nature. Compared to low altitudes, high altitudes are characterized by reduced partial pressures of oxygen (hypoxia) and cooler ambient temperatures To better understand how mammals cope with high altitudes, we trapped wild house mice (Mus musculus domesticus) from 3 populations in La Paz, Bolivia (3000 - 3600 m) and 3 populations in Lima, Peru (0 – 200 m). Affymetrix GeneChip® Mouse Genome 430 2.0 Arrays were use to measure mRNA abundance in the livers of these mice. Eighteen male house mice were trapped from three different locations (3 mice per location)at high alttiude (La Paz, Bolivia, 3600 m) and from three locations at low altiditude (Lima, Peru, 100 m). Total mRNA was extracted from the livers and used for hybridization of Affymetrix GeneChip Mouse expression set 420.
Project description:Differential expression analysis of digestive gland and gill tissues of mussels (Mytilus galloprovincialis) exposed to dinoflagellates (Prorocentrum lima), producers of okadaic acid, at a concentration of 200 cells/ml for one day. Each sample consists in total RNA was extracted from pooled tissues of 5 individuals. Two-color dye-swap direct comparison experiment: exposed vs non-exposed (treated vs control). Biological replicates: two treated replicates and two control replicates per tissue.
Project description:Transcription of human and KSHV genes in PEL following the transduction of spliced and unspliced XBP-1 Keywords: Cell type comparison Overall design: Two colour sample Cy5, reference Cy3, reference is a mixture of mRNA from uninfected, HeLa cell and KSHV lytic cycle induced PEL.
Project description:[original title] Gene expression response to the implantation of drug (paclitaxel)-eluting or bare metal stents in denuded human LIMA arteries. Different clinical outcomes have been observed for paclitaxel-eluting and bare metal cardiovascular stents. The aim of this project was to identify genes that might be associated with the observed clinical outcomes. Overall design: Human left internal mammary artery (LIMA) was divided into three segments and and two of the segments were fitted with either a paclitaxel-eluting stent or a bare metal stent. The experiment includes three groups: control, paclitaxel-eluting stent, and bare metal stent, respectively. Each group includes four biological replicates (patients 1, 2, 4 and 5).