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Publications 2023
Spinocerebellar ataxia type 1: It's not just about Purkinje cells. Opal P Neuron. 2023 Aug; 111(16): 2461-2462. https://doi.org/10.1016/j.neuron.2023.07.014 PMID: 37591199
Reactive Bergmann glia play a central role in spinocerebellar ataxia inflammation via the JNK pathway. Edamakanti CR, Mohan V, Opal P J Neuroinflammation. 2023 May; 20(1): 126-. https://doi.org/10.1186/s12974-023-02801-1 PMID: 37237366
Standards of Fluid Biomarker Collection and Pre-analytical Processes in Humans and Mice: Recommendations by the Ataxia Global Initiative Working Group on Biomarkers. Santorelli FM, McLoughlin HS, Wolter JM, Galatolo D, Synofzik M, Mengel D, Opal P, AGI-WG2-Biomarkers Study Group Cerebellum. 2023 May; https://doi.org/10.1007/s12311-023-01561-1 PMID: 37243885
Gigaxonin is required for intermediate filament transport. Renganathan B, Zewe JP, Cheng Y, Paumier J-M, Kittisopikul M, Ridge KM, Opal P, Gelfand VI FASEB J. 2023 May; 37(5): e22886-. https://doi.org/10.1096/fj.202202119R PMID: 37043392
Ataxia Global Initiative (AGI) Working Group Expert GuidanceNational Institutes of Health Klockgether T, Synofzik M, Alhusaini S, Anheim M, Antonijevic I, Ashizawa T, Bataller L, Berard M, Bertini E, Boesch S, Braga-Neto P, Cassou E, Chan E, Chuang R, Collins A, Damásio J, Donis K, Duquette A, Durães J, Durr A, Evans R, Faber J, Farmer J, Gennarino V, Graessner H, Grobe-Einsler M, Hanagasie H, Heidari M, Houlden H, Indelicato E, Ishikawa K, Jacobi H, Jardim L, Kisanuki Y, Kopishinskaia S, L´Italien G, Maas R, Mancuso M, Mariotti C, Ibrahim NM, Nachbauer W, Nemeth A, Ng YS, Obieglo K, Onodera O, Opal P, de Almeida LP, Perlman S, Primiano G, Renaud M, Rosenthal L, Saccà F, Sattar Z, Schmitz-Hübsch T, Schöls L, Schüle R, Seeberger L, Silvestri G, Sobanska A, Soong BW, Srivastava AK, Stoyas C, du Montcel ST, Thieme A, Timmann D, Tocoian A, Traschütz A, van de Warrenburg B, Ziegler W Cerebellum. 2023 Jan; https://doi.org/10.1007/s12311-023-01547-z ISSN: 1473-4222
Standards of NGS Data Sharing and Analysis in AtaxiasNational Institutes of Health Beijer D, Fogel BL, Beltran S, Danzi MC, Németh AH, Züchner S, Synofzik M, Adarmes A, Alhusaini S, Ashrafi MR, Bataller L, Bertini E, Boesch S, Buijsen R, Cassou E, Chan E, Damásio J, Donis K, Elert-Dobkowska E, Elsayed L, Espinos C, Hanagasi H, Heidari M, Nachbauer W, Oliveira J, Opal P, Paisan-Ruiz C, Puccio H, Saccà F, Saraiva-Pereira ML, Schmidt T, Schüle R, Stevanin G, Wilke C, Yoon G, Zach N, Zanni G Cerebellum. 2023 Jan; https://doi.org/10.1007/s12311-023-01537-1 ISSN: 1473-4222
2022
Clinically Meaningful Magnetic Resonance Endpoints Sensitive to Preataxic Spinocerebellar Ataxia Types 1 and 3. Chandrasekaran J, Petit E, Park YW, du Montcel ST, Joers JM, Deelchand DK, Považan M, Banan G, Valabregue R, Ehses P, Faber J, Coupé P, Onyike CU, Barker PB, Schmahmann JD, Ratai E-M, Subramony SH, Mareci TH, Bushara KO, Paulson H, Durr A, Klockgether T, Ashizawa T, Lenglet C, Öz G, READISCA Consortium Ann Neurol. 2022 Dec; https://doi.org/10.1002/ana.26573 PMID: 36511514
