Divergent roles of interleukin-12p40 and interleukin-18 in severe fibrosing chronic graft-versus-host-disease, immunity, and post-transplant outcomes.

Authors

Salim Oulghazi, Lina Alasfar, Mark Robinson, Leonard Petry, Muath Qadoura, Thorben Glindemann, Richard Huth, Halvard Bonig, Carsten Müller-Tidow, Peter Dreger, Caroline Pabst, Thomas Luft

Published in

Haematologica. Aug 27, 2026. Epub Aug 27, 2026.

Abstract

Chronic graft-versus-host disease (cGvHD) is a major cause of late morbidity after allogeneic hematopoietic stem-cell transplantation (alloHSCT), particularly in severe fibrosing forms. Although IFNγ-related cytokines have been implicated in cGvHD, their contributions to disease progression, survival, relapse, and response to immunosuppression remain unclear. In this retrospective study, 552 alloHSCT recipients with serum samples collected at cGvHD onset (or day 180 in controls) were analyzed for IFNγ-related cytokines. Among 14 cytokines, IL-12p40 and IL-18 emerged as divergent signatures. Both were elevated in patients who later developed severe fibrosing cGvHD, but their clinical associations differed markedly. IL-12p40 correlated with reduced relapse (cause-specific HR 0.88, 95% CI 0.84-0.93; p.

PMID:
42657949
Bibliographic data and abstract were imported from PubMed on 27 Aug 2026.

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