| http://www.w3.org/ns/prov#value | - s to VEGF and other angiogenic factors such as basic fibroblast growth factor (bFGF).101???103 Moreover, the antiangiogenic effects of IL-4 can be mediated indirectly through its effects on tumor stromal fibroblasts.104In addition to these effects on stromal cells, direct anti-tumor functions of IL-4 on tumor cells have also been reported, such as the induction of apoptosis in several types of can
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