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American journal of cancer research

A human recombinant IL-7/HGFβ hybrid cytokine enhances antitumor immunity in mice.


PMID 28861327

Abstract

We purified a hybrid cytokine that contains interleukin-7 (IL-7) and the beta-chain of hepatocyte growth factor (HGFβ) from a unique long-term murine bone marrow culture system. We have cloned and expressed the human form of IL-7/HGFβ in which the IL-7 and HGFβ genes are connected by a flexible linker to produce a single-chain recombinant human IL-7/HGFβ protein (hrIL-7/HGFβ). To determine whether hrIL-7/HGFβ has antitumor activity, we injected this hybrid cytokine into melanoma and colon cancer animal models, and then assessed the local tumor growth and tumor metastasis. We show here that