The S-Factor, a New Measure of Disease Severity in Spinocerebellar Ataxia: Findings and Implications. Selvadurai LP, Perlman SL, Wilmot GR, Subramony SH, Gomez CM, Ashizawa T, Paulson HL, Onyike CU, Rosenthal LS, Sair HI, Kuo S-H, Ratai E-M, Zesiewicz TA, Bushara KO, Öz G, Dietiker C, Geschwind MD, Nelson AB, Opal P, Yacoubian TA, Nopoulos PC, Shakkottai VG, Figueroa KP, Pulst SM, Morrison PE, Schmahmann JD Cerebellum. 2022 Aug; https://doi.org/10.1007/s12311-022-01424-1 PMID: 35962273
Differential effects of Wnt-β-catenin signaling in Purkinje cells and Bergmann glia in spinocerebellar ataxia type 1. Luttik K, Tejwani L, Ju H, Driessen T, Smeets CJLM, Edamakanti CR, Khan A, Yun J, Opal P, Lim J Proc Natl Acad Sci U S A. 2022 Aug; 119(34): e2208513119-. https://doi.org/10.1073/pnas.2208513119 PMID: 35969780
Clinical Reasoning: A 77-Year-Old Man With Involuntary Movements, Sleep Changes, Falls, Bulbar Symptoms, and Cognitive Complaints. Cao TQ, Harris GR, Lineback CM, Sokol LL, Mencacci N, Opal P Neurology. 2022 Apr; https://doi.org/10.1212/WNL.0000000000200705 PMID: 35487699
2021
Pharmacological perturbation reveals deficits in D2 receptor responses in Thap1 null mice. Frederick NM, Pooler MM, Shah P, Didonna A, Opal P Ann Clin Transl Neurol. 2021 Dec; 8(12): 2302-2308. https://doi.org/10.1002/acn3.51481 PMID: 34802187
Spinocerebellar ataxia clinical trials: opportunities and challenges. Brooker SM, Edamakanti CR, Akasha SM, Kuo S-H, Opal P Ann Clin Transl Neurol. 2021 Jul; 8(7): 1543-1556. https://doi.org/10.1002/acn3.51370 PMID: 34019331
Developmental Alterations in Adult-Onset Neurodegenerative Disorders: Lessons from Polyglutamine Diseases. Edamakanti CR, Opal P Mov Disord. 2021 Jul; 36(7): 1548-1552. https://doi.org/10.1002/mds.28657 PMID: 34014004
Rating scales and biomarkers for CAG-repeat spinocerebellar ataxias: Implications for therapy development. Chen M-L, Lin C-C, Rosenthal LS, Opal P, Kuo S-H J Neurol Sci. 2021 May; 424: 117417-. https://doi.org/10.1016/j.jns.2021.117417 PMID: 33836316
Adapting to post-COVID19 research in Parkinson's disease: Lessons from a multinational experience. Tan E-K, Albanese A, Chaudhuri K, Lim S-Y, Oey NE, Shan Chan CH, Wu Y-C, Jeon B, Truong D, Poewe W, Pal PK, Tan L, Opal P, Colosimo C, Jinnah HA, Cardoso F Parkinsonism Relat Disord. 2021 Jan; 82: 146-149. https://doi.org/10.1016/j.parkreldis.2020.10.009 PMID: 33071183
2020
Neurological research & training after the easing of lockdown in countries impacted by COVID-19. Tan E-K, Albanese A, Chaudhuri KR, Opal P, Wu Y-C, Chan CH-S, Jeon B, Truong D, Poewe W, Tan L, Pal P, Colosimo C, Lim S-Y, Jinnah HA, Cardoso F J Neurol Sci. 2020 Nov; 418: 117105-. https://doi.org/10.1016/j.jns.2020.117105 PMID: 32980781
Purification of Prominin-1+ Stem Cells from Postnatal Mouse Cerebellum. Edamakanti CR, Opal P J Vis Exp. 2020 Apr; (158): https://doi.org/10.3791/60554 PMID: 32338650
2019
The role of neurofilament aggregation in neurodegeneration: lessons from rare inherited neurological disorders. Didonna A, Opal P Mol Neurodegener. 2019 May; 14(1): 19-. https://doi.org/10.1186/s13024-019-0318-4 PMID: 31097008
