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Previous studies have demonstrated that soluble forms of T-cell costimulatory molecules 4-1BB (s4-1BB) and OX40 (sOX40) interact with immune cells and may constitute a mechanism of immune evasion by tumors in various cancers. The role of the soluble forms of 4-1BB and OX40 in GC remains unclear. We aimed to examine the association between serum levels of s4-1BB and sOX40 and tumor progression in patients with GC.
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Lima et al. (2024) studied this question.
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