Richard J O'Brien
Disque D. Deane University Distinguished Professor of Neurology
Current Appointments & Affiliations
- Disque D. Deane University Distinguished Professor of Neurology, Neurology, Clinical Science Departments 2015
- Professor of Neurology, Neurology, Clinical Science Departments 2014
- Chair, Department of Neurology, Neurology, Clinical Science Departments 2014
- Professor of Neurobiology, Neurobiology, Basic Science Departments 2014
Contact Information
- Background
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Education, Training, & Certifications
- MD./PhD., Harvard Medical School 1985
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Previous Appointments & Affiliations
- Instructor, Temporary in the Department of Neurology, Neurology, Clinical Science Departments 2014
- Recognition
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In the News
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SEP 12, 2021 Duke Health News -
DEC 6, 2019 School of Medicine
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Awards & Honors
- Research
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Selected Grants
- Common mechanistic biomarkers of vascular and neuro-degeneration awarded by National Institutes of Health 2023 - 2027
- NINDS Research Education Programs for Residents and Fellows in Neurosurgery awarded by National Institutes of Health 2009 - 2025
- Duke Creating ADRD Researchers for the Next Generation - Stimulating Access to Research in Residency Program (CARiNG-StARR)" awarded by National Institutes of Health 2020 - 2024
- Brain networks in mouse models of aging awarded by National Institutes of Health 2019 - 2024
- Effects of Healthy Aging and Mild Cognitive Impairment on Memory Representations awarded by National Institutes of Health 2021 - 2024
- Healthy Skeletal Muscle, Healthy Brain: Are Kynurenine Metabolites the Link? awarded by National Institutes of Health 2020 - 2023
- Developing Biomarkers for Traumatic Brain Injury and Alzheimer's Disease via Acoustic Exosome Separation Devices awarded by United States Army Medical Research Acquisition Activity 2018 - 2021
- Sponsored research agreement: UCI awarded by University of California - Irvine 2020 - 2021
- Sponsored research agreement: UCI (DLAR) awarded by University of California - Irvine 2020 - 2021
- Sponsored research agreement: UCI (Macopson) awarded by University of California - Irvine 2020 - 2021
- Efficacy of Nido Drug Compound BF3 in an animal model of SBMA awarded by Nido Biosciences, Inc. 2020 - 2021
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External Relationships
- UCB Pharmaceuticals and its CRO Icon plc
- Publications & Artistic Works
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Selected Publications
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Academic Articles
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Mahajan, Uma V., Vijay R. Varma, Michael E. Griswold, Chad T. Blackshear, Yang An, Anup M. Oommen, Sudhir Varma, et al. “Correction: Dysregulation of multiple metabolic networks related to brain transmethylation and polyamine pathways in Alzheimer disease: A targeted metabolomic and transcriptomic study.” Plos Med 17, no. 10 (October 2020): e1003439. https://doi.org/10.1371/journal.pmed.1003439.Full Text Link to Item
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Anderson, Robert J., Christopher M. Long, Evan D. Calabrese, Scott H. Robertson, G Allan Johnson, Gary P. Cofer, Richard J. O’Brien, and Alexandra Badea. “Optimizing Diffusion Imaging Protocols for Structural Connectomics in Mouse Models of Neurological Conditions.” Front Phys 8 (April 2020). https://doi.org/10.3389/fphy.2020.00088.Full Text Link to Item
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Mahajan, Uma V., Vijay R. Varma, Michael E. Griswold, Chad T. Blackshear, Yang An, Anup M. Oommen, Sudhir Varma, et al. “Dysregulation of multiple metabolic networks related to brain transmethylation and polyamine pathways in Alzheimer disease: A targeted metabolomic and transcriptomic study.” Plos Med 17, no. 1 (January 2020): e1003012. https://doi.org/10.1371/journal.pmed.1003012.Full Text Link to Item
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Hubbard, Robert, Jason Dunthorn, Richard J. O’Brien, Dan Tasch, Uri Tasch, and Steven R. Zeiler. “Evaluating Skilled Prehension in Mice Using an Auto-Trainer.” J Vis Exp, no. 151 (September 12, 2019). https://doi.org/10.3791/59784.Full Text Link to Item
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Bell, W Robert, Yang An, Yusuke Kageyama, Collin English, Gay L. Rudow, Olga Pletnikova, Madhav Thambisetty, et al. “Neuropathologic, genetic, and longitudinal cognitive profiles in primary age-related tauopathy (PART) and Alzheimer's disease.” Alzheimers Dement 15, no. 1 (January 2019): 8–16. https://doi.org/10.1016/j.jalz.2018.07.215.Full Text Link to Item
