An Immunohistochemical Method for Identifying Fibroblasts in Formalin-fixed, Paraffin-embedded Tissue
Open Access
- 10 December 2007
- journal article
- research article
- Published by SAGE Publications in Journal of Histochemistry & Cytochemistry
- Vol. 56 (4), 347-358
- https://doi.org/10.1369/jhc.7a7287.2007
Abstract
Fibroblasts are critical for tissue homeostasis, and their inappropriate proliferation and activation can result in common and debilitating conditions including fibrosis and cancer. We currently have a poor understanding of the mechanisms that control the growth and activation of fibroblasts in vivo, in part because of a lack of suitable fibroblast markers. We have taken advantage of an antibody previously shown to stain stromal cells in frozen tissues (TE-7) and identified conditions in which it can be used to stain fibroblasts and myofibroblasts in the paraffin-embedded tissue samples routinely collected for pathological analysis. We show that this antibody recognizes growing and quiescent fibroblasts and myofibroblasts by immunohistochemistry, immunofluorescence, and ELISA assays. We also present its staining patterns in normal tissue samples and in breast tumors.Keywords
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