Figure 1From: Analysis of microRNA from archived formalin-fixed paraffin-embedded specimens of amyotrophic lateral sclerosis Effect of formalin fixation on RNA expression. Representative RNA agarose gel image showing a band of 2000Â nt corresponding to 18S ribosomal RNA in lane 1. A faint band of 2000Â nt is also seen in lanes 2 and 3. Lane 1, sample 2; lane 2, sample 1; lane 3, sample 8.Back to article page