Mouse Gene Set: HOUSTIS_ROS

For the Human gene set with the same name, see HOUSTIS_ROS

Standard name HOUSTIS_ROS
Systematic name MM1142
Brief description Genes known to modulate ROS or whose expression changes in response to ROS
Full description or abstract Insulin resistance is a cardinal feature of type 2 diabetes and is characteristic of a wide range of other clinical and experimental settings. Little is known about why insulin resistance occurs in so many contexts. Do the various insults that trigger insulin resistance act through a common mechanism? Or, as has been suggested, do they use distinct cellular pathways? Here we report a genomic analysis of two cellular models of insulin resistance, one induced by treatment with the cytokine tumour-necrosis factor-alpha and the other with the glucocorticoid dexamethasone. Gene expression analysis suggests that reactive oxygen species (ROS) levels are increased in both models, and we confirmed this through measures of cellular redox state. ROS have previously been proposed to be involved in insulin resistance, although evidence for a causal role has been scant. We tested this hypothesis in cell culture using six treatments designed to alter ROS levels, including two small molecules and four transgenes; all ameliorated insulin resistance to varying degrees. One of these treatments was tested in obese, insulin-resistant mice and was shown to improve insulin sensitivity and glucose homeostasis. Together, our findings suggest that increased ROS levels are an important trigger for insulin resistance in numerous settings.
Collection M2: Curated
      CGP: Chemical and Genetic Perturbations
Source publication Pubmed 16612386   Authors: Houstis N,Rosen ED,Lander ES
Exact source unknown
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Source species Mus musculus
Contributed by Nick Houstis (Broad Institute)
Source platform or
identifier namespace		 AFFY_Mouse430
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Version history 2022.1.Mm: First Introduced.

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