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Snowden, Stuart G., Amera A. Ebshiana, Abdul Hye, Olga Pletnikova, Richard O’Brien, An Yang, Juan Troncoso, Cristina Legido-Quigley, and Madhav Thambisetty. “Neurotransmitter Imbalance in the Brain and Alzheimer's Disease Pathology.” J Alzheimers Dis 72, no. 1 (2019): 35–43. https://doi.org/10.3233/JAD-190577.Full Text Link to Item
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Li, Kan, Richard O’Brien, Michael Lutz, Sheng Luo, and Sheng Alzheimer’s Disease Neuroimaging Initiative. “A prognostic model of Alzheimer's disease relying on multiple longitudinal measures and time-to-event data.” Alzheimers Dement 14, no. 5 (May 2018): 644–51. https://doi.org/10.1016/j.jalz.2017.11.004.Full Text Open Access Copy Link to Item
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An, Yang, Vijay R. Varma, Sudhir Varma, Ramon Casanova, Eric Dammer, Olga Pletnikova, Chee W. Chia, et al. “Evidence for brain glucose dysregulation in Alzheimer's disease.” Alzheimers Dement 14, no. 3 (March 2018): 318–29. https://doi.org/10.1016/j.jalz.2017.09.011.Full Text Link to Item
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Witoelar, Aree, Iris E. Jansen, Yunpeng Wang, Rahul S. Desikan, J Raphael Gibbs, Cornelis Blauwendraat, Wesley K. Thompson, et al. “Genome-wide Pleiotropy Between Parkinson Disease and Autoimmune Diseases.” Jama Neurol 74, no. 7 (July 1, 2017): 780–92. https://doi.org/10.1001/jamaneurol.2017.0469.Full Text Link to Item
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Chapuis, Julien, Amandine Flaig, Benjamin Grenier-Boley, Fanny Eysert, Virginie Pottiez, Gaspard Deloison, Alexandre Vandeputte, et al. “Genome-wide, high-content siRNA screening identifies the Alzheimer's genetic risk factor FERMT2 as a major modulator of APP metabolism.” Acta Neuropathol 133, no. 6 (June 2017): 955–66. https://doi.org/10.1007/s00401-016-1652-z.Full Text Link to Item
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Ennis, Gilda E., Yang An, Susan M. Resnick, Luigi Ferrucci, Richard J. O’Brien, and Scott D. Moffat. “Long-term cortisol measures predict Alzheimer disease risk.” Neurology 88, no. 4 (January 24, 2017): 371–78. https://doi.org/10.1212/WNL.0000000000003537.Full Text Link to Item
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Varma, V. R., S. Varma, Y. An, T. J. Hohman, S. Seddighi, R. Casanova, A. Beri, et al. “Alpha-2 macroglobulin in Alzheimer's disease: a marker of neuronal injury through the RCAN1 pathway.” Mol Psychiatry 22, no. 1 (January 2017): 13–23. https://doi.org/10.1038/mp.2016.206.Full Text Link to Item
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Zeiler, Steven R., Robert Hubbard, Ellen M. Gibson, Tony Zheng, Kwan Ng, Richard O’Brien, and John W. Krakauer. “Paradoxical Motor Recovery From a First Stroke After Induction of a Second Stroke: Reopening a Postischemic Sensitive Period.” Neurorehabil Neural Repair 30, no. 8 (September 2016): 794–800. https://doi.org/10.1177/1545968315624783.Full Text Link to Item
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Chuang, Y. -. F., Y. An, M. Bilgel, D. F. Wong, J. C. Troncoso, R. J. O’Brien, J. C. Breitner, L. Ferruci, S. M. Resnick, and M. Thambisetty. “Midlife adiposity predicts earlier onset of Alzheimer's dementia, neuropathology and presymptomatic cerebral amyloid accumulation.” Mol Psychiatry 21, no. 7 (July 2016): 910–15. https://doi.org/10.1038/mp.2015.129.Full Text Link to Item
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Soldan, Anja, Corinne Pettigrew, Qing Cai, Mei-Cheng Wang, Abhay R. Moghekar, Richard J. O’Brien, Ola A. Selnes, Marilyn S. Albert, and Marilyn S. BIOCARD Research Team. “Hypothetical Preclinical Alzheimer Disease Groups and Longitudinal Cognitive Change.” Jama Neurol 73, no. 6 (June 1, 2016): 698–705. https://doi.org/10.1001/jamaneurol.2016.0194.Full Text Link to Item
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Pettigrew, Corinne, Anja Soldan, Abhay Moghekar, Mei-Cheng Wang, Alden L. Gross, Richard O’Brien, and Marilyn Albert. “Relationship between cerebrospinal fluid biomarkers of Alzheimer's disease and cognition in cognitively normal older adults.” Neuropsychologia 78 (November 2015): 63–72. https://doi.org/10.1016/j.neuropsychologia.2015.09.024.Full Text Link to Item
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Peters, Marjolein J., Roby Joehanes, Luke C. Pilling, Claudia Schurmann, Karen N. Conneely, Joseph Powell, Eva Reinmaa, et al. “The transcriptional landscape of age in human peripheral blood.” Nat Commun 6 (October 22, 2015): 8570. https://doi.org/10.1038/ncomms9570.Full Text Link to Item
