000203086 001__ 203086 000203086 005__ 20210129220300.0 000203086 0247_ $$2doi$$a10.1007/s00417-014-2652-0 000203086 0247_ $$2ISSN$$a0065-6100 000203086 0247_ $$2ISSN$$a0376-0200 000203086 0247_ $$2ISSN$$a0721-832X 000203086 0247_ $$2ISSN$$a0721-832x 000203086 0247_ $$2ISSN$$a1435-702X 000203086 0247_ $$2WOS$$aWOS:000347553200004 000203086 0247_ $$2altmetric$$aaltmetric:4104577 000203086 0247_ $$2pmid$$apmid:24827634 000203086 037__ $$aFZJ-2015-05121 000203086 041__ $$aEnglish 000203086 082__ $$a610 000203086 1001_ $$0P:(DE-HGF)0$$aRösch, Sarah$$b0 000203086 245__ $$aThe effects of iodoacetic acid on the mouse retina 000203086 260__ $$aBerlin$$bSpringer$$c2015 000203086 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article$$bjournal$$mjournal$$s1438678319_16991 000203086 3367_ $$2DataCite$$aOutput Types/Journal article 000203086 3367_ $$00$$2EndNote$$aJournal Article 000203086 3367_ $$2BibTeX$$aARTICLE 000203086 3367_ $$2ORCID$$aJOURNAL_ARTICLE 000203086 3367_ $$2DRIVER$$aarticle 000203086 520__ $$aBackground:To characterize the effects of intravitreal injections of iodoacetic acid (IAA) in comparison to its systemic application as a measure to induce unilateral photoreceptor degeneration.Methods:Seven-week-old C57BL/6 J mice received either intravitreal injections of IAA or systemic treatment (intraperitoneal vs intravenous) and were observed in the following 5 weeks using ERG, OCT, and histology.Results:Systemic treatment with IAA induced high toxic effects and a high mortality in contrast to the intravitreal injection. Intraperitoneal application had no effect on the retina. Intravenous application of 2 × 30 mg/kg BW IAA (time between injections 3.5 h) resulted in an extinction of the ERG and a thinning of the retina, in particular of the outer nuclear layer (ONL) indicating photoreceptor degeneration. Animals receiving intravitreal injections developed cataracts already at low concentrations (up to 100 % at 0.25 mg/kg BW). Higher intravitreal IAA doses led to extinguished ERGs. In histology, a thinning of the entire retina was observed that was most prominent in the inner part of the retina.Conclusions:In contrast to intraperitoneal administration, intravenous application of IAA led to a selective photoreceptor degeneration. After intravitreal injection, dense cataracts were already observed at concentrations lower than those needed to induce changes in the ERG. ERG results must be interpreted carefully. A thinning of all retinal layers rather than a specific outer retinal degeneration was observed upon intravitreal injection. 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