1
|
Zhou C, Li M, Ren Y, Miao F, Wang Y, Wu T, Gou X, Li W. Immune characteristics of dedifferentiated retroperitoneal liposarcomas and the reliability of regional samples in evaluating their tumor immune microenvironments. World J Surg Oncol 2024; 22:25. [PMID: 38254190 PMCID: PMC10804478 DOI: 10.1186/s12957-023-03295-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Accepted: 12/26/2023] [Indexed: 01/24/2024] Open
Abstract
BACKGROUND Tumor immunotherapy is a new treatment breakthrough for retroperitoneal liposarcoma (RPLS), which is highly invasive and has few effective treatment options other than tumor resection. However, the heterogeneity of the tumor immune microenvironment (TIME) leads to missed clinical diagnosis and inappropriate treatment. Therefore, it is crucial to evaluate whether the TIME of a certain part of the tumor reliably represents the whole tumor, particularly for very large tumors, such as RPLS. METHODS We conducted a prospective study to evaluate the TIME in different regions of dedifferentiated RPLS (DDRPLS) by detecting the expressions of markers such as CD4+, CD8+, Foxp3+, CD20+, CD68+, LAMP3+, PD-1+ tumor-infiltrating lymphocytes (TILs), and PD-L1 in tumors and corresponding paratumor tissues via immunohistochemistry and RNA sequencing. RESULTS In DDRPLS, very few TILs were observed. Differentially expressed genes were significantly enriched in cell part and cell functions, as well as the metabolic pathway and PI3K-Akt signaling pathway. In addition, for most tumors (70-80%), the TIME was similar in different tumor regions. CONCLUSIONS For most tumors (70-80%), the TIME in any region of the tumor reliably represents the whole tumor. DDRPLS may regulate cell functions by modulating the metabolic and PI3K-Akt signaling pathways to promote its malignant behavior.
Collapse
Affiliation(s)
- Changsheng Zhou
- School of Medicine, Xiamen University, Xiamen, Fujian, 361102, People's Republic of China
- Department of Hepatobiliary Surgery, Guizhou Provincial People's Hospital, Guiyang, Guizhou, 550002, People's Republic of China
- Department of Hepatobiliary Surgery, Xiang'an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, Fujian, 361102, People's Republic of China
- Cancer Research Center of Xiamen University, School of Medicine, Xiamen University, Xiamen, Fujian, 361102, People's Republic of China
- Retroperitoneal Tumor Research Center of Oncology Chapter of Chinese Medical Association, School of Medicine, Xiamen University, Xiamen, Fujian, 361102, People's Republic of China
| | - Ming Li
- School of Medicine, Xiamen University, Xiamen, Fujian, 361102, People's Republic of China.
- Department of Hepatobiliary Surgery, Xiang'an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, Fujian, 361102, People's Republic of China.
- Cancer Research Center of Xiamen University, School of Medicine, Xiamen University, Xiamen, Fujian, 361102, People's Republic of China.
- Retroperitoneal Tumor Research Center of Oncology Chapter of Chinese Medical Association, School of Medicine, Xiamen University, Xiamen, Fujian, 361102, People's Republic of China.
- Xiamen Medicine Research Institute, Xiamen, Fujian, 361005, People's Republic of China.
| | - Yantao Ren
- School of Medicine, Xiamen University, Xiamen, Fujian, 361102, People's Republic of China
- Department of Hepatobiliary Surgery, Xiang'an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, Fujian, 361102, People's Republic of China
- Cancer Research Center of Xiamen University, School of Medicine, Xiamen University, Xiamen, Fujian, 361102, People's Republic of China
- Retroperitoneal Tumor Research Center of Oncology Chapter of Chinese Medical Association, School of Medicine, Xiamen University, Xiamen, Fujian, 361102, People's Republic of China
| | - Fenglin Miao
- School of Medicine, Xiamen University, Xiamen, Fujian, 361102, People's Republic of China
- Department of Hepatobiliary Surgery, Xiang'an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, Fujian, 361102, People's Republic of China
- Cancer Research Center of Xiamen University, School of Medicine, Xiamen University, Xiamen, Fujian, 361102, People's Republic of China
- Retroperitoneal Tumor Research Center of Oncology Chapter of Chinese Medical Association, School of Medicine, Xiamen University, Xiamen, Fujian, 361102, People's Republic of China
| | - Yue Wang
- School of Medicine, Xiamen University, Xiamen, Fujian, 361102, People's Republic of China
- Department of Hepatobiliary Surgery, Xiang'an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, Fujian, 361102, People's Republic of China
- Cancer Research Center of Xiamen University, School of Medicine, Xiamen University, Xiamen, Fujian, 361102, People's Republic of China
- Retroperitoneal Tumor Research Center of Oncology Chapter of Chinese Medical Association, School of Medicine, Xiamen University, Xiamen, Fujian, 361102, People's Republic of China
| | - Ting Wu
- School of Medicine, Xiamen University, Xiamen, Fujian, 361102, People's Republic of China.
- Department of Hepatobiliary Surgery, Xiang'an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, Fujian, 361102, People's Republic of China.
- Cancer Research Center of Xiamen University, School of Medicine, Xiamen University, Xiamen, Fujian, 361102, People's Republic of China.
- Retroperitoneal Tumor Research Center of Oncology Chapter of Chinese Medical Association, School of Medicine, Xiamen University, Xiamen, Fujian, 361102, People's Republic of China.
| | - Xin Gou
- Department of Hepatobiliary Surgery, Guizhou Provincial People's Hospital, Guiyang, Guizhou, 550002, People's Republic of China.
| | - Wengang Li
- School of Medicine, Xiamen University, Xiamen, Fujian, 361102, People's Republic of China.
- Department of Hepatobiliary Surgery, Xiang'an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, Fujian, 361102, People's Republic of China.
- Cancer Research Center of Xiamen University, School of Medicine, Xiamen University, Xiamen, Fujian, 361102, People's Republic of China.
- Retroperitoneal Tumor Research Center of Oncology Chapter of Chinese Medical Association, School of Medicine, Xiamen University, Xiamen, Fujian, 361102, People's Republic of China.
| |
Collapse
|