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Ng, Kwan L., Ellen M. Gibson, Robert Hubbard, Juemin Yang, Brian Caffo, Richard J. O’Brien, John W. Krakauer, and Steven R. Zeiler. “Fluoxetine Maintains a State of Heightened Responsiveness to Motor Training Early After Stroke in a Mouse Model.” Stroke 46, no. 10 (October 2015): 2951–60. https://doi.org/10.1161/STROKEAHA.115.010471.Full Text Link to Item
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Resnick, Susan M., Murat Bilgel, Abhay Moghekar, Yang An, Qing Cai, Mei-Cheng Wang, Madhav Thambisetty, et al. “Changes in Aβ biomarkers and associations with APOE genotype in 2 longitudinal cohorts.” Neurobiol Aging 36, no. 8 (August 2015): 2333–39. https://doi.org/10.1016/j.neurobiolaging.2015.04.001.Full Text Link to Item
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Soldan, Anja, Corinne Pettigrew, Yi Lu, Mei-Cheng Wang, Ola Selnes, Marilyn Albert, Timothy Brown, et al. “Relationship of medial temporal lobe atrophy, APOE genotype, and cognitive reserve in preclinical Alzheimer's disease.” Hum Brain Mapp 36, no. 7 (July 2015): 2826–41. https://doi.org/10.1002/hbm.22810.Full Text Link to Item
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Miller, M. I., J. T. Ratnanather, D. J. Tward, T. Brown, D. S. Lee, M. Ketcha, K. Mori, et al. “Network neurodegeneration in Alzheimer's disease via MRI based shape diffeomorphometry and high-field atlasing.” Frontiers in Bioengineering and Biotechnology 3, no. MAY (January 1, 2015). https://doi.org/10.3389/fbioe.2015.00054.Full Text
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Iacono, Diego, Susan M. Resnick, Richard O’Brien, Alan B. Zonderman, Yang An, Olga Pletnikova, Gay Rudow, Barbara Crain, and Juan C. Troncoso. “Mild cognitive impairment and asymptomatic Alzheimer disease subjects: equivalent β-amyloid and tau loads with divergent cognitive outcomes.” J Neuropathol Exp Neurol 73, no. 4 (April 2014): 295–304. https://doi.org/10.1097/NEN.0000000000000052.Full Text Link to Item
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Terracciano, Antonio, Angelina R. Sutin, Yang An, Richard J. O’Brien, Luigi Ferrucci, Alan B. Zonderman, and Susan M. Resnick. “Personality and risk of Alzheimer's disease: new data and meta-analysis.” Alzheimers Dement 10, no. 2 (March 2014): 179–86. https://doi.org/10.1016/j.jalz.2013.03.002.Full Text Link to Item
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Semba, Richard D., Abhay R. Moghekar, Jason Hu, Kai Sun, Randi Turner, Luigi Ferrucci, and Richard O’Brien. “Klotho in the cerebrospinal fluid of adults with and without Alzheimer's disease.” Neurosci Lett 558 (January 13, 2014): 37–40. https://doi.org/10.1016/j.neulet.2013.10.058.Full Text Link to Item
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Soldan, Anja, Corinne Pettigrew, Shanshan Li, Mei-Cheng Wang, Abhay Moghekar, Ola A. Selnes, Marilyn Albert, Richard O’Brien, and Richard BIOCARD Research Team. “Relationship of cognitive reserve and cerebrospinal fluid biomarkers to the emergence of clinical symptoms in preclinical Alzheimer's disease.” Neurobiol Aging 34, no. 12 (December 2013): 2827–34. https://doi.org/10.1016/j.neurobiolaging.2013.06.017.Full Text Link to Item
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Beason-Held, Lori L., Joshua O. Goh, Yang An, Michael A. Kraut, Richard J. O’Brien, Luigi Ferrucci, and Susan M. Resnick. “Changes in brain function occur years before the onset of cognitive impairment.” J Neurosci 33, no. 46 (November 13, 2013): 18008–14. https://doi.org/10.1523/JNEUROSCI.1402-13.2013.Full Text Link to Item
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Moghekar, Abhay, Shanshan Li, Yi Lu, Ming Li, Mei-Cheng Wang, Marilyn Albert, Richard O’Brien, and Richard BIOCARD Research Team. “CSF biomarker changes precede symptom onset of mild cognitive impairment.” Neurology 81, no. 20 (November 12, 2013): 1753–58. https://doi.org/10.1212/01.wnl.0000435558.98447.17.Full Text Link to Item
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Miller, M. I., L. Younes, J. T. Ratnanather, T. Brown, H. Trinh, E. Postell, D. S. Lee, et al. “The diffeomorphometry of temporal lobe structures in preclinical Alzheimer's disease.” Neuroimage: Clinical 3 (October 31, 2013): 352–60. https://doi.org/10.1016/j.nicl.2013.09.001.Full Text
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Thambisetty, Madhav, Lori L. Beason-Held, Yang An, Michael Kraut, Jeffrey Metter, Josephine Egan, Luigi Ferrucci, Richard O’Brien, and Susan M. Resnick. “Impaired glucose tolerance in midlife and longitudinal changes in brain function during aging.” Neurobiol Aging 34, no. 10 (October 2013): 2271–76. https://doi.org/10.1016/j.neurobiolaging.2013.03.025.Full Text Link to Item
