Probing the lithium-response pathway in hiPSCs implicates the phosphoregulatory set-point for a cytoskeletal modulator in bipolar pathogenesis

Brian T.D. Tobe, Andrew M. Crain, Alicia M. Winquist, Barbara Calabrese, Hiroko Makihara, Wen Ning Zhao, Jasmin Lalonde, Haruko Nakamura, Glenn Konopaske, Michelle Sidor, Cameron D. Pernia, Naoya Yamashita, Moyuka Wada, Yuuka Inoue, Fumio Nakamura, Steven D. Sheridan, Ryan W. Logan, Michael Brandel, Dongmei Wu, Joshua Hunsberger & 31 others Laurel Dorsett, Cordulla Duerr, Ranor C.B. Basa, Michael J. McCarthy, Namrata D. Udeshi, Philipp Mertins, Steven A. Carr, Guy A. Rouleau, Lina Mastrangelo, Jianxue Li, Gustavo J. Gutierrez, Laurence M. Brill, Nikolaos Venizelos, Guang Chen, Jeffrey S. Nye, Husseini Manji, Jeffrey H. Price, Colleen A. McClungk, Hagop S. Akiskal, Martin Alda, De Maw M. Chuang, Joseph T. Coyle, Yang Liua, Yang D. Teng, Toshio Ohshima, Katsuhiko Mikoshiba, Richard L. Sidman, Shelley Halpain, Stephen J. Haggarty, Yoshio Goshima, Evan Y. Snyder

    Research output: Contribution to journalArticle

    33 Citations (Scopus)

    Abstract

    The molecular pathogenesis of bipolar disorder (BPD) is poorly understood. Using human-induced pluripotent stem cells (hiPSCs) to unravel such mechanisms in polygenic diseases is generally challenging. However, hiPSCs from BPD patients responsive to lithium offered unique opportunities to discern lithium's target and hence gain molecular insight into BPD. By profiling the proteomics of BDP-hiPSCderived neurons, we found that lithium alters the phosphorylation state of collapsin response mediator protein-2 (CRMP2). Active nonphosphorylated CRMP2, which binds cytoskeleton, is present throughout the neuron; inactive phosphorylated CRMP2, which dissociates from cytoskeleton, exits dendritic spines. CRMP2 elimination yields aberrant dendritogenesis with diminished spine density and lost lithium responsiveness (LiR). The "set-point" for the ratio of pCRMP2:CRMP2 is elevated uniquely in hiPSC-derived neurons from LiR BPD patients, but not with other psychiatric (including lithium-nonresponsive BPD) and neurological disorders. Lithium (and other pathway modulators) lowers pCRMP2, increasing spine area and density. Human BPD brains show similarly elevated ratios and diminished spine densities; lithium therapy normalizes the ratios and spines. Consistent with such "spine-opathies," human LiR BPD neurons with abnormal ratios evince abnormally steep slopes for calcium flux; lithium normalizes both. Behaviorally, transgenic mice that reproduce lithium's postulated site-of-action in dephosphorylating CRMP2 emulate LiR in BPD. These data suggest that the "lithium response pathway" in BPD governs CRMP2's phosphorylation, which regulates cytoskeletal organization, particularly in spines, modulating neural networks. Aberrations in the posttranslational regulation of this developmentally critical molecule may underlie LiR BPD pathogenesis. Instructively, examining the proteomic profile in hiPSCs of a functional agent-even one whose mechanism-of-action is unknown-might reveal otherwise inscrutable intracellular pathogenic pathways.

    Original languageEnglish
    Pages (from-to)E4462-E4471
    JournalProceedings of the National Academy of Sciences of the United States of America
    Volume114
    Issue number22
    DOIs
    Publication statusPublished - 2017 May 30

    Fingerprint

    Induced Pluripotent Stem Cells
    Lithium
    Bipolar Disorder
    Spine
    Neurons
    Cytoskeleton
    Proteomics
    Phosphorylation
    Dendritic Spines
    Nervous System Diseases
    Transgenic Mice

    Keywords

    • CRMP2
    • Dendrites
    • Posttranslational modification
    • Proteomics
    • Psychiatric disease modeling

