Post-transplant Kaposi sarcoma originates from the seeding of donor-derived progenitors

Patrizia Barozzi, Mario Luppi*, Fabio Faccheti, Cristina Mecucci, Milena Alù, Ronit Sarid, Valeria Rasini, Luisa Ravazzini, Elisa Rossi, Silvana Festa, Barbara Crescenzi, Dana G. Wolf, Thomas F. Schulz, Giuseppe Torelli

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

199 Scopus citations

Abstract

Kaposi sarcoma (KS) is a vascular tumor that can develop in recipients of solid tissue transplants as a result of either primary infection or reactivation of a gammaherpesvirus, the KS-associated herpesvirus, also known as human herpesvirus-8 (HHV-8). We studied whether HHV-8 and the elusive KS progenitor cells could be transmitted from the donor through the grafts. We used a variety of molecular, cytogenetic, immunohistochemical and immunofluorescence methods to show that the HHV-8-infected neoplastic cells in post-transplant KS from five of eight renal transplant patients harbored either genetic or antigenic markers of their matched donors. These data suggest the use of donor-derived HHV-8-specific T cells for the control of post-transplant KS.

Original languageEnglish
Pages (from-to)554-561
Number of pages8
JournalNature Medicine
Volume9
Issue number5
DOIs
StatePublished - 1 May 2003
Externally publishedYes

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