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Thambisetty, Madhav, E. Jeffrey Metter, An Yang, Hillary Dolan, Christopher Marano, Alan B. Zonderman, Juan C. Troncoso, et al. “Glucose intolerance, insulin resistance, and pathological features of Alzheimer disease in the Baltimore Longitudinal Study of Aging.” Jama Neurol 70, no. 9 (September 1, 2013): 1167–72. https://doi.org/10.1001/jamaneurol.2013.284.Full Text Link to Item
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Stewart, S. E., D. Yu, J. M. Scharf, B. M. Neale, J. A. Fagerness, C. A. Mathews, P. D. Arnold, et al. “Genome-wide association study of obsessive-compulsive disorder.” Mol Psychiatry 18, no. 7 (July 2013): 788–98. https://doi.org/10.1038/mp.2012.85.Full Text Link to Item
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Liu, Xiaoqian, Zhicheng Jin, Richard O’Brien, Joan Bathon, Harry C. Dietz, Eric Grote, and Jennifer E. Van Eyk. “Constrained selected reaction monitoring: quantification of selected post-translational modifications and protein isoforms.” Methods 61, no. 3 (June 15, 2013): 304–12. https://doi.org/10.1016/j.ymeth.2013.03.006.Full Text Link to Item
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Beydoun, May A., Hind A. Beydoun, Jay S. Kaufman, Yang An, Susan M. Resnick, Richard O’Brien, Luigi Ferrucci, and Alan B. Zonderman. “Apolipoprotein E ε4 allele interacts with sex and cognitive status to influence all-cause and cause-specific mortality in U.S. older adults.” J Am Geriatr Soc 61, no. 4 (April 2013): 525–34. https://doi.org/10.1111/jgs.12156.Full Text Link to Item
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Terracciano, Antonio, Diego Iacono, Richard J. O’Brien, Juan C. Troncoso, Yang An, Angelina R. Sutin, Luigi Ferrucci, Alan B. Zonderman, and Susan M. Resnick. “Personality and resilience to Alzheimer's disease neuropathology: a prospective autopsy study.” Neurobiol Aging 34, no. 4 (April 2013): 1045–50. https://doi.org/10.1016/j.neurobiolaging.2012.08.008.Full Text Link to Item
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Zeiler, Steven R., Ellen M. Gibson, Robert E. Hoesch, Ming Y. Li, Paul F. Worley, Richard J. O’Brien, and John W. Krakauer. “Medial premotor cortex shows a reduction in inhibitory markers and mediates recovery in a mouse model of focal stroke.” Stroke 44, no. 2 (February 2013): 483–89. https://doi.org/10.1161/STROKEAHA.112.676940.Full Text Link to Item
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Pettigrew, Corinne, Anja Soldan, Shanshan Li, Yi Lu, Mei-Cheng Wang, Ola A. Selnes, Abhay Moghekar, Richard O’Brien, Marilyn Albert, and Marilyn The Biocard Research Team. “Relationship of cognitive reserve and APOE status to the emergence of clinical symptoms in preclinical Alzheimer's disease.” Cogn Neurosci 4, no. 3–4 (2013): 136–42. https://doi.org/10.1080/17588928.2013.831820.Full Text Link to Item
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Wendell, Carrington R., Shari R. Waldstein, Luigi Ferrucci, Richard J. O’Brien, James B. Strait, and Alan B. Zonderman. “Carotid atherosclerosis and prospective risk of dementia.” Stroke 43, no. 12 (December 2012): 3319–24. https://doi.org/10.1161/STROKEAHA.112.672527.Full Text Link to Item
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Driscoll, Ira, Juan C. Troncoso, Gay Rudow, Jitka Sojkova, Olga Pletnikova, Yun Zhou, Michael A. Kraut, et al. “Correspondence between in vivo (11)C-PiB-PET amyloid imaging and postmortem, region-matched assessment of plaques.” Acta Neuropathol 124, no. 6 (December 2012): 823–31. https://doi.org/10.1007/s00401-012-1025-1.Full Text Link to Item
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Moghekar, Abhay, Michael Kraut, Wendy Elkins, Juan Troncoso, Alan B. Zonderman, Susan M. Resnick, and Richard J. O’Brien. “Cerebral white matter disease is associated with Alzheimer pathology in a prospective cohort.” Alzheimers Dement 8, no. 5 Suppl (October 2012): S71–77. https://doi.org/10.1016/j.jalz.2012.04.006.Full Text Link to Item
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Hernandez, Dena G., Mike A. Nalls, Matthew Moore, Sean Chong, Allissa Dillman, Daniah Trabzuni, J Raphael Gibbs, et al. “Integration of GWAS SNPs and tissue specific expression profiling reveal discrete eQTLs for human traits in blood and brain.” Neurobiol Dis 47, no. 1 (July 2012): 20–28. https://doi.org/10.1016/j.nbd.2012.03.020.Full Text Link to Item
