Issues with the Specificity of Immunological Reagents for NLRP3: Implications for Age-related Macular Degeneration

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Issues with the Specificity of Immunological Reagents for NLRP3: Implications for Age-related Macular Degeneration

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Title: Issues with the Specificity of Immunological Reagents for NLRP3: Implications for Age-related Macular Degeneration
Author: Kosmidou, Cassandra; Efstathiou, Nikolaos E.; Hoang, Mien V.; Notomi, Shoji; Konstantinou, Eleni K.; Hirano, Masayuki; Takahashi, Kosuke; Maidana, Daniel E.; Tsoka, Pavlina; Young, Lucy; Gragoudas, Evangelos S.; Olsen, Timothy W.; Morizane, Yuki; Miller, Joan W.; Vavvas, Demetrios G.

Note: Order does not necessarily reflect citation order of authors.

Citation: Kosmidou, C., N. E. Efstathiou, M. V. Hoang, S. Notomi, E. K. Konstantinou, M. Hirano, K. Takahashi, et al. 2018. “Issues with the Specificity of Immunological Reagents for NLRP3: Implications for Age-related Macular Degeneration.” Scientific Reports 8 (1): 461. doi:10.1038/s41598-017-17634-1. http://dx.doi.org/10.1038/s41598-017-17634-1.
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Abstract: Contradictory data have been presented regarding the implication of the NACHT, LRR and PYD domains-containing protein 3 (NLRP3) inflammasome in age-related macular degeneration (AMD), the leading cause of vision loss in the Western world. Recognizing that antibody specificity may explain this discrepancy and in line with recent National Institutes of Health (NIH) guidelines requiring authentication of key biological resources, the specificity of anti-NLRP3 antibodies was assessed to elucidate whether non-immune RPE cells express NLRP3. Using validated resources, NLRP3 was not detected in human primary or human established RPE cell lines under multiple inflammasome-priming conditions, including purported NLRP3 stimuli in RPE such as DICER1 deletion and Alu RNA transfection. Furthermore, NLRP3 was below detection limits in ex vivo macular RPE from AMD patients, as well as in human induced pluripotent stem cell (hiPSC)-derived RPE from patients with overactive NLRP3 syndrome (Chronic infantile neurologic cutaneous and articulate, CINCA syndrome). Evidence presented in this study provides new data regarding the interpretation of published results reporting NLRP3 expression and upregulation in RPE and addresses the role that this inflammasome plays in AMD pathogenesis.
Published Version: doi:10.1038/s41598-017-17634-1
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5764999/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:34868745
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