Preprint Review Version 1 This version is not peer-reviewed

3D-Q-FISH/TRF2 Nanotechnology Identifies a Progressively Disturbed Telomere/ Shelterin/Lamin AC Complex as the Common Pathogenic, Molecular/Spatial Denominator of Classical Hodgkin Lymphoma

Version 1 : Received: 5 August 2024 / Approved: 5 August 2024 / Online: 6 August 2024 (12:35:18 CEST)

How to cite: Knecht, H.; Petrogiannis-Haliotis, P.; Louis, S.; Mai, S. 3D-Q-FISH/TRF2 Nanotechnology Identifies a Progressively Disturbed Telomere/ Shelterin/Lamin AC Complex as the Common Pathogenic, Molecular/Spatial Denominator of Classical Hodgkin Lymphoma. Preprints 2024, 2024080366. https://doi.org/10.20944/preprints202408.0366.v1 Knecht, H.; Petrogiannis-Haliotis, P.; Louis, S.; Mai, S. 3D-Q-FISH/TRF2 Nanotechnology Identifies a Progressively Disturbed Telomere/ Shelterin/Lamin AC Complex as the Common Pathogenic, Molecular/Spatial Denominator of Classical Hodgkin Lymphoma. Preprints 2024, 2024080366. https://doi.org/10.20944/preprints202408.0366.v1

Abstract

The bi- or multi-nucleated Reed-Sternberg cell (RS) is the diagnostic cornerstone of EBV-positive and EBV-negative classical Hodgkin lymphoma (cHL). cHL is a germinal center (GC) derived B-cell disease. Hodgkin cells (H) are the mononuclear precursors of RS. An experimental model has to fulfill three conditions to qualify as common pathogenic denominator: i) to be of germinal center-derived B-cell origin, ii) to be EBV-negative to avoid EBV latency III expression, and iii) to support permanent LMP1 expression upon induction. These conditions are unified in the EBV-, Diffuse Large B-Cell Lymphoma (DLBCL) cell line BJAB-tTA-LMP1. 3D reconstuctive nanotechnology revealed spatial, quantititive and qualitative disturbance of telomere/shelterin interactions in mononuclear H-like cells, further progression during transition to RS-like cells, including progressive complexity of the karytotype with every mitotic cycle, due to BBF (breakage/bridge/fusion) events. The findings of this model were confirmed on diagnostic patient samples and correlate with clincal outcome. Moreover, in vitro signficant disturbance of the lamin AC/telomere interaction progressively occured. In summary, our research over the past three decades identifed cHL as the first lymphoid maligancy driven by a disturbed telomere/shelterin/lamin AC interaction, generating the diagnostic RS. Our findings may act as trailblazer for tailored therapies in refractory cHL.

Keywords

Hodgkin lymphoma; Reed-Sternberg cell; Nanotechnology; 3D Q-FISH; Telomere/shelterin; TRF2; Lamin A/C; LMP1 oncogene; Breakage-Bridge-Fusion (BBF) cycles; t-stumps

Subject

Medicine and Pharmacology, Hematology

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