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Codispoti, Kari-Elise T., Lori L. Beason-Held, Michael A. Kraut, Richard J. O’Brien, Gay Rudow, Olga Pletnikova, Barbara Crain, Juan C. Troncoso, and Susan M. Resnick. “Longitudinal brain activity changes in asymptomatic Alzheimer disease.” Brain Behav 2, no. 3 (May 2012): 221–30. https://doi.org/10.1002/brb3.47.Full Text Link to Item
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Beydoun, May A., Adel Boueiz, Marwan S. Abougergi, Melissa H. Kitner-Triolo, Hind A. Beydoun, Susan M. Resnick, Richard O’Brien, and Alan B. Zonderman. “Sex differences in the association of the apolipoprotein E epsilon 4 allele with incidence of dementia, cognitive impairment, and decline.” Neurobiol Aging 33, no. 4 (April 2012): 720-731.e4. https://doi.org/10.1016/j.neurobiolaging.2010.05.017.Full Text Link to Item
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Moghekar, Abhay, Joshua Goh, Ming Li, Marilyn Albert, and Richard J. O’Brien. “Cerebrospinal fluid Aβ and tau level fluctuation in an older clinical cohort.” Arch Neurol 69, no. 2 (February 2012): 246–50. https://doi.org/10.1001/archneurol.2011.732.Full Text Link to Item
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Moghekar, Abhay, and Richard J. O’Brien. “Con: Alzheimer's disease and circadian dysfunction: chicken or egg?” Alzheimers Res Ther 4, no. 4 (2012): 26. https://doi.org/10.1186/alzrt129.Full Text Link to Item
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Mattsson, Niklas, Ulf Andreasson, Staffan Persson, Hiroyuki Arai, Sat Dev Batish, Sergio Bernardini, Luisella Bocchio-Chiavetto, et al. “The Alzheimer's Association external quality control program for cerebrospinal fluid biomarkers.” Alzheimers Dement 7, no. 4 (July 2011): 386-395.e6. https://doi.org/10.1016/j.jalz.2011.05.2243.Full Text Link to Item
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OBrien, R. J. “Vascular dementia: atherosclerosis, cognition and Alzheimer's disease.” Curr Alzheimer Res 8, no. 4 (June 2011): 341–44. https://doi.org/10.2174/156720511795745267.Full Text Link to Item
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Moghekar, Abhay, Sneha Rao, Ming Li, Dawn Ruben, Andrew Mammen, Xiaopei Tang, and Richard J. O’Brien. “Large quantities of Abeta peptide are constitutively released during amyloid precursor protein metabolism in vivo and in vitro.” J Biol Chem 286, no. 18 (May 6, 2011): 15989–97. https://doi.org/10.1074/jbc.M110.191262.Full Text Link to Item
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Lin, Frank R., E Jeffrey Metter, Richard J. O’Brien, Susan M. Resnick, Alan B. Zonderman, and Luigi Ferrucci. “Hearing loss and incident dementia.” Arch Neurol 68, no. 2 (February 2011): 214–20. https://doi.org/10.1001/archneurol.2010.362.Full Text Link to Item
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Sojkova, Jitka, Ira Driscoll, Diego Iacono, Yun Zhou, Kari-Elise Codispoti, Michael A. Kraut, Luigi Ferrucci, et al. “In vivo fibrillar beta-amyloid detected using [11C]PiB positron emission tomography and neuropathologic assessment in older adults.” Arch Neurol 68, no. 2 (February 2011): 232–40. https://doi.org/10.1001/archneurol.2010.357.Full Text Link to Item
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Okonkwo, Ozioma C., Michelle M. Mielke, H Randall Griffith, Abhay R. Moghekar, Richard J. O’Brien, Leslie M. Shaw, John Q. Trojanowski, Marilyn S. Albert, and Marilyn S. Alzheimer’s Disease Neuroimaging Initiative. “Cerebrospinal fluid profiles and prospective course and outcome in patients with amnestic mild cognitive impairment.” Arch Neurol 68, no. 1 (January 2011): 113–19. https://doi.org/10.1001/archneurol.2010.334.Full Text Link to Item
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O’Brien, Richard J., and Philip C. Wong. “Amyloid precursor protein processing and Alzheimer's disease.” Annu Rev Neurosci 34 (2011): 185–204. https://doi.org/10.1146/annurev-neuro-061010-113613.Full Text Link to Item
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Dolan, David, Juan Troncoso, Susan M. Resnick, Barbara J. Crain, Alan B. Zonderman, and Richard J. O’Brien. “Age, Alzheimer's disease and dementia in the Baltimore Longitudinal Study of Ageing.” Brain 133, no. Pt 8 (August 2010): 2225–31. https://doi.org/10.1093/brain/awq141.Full Text Link to Item
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Dolan, Hillary, Barbara Crain, Juan Troncoso, Susan M. Resnick, Alan B. Zonderman, and Richard J. Obrien. “Atherosclerosis, dementia, and Alzheimer disease in the Baltimore Longitudinal Study of Aging cohort.” Ann Neurol 68, no. 2 (August 2010): 231–40. https://doi.org/10.1002/ana.22055.Full Text Link to Item
