Zusammenfassung
Hintergrund
Die letzten Jahre ergaben neue Einblicke in die Pathomechanismen der Tumorzellen des Hodgkin-Lymphoms, aber auch in die Bedeutung des Begleitinfiltrats.
Fragestellung
Das Ziel der Übersichtsarbeit ist die Darstellung neuer Erkenntnisse über die Pathobiologie von Hodgkin-Lymphomen in den letzten Jahren.
Material und Methoden
Es erfolgte eine selektive Literaturrecherche unter Berücksichtigung eigener Erfahrungen als Forschende auf dem Gebiet der Hodgkin-Lymphome.
Ergebnisse
Molekulare Eigenschaften der neoplastischen Zellen zeigen eine gestörte Interaktion mit dem Immunsystem. Das ausgeprägte Begleitinfiltrat benigner Zellen eröffnet Möglichkeiten in der Immuncheckpointtherapie. Die Wirkmechanismen dieser Therapie beim Hodgkin-Lymphom scheinen sich jedoch von den Mechanismen in anderen Tumorentitäten zu unterscheiden.
Schlussfolgerungen
Das Begleitinfiltrat benigner Immunzellen stellen eine therapeutische Zielstruktur dar, obwohl die Wirkmechanismen eine Immuncheckpointtherapie im Hodgkin-Lymphom unzureichend verstanden sind. Die pathologische Diagnostik und wird durch neueste Erkenntnisse noch nicht beeinflusst; prognostische oder prädiktive Biomarker aus dem Begleitinfiltrat stehen derzeit noch nicht zur Verfügung.
Abstract
Background
In recent years, there have been new insights into the pathomechanisms of the tumor cells in Hodgkin lymphoma, but also into the importance of the accompanying infiltrate.
Objectives
The aim of the review article is the presentation of recent developments in the pathobiology of Hodgkin lymphomas.
Materials and methods
We conducted a selective literature review, taking into account our own experience as researchers in the field of Hodgkin lymphomas.
Results
Molecular features of neoplastic cells indicate a disturbed interaction with the immune system. The abundant microenvironment provides opportunities in immune checkpoint therapy. However, the mechanisms of action of this therapy in Hodgkin lymphoma seem to differ from mechanisms in other tumor entities.
Conclusions
The concomitant infiltrate of benign immune cells represents a therapeutic target structure, although the mechanisms of action of immune checkpoint therapy in Hodgkin’s lymphoma are poorly understood. The pathological diagnosis is not yet influenced by recent findings. Unfortunately, prognostic or predictive biomarkers based on microenvironment analysis are not yet available.
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E. Gerhard-Hartmann, S. Reinke, A. Rosenwald und W. Klapper geben an, dass kein Interessenkonflikt besteht.
Für diesen Beitrag wurden von den Autoren keine Studien an Menschen oder Tieren durchgeführt. Für die aufgeführten Studien gelten die jeweils dort angegebenen ethischen Richtlinien.
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Gerhard-Hartmann, E., Reinke, S., Rosenwald, A. et al. Neues aus Pathologie und Pathophysiologie des Hodgkin-Lymphoms. Onkologie 28, 862–871 (2022). https://doi.org/10.1007/s00761-022-01155-2
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DOI: https://doi.org/10.1007/s00761-022-01155-2
Schlüsselwörter
- Immuncheckpointinhibitoren
- Tumormikroumgebung
- FOXP3-Protein, humanes
- „Whole exome sequencing“
- HLA-B-Antigene