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Ribosome profiling or ribo-sequencing is a deep sequencing technique that produces a snapshot of active translation in a cell. It selectively sequences the mRNAs protected by ribosomes to get an insight into a cell’s translation landscape at any given point in time.
Applications of ribosome profiling
Ribosome profiling has many applications, including in vivo monitoring of translation inside a particular organ or tissue type and quantifying new protein synthesis levels.
The technique...
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Gene Expression Profiling Provides an Improved Characterization of CD79B-Mutated Diffuse Large B-Cell Lymphomas.

Luis Grossmann1,2,3, Wolfgang Jagla2, Marcus Bettstetter4

  • 1Institute of Pathology, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Krankenhausstrasse 8-10, 91054 Erlangen, Germany.

Journal of Personalized Medicine
|November 26, 2025
PubMed
Summary
This summary is machine-generated.

This study reveals novel gene expression changes in CD79B-mutated Diffuse Large B-cell Lymphomas (DLBCLs), identifying potential new therapeutic targets beyond NF-κB signaling. These findings enhance the characterization of this aggressive DLBCL subtype.

Keywords:
CD79BDLBCLMYD88NF-κB pathwayTP53gene expressionlymphomamolecular pathologymutationsprognosis

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Area of Science:

  • Hematology
  • Oncology
  • Molecular Biology

Background:

  • Diffuse Large B-cell Lymphomas (DLBCLs) are heterogeneous cancers.
  • CD79B and MYD88 mutations characterize a unique DLBCL subtype associated with poor prognosis.
  • Gene expression profiles in mutated DLBCLs remain incompletely understood.

Purpose of the Study:

  • To compare gene expression patterns in DLBCLs based on CD79B mutational status.
  • To identify novel molecular targets for therapeutic intervention in DLBCL.

Main Methods:

  • RNA expression profiling of 770 genes in 48 treatment-naïve DLBCLs.
  • Immunohistochemical analysis of upregulated genes.
  • Survival analysis stratified by mutation status and gene expression.

Main Results:

  • CD79B-mutated DLBCLs showed upregulation of CARD11, NF-κB targets (NFKBIZ, IL10, IL12A, PIM1, BCL2A1), ARNT2, WNT11, apoptosis-related genes (BID, granzyme B), and cell cycle regulators (RUNX1, RUNX1T1, RASGRF1).
  • TP53 mutations correlated with poorer survival.
  • No significant survival differences were observed based on CD79B/MYD88 mutation status or specific gene expression profiles in this cohort.

Conclusions:

  • Novel genes, beyond NF-κB signaling, are upregulated in CD79B-mutated DLBCLs.
  • These findings offer potential new therapeutic targets for this aggressive DLBCL subgroup.
  • Further characterization of CD79B-mutated DLBCLs is crucial for improved treatment strategies.