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O’Brien, Richard J., Susan M. Resnick, Alan B. Zonderman, Luigi Ferrucci, Barbara J. Crain, Olga Pletnikova, Gay Rudow, et al. “Neuropathologic studies of the Baltimore Longitudinal Study of Aging (BLSA).” J Alzheimers Dis 18, no. 3 (2009): 665–75. https://doi.org/10.3233/JAD-2009-1179.Full Text Link to Item
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Beydoun, May A., April Lhotsky, Youfa Wang, Gloria Dal Forno, Yang An, E Jeffrey Metter, Luigi Ferrucci, Richard O’Brien, and Alan B. Zonderman. “Association of adiposity status and changes in early to mid-adulthood with incidence of Alzheimer's disease.” Am J Epidemiol 168, no. 10 (November 15, 2008): 1179–89. https://doi.org/10.1093/aje/kwn229.Full Text Link to Item
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Troncoso, Juan C., Alan B. Zonderman, Susan M. Resnick, Barbara Crain, Olga Pletnikova, and Richard J. O’Brien. “Effect of infarcts on dementia in the Baltimore longitudinal study of aging.” Ann Neurol 64, no. 2 (August 2008): 168–76. https://doi.org/10.1002/ana.21413.Full Text Link to Item
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Iacono, Diego, Richard O’Brien, Susan M. Resnick, Alan B. Zonderman, Olga Pletnikova, Gay Rudow, Yang An, Mark J. West, Barbara Crain, and Juan C. Troncoso. “Neuronal hypertrophy in asymptomatic Alzheimer disease.” J Neuropathol Exp Neurol 67, no. 6 (June 2008): 578–89. https://doi.org/10.1097/NEN.0b013e3181772794.Full Text Link to Item
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Rudow, Gay, Richard O’Brien, Alena V. Savonenko, Susan M. Resnick, Alan B. Zonderman, Olga Pletnikova, Laura Marsh, et al. “Morphometry of the human substantia nigra in ageing and Parkinson's disease.” Acta Neuropathol 115, no. 4 (April 2008): 461–70. https://doi.org/10.1007/s00401-008-0352-8.Full Text Link to Item
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Riudavets, Miguel Angel, Diego Iacono, Susan M. Resnick, Richard O’Brien, Alan B. Zonderman, Lee J. Martin, Gay Rudow, Olga Pletnikova, and Juan C. Troncoso. “Resistance to Alzheimer's pathology is associated with nuclear hypertrophy in neurons.” Neurobiol Aging 28, no. 10 (October 2007): 1484–92. https://doi.org/10.1016/j.neurobiolaging.2007.05.005.Full Text Link to Item
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O’Brien, R. “Reply from the authors [4].” Neurology 68, no. 20 (May 1, 2007): 1749. https://doi.org/10.1212/01.wnl.0000266745.86958.ce.Full Text
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Rosen, Kenneth M., Abhay Moghekar, and Richard J. O’Brien. “Activity dependent localization of synaptic NMDA receptors in spinal neurons.” Mol Cell Neurosci 34, no. 4 (April 2007): 578–91. https://doi.org/10.1016/j.mcn.2006.12.008.Full Text Link to Item
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Morgan, Melissa D., Michelle M. Mielke, Richard O’Brien, Juan C. Troncoso, Alan B. Zonderman, and Constantine G. Lyketsos. “Rates of depression in individuals with pathologic but not clinical Alzheimer disease are lower than those in individuals without the disease: findings from the Baltimore Longitudinal Study on Aging (BLSA).” Alzheimer Dis Assoc Disord 21, no. 3 (2007): 199–204. https://doi.org/10.1097/WAD.0b013e3181461932.Full Text Link to Item
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Driscoll, Ira, Susan M. Resnick, Juan C. Troncoso, Yang An, Richard O’Brien, and Alan B. Zonderman. “Impact of Alzheimer's pathology on cognitive trajectories in nondemented elderly.” Ann Neurol 60, no. 6 (December 2006): 688–95. https://doi.org/10.1002/ana.21031.Full Text Link to Item
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Gamaldo, A., A. Moghekar, S. Kilada, S. M. Resnick, A. B. Zonderman, and R. O’Brien. “Effect of a clinical stroke on the risk of dementia in a prospective cohort.” Neurology 67, no. 8 (October 24, 2006): 1363–69. https://doi.org/10.1212/01.wnl.0000240285.89067.3f.Full Text Link to Item
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Mikolaenko, Irina, Olga Pletnikova, Claudia H. Kawas, Richard O’Brien, Susan M. Resnick, Barbara Crain, and Juan C. Troncoso. “Alpha-synuclein lesions in normal aging, Parkinson disease, and Alzheimer disease: evidence from the Baltimore Longitudinal Study of Aging (BLSA).” J Neuropathol Exp Neurol 64, no. 2 (February 2005): 156–62. https://doi.org/10.1093/jnen/64.2.156.Full Text Link to Item
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Kilada, Sandy, Alyssa Gamaldo, Elizabeth A. Grant, Abhay Moghekar, John C. Morris, and Richard J. O’Brien. “Brief screening tests for the diagnosis of dementia: comparison with the mini-mental state exam.” Alzheimer Dis Assoc Disord 19, no. 1 (2005): 8–16. https://doi.org/10.1097/01.wad.0000155381.01350.bf.Full Text Link to Item
