Abstract
Immunohistochemistry contributed, among other specialized techniques, to characterize the two main compartments of the human thymus, cortex and medulla, and their constituent cells. Several antibodies have been raised to understand the immunophenotypes of epithelial and lymphoid cells and their evolutionary and functional interplay. This chapter illustrates and provides examples of the main immunohistochemical stains directed to relevant molecules expressed on the cell surface or cytoplasm or nucleus of thymic cells. Insights into their molecular constitution and relevance in thymic physiology are given. This overview is aimed to provide information of the normal thymic microenvironment and to assist in the evaluation of its diseased state.
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Acknowledgments
The authors thank the Library of the IRCCS Regina Elena National Cancer Institute for the bibliographic assistance and Prof. S. Ascani, Perugia University, Ospedale S. Maria, Terni, Italy, for providing photographs of the LMO2 staining.
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Ramieri, M.T., Gallo, E., Marino, M. (2020). Immunohistochemistry of Normal Thymus. In: Jain, D., Bishop, J.A., Wick, M.R. (eds) Atlas of Thymic Pathology. Springer, Singapore. https://doi.org/10.1007/978-981-15-3164-4_2
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