Loss of the dystonia gene Thap1 leads to transcriptional deficits that converge on common pathogenic pathways in dystonic syndromes. Frederick NM, Shah PV, Didonna A, Langley MR, Kanthasamy AG, Opal P Hum Mol Genet. 2019 Apr; 28(8): 1343-1356. https://doi.org/10.1093/hmg/ddy433 PMID: 30590536
Self-assembling vascular endothelial growth factor nanoparticles improve function in spinocerebellar ataxia type 1. Hu Y-S, Do J, Edamakanti CR, Kini AR, Martina M, Stupp SI, Opal P Brain. 2019 Feb; 142(2): 312-321. https://doi.org/10.1093/brain/awy328 PMID: 30649233
2018
Trinucleotide Repeat Expansion Diseases, RNAi, and Cancer. Murmann AE, Yu J, Opal P, Peter ME Trends Cancer. 2018 Oct; 4(10): 684-700. https://doi.org/10.1016/j.trecan.2018.08.004 PMID: 30292352
ANP32A regulates histone H3 acetylation and promotes leukemogenesis. Yang X, Lu B, Sun X, Han C, Fu C, Xu K, Wang M, Li D, Chen Z, Opal P, Wen Q, Crispino JD, Wang Q-F, Huang Z Leukemia. 2018 Jul; 32(7): 1587-1597. https://doi.org/10.1038/s41375-018-0010-7 PMID: 29467488
Mutant ataxin1 disrupts cerebellar development in spinocerebellar ataxia type 1. Edamakanti CR, Do J, Didonna A, Martina M, Opal P J Clin Invest. 2018 Jun; 128(6): 2252-2265. https://doi.org/10.1172/JCI96765 PMID: 29533923
2017
ANP32A dysregulation contributes to abnormal megakaryopoiesis in acute megakaryoblastic leukemia. Sun X, Lu B, Han C, Qiu W, Jin Q, Li D, Li Q, Yang Q, Wen Q, Opal P, Kini AR, Crispino JD, Huang Z Blood Cancer J. 2017 Dec; 7(12): 661-. https://doi.org/10.1038/s41408-017-0031-x PMID: 29269781
Mutant Ataxin-1 Inhibits Neural Progenitor Cell Proliferation in SCA1. Cvetanovic M, Hu Y-S, Opal P Cerebellum. 2017 Apr; 16(2): 340-347. https://doi.org/10.1007/s12311-016-0794-9 PMID: 27306906
2016
Advances in Sequencing Technologies for Understanding Hereditary Ataxias: A Review. Didonna A, Opal P JAMA Neurol. 2016 Dec; 73(12): 1485-1490. https://doi.org/10.1001/jamaneurol.2016.3097 PMID: 27749953
The role of gigaxonin in the degradation of the glial-specific intermediate filament protein GFAP. Lin N-H, Huang Y-S, Opal P, Goldman RD, Messing A, Perng M-D Mol Biol Cell. 2016 Dec; 27(25): 3980-3990. https://doi.org/10.1091/mbc.E16-06-0362 PMID: 27798231
Paraneoplastic cerebellar degeneration with anti-Yo antibodies - a review. Venkatraman A, Opal P Ann Clin Transl Neurol. 2016 Aug; 3(8): 655-663. https://doi.org/10.1002/acn3.328 PMID: 27606347 ISSN: 2328-9503
Intermediate filament aggregates cause mitochondrial dysmotility and increase energy demands in giant axonal neuropathy. Israeli E, Dryanovski DI, Schumacker PT, Chandel NS, Singer JD, Julien JP, Goldman RD, Opal P Hum Mol Genet. 2016 Jun; 25(11): 2143-2157. https://doi.org/10.1093/hmg/ddw081 PMID: 27000625
Abnormal intermediate filament organization alters mitochondrial motility in giant axonal neuropathy fibroblasts. Lowery J, Jain N, Kuczmarski ER, Mahammad S, Goldman A, Gelfand VI, Opal P, Goldman RD Mol Biol Cell. 2016 Feb; 27(4): 608-616. https://doi.org/10.1091/mbc.E15-09-0627 PMID: 26700320
2015
