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Updated: Jul 20, 2026

A Pre-Clinical Model of Synovitis Using Ex vivo Human Synovial Tissue with Preserved Function and Architecture
Published on: March 20, 2026
Gene expression profiling of human synovial sarcoma cell line (Hs701.T) in response to IL-1beta stimulation
1Hung Lai Ching Laboratory of Biomedical Science, Research and Development Division, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong.
Objective:
Synovial sarcoma (SS) is a malignant mesenchymal tumor that accounts for 5-10% of all soft tissue sarcoma. IL-1beta, a pleiotrophic cytokine, has been found in the tumor microenvironment which plays crucial roles in the pathogenesis of tumors.
Methods:
In this study, we used Hs701.T as a cellular model to study the short-term (4-h) and long-term (48-h) stimulatory effect of IL-1beta on cell proliferation and differential gene expression.
Results:
The results showed that IL-1beta can stimulate cell proliferation through activation of NF-kappaB and AP-1 transcription factors; sequentially triggers the expression of genes related to tumor progression. The microarray data indicated that most of the up-regulated genes were related to tumor progression. Five candidate genes which are involved in the mediation of proliferation (IL-6), apoptosis (Hsp27 and Daxx), and angiogenesis (PlGF and SPARC) were further validated by RT-PCR.
Conclusion:
These findings may be useful for understanding the pathogenesis of synovial sarcoma.
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