Helper T cell-dominant tertiary lymphoid structures are associated with disease relapse of advanced colorectal cancer

Kyoko Yamaguchi, Mamoru Ito, Hirofumi Ohmura, Fumiyasu Hanamura, Michitaka Nakano, Kenji Tsuchihashi, Shuntaro Nagai, hiroshi ariyama, Hitoshi Kusaba, Hidetaka Yamamoto, Yoshinao Oda, Masafumi Nakamura, Koichi Akashi, Eishi Baba

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36 Citations (Scopus)


Tertiary lymphoid structures (TLSs), clusters of immune cells found around tumor tissue, have been shown to be associated with anti-tumor immunity, but the cellular composition within each TLS and whether the cellular composition of a TLS affects a patient’s prognosis are poorly understood. In the present study, each TLS was categorized according to its cellular composition determined by a system of multiplex immunohistochemical staining and quantitative analysis, and the correlation between the category and prognosis was examined. Sixty-seven patients with curatively resected stage II/III colorectal cancer (CRC) were enrolled. A TLS, consisting of germinal center B cells, follicular dendritic cells, T helper (Th) cells, B cells, cytotoxic T cells, and macrophages, was confirmed in the tumor tissue of 58 patients (87%). The densities of Th cells and macrophages were significantly higher in relapsed patients than in not-relapsed patients (p = .043 and p = .0076). A higher ratio of Th cells was the most significant independent risk factor for disease relapse on multivariate analysis. The subset increasing in Th cells was GATA3+ Th2. A total of 353 TLSs was divided into five clusters according to immune cell composition. Among them, the Th-rich type TLS was significantly increased (p = .0009) in relapsed patients. These data suggest the possibility that Th cell-dominant composition might disturb the anti-tumor immune response, and the function of each TLS might differ depending on its composition.

Original languageEnglish
Article number1724763
Issue number1
Publication statusPublished - Jan 1 2020

All Science Journal Classification (ASJC) codes

  • Immunology and Allergy
  • Immunology
  • Oncology


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