Genome editing-enabled HTS assays expand drug target pathways for Charcot-Marie-Tooth disease. Inglese, J., Dranchak, P., Moran, P., Jang, S., Cost, G., Srinivasan, R., Guha, R., Martinez, N., MacArthur, R., Urnov, F., & Svaren, J. ACS Chem.~Biol., 9(11):2594--2602, 2014. abstract bibtex Copy number variation resulting in excess PMP22 protein causes the peripheral neuropathy, Charcot-Marie-Tooth Disease, type 1A. To broadly interrogate chemically sensitive transcriptional pathways controlling PMP22 protein level, we used the targeting precision of TALEN-mediated genome editing to embed reporters within the genetic locus harboring the Peripheral Myelin Protein 22 (Pmp22) gene. Using a Schwann cell line with constitutively high endogenous levels of Pmp22 we obtained monoallelic insertion of secreted bioluminescent reporters with sufficient signal to enable a 1536-well assay. Our findings from the quantitative high-throughput screening (qHTS) of several thousand drugs and clinically investigated compounds using this assay design both overlapped and expanded results from a previous assay using a randomly inserted reporter gene controlled by a single regulatory element of the Pmp22 gene. A key difference was the identification of a kinase-controlled inhibitory pathway of Pmp22 transcription revealed by the activity of the Protein kinase C (PKC)-modulator bryostatin
@article{Inglese:2014rq,
Abstract = {Copy number variation resulting in excess PMP22 protein causes the peripheral neuropathy, Charcot-Marie-Tooth Disease, type 1A. To broadly interrogate chemically sensitive transcriptional pathways controlling PMP22 protein level, we used the targeting precision of TALEN-mediated genome editing to embed reporters within the genetic locus harboring the Peripheral Myelin Protein 22 (Pmp22) gene. Using a Schwann cell line with constitutively high endogenous levels of Pmp22 we obtained monoallelic insertion of secreted bioluminescent reporters with sufficient signal to enable a 1536-well assay. Our findings from the quantitative high-throughput screening (qHTS) of several thousand drugs and clinically investigated compounds using this assay design both overlapped and expanded results from a previous assay using a randomly inserted reporter gene controlled by a single regulatory element of the Pmp22 gene. A key difference was the identification of a kinase-controlled inhibitory pathway of Pmp22 transcription revealed by the activity of the Protein kinase C (PKC)-modulator bryostatin},
Author = {Inglese, J. and Dranchak, P. and Moran, P. and Jang, S.-W. and Cost, G.J. and Srinivasan, R. and Guha, R. and Martinez, N. and MacArthur, R. and Urnov, F.D. and Svaren, J.},
Date-Added = {2014-06-24 19:24:45 +0000},
Date-Modified = {2015-04-17 14:49:24 +0000},
Journal = {{ACS} Chem.~Biol.},
Number = {11},
Pages = {2594--2602},
Title = {Genome editing-enabled {HTS} assays expand drug target pathways for Charcot-Marie-Tooth disease},
Volume = {9},
Year = {2014},
Bdsk-Url-1 = {http://dx.doi.org/10.1021/cb5005492}}
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