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Species: human
Number of cells: 8502
Study size: 387MB

B cell 
Germinal centers 
Diffuse large B cell lymphomas 

Single-cell analysis of germinal-center B cells informs on lymphoma cell of origin and outcome (Dark zone germinal center B cells)

Antony B Holmes, Clarissa Corinaldesi, Qiong Shen, Rahul Kumar, Nicolo Compagno, Zhong Wang, Mor Nitzan, Eli Grunstein, Laura Pasqualucci, Riccardo Dalla-Favera, Katia Basso

In response to T cell-dependent antigens, mature B cells are stimulated to form germinal centers (GCs), the sites of B cell affinity maturation and the cell of origin (COO) of most B cell lymphomas. To explore the dynamics of GC B cell development beyond the known dark zone and light zone compartments, we performed single-cell (sc) transcriptomic analysis on human GC B cells and identified multiple functionally linked subpopulations, including the distinct precursors of memory B cells and plasma cells. The gene expression signatures associated with these GC subpopulations were effective in providing a sc-COO for ∼80% of diffuse large B cell lymphomas (DLBCLs) and identified novel prognostic subgroups of DLBCL.

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