Persistent Unresolved Inflammation in the Mecp2-308 Female Mutated Mouse Model of Rett Syndrome.
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| Abstract |
Rett syndrome (RTT) is a rare neurodevelopmental disorder usually caused by mutations in the X-linked gene methyl-CpG-binding protein 2 (MECP2). Several Mecp2 mutant mouse lines have been developed recapitulating part of the clinical features. In particular, Mecp2-308 female heterozygous mice, bearing a truncating mutation, are a validated model of the disease. While recent data suggest a role for inflammation in RTT, little information on the inflammatory status in murine models of the disease is available. Here, we investigated the inflammatory status by proteomic 2-DE/MALDI-ToF/ToF analyses in symptomatic Mecp2-308 female mice. Ten differentially expressed proteins were evidenced in the Mecp2-308 mutated plasma proteome. In particular, 5 positive acute-phase response (APR) proteins increased (i.e., kininogen-1, alpha-fetoprotein, mannose-binding protein C, alpha-1-antitrypsin, and alpha-2-macroglobulin), and 3 negative APR reactants were decreased (i.e., serotransferrin, albumin, and apolipoprotein A1). CD5 antigen-like and vitamin D-binding protein, two proteins strictly related to inflammation, were also changed. These results indicate for the first time a persistent unresolved inflammation of unknown origin in the Mecp2-308 mouse model.
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| Authors | Alessio Cortelazzo, Claudio De Felice, Bianca De Filippis, Laura Ricceri, Giovanni Laviola, Silvia Leoncini, Cinzia Signorini, Monica Pescaglini, Roberto Guerranti, Anna Maria Timperio, Lello Zolla, Lucia Ciccoli, Joussef Hayek |
| Journal | Mediators of inflammation (Mediators Inflamm) Vol. 2017 Pg. 9467819 ( 2017) ISSN: 1466-1861 [Electronic] United States |
| PMID | 28592917 (Publication Type: Journal Article) |
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