ORIGINAL ARTICLE
Immunohistochemical positive regulatory domain member 10 expression in soft tissue sarcomas
1
Department of Pathology, Osmaniye State Hospital, Osmaniye, Turkey
2
Department of Pathology, Medical Faculty of Mersin University, Mersin, Turkey
Submission date: 2021-12-17
Acceptance date: 2022-10-27
Publication date: 2023-01-10
Corresponding author
Hamide Sayar
Hamide Sayar, Assoc Prof. Department of Pathology Medical Faculty of Mersin University Mersin, Turkey
Hamide Sayar, Assoc Prof. Department of Pathology Medical Faculty of Mersin University Mersin, Turkey
Pol J Pathol 2022;73(3):223-232
KEYWORDS
TOPICS
ABSTRACT
Positive regulatory domain member (PRDM) proteins play a critical role in the transmission of signals that control cell proliferation and differentiation, and neoplastic transformation. Positive regulatory domain member 10 (tristanin) is a poorly studied member of PRDM protein family. Gene fusion transcripts containing PRDM10 were recently identified in low-grade undifferentiated pleomorphic sarcomas (UPS), and associated with pleomorphic morphology and low mitotic index. The aim of this study was to investigate the immunohistochemical staining of PRDM10 in a larger sample of soft tissue sarcomas. Therefore, the study included 118 soft tissue sarcomas from different classes, and PRDM10 antibody was applied to all of them.
Immuno-histochemically, staining was observed in 22 (19%) cases, while 96 (81%) showed no staining. When PRDM10 expression was compared with clinico-pathological features, there was a statistically significant correlation between PRDM10 expression and myxoid changes, multi-nucleated giant cells, and surgical margin (p = 0.017, p = 0.034, p = 0.032, respectively). No statistically significant association was found between PRDM10 expression and other parameters.
Based on the obtained data, it can be said that PRDM10-positive-stained tumors (tumors with PDRM10 expression) are mostly myxoid, containing multi-nucleated giant cells, and can be removed with well-circumscribed margins.
Immuno-histochemically, staining was observed in 22 (19%) cases, while 96 (81%) showed no staining. When PRDM10 expression was compared with clinico-pathological features, there was a statistically significant correlation between PRDM10 expression and myxoid changes, multi-nucleated giant cells, and surgical margin (p = 0.017, p = 0.034, p = 0.032, respectively). No statistically significant association was found between PRDM10 expression and other parameters.
Based on the obtained data, it can be said that PRDM10-positive-stained tumors (tumors with PDRM10 expression) are mostly myxoid, containing multi-nucleated giant cells, and can be removed with well-circumscribed margins.
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