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Mi, Ruifa, Gek-Ming Sia, Kenneth Rosen, Xiaopei Tang, Abhay Moghekar, John L. Black, Maureen McEnery, Richard L. Huganir, and Richard J. O’Brien. “AMPA receptor-dependent clustering of synaptic NMDA receptors is mediated by Stargazin and NR2A/B in spinal neurons and hippocampal interneurons.” Neuron 44, no. 2 (October 14, 2004): 335–49. https://doi.org/10.1016/j.neuron.2004.09.029.Full Text Link to Item
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Hossain, Mir Ahamed, Juliet C. Russell, Richard O’Brien, and John Laterra. “Neuronal pentraxin 1: a novel mediator of hypoxic-ischemic injury in neonatal brain.” J Neurosci 24, no. 17 (April 28, 2004): 4187–96. https://doi.org/10.1523/JNEUROSCI.0347-04.2004.Full Text Link to Item
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Schlickum, Stephanie, Abhay Moghekar, Jeremy C. Simpson, Cordula Steglich, Richard J. O’Brien, Andreas Winterpacht, and Sabine U. Endele. “LETM1, a gene deleted in Wolf-Hirschhorn syndrome, encodes an evolutionarily conserved mitochondrial protein.” Genomics 83, no. 2 (February 2004): 254–61. https://doi.org/10.1016/j.ygeno.2003.08.013.Full Text Link to Item
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Xu, Desheng, Carsten Hopf, Radhika Reddy, Richard W. Cho, Liping Guo, Anthony Lanahan, Ronald S. Petralia, Robert J. Wenthold, Richard J. O’Brien, and Paul Worley. “Narp and NP1 form heterocomplexes that function in developmental and activity-dependent synaptic plasticity.” Neuron 39, no. 3 (July 31, 2003): 513–28. https://doi.org/10.1016/s0896-6273(03)00463-x.Full Text Link to Item
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Mi, Ruifa, Xiaopei Tang, Ralph Sutter, Desheng Xu, Paul Worley, and Richard J. O’Brien. “Differing mechanisms for glutamate receptor aggregation on dendritic spines and shafts in cultured hippocampal neurons.” J Neurosci 22, no. 17 (September 1, 2002): 7606–16. https://doi.org/10.1523/JNEUROSCI.22-17-07606.2002.Full Text Link to Item
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O’Brien, Richard, Desheng Xu, Ruifa Mi, Xiaopei Tang, Carsten Hopf, and Paul Worley. “Synaptically targeted narp plays an essential role in the aggregation of AMPA receptors at excitatory synapses in cultured spinal neurons.” J Neurosci 22, no. 11 (June 1, 2002): 4487–98. https://doi.org/10.1523/JNEUROSCI.22-11-04487.2002.Full Text Link to Item
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Chaudhry, V., D. R. Cornblath, J. W. Griffin, R. O’Brien, and D. B. Drachman. “Mycophenolate mofetil: a safe and promising immunosuppressant in neuromuscular diseases.” Neurology 56, no. 1 (January 9, 2001): 94–96. https://doi.org/10.1212/wnl.56.1.94.Full Text Link to Item
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O’Brien, R. J., D. Xu, R. S. Petralia, O. Steward, R. L. Huganir, and P. Worley. “Synaptic clustering of AMPA receptors by the extracellular immediate-early gene product Narp.” Neuron 23, no. 2 (June 1999): 309–23. https://doi.org/10.1016/s0896-6273(00)80782-5.Full Text Link to Item
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Chaudhry, V., A. M. Corse, R. O’Brian, D. R. Cornblath, A. S. Klein, and P. J. Thuluvath. “Autonomic and peripheral (sensorimotor) neuropathy in chronic liver disease: a clinical and electrophysiologic study.” Hepatology 29, no. 6 (June 1999): 1698–1703. https://doi.org/10.1002/hep.510290630.Full Text Link to Item
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Bar-Peled, O., R. J. O’Brien, J. H. Morrison, and J. D. Rothstein. “Cultured motor neurons possess calcium-permeable AMPA/kainate receptors.” Neuroreport 10, no. 4 (March 17, 1999): 855–59. https://doi.org/10.1097/00001756-199903170-00034.Full Text Link to Item
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Liao, D., X. Zhang, R. O’Brien, M. D. Ehlers, and R. L. Huganir. “Regulation of morphological postsynaptic silent synapses in developing hippocampal neurons.” Nat Neurosci 2, no. 1 (January 1999): 37–43. https://doi.org/10.1038/4540.Full Text Link to Item
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O’Brien, R. J., S. Kamboj, M. D. Ehlers, K. R. Rosen, G. D. Fischbach, and R. L. Huganir. “Activity-dependent modulation of synaptic AMPA receptor accumulation.” Neuron 21, no. 5 (November 1998): 1067–78. https://doi.org/10.1016/s0896-6273(00)80624-8.Full Text Link to Item
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O’Brien, R. J., L. F. Lau, and R. L. Huganir. “Molecular mechanisms of glutamate receptor clustering at excitatory synapses.” Curr Opin Neurobiol 8, no. 3 (June 1998): 364–69. https://doi.org/10.1016/s0959-4388(98)80062-7.Full Text Link to Item
