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Human skin carcinoma arising from kidney transplant–derived tumor cells
Laurence Verneuil, … , Hugues de Thé, Anne Janin
Laurence Verneuil, … , Hugues de Thé, Anne Janin
Published August 27, 2013
Citation Information: J Clin Invest. 2013;123(9):3797-3801. https://doi.org/10.1172/JCI66721.
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Brief Report

Human skin carcinoma arising from kidney transplant–derived tumor cells

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Abstract

Tumor cells with donor genotype have been identified in human skin cancer after allogeneic transplantation; however, the donor contribution to the malignant epithelium has not been established. Kidney transplant recipients have an increased risk of invasive skin squamous cell carcinoma (SCC), which is associated with accumulation of the tumor suppressor p53 and TP53 mutations. In 21 skin SCCs from kidney transplant recipients, we systematically assessed p53 expression and donor/recipient origin in laser-microdissected p53+ tumor cells. In one patient, molecular analyses demonstrated that skin tumor cells had the donor genotype and harbored a TP53 mutation in codon 175. In a kidney graft biopsy performed 7 years before the skin SCC diagnosis, we found p53+ cells in the renal tubules. We identified the same TP53 mutation in these p53+ epithelial cells from the kidney transplant. These findings provide evidence for a donor epithelial cell contribution to the malignant skin epithelium in the recipient in the setting of allogeneic kidney transplantation. This finding has theoretical implications for cancer initiation and progression and clinical implications in the context of prolonged immunosuppression and longer survival of kidney transplant patients.

Authors

Laurence Verneuil, Mariana Varna, Philippe Ratajczak, Christophe Leboeuf, Louis-François Plassa, Morad Elbouchtaoui, Pierre Schneider, Wissam Sandid, Celeste Lebbé, Marie-Noelle Peraldi, François Sigaux, Hugues de Thé, Anne Janin

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