| http://purl.uniprot.org/citations/23201852 | http://www.w3.org/1999/02/22-rdf-syntax-ns#type | http://purl.uniprot.org/core/Journal_Citation |
| http://purl.uniprot.org/citations/23201852 | http://www.w3.org/2000/01/rdf-schema#comment | "Extracellular high mobility group box 1 (HMGB1) protein and nitric oxide (NO) has been credited with multiple inflammatory functions using in vivo and in vitro systems. Therefore, delineating their regulation may be an important therapeutic strategy for the treatment of sepsis. In the present study, it is demonstrated that recombinant HMGB1 (rHMGB1) synergizes with sub threshold concentration of TLR2 agonist (PGN; 1 μg/ml) as well as with TLR4 agonist (LPS; 1 ng/ml) to induce NO release in mouse peritoneal macrophages. The enhanced iNOS expression was also observed at the transcription and translational level. Co-incubation of macrophages with rHMGB1 with either PGN or LPS showed enhanced expression of TLR2, TLR4 and RAGE. TLR2, TLR4 or RAGE knockdown macrophages effectively inhibited the rHMGB1+PGN or LPS induced NO synergy. It was further observed that the JNK MAPK inhibitor SP600125 attenuated the PGN+rHMGB1 induced iNOS/NO synergy whereas p38 MAPK inhibitor SB908912 inhibited iNOS/NO synergy induced by LPS+rHMGB1. It was also observed that the activation of NF-κB is essential for the synergy as the pharmacological inhibition or siRNA knockdown of NF-κB (cRel) significantly reduced the rHMGB1+PGN or rHMGB1+LPS induced enhanced iNOS/NO expression. Altogether, the data suggests that the co-incubation of macrophages with rHMGB1 with either LPS or PGN induces the synergistic effect on iNOS expression and NO release by the upregulation of surface receptors (TLR2, TLR4 and RAGE) which in turn amplifies the MAPKs (p38 and JNK) and NF-κB activation and results in enhanced iNOS expression and NO production."xsd:string |
| http://purl.uniprot.org/citations/23201852 | http://purl.org/dc/terms/identifier | "doi:10.1016/j.molimm.2012.10.042"xsd:string |
| http://purl.uniprot.org/citations/23201852 | http://purl.uniprot.org/core/author | "Chakraborty R."xsd:string |
| http://purl.uniprot.org/citations/23201852 | http://purl.uniprot.org/core/author | "Sodhi A."xsd:string |
| http://purl.uniprot.org/citations/23201852 | http://purl.uniprot.org/core/author | "Bhatt K.H."xsd:string |
| http://purl.uniprot.org/citations/23201852 | http://purl.uniprot.org/core/date | "2013"xsd:gYear |
| http://purl.uniprot.org/citations/23201852 | http://purl.uniprot.org/core/name | "Mol Immunol"xsd:string |
| http://purl.uniprot.org/citations/23201852 | http://purl.uniprot.org/core/pages | "48-57"xsd:string |
| http://purl.uniprot.org/citations/23201852 | http://purl.uniprot.org/core/title | "High mobility group box 1 protein synergizes with lipopolysaccharide and peptidoglycan for nitric oxide production in mouse peritoneal macrophages in vitro."xsd:string |
| http://purl.uniprot.org/citations/23201852 | http://purl.uniprot.org/core/volume | "54"xsd:string |
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| http://purl.uniprot.org/uniprot/#_Q6P202-mappedCitation-23201852 | http://www.w3.org/1999/02/22-rdf-syntax-ns#object | http://purl.uniprot.org/citations/23201852 |