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Ehlers, M. D., E. T. Fung, R. J. O’Brien, and R. L. Huganir. “Splice variant-specific interaction of the NMDA receptor subunit NR1 with neuronal intermediate filaments.” J Neurosci 18, no. 2 (January 15, 1998): 720–30. https://doi.org/10.1523/JNEUROSCI.18-02-00720.1998.Full Text Link to Item
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Mammen, A. L., R. L. Huganir, and R. J. O’Brien. “Redistribution and stabilization of cell surface glutamate receptors during synapse formation.” J Neurosci 17, no. 19 (October 1, 1997): 7351–58. https://doi.org/10.1523/JNEUROSCI.17-19-07351.1997.Full Text Link to Item
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O’Brien, R. J., A. L. Mammen, S. Blackshaw, M. D. Ehlers, J. D. Rothstein, and R. L. Huganir. “The development of excitatory synapses in cultured spinal neurons.” J Neurosci 17, no. 19 (October 1, 1997): 7339–50. https://doi.org/10.1523/JNEUROSCI.17-19-07339.1997.Full Text Link to Item
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Dong, H., R. J. O’Brien, E. T. Fung, A. A. Lanahan, P. F. Worley, and R. L. Huganir. “GRIP: a synaptic PDZ domain-containing protein that interacts with AMPA receptors.” Nature 386, no. 6622 (March 20, 1997): 279–84. https://doi.org/10.1038/386279a0.Full Text Link to Item
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Brakeman, P. R., A. A. Lanahan, R. O’Brien, K. Roche, C. A. Barnes, R. L. Huganir, and P. F. Worley. “Homer: a protein that selectively binds metabotropic glutamate receptors.” Nature 386, no. 6622 (March 20, 1997): 284–88. https://doi.org/10.1038/386284a0.Full Text Link to Item
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Roche, K. W., R. J. O’Brien, A. L. Mammen, J. Bernhardt, and R. L. Huganir. “Characterization of multiple phosphorylation sites on the AMPA receptor GluR1 subunit.” Neuron 16, no. 6 (June 1996): 1179–88. https://doi.org/10.1016/s0896-6273(00)80144-0.Full Text Link to Item
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O’Brien, R. J., and G. D. Fischbach. “Isolation of embryonic chick motoneurons and their survival in vitro.” J Neurosci 6, no. 11 (November 1986): 3265–74. https://doi.org/10.1523/JNEUROSCI.06-11-03265.1986.Full Text Link to Item
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O’Brien, R. J., and G. D. Fischbach. “Excitatory synaptic transmission between interneurons and motoneurons in chick spinal cord cell cultures.” J Neurosci 6, no. 11 (November 1986): 3284–89. https://doi.org/10.1523/JNEUROSCI.06-11-03284.1986.Full Text Link to Item
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O’Brien, R. J., and G. D. Fischbach. “Modulation of embryonic chick motoneuron glutamate sensitivity by interneurons and agonists.” J Neurosci 6, no. 11 (November 1986): 3290–96. https://doi.org/10.1523/JNEUROSCI.06-11-03290.1986.Full Text Link to Item
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O’Brien, R. J., and G. D. Fischbach. “Characterization of excitatory amino acid receptors expressed by embryonic chick motoneurons in vitro.” J Neurosci 6, no. 11 (November 1986): 3275–83. https://doi.org/10.1523/JNEUROSCI.06-11-03275.1986.Full Text Link to Item
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O’Brien, R. J., J. A. Fox, M. G. Kopczynski, and B. M. Babior. “The mechanism of action of ethanolamine ammonia-lyase, an adenosylcobalamin-dependent enzyme. Evidence that the hydrogen transfer mechanism involves a second intermediate hydrogen carrier in addition to the cofactor.” J Biol Chem 260, no. 30 (December 25, 1985): 16131–36.Link to Item
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Role, L. W., V. R. Matossian, R. J. O’Brien, and G. D. Fischbach. “On the mechanism of acetylcholine receptor accumulation at newly formed synapses on chick myotubes.” J Neurosci 5, no. 8 (August 1985): 2197–2204. https://doi.org/10.1523/JNEUROSCI.05-08-02197.1985.Full Text Link to Item
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Mann, J., R. O’Brien, M. K. Hostetter, C. A. Alper, F. S. Rosen, and B. M. Babior. “The third component of complement: covalent attachment of a radioactive sugar to the labile binding site of C3 via the alternative pathway.” J Immunol 126, no. 6 (June 1981): 2370–72.Link to Item
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Book Sections
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Berkeley, J. L., and R. J. O’Brien. “Neurodegenerative and Movement Disorders.” In Cerebrospinal Fluid in Clinical Practice, 115–19, 2009. https://doi.org/10.1016/B978-141602908-3.50017-0.Full Text
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