    ASJC Scopus subject areas

    • General

    Cite this

    Probing the lithium-response pathway in hiPSCs implicates the phosphoregulatory set-point for a cytoskeletal modulator in bipolar pathogenesis. / Tobe, Brian T.D.; Crain, Andrew M.; Winquist, Alicia M.; Calabrese, Barbara; Makihara, Hiroko; Zhao, Wen Ning; Lalonde, Jasmin; Nakamura, Haruko; Konopaske, Glenn; Sidor, Michelle; Pernia, Cameron D.; Yamashita, Naoya; Wada, Moyuka; Inoue, Yuuka; Nakamura, Fumio; Sheridan, Steven D.; Logan, Ryan W.; Brandel, Michael; Wu, Dongmei; Hunsberger, Joshua; Dorsett, Laurel; Duerr, Cordulla; Basa, Ranor C.B.; McCarthy, Michael J.; Udeshi, Namrata D.; Mertins, Philipp; Carr, Steven A.; Rouleau, Guy A.; Mastrangelo, Lina; Li, Jianxue; Gutierrez, Gustavo J.; Brill, Laurence M.; Venizelos, Nikolaos; Chen, Guang; Nye, Jeffrey S.; Manji, Husseini; Price, Jeffrey H.; McClungk, Colleen A.; Akiskal, Hagop S.; Alda, Martin; Chuang, De Maw M.; Coyle, Joseph T.; Liua, Yang; Teng, Yang D.; Ohshima, Toshio; Mikoshiba, Katsuhiko; Sidman, Richard L.; Halpain, Shelley; Haggarty, Stephen J.; Goshima, Yoshio; Snyder, Evan Y.

    In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 114, No. 22, 30.05.2017, p. E4462-E4471.

    Research output: Contribution to journalArticle

    Tobe, BTD, Crain, AM, Winquist, AM, Calabrese, B, Makihara, H, Zhao, WN, Lalonde, J, Nakamura, H, Konopaske, G, Sidor, M, Pernia, CD, Yamashita, N, Wada, M, Inoue, Y, Nakamura, F, Sheridan, SD, Logan, RW, Brandel, M, Wu, D, Hunsberger, J, Dorsett, L, Duerr, C, Basa, RCB, McCarthy, MJ, Udeshi, ND, Mertins, P, Carr, SA, Rouleau, GA, Mastrangelo, L, Li, J, Gutierrez, GJ, Brill, LM, Venizelos, N, Chen, G, Nye, JS, Manji, H, Price, JH, McClungk, CA, Akiskal, HS, Alda, M, Chuang, DMM, Coyle, JT, Liua, Y, Teng, YD, Ohshima, T, Mikoshiba, K, Sidman, RL, Halpain, S, Haggarty, SJ, Goshima, Y & Snyder, EY 2017, 'Probing the lithium-response pathway in hiPSCs implicates the phosphoregulatory set-point for a cytoskeletal modulator in bipolar pathogenesis', Proceedings of the National Academy of Sciences of the United States of America, vol. 114, no. 22, pp. E4462-E4471. https://doi.org/10.1073/pnas.1700111114
    Tobe, Brian T.D. ; Crain, Andrew M. ; Winquist, Alicia M. ; Calabrese, Barbara ; Makihara, Hiroko ; Zhao, Wen Ning ; Lalonde, Jasmin ; Nakamura, Haruko ; Konopaske, Glenn ; Sidor, Michelle ; Pernia, Cameron D. ; Yamashita, Naoya ; Wada, Moyuka ; Inoue, Yuuka ; Nakamura, Fumio ; Sheridan, Steven D. ; Logan, Ryan W. ; Brandel, Michael ; Wu, Dongmei ; Hunsberger, Joshua ; Dorsett, Laurel ; Duerr, Cordulla ; Basa, Ranor C.B. ; McCarthy, Michael J. ; Udeshi, Namrata D. ; Mertins, Philipp ; Carr, Steven A. ; Rouleau, Guy A. ; Mastrangelo, Lina ; Li, Jianxue ; Gutierrez, Gustavo J. ; Brill, Laurence M. ; Venizelos, Nikolaos ; Chen, Guang ; Nye, Jeffrey S. ; Manji, Husseini ; Price, Jeffrey H. ; McClungk, Colleen A. ; Akiskal, Hagop S. ; Alda, Martin ; Chuang, De Maw M. ; Coyle, Joseph T. ; Liua, Yang ; Teng, Yang D. ; Ohshima, Toshio ; Mikoshiba, Katsuhiko ; Sidman, Richard L. ; Halpain, Shelley ; Haggarty, Stephen J. ; Goshima, Yoshio ; Snyder, Evan Y. / Probing the lithium-response pathway in hiPSCs implicates the phosphoregulatory set-point for a cytoskeletal modulator in bipolar pathogenesis. In: Proceedings of the National Academy of Sciences of the United States of America. 2017 ; Vol. 114, No. 22. pp. E4462-E4471.
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    abstract = "The molecular pathogenesis of bipolar disorder (BPD) is poorly understood. Using human-induced pluripotent stem cells (hiPSCs) to unravel such mechanisms in polygenic diseases is generally challenging. However, hiPSCs from BPD patients responsive to lithium offered unique opportunities to discern lithium's target and hence gain molecular insight into BPD. By profiling the proteomics of BDP-hiPSCderived neurons, we found that lithium alters the phosphorylation state of collapsin response mediator protein-2 (CRMP2). Active nonphosphorylated CRMP2, which binds cytoskeleton, is present throughout the neuron; inactive phosphorylated CRMP2, which dissociates from cytoskeleton, exits dendritic spines. CRMP2 elimination yields aberrant dendritogenesis with diminished spine density and lost lithium responsiveness (LiR). The {"}set-point{"} for the ratio of pCRMP2:CRMP2 is elevated uniquely in hiPSC-derived neurons from LiR BPD patients, but not with other psychiatric (including lithium-nonresponsive BPD) and neurological disorders. Lithium (and other pathway modulators) lowers pCRMP2, increasing spine area and density. Human BPD brains show similarly elevated ratios and diminished spine densities; lithium therapy normalizes the ratios and spines. Consistent with such {"}spine-opathies,{"} human LiR BPD neurons with abnormal ratios evince abnormally steep slopes for calcium flux; lithium normalizes both. Behaviorally, transgenic mice that reproduce lithium's postulated site-of-action in dephosphorylating CRMP2 emulate LiR in BPD. These data suggest that the {"}lithium response pathway{"} in BPD governs CRMP2's phosphorylation, which regulates cytoskeletal organization, particularly in spines, modulating neural networks. Aberrations in the posttranslational regulation of this developmentally critical molecule may underlie LiR BPD pathogenesis. Instructively, examining the proteomic profile in hiPSCs of a functional agent-even one whose mechanism-of-action is unknown-might reveal otherwise inscrutable intracellular pathogenic pathways.",
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    AU - Tobe, Brian T.D.

