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Liu S, Ye F, Li D, He C, He H, Zhang J. p62 overexpression promotes neoplastic stromal cell proliferation and is associated with the recurrence of giant cell tumor of bone. Oncol Lett 2020; 20:86. [PMID: 32863919 PMCID: PMC7436931 DOI: 10.3892/ol.2020.11947] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2019] [Accepted: 06/12/2020] [Indexed: 12/12/2022] Open
Abstract
Giant cell tumor of bone (GCTB) is an intermediate (locally aggressive) bone tumor with a recurrence rate of >30% following surgery. GCTB recurrence is ultimately due to the proliferation of neoplastic stromal (NS) cells. However, the precise mechanism underlying the regulation of NS cell proliferation remains unknown. p62 protein is a multifunctional adaptor protein that exerts a positive role in bone tumors and metabolic bone diseases. In the present study, the mRNA and protein expression levels of p62 were detected by reverse transcription-quantitative PCR and western blotting, respectively, in 8 paired fresh GCTB tumor tissues and adjacent normal cancellous bone tissues. The association between p62 expression level and patient prognosis was subsequently analyzed in 54 paraffin-embedded tumor specimens by immunohistochemistry assay. NS cells were isolated from GCTB primary cell culture, and the role of p62 was evaluated using in vitro cell proliferation, migration and invasion assays. The results revealed that p62 mRNA and protein were overexpressed in tumor tissues. High p62 expression levels were significantly associated with the recurrence of GCTB (P=0.001). The patients in the high p62 expression group had shorter 5-year recurrence-free survival rates compared with the patients in the low p62 expression group (P<0.001). Cox regression analysis identified p62 expression as an independent prognostic indicator of the recurrence-free survival of patients with GCTB (P<0.001). The in vitro experiments revealed that p62 downregulation inhibited NS cell proliferation, invasion and migration, and promoted apoptosis. In conclusion, it was found that p62 overexpression is associated with the recurrence of GCTB via the promotion of NS cell proliferation. Therefore, p62 could be a novel prognostic indicator, and a potential therapeutic target for GCTB.
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Affiliation(s)
- Shu Liu
- Department of Orthopaedics, Bone and Soft Tissue Tumors Research Center of Yunnan Province, The Third Affiliated Hospital of Kunming Medical University, Tumor Hospital of Yunnan Province, Kunming, Yunnan 650118, P.R. China
| | - Fan Ye
- Department of Orthopaedics, Bone and Soft Tissue Tumors Research Center of Yunnan Province, The Third Affiliated Hospital of Kunming Medical University, Tumor Hospital of Yunnan Province, Kunming, Yunnan 650118, P.R. China
| | - Dongqi Li
- Department of Orthopaedics, Bone and Soft Tissue Tumors Research Center of Yunnan Province, The Third Affiliated Hospital of Kunming Medical University, Tumor Hospital of Yunnan Province, Kunming, Yunnan 650118, P.R. China
| | - Chuanchun He
- Department of Orthopaedics, Bone and Soft Tissue Tumors Research Center of Yunnan Province, The Third Affiliated Hospital of Kunming Medical University, Tumor Hospital of Yunnan Province, Kunming, Yunnan 650118, P.R. China
| | - Hao He
- Department of Orthopaedics, Bone and Soft Tissue Tumors Research Center of Yunnan Province, The Third Affiliated Hospital of Kunming Medical University, Tumor Hospital of Yunnan Province, Kunming, Yunnan 650118, P.R. China
| | - Jing Zhang
- Department of Orthopaedics, Bone and Soft Tissue Tumors Research Center of Yunnan Province, The Third Affiliated Hospital of Kunming Medical University, Tumor Hospital of Yunnan Province, Kunming, Yunnan 650118, P.R. China
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Giesche JP, von Baer A, Breining T, Marienfeld R, Mellert K, Lüke J, Schultheiss M, Möller P, Barth TFE. [H3F3A mutated multicentric giant cell tumor of bone : A very rare primary bone disease]. DER PATHOLOGE 2018; 39:451-456. [PMID: 30046846 DOI: 10.1007/s00292-018-0460-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
This article presents the case of a metachronic multicentric giant cell tumor of bone (GCTB). The patient obtained his first diagnosis of GCTB in the left humerus at the age of 47 years. Furthermore, he suffered from a GCTB in the head of his 4th left metacarpal bone and from a recurrence of the latter. All tumors carried the characteristic H3F3A mutation, which was proven by Sanger sequencing and a mutation specific antibody. The case is the first description of a multicentric H3F3A mutated GCTB.
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Affiliation(s)
- J P Giesche
- Institut für Pathologie, Universitätsklinikum Ulm, Albert-Einstein-Allee 23, 89081, Ulm, Deutschland
| | - A von Baer
- Klinik für Unfall‑, Hand‑, Plastische und Wiederherstellungschirurgie, Universitätsklinikum Ulm, Ulm, Deutschland
| | - T Breining
- Klinik für Diagnostische und Interventionelle Radiologie, Universitätsklinikum Ulm, Ulm, Deutschland
| | - R Marienfeld
- Institut für Pathologie, Universitätsklinikum Ulm, Albert-Einstein-Allee 23, 89081, Ulm, Deutschland
| | - K Mellert
- Institut für Pathologie, Universitätsklinikum Ulm, Albert-Einstein-Allee 23, 89081, Ulm, Deutschland
| | - J Lüke
- Institut für Pathologie, Universitätsklinikum Ulm, Albert-Einstein-Allee 23, 89081, Ulm, Deutschland
| | - M Schultheiss
- Klinik für Unfall‑, Hand‑, Plastische und Wiederherstellungschirurgie, Universitätsklinikum Ulm, Ulm, Deutschland
| | - P Möller
- Institut für Pathologie, Universitätsklinikum Ulm, Albert-Einstein-Allee 23, 89081, Ulm, Deutschland
| | - T F E Barth
- Institut für Pathologie, Universitätsklinikum Ulm, Albert-Einstein-Allee 23, 89081, Ulm, Deutschland.
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