期刊
CLINICAL IMMUNOLOGY
卷 141, 期 3, 页码 338-347出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.clim.2011.08.013
关键词
Ovarian cancer; Tumor immunity; Tumor immune escape
类别
资金
- Ministry of Education, Culture, Sports, Science, and Technology of Japan
- Grants-in-Aid for Scientific Research [22791527, 22659300, 21390452, 22659301, 23791835] Funding Source: KAKEN
The aim of this study was to evaluate the local immune status of human ovarian cancers by the comprehensive analysis of tumor-infiltrating immune cells and immunosuppressive factors, and to elucidate the local immunity in clinical course. The numbers of CD1 alpha+, CD4+, CD8+, CD57+, forkhead box P3+ and programmed cell death-1+ cells were counted, and the intensity of immunosuppressive factors, such as programmed cell death-1 ligand (PD-L)1, PD-L2, cyclooxygenase (COX)-1, COX-2 and transforming growth factor beta 1, were evaluated in 70 ovarian cancer specimens stained by immunohistochemistry. Then hierarchical clustering of these parameters showed the four clusters into ovarian cancer cases. Cluster 1, which had significantly better prognosis than the others, was characterized by high infiltration of CD4+ and CD8+ cells. In conclusion the comprehensive analysis of local immune status led to subdivide ovarian cancers into groups with better or worse prognoses and may guide precise understanding of the local immunity. (C) 2011 Elsevier Inc. All rights reserved.
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