ArticleApplied biochemistry and biotechnology2024
TRIM4 Expression Related to Malignant Progression and Cisplatin Resistance in Osteosarcoma.
Article in Applied biochemistry and biotechnology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed, 2 citations in OpenAlex.
- TRIM4 modulates the ubiquitin-mediated degradation of hnRNPDL and weakens sensitivity to CDK4/6 inhibitor in ovarian cancer.Frontiers of medicine · 2025Article
- Multifaceted role ofMedComm · 2024Review
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Authors and funding
5 authors at 1 institution in 1 country.
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Abstract
Osteosarcoma (OS) is a high-grade intraosseous malignancy. Twenty to thirty percent of OS patients react poorly to standard therapy with a combination of surgical resection and chemotherapy. It is necessary to find molecules that play an important role in this. This study explored the role of TRIM4 in OS chemotherapy sensitivity and malignant progression. The expression of TRIM4 in OS tissues and cells was examined by RT-qPCR, immunohistochemical staining, and western blot. Specific siRNA was transfected into U2-OS and SAOS2 cells to target TRIM4. Cell biological behavior was examined by CCK-8, Transwell, and flow cytometry experiments. Cisplatin-resistant SAOS2 (SAOS2-Cis-R) cells were established, and the effect of TRIM4 expression on the cisplatin response of SAOS2 cells was tested. Knockdown of TRIM4 significantly inhibited the proliferation, migration, and invasion of U2-OS and SAOS2 cells and induced apoptosis. TRIM4 expression was significantly higher in chemotherapy-resistant OS tissues compared to chemotherapy-sensitive OS tissues. Furthermore, the expression of TRIM4 in SAOS2-Cis-R cells was significantly increased compared to parental SAOS2 cells. Moreover, overexpression of TRIM4 enhanced cisplatin resistance in parental SAOS2 cells, while the downregulation of TRIM4 expression enhanced cisplatin sensitivity of SAOS2-Cis-R cells. High TRIM4 expression might be associated with malignant progression and poor response to chemotherapy response of OS. Targeting TRIM4 may be beneficial for OS treatment or combination therapy.
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