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Title

Adalimumab reduces photoreceptor cell death in a mouse model of retinal degeneration

AuthorsMartínez-Fernández de la Cámara, Cristina; Hernández-Pinto, Alberto M. CSIC ORCID; De la Rosa, Enrique J. CSIC ORCID ; Rodrigo, Regina
Issue Date14-Jul-2015
PublisherNature Publishing Group
CitationSCIENTIFIC REPORTS 5 10.1038/srep11764 (2015)
AbstractGrowing evidence suggests that inflammation is involved in the progression of retinitis pigmentosa (RP) both in patients and in animal models. The aim of this study was to investigate the effect of Adalimumab, a monoclonal anti-TNFα antibody, on retinal degeneration in a murine model of human autosomal recessive RP, the rd10 mice at postnatal day (P) 18. In our housing conditions, rd10 retinas were seriously damaged at P18. Adalimumab reduced photoreceptor cell death, as determined by scoring the number of TUNEL-positive cells. In addition, nuclear poly (ADP) ribose (PAR) content, an indirect measure of PAR polymerase (PARP) activity, was also reduced after treatment. The blockade of TNFα ameliorated reactive gliosis, as visualized by decreased GFAP and IBA1 immunolabelling (Müller cell and microglial markers, respectively) and decreased up-regulation of TNFα gene expression. Adalimumab also improved antioxidant response by restoring total antioxidant capacity and superoxide dismutase activity. Finally, we observed that Adalimumab normalized energetic and metabolic pattern in rd10 mouse retinas. Our study suggests that the TNFα blockade could be a successful therapeutic approach to increase photoreceptor survival during the progression of RP. Further studies are needed to characterize its effect along the progression of the disease.
Description13 p.-5 fig.-1 tab. Cristina Martínez-Fernández de la Cámara et alt.
Publisher version (URL)http://dx.doi.org/ 10.1038/srep11764
URIhttp://hdl.handle.net/10261/121057
DOI10.1038/srep11764
ISSN2045-2322
E-ISSN2045-2322
Appears in Collections:(CIB) Artículos




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