    AU - Crain, Andrew M.

    AU - Winquist, Alicia M.

    AU - Calabrese, Barbara

    AU - Makihara, Hiroko

    AU - Zhao, Wen Ning

    AU - Lalonde, Jasmin

    AU - Nakamura, Haruko

    AU - Konopaske, Glenn

    AU - Sidor, Michelle

    AU - Pernia, Cameron D.

    AU - Yamashita, Naoya

    AU - Wada, Moyuka

    AU - Inoue, Yuuka

    AU - Nakamura, Fumio

    AU - Sheridan, Steven D.

    AU - Logan, Ryan W.

    AU - Brandel, Michael

    AU - Wu, Dongmei

    AU - Hunsberger, Joshua

    AU - Dorsett, Laurel

    AU - Duerr, Cordulla

    AU - Basa, Ranor C.B.

    AU - McCarthy, Michael J.

    AU - Udeshi, Namrata D.

    AU - Mertins, Philipp

    AU - Carr, Steven A.

    AU - Rouleau, Guy A.

    AU - Mastrangelo, Lina

    AU - Li, Jianxue

    AU - Gutierrez, Gustavo J.

    AU - Brill, Laurence M.

    AU - Venizelos, Nikolaos

    AU - Chen, Guang

    AU - Nye, Jeffrey S.

    AU - Manji, Husseini

    AU - Price, Jeffrey H.

    AU - McClungk, Colleen A.

    AU - Akiskal, Hagop S.

    AU - Alda, Martin

    AU - Chuang, De Maw M.

    AU - Coyle, Joseph T.

    AU - Liua, Yang

    AU - Teng, Yang D.

    AU - Ohshima, Toshio

    AU - Mikoshiba, Katsuhiko

    AU - Sidman, Richard L.

    AU - Halpain, Shelley

    AU - Haggarty, Stephen J.

    AU - Goshima, Yoshio

    AU - Snyder, Evan Y.

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    N2 - The molecular pathogenesis of bipolar disorder (BPD) is poorly understood. Using human-induced pluripotent stem cells (hiPSCs) to unravel such mechanisms in polygenic diseases is generally challenging. However, hiPSCs from BPD patients responsive to lithium offered unique opportunities to discern lithium's target and hence gain molecular insight into BPD. By profiling the proteomics of BDP-hiPSCderived neurons, we found that lithium alters the phosphorylation state of collapsin response mediator protein-2 (CRMP2). Active nonphosphorylated CRMP2, which binds cytoskeleton, is present throughout the neuron; inactive phosphorylated CRMP2, which dissociates from cytoskeleton, exits dendritic spines. CRMP2 elimination yields aberrant dendritogenesis with diminished spine density and lost lithium responsiveness (LiR). The "set-point" for the ratio of pCRMP2:CRMP2 is elevated uniquely in hiPSC-derived neurons from LiR BPD patients, but not with other psychiatric (including lithium-nonresponsive BPD) and neurological disorders. Lithium (and other pathway modulators) lowers pCRMP2, increasing spine area and density. Human BPD brains show similarly elevated ratios and diminished spine densities; lithium therapy normalizes the ratios and spines. Consistent with such "spine-opathies," human LiR BPD neurons with abnormal ratios evince abnormally steep slopes for calcium flux; lithium normalizes both. Behaviorally, transgenic mice that reproduce lithium's postulated site-of-action in dephosphorylating CRMP2 emulate LiR in BPD. These data suggest that the "lithium response pathway" in BPD governs CRMP2's phosphorylation, which regulates cytoskeletal organization, particularly in spines, modulating neural networks. Aberrations in the posttranslational regulation of this developmentally critical molecule may underlie LiR BPD pathogenesis. Instructively, examining the proteomic profile in hiPSCs of a functional agent-even