Anticancer research · 2017
Prognostic Impact of CD163+ Macrophages in Tumor Stroma and CD8+ T-Cells in Cancer Cell Nests in Invasive Extrahepatic Bile Duct Cancer.
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Miura Takuya, Yoshizawa Tadashi, Hirai Hideaki, Seino Hiroko, Morohashi Satoko, Wu Yunyan, Wakiya Taiichi, Kimura Norihisa, Kudo Daisuke, Ishido Keinosuke, Toyoki Yoshikazu, Kijima Hiroshi, Hakamada Kenichi
Аннотация
AIM: The aim of this study was to examine the clinicopathological influence of tumor-infiltrating cluster of differentiation (CD) 163+ macrophages and CD8+ T-cells, and to clarify the prognostic effects of these cells in patients with invasive extrahepatic bile duct cancer (EHBC).
MATERIALS AND METHODS: The numbers of CD8+ T-cells in cancer cell nests and CD163+ macrophages in tumor stroma were evaluated using immunohistochemistry in 101 resected EHBC specimens. Correlations with clinicopathological variables and overall survival were analyzed.
RESULTS: Perihilar EHBC and perineural invasion were significantly associated with a low number of tumor-infiltrating CD8+ T-cells. Poorly- differentiated histology and nodal metastasis were significantly associated with a high number of tumor-infiltrating CD163+ macrophages. A combination of high number of CD8+ T-cells and low number of CD163+ macrophages was independently related to better overall survival in the whole patient cohort (hazard ratio=0.127, p<0.001) and in patients treated with adjuvant chemotherapy (hazard ratio=0.139, p=0.021).
CONCLUSION: Infiltrating CD163+ macrophages in tumor stroma and CD8+ T-cells in cancer cell nests have a prognostic impact in patients with EHBC following resection and also after adjuvant chemotherapy.
MATERIALS AND METHODS: The numbers of CD8+ T-cells in cancer cell nests and CD163+ macrophages in tumor stroma were evaluated using immunohistochemistry in 101 resected EHBC specimens. Correlations with clinicopathological variables and overall survival were analyzed.
RESULTS: Perihilar EHBC and perineural invasion were significantly associated with a low number of tumor-infiltrating CD8+ T-cells. Poorly- differentiated histology and nodal metastasis were significantly associated with a high number of tumor-infiltrating CD163+ macrophages. A combination of high number of CD8+ T-cells and low number of CD163+ macrophages was independently related to better overall survival in the whole patient cohort (hazard ratio=0.127, p<0.001) and in patients treated with adjuvant chemotherapy (hazard ratio=0.139, p=0.021).
CONCLUSION: Infiltrating CD163+ macrophages in tumor stroma and CD8+ T-cells in cancer cell nests have a prognostic impact in patients with EHBC following resection and also after adjuvant chemotherapy.
Предметные рубрики MeSH
AdultAgedAged, 80 and overAntigens, CDAntigens, Differentiation, MyelomonocyticBile Duct NeoplasmsBile Ducts, ExtrahepaticCD8-Positive T-LymphocytesChemotherapy, AdjuvantFemaleHumansKaplan-Meier EstimateLymphocytes, Tumor-InfiltratingMacrophagesMaleMiddle AgedPrognosisReceptors, Cell SurfaceCD163 Antigen