PMID- 26472618 OWN - NLM STAT- MEDLINE DCOM- 20160926 LR - 20151219 IS - 1879-0089 (Electronic) IS - 0145-305X (Linking) VI - 55 DP - 2016 Feb TI - Inflammatory immune response by lipopolysaccharide-responsive nucleotide binding oligomerization domain (NOD)-like receptors in the Japanese pufferfish (Takifugu rubripes). PG - 21-31 LID - S0145-305X(15)30052-5 [pii] LID - 10.1016/j.dci.2015.10.008 [doi] AB - Some of NOD-like receptors (NLRs), the cytosolic pattern recognition receptors form a multi-protein complex, inflammasome consisting of one or more NLRs, the adaptor protein ASC and inflammatory caspase to generate mature inflammatory cytokines, interleukin (IL)-1beta and IL-18. However, inflammasome-mediated inflammatory cascade involving any NLR member is unknown in a lower vertebrate like fish. Also, inflammatory cytokine induction pathway in response to a specific ligand, namely bacterial lipopolysaccharide (LPS) has not yet been clarified. Therefore, 13 predicted NLR sequences of the Japanese pufferfish, Fugu (Takifugu rubripes) were retrieved in silico and categorized as NLR-C1 approximately 13. Expression analysis of these genes in Fugu head kidney (HK) cells stimulated with a heat-killed Lactobacillus paracasei spp. paracasei (Lpp), LPS, nigericin and a combination of nigericin + LPS showed consistent up-regulations of NLR-C1, 5, 7, 10 and 12 genes in both Lpp and LPS stimulations and NLR-C9 gene in LPS stimulation only. However, nigericin and nigericin + LPS caused an increased expression of NLR-C10 and 12 in HK cells and leukocytes. Fugu treated with Lpp and LPS (in vivo), and infected with Vibrio harveyi had an elevated expression of NLR-C10 and 12. Increased transcription of caspase-1, ASC, IL-1beta and IL-18 was recorded in nigericin-stimulated HK cells and leukocytes. Results suggested activation of probable inflammasome-mediated inflammatory cytokine response in Fugu. Moreover, LPS may be a key ligand that induces some of the Fugu NLR-Cs (NLR-C9, 10 and 12). Further characterization and functional analysis of Fugu NLR-C10 and 12 for ligand sensing, and processing of pro-inflammatory cytokine, IL-1beta would elucidate the inflammasome evolution in fish. CI - Copyright (c) 2015 Elsevier Ltd. All rights reserved. FAU - Biswas, Gouranga AU - Biswas G AD - Interdisciplinary Graduate School of Agriculture and Engineering, University of Miyazaki, 1-1 Gakuenkibanadai-nishi, Miyazaki 889-2192, Japan. FAU - Bilen, Soner AU - Bilen S AD - Department of Basic Sciences, Faculty of Fisheries, Kastamonu University, Kastamonu 37200, Turkey. FAU - Kono, Tomoya AU - Kono T AD - Department of Biochemistry and Applied Biosciences, Faculty of Agriculture, University of Miyazaki, 1-1 Gakuenkibanadai-nishi, Miyazaki 889-2192, Japan. FAU - Sakai, Masahiro AU - Sakai M AD - Department of Biochemistry and Applied Biosciences, Faculty of Agriculture, University of Miyazaki, 1-1 Gakuenkibanadai-nishi, Miyazaki 889-2192, Japan. FAU - Hikima, Jun-ichi AU - Hikima J AD - Department of Biochemistry and Applied Biosciences, Faculty of Agriculture, University of Miyazaki, 1-1 Gakuenkibanadai-nishi, Miyazaki 889-2192, Japan. Electronic address: jhikima@cc.miyazaki-u.ac.jp. LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't DEP - 20151022 PL - United States TA - Dev Comp Immunol JT - Developmental and comparative immunology JID - 7708205 RN - 0 (Antigens, Bacterial) RN - 0 (Fish Proteins) RN - 0 (Lipopolysaccharides) RN - 0 (Nod Signaling Adaptor Proteins) RN - RRU6GY95IS (Nigericin) SB - IM MH - Amino Acid Sequence MH - Animals MH - Antigens, Bacterial/immunology MH - Cells, Cultured MH - Computational Biology MH - Fish Proteins/genetics/*metabolism MH - Gene Expression Regulation MH - Head Kidney/pathology MH - Humans MH - Inflammation/*immunology MH - Lactobacillus/*immunology MH - Leukocytes/*immunology MH - Lipopolysaccharides/immunology MH - Molecular Sequence Data MH - Nigericin/immunology MH - Nod Signaling Adaptor Proteins/genetics/*metabolism MH - Phylogeny MH - Tetraodontiformes/*immunology MH - Vibrio/*immunology MH - Vibrio Infections/*immunology OTO - NOTNLM OT - Inflammasome OT - Inflammatory cytokines OT - Intracellular PRRs OT - Japanese pufferfish OT - LPS recognition OT - NLR EDAT- 2015/10/17 06:00 MHDA- 2016/09/27 06:00 CRDT- 2015/10/17 06:00 PHST- 2015/07/05 00:00 [received] PHST- 2015/10/07 00:00 [revised] PHST- 2015/10/07 00:00 [accepted] PHST- 2015/10/17 06:00 [entrez] PHST- 2015/10/17 06:00 [pubmed] PHST- 2016/09/27 06:00 [medline] AID - S0145-305X(15)30052-5 [pii] AID - 10.1016/j.dci.2015.10.008 [doi] PST - ppublish SO - Dev Comp Immunol. 2016 Feb;55:21-31. doi: 10.1016/j.dci.2015.10.008. Epub 2015 Oct 22.