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Cai C, Peng Y, Shen E, Wan R, Gao L, Gao Y, Zhou Y, Huang Q, Chen Y, Liu P, Guo C, Feng Z, Zhang X, Liu Y, Shen H, Zeng S, Han Y. Identification of tumour immune infiltration-associated snoRNAs (TIIsno) for predicting prognosis and immune landscape in patients with colon cancer via a TIIsno score model. EBioMedicine 2022; 76:103866. [PMID: 35144219 PMCID: PMC8844792 DOI: 10.1016/j.ebiom.2022.103866] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 01/15/2022] [Accepted: 01/19/2022] [Indexed: 12/11/2022] Open
Abstract
Background Colon cancer (CC) is the leading cause of tumour-related death worldwide. SnoRNA plays a critical role in the tumour microenvironment. The tumour microenvironment can be shaped by tumour-infiltrating immune cells, which control the destiny of immunotherapy efficacy. This study uniquely focused on snoRNAs derived from immune cells to identify new biomarkers for immune landscape. Methods A novel computational framework was initiated for identifying tumour immune infiltration-associated snoRNAs (TIIsno) signatures and developed a TIIsno score model from integrative snoRNA profiling analysis of 21 purified immune cell lines, 43 colon cancer cell lines, and three datasets (training, test, real-world validation set). Findings Our study found that a high TIIsno score was associated with poor CC prognosis. TIIsno scores were seen to be negatively correlated with (I) the infiltration level of most immune cells, (II) the inhibitory immune checkpoints expression level, and (III) the immune score. These findings, taken together with the observation that TIIsno score is lower in MSI-H patients, suggests that patients with a low TIIsno score may have a better response to immunotherapy. Interpretation In conclusion, we successfully identified TIIsno and constructed a TIIsno score model, a new potential biomarker of immunotherapy response, which can effectively predict the prognosis of CC patients as well. Funding National Key R & D Program of China, National Natural Science Foundation of China, key projects from the Nature Science Foundation of Hunan Province, projects from Beijing CSCO Clinical Oncology Research Foundation, Fundamental Research Funds for the Central Universities of Central South University.
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Affiliation(s)
- Changjing Cai
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, Hunan, China, 410008; Key Laboratory for Molecular Radiation Oncology of Hunan Province, Xiangya Hospital, Central South University, Changsha, Hunan, China, 410008
| | - Yinghui Peng
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, Hunan, China, 410008; Key Laboratory for Molecular Radiation Oncology of Hunan Province, Xiangya Hospital, Central South University, Changsha, Hunan, China, 410008
| | - Edward Shen
- Department of Life Science, McMaster University, Hamilton, ON L8S 4L8, Canada
| | - Rongjun Wan
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, PR China, 410008
| | - Le Gao
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, Hunan, China, 410008; Key Laboratory for Molecular Radiation Oncology of Hunan Province, Xiangya Hospital, Central South University, Changsha, Hunan, China, 410008
| | - Yan Gao
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, Hunan, China, 410008; Key Laboratory for Molecular Radiation Oncology of Hunan Province, Xiangya Hospital, Central South University, Changsha, Hunan, China, 410008
| | - Yulai Zhou
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, Hunan, China, 410008; Key Laboratory for Molecular Radiation Oncology of Hunan Province, Xiangya Hospital, Central South University, Changsha, Hunan, China, 410008
| | - Qiaoqiao Huang
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, Hunan, China, 410008; Key Laboratory for Molecular Radiation Oncology of Hunan Province, Xiangya Hospital, Central South University, Changsha, Hunan, China, 410008
| | - Yihong Chen
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, Hunan, China, 410008; Key Laboratory for Molecular Radiation Oncology of Hunan Province, Xiangya Hospital, Central South University, Changsha, Hunan, China, 410008
| | - Ping Liu
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, Hunan, China, 410008; Key Laboratory for Molecular Radiation Oncology of Hunan Province, Xiangya Hospital, Central South University, Changsha, Hunan, China, 410008
| | - Cao Guo
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, Hunan, China, 410008; Key Laboratory for Molecular Radiation Oncology of Hunan Province, Xiangya Hospital, Central South University, Changsha, Hunan, China, 410008
| | - Ziyang Feng
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, Hunan, China, 410008; Key Laboratory for Molecular Radiation Oncology of Hunan Province, Xiangya Hospital, Central South University, Changsha, Hunan, China, 410008
| | - Xiangyang Zhang
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, Hunan, China, 410008; Key Laboratory for Molecular Radiation Oncology of Hunan Province, Xiangya Hospital, Central South University, Changsha, Hunan, China, 410008
| | - Yihan Liu
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, Hunan, China, 410008; Key Laboratory for Molecular Radiation Oncology of Hunan Province, Xiangya Hospital, Central South University, Changsha, Hunan, China, 410008
| | - Hong Shen
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, Hunan, China, 410008; Key Laboratory for Molecular Radiation Oncology of Hunan Province, Xiangya Hospital, Central South University, Changsha, Hunan, China, 410008; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, PR China, 410008.
| | - Shan Zeng
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, Hunan, China, 410008; Key Laboratory for Molecular Radiation Oncology of Hunan Province, Xiangya Hospital, Central South University, Changsha, Hunan, China, 410008; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, PR China, 410008.
| | - Ying Han
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, Hunan, China, 410008; Key Laboratory for Molecular Radiation Oncology of Hunan Province, Xiangya Hospital, Central South University, Changsha, Hunan, China, 410008; Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15213, USA.
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