Fig. 2From: Bilateral muscle fiber and nerve influences by TNF-alpha in response to unilateral muscle overuse – studies on TNF receptor expressionsRegion from myositis area with fibroblasts processed for in situ hybridization (ISH) for detection of TNFR1 mRNA (a). b is from a parallel section processed with the corresponding sense probe and working as a control. This sample is collected from experimental animal (3 week group, contralateral side). Arrows at reactive (a) and non-reactive (b) fibroblasts. Orig. magnif. ×500Back to article page