Transcription profiling by array of muscle biopsies from patients with dermatomyositis or with polymyositis

Muscle biopsies were taken from 6 patients with dermatomyositis, 4 with polymyositis and 5 not myopathic subjects as controls. The genome-wide expression patterns were compared using Affymetrix HG-U133A chips. Experiment Overall Design: Gene expression profiles were generated for 15 individuals.

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