PMID- 10421793 OWN - NLM STAT- MEDLINE DCOM- 19990924 LR - 20190513 IS - 0953-8178 (Print) IS - 0953-8178 (Linking) VI - 11 IP - 8 DP - 1999 Aug TI - IKK-i, a novel lipopolysaccharide-inducible kinase that is related to IkappaB kinases. PG - 1357-62 AB - Using the suppression subtractive hybridization technique, we isolated a novel kinase, IKK-i, whose message is drastically induced by lipopolysaccharide (LPS) in the mouse macrophage cell line RAW264. 7. The predicted protein contains the kinase domain in its N-terminus, which shares 30% identity to that of IKK-alpha or IKK-beta. The C-terminal portion contains a leucine zipper and a potential helix-loop-helix domain, as in the case of IKK-alpha and IKK-beta. IKK-i is expressed mainly in immune cells, and is induced in response to proinflammatory cytokines such as tumor necrosis factor-alpha, IL-1 and IL-6, in addition to LPS. Overexpression of wild-type IKK-i phosphorylated serine residues Ser32 and Ser36 of IkappaB-alpha (preferentially Ser36), and significantly stimulated NF-kappaB activation. These results suggest that IKK-i is an inducible IkappaB kinase which may play a special role in the immune response. FAU - Shimada, T AU - Shimada T AD - Department of Biochemistry, Hyogo College of Medicine, 1-1 Mukogawa-cho, Nishinomiya, Hyogo 663-8501, Japan. FAU - Kawai, T AU - Kawai T FAU - Takeda, K AU - Takeda K FAU - Matsumoto, M AU - Matsumoto M FAU - Inoue, J AU - Inoue J FAU - Tatsumi, Y AU - Tatsumi Y FAU - Kanamaru, A AU - Kanamaru A FAU - Akira, S AU - Akira S LA - eng SI - GENBANK/AB016589 SI - GENBANK/AB016590 PT - Journal Article PT - Research Support, Non-U.S. Gov't PL - England TA - Int Immunol JT - International immunology JID - 8916182 RN - 0 (Cytokines) RN - 0 (DNA-Binding Proteins) RN - 0 (I-kappa B Proteins) RN - 0 (Lipopolysaccharides) RN - 0 (NF-kappa B) RN - 0 (NFKBIA protein, human) RN - 0 (Nfkbia protein, mouse) RN - 139874-52-5 (NF-KappaB Inhibitor alpha) RN - EC 2.7.11.1 (Protein-Serine-Threonine Kinases) RN - EC 2.7.11.10 (CHUK protein, human) RN - EC 2.7.11.10 (Chuk protein, mouse) RN - EC 2.7.11.10 (I-kappa B Kinase) RN - EC 2.7.11.10 (IKBKB protein, human) RN - EC 2.7.11.10 (IKBKE protein, human) RN - EC 2.7.11.10 (Ikbkb protein, mouse) RN - EC 2.7.11.10 (Ikbke protein, mouse) SB - IM MH - Amino Acid Sequence MH - Animals MH - Cytokines/immunology MH - DNA-Binding Proteins/metabolism MH - Enzyme Induction MH - Humans MH - I-kappa B Kinase MH - *I-kappa B Proteins MH - Inflammation/immunology MH - Lipopolysaccharides/*pharmacology MH - Macrophage Activation MH - Macrophages/*enzymology/*immunology MH - Mice MH - Molecular Sequence Data MH - NF-KappaB Inhibitor alpha MH - NF-kappa B/metabolism MH - Phosphorylation MH - Protein-Serine-Threonine Kinases/chemistry/genetics/*metabolism MH - Sequence Analysis, DNA MH - Transcriptional Activation EDAT- 1999/07/28 00:00 MHDA- 1999/07/28 00:01 CRDT- 1999/07/28 00:00 PHST- 1999/07/28 00:00 [pubmed] PHST- 1999/07/28 00:01 [medline] PHST- 1999/07/28 00:00 [entrez] AID - 10.1093/intimm/11.8.1357 [doi] PST - ppublish SO - Int Immunol. 1999 Aug;11(8):1357-62. doi: 10.1093/intimm/11.8.1357.