Representative photomicrographs of IS-RT-PCR analysis of Con A effects in MDA-MB-231 cells counterstained with Eosin. Negative controls include, RNase/DNase treated sections (A) and No RT (B). β-actin staining provided a positive Control without (C) or with (D) Con A treatment. MT1-MMP levels before (E) and after (F) Con A treatment are also shown. Photographs were on an Nikon Eclipse TE300 Microscope with a Nikon F-600 camera attachment and are × 40 (except for A, which is × 20).