Distribution patterns of dendritic cells and T cells in diffuse large B-cell lymphomas correlate with prognoses

Kung Chao Chang, Guan Cheng Huang, Dan Jones, Ya Hui Lin

Research output: Contribution to journalArticle

44 Citations (Scopus)

Abstract

Purpose: Diffuse large B-cell lymphoma (DLBCL), the most common subtype of non-Hodgkin's lymphomas, accounts for 30% to 40% of all lymphoma cases. However, long-term survival by current chemotherapy was achieved in only 40% of patients, warranting the development of novel therapeutic strategies including T-cell immunotherapy. However, the level of baseline immune activation in DLBCL is unclear. Experimental Design: The density and distribution of dendritic cells and T cells in 48 cases of primary DLBCL was evaluated by immunohistochemistry. Results: Increased numbers of intratumoral CD1a+ dendritic cells and increased S100+ cells and CD45RO+ T cells around the edges of the tumors were seen in 10 of 48 (21%), 9 of 48 (19%), and 10 of 48 (21%) cases and these were correlated with a favorable prognosis (P = 0.015; P = 0.070, and P = 0.017, respectively), along with increased granzyme B + T cells in tumor beds (P = 0.013). Increased peritumoral T cells were correlated with tumor expression of HLA-DR (r = 0.446; P = 0.002). Extranodal lymphomas showed fewer tumor-associated CD45RO+ T cells (r =-0.407; P = 0.001) and less conspicuous dendritic cell infiltrates. Conclusions: In DLBCL, the presence of baseline antitumor immune response is associated with favorable clinical outcome, and thus adjuvant T-cell immunotherapy may further boost treatment responses.

Original languageEnglish
Pages (from-to)6666-6672
Number of pages7
JournalClinical Cancer Research
Volume13
Issue number22
DOIs
Publication statusPublished - 2007 Nov 15

All Science Journal Classification (ASJC) codes

  • Oncology
  • Cancer Research

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