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A polymeric nanomedicine diminishes inflammatory events in renal tubular cells

Author
Ucero, Álvaro C.; Berzal, Sergio; Ocaña-Salceda, Carlos; Sancho, Mónica; Orzáez, Mar; Messeguer, Ángel; Ruíz-Ortega, Marta; Egido, Jesús; Vicent, María J.; Ortíz, Alberto; Ramos, Adrián M.
Entity
UAM. Departamento de Medicina
Publisher
Public Library of Science
Date
2013-01-02
Citation
10.1371/journal.pone.0051992
PLoS one 8.1 (2013): e51992
 
 
 
ISSN
1932-6203 (online)
DOI
10.1371/journal.pone.0051992
Funded by
This work was supported by grants from the Instituto de Salud Carlos III (www.isciii.es), FIS: PI07/0020, CP08/1083, PS09/00447 and ISCIII-RETICS REDINREN RD 06/0016; Sociedad Española de Nefrología (www.senefro.org). Álvaro Ucero, Sergio Berzal and Carlos Ocaña supported by Fundacion Conchita Rabago (www.fundacionconchitarabago.net), Alberto Ortiz by the Programa de Intensificación de la Actividad Investigadora in the Sistema Nacional de Salud of the Instituto de Salud Carlos III and the Agencia ‘‘Pedro Lain Entralgo’’ of the Comunidad de Madrid and CIFRA S-BIO 0283/2006 www.madrid.org/lainentralgo) and Adrián Ramos, by FIS (Programa Miguel Servet).
Project
Comunidad de Madrid. S2010/BMD-2378/CIFRA
Editor's Version
http://dx.doi.org/10.1371/journal.pone.0051992
Subjects
Apoptosis; Chemokines; Cytokines; DNA transcription; Inflammation; Inflammatory diseases; Kidneys; Phosphorylation; Medicina
URI
http://hdl.handle.net/10486/660684
Rights
© 2013 Ucero et al.

Abstract

The polyglutamic acid/peptoid 1 (QM56) nanoconjugate inhibits apoptosis by interfering with Apaf-1 binding to procaspase-9. We now describe anti-inflammatory properties of QM56 in mouse kidney and renal cell models. In cultured murine tubular cells, QM56 inhibited the inflammatory response to Tweak, a non-apoptotic stimulus. Tweak induced MCP-1 and Rantes synthesis through JAK2 kinase and NF-kB activation. Similar to JAK2 kinase inhibitors, QM56 inhibited Tweak-induced NF-kB transcriptional activity and chemokine expression, despite failing to inhibit NF-kB-p65 nuclear translocation and NF-kB DNA binding. QM56 prevented JAK2 activation and NF-kB-p65(Ser536) phosphorylation. The anti-inflammatory effect and JAK2 inhibition by QM56 were observed in Apaf-12/2 cells. In murine acute kidney injury, QM56 decreased tubular cell apoptosis and kidney inflammation as measured by downmodulations of MCP-1 and Rantes mRNA expression, immune cell infiltration and activation of the JAK2-dependent inflammatory pathway. In conclusion, QM56 has an anti-inflammatory activity which is independent from its role as inhibitor of Apaf-1 and apoptosis and may have potential therapeutic relevance.
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Google™ Scholar:Ucero, Álvaro C. - Berzal, Sergio - Ocaña-Salceda, Carlos - Sancho, Mónica - Orzáez, Mar - Messeguer, Ángel - Ruíz-Ortega, Marta - Egido, Jesús - Vicent, María J. - Ortíz, Alberto - Ramos, Adrián M.

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  • Producción científica en acceso abierto de la UAM [14728]

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