July 7, 2026 · Blood · DOI: 10.1182/blood.2025032630

Single Cell Analysis of the Tumor Microenvironment Landscape Across the Disease Spectrum of Multiple Myeloma

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The authors aimed to investigate the evolution of the tumor microenvironment (TME) in multiple myeloma across different disease stages to better understand immune dysregulation and therapeutic resistance. By analyzing single-cell RNA and receptor sequencing data from 235 patients, they identified five distinct TME subtypes, or "ecotypes," that correlate with immune cell composition and clinical outcomes. Their findings highlight the importance of TME organization in disease progression and response to treatment, potentially guiding the development of targeted immunotherapies.

Minghao Dang, Luz Yurany Moreno Rueda, Maria Jose Acevedo Calado, Hima Bansal, David Alejandro Berrios Nolasco, Amishi U Vora, Jonathan D Mejia, Mei Huang, Wei Tan, Li Qin, Yunhe Liu, Yang Liu, David E Mery, Yan Cheng, Fenghuang Zhan, John D Shaughnessy, Qing Yi, Pei Lin, Mahmoud R Gaballa, Oren Pasvolsky, Hans C Lee, Sheeba K Thomas, Donna M Weber, Krina K Patel, Melody R Becnel, Jing Christine Ye, Isere Kuiatse, Elisabet E Manasanch, Linghua Wang, Robert Z Orlowski

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