Synapse
⌘+K
Synapse
PulseExploreClubsResearchersJournals
Instagram
HomeClubsExplore
December 8, 2025BloodOpen Access

Pre-existing cytotoxic capacity of CD8+ and CD4+ T cells is a hallmark of richter transformation and favors response to anti-PD-1 therapy

View Full Paper
Ask AI
Bookmark
Share

Authors

JGJohan E. GustafssonCTChiara TomasoniGHGabriela Brunsting Hoffmann

Discussion

Loading...

Member takes

Overview

Randomised trial reveals immune checkpoint blockade influences cytotoxic T cells and tumor viability in Richter transformation.

Key Points

  • This research aims to identify the T-cell characteristics influencing response to immune checkpoint blockade in Richter transformation.
  • Analyzed single-cell RNA sequencing from CLL and Richter Transformation mouse models.
  • Assessed T-cell activation and cytotoxic potential using flow cytometry after stimulation.
  • Conducted co-culture assays to measure tumor cell viability in the presence of T cells.
  • Evaluated response to anti-PD-1 monotherapy in genetically distinct RT mouse models.
  • Analyzed pre-treatment lymph node biopsies from patients enrolled in a clinical trial.],
  • results
  • CD8+ and CD4+ T cells exhibited higher cytotoxic capacity in Richter Transformation compared to CLL.
  • RT tumor cells showed reduced viability with autologous T cell co-culture, indicating effective T-cell response.
  • Response to anti-PD-1 therapy correlated with increased T-cell function and preserved spleen structure.
  • Comparative analysis of T-cell characteristics suggested potential biomarkers for therapy responsiveness.

Cite This Study

Gustafsson et al. (2025) studied this question.

synapsesocial.com/papers/69362f5d4fa91c937236dc7ehttps://doi.org/10.1182/blood-2025-243
View Full Paper
Ask AI
Bookmark
Share