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December 8, 2025BloodOpen Access

Spatially resolved transcriptomics reveals immunosuppressive niches and clonal diversity in extramedullary disease in multiple myeloma refractory to immunotherapy

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Authors

JVJunia VieiraTMTarek H. MouhieddineHMHajer Merarda

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Overview

High-resolution analysis reveals immune dysfunction and clonal diversity in extramedullary disease, suggesting pathways for targeted immunotherapy.

Key Points

  • Immune dysfunction significantly hampers effective treatment in extramedullary disease from multiple myeloma.
  • Up to 5% of total cellular composition consists of CD3+ T cells, indicating severe T cell depletion.
  • Assessment using high-resolution spatial transcriptomics on plasmacytoma lesions from relapsed/refractory myeloma populations.
  • Findings highlight the complexity of immune interactions, indicating challenges for future immunotherapy strategies.

Cite This Study

Vieira et al. (2025) studied this question.

synapsesocial.com/papers/69362f3a4fa91c937236d3c5https://doi.org/10.1182/blood-2025-3949
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