Cloning of cDNA for canine interleukin-18 and canine interleukin-1β converting enzyme and expression of canine interleukin-18

被引:12
作者
Okano, F
Satoh, M
Ido, T
Yamada, K
机构
[1] Toray Ind Inc, Chem Res Labs, Minato Ku, Nagoya, Aichi 4558502, Japan
[2] Toray Ind Inc, Basic Res Labs, Kanasawa, Japan
关键词
D O I
10.1089/107999099314388
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Cloning of canine interleukin-18 (IL-18) and canine interleukin-1 beta converting enzyme (ICE) cDNA was carried out by using murine IL-18 cDNA and human ICE cDNA, respectively, as probes. Sequence homology to known sequences of human, mouse, or rat genes was noted at nucleotide and amino acid levels. Canine IL-18 mRNA was expressed in various canine organs, whereas canine ICE mRNA was expressed in only a few, particularly in the brain and testis. Cloned canine IL-18 cDNA was expressed in Escherichia coli, The resulting protein promoted induction of canine interferon-gamma (IFN-gamma) from stimulated canine lymphocytes, Canine IL-18 and canine IL-12 produced canine IFN-gamma synergistically. Canine IL-18 suppressed the growth of tumor cells transplanted in SCID mice. Cloned canine IL-18 should prove useful as an anticancer agent.
引用
收藏
页码:27 / 32
页数:6
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