Neuronal Atrophy Early in Degenerative Ataxia Is a Compensatory Mechanism to Regulate Membrane Excitability. Dell'Orco JM, Wasserman AH, Chopra R, Ingram MAC, Hu Y-S, Singh V, Wulff H, Opal P, Orr HT, Shakkottai VG J Neurosci. 2015 Aug; 35(32): 11292-11307. https://doi.org/10.1523/JNEUROSCI.1357-15.2015 PMID: 26269637
Early activation of microglia and astrocytes in mouse models of spinocerebellar ataxia type 1. Cvetanovic M, Ingram M, Orr H, Opal P Neuroscience. 2015 Mar; 289: 289-299. https://doi.org/10.1016/j.neuroscience.2015.01.003 PMID: 25595967
The promise and perils of HDAC inhibitors in neurodegeneration. Didonna A, Opal P Ann Clin Transl Neurol. 2015 Jan; 2(1): 79-101. https://doi.org/10.1002/acn3.147 PMID: 25642438 ISSN: 2328-9503
An investigation of diffusion imaging techniques in the evaluation of spinocerebellar ataxia and multisystem atrophy. Rozenfeld MN, Nemeth AJ, Walker MT, Mohan P, Wang X, Parrish TB, Opal P J Clin Neurosci. 2015 Jan; 22(1): 166-172. https://doi.org/10.1016/j.jocn.2014.08.006 PMID: 25439745
2014
2013
Giant axonal neuropathy-associated gigaxonin mutations impair intermediate filament protein degradation. Mahammad S, Murthy SNP, Didonna A, Grin B, Israeli E, Perrot R, Bomont P, Julien J-P, Kuczmarski E, Opal P, Goldman RD J Clin Invest. 2013 May; 123(5): 1964-1975. https://doi.org/10.1172/JCI66387 PMID: 23585478
2012
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2009
2007
The role of LANP and ataxin 1 in E4F-mediated transcriptional repression. Cvetanovic M, Rooney RJ, Garcia JJ, Toporovskaya N, Zoghbi HY, Opal P EMBO Rep. 2007 Jul; 8(7): 671-677. https://doi.org/10.1038/sj.embor.7400983 PMID: 17557114 ISSN: 1469-221X
Huntington's disease presenting as postsurgical psychosis. Paganoni S, Naidech AM, Opal P Mov Disord. 2007 Jun; 22(8): 1209-1210. https://doi.org/10.1002/mds.21522 PMID: 17443707 ISSN: 0885-3185
In cis autosomal dominant mutation of Senataxin associated with tremor/ataxia syndrome. Bassuk AG, Chen YZ, Batish SD, Nagan N, Opal P, Chance PF, Bennett CL Neurogenetics. 2007 Jan; 8(1): 45-49. https://doi.org/10.1007/s10048-006-0067-8 PMID: 17096168 ISSN: 1364-6745
2004
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1996
Alterations in neural intermediate filament organization: functional implications and the induction of pathological changes related to motor neuron disease. Straube-West K, Loomis PA, Opal P, Goldman RD J Cell Sci. 1996 Sep; 109 ( Pt 9): 2319-2329. https://doi.org/10.1242/jcs.109.9.2319 PMID: 8886982 ISSN: 0021-9533
The function of intermediate filaments in cell shape and cytoskeletal integrity. Goldman RD, Khuon S, Chou YH, Opal P, Steinert PM J Cell Biol. 1996 Aug; 134(4): 971-983. https://doi.org/10.1083/jcb.134.4.971 PMID: 8769421 ISSN: 0021-9525
The relative roles of specific N- and C-terminal phosphorylation sites in the disassembly of intermediate filament in mitotic BHK-21 cells. Chou YH, Opal P, Quinlan RA, Goldman RD J Cell Sci. 1996 Apr; 109 ( Pt 4): 817-826. https://doi.org/10.1242/jcs.109.4.817 PMID: 8718673 ISSN: 0021-9533
Intermediate filament dynamics. Eriksson JE, Opal P, Goldman RD Curr Opin Cell Biol. 1992 Feb; 4(1): 99-104. https://doi.org/10.1016/0955-0674(92)90065-k PMID: 1558758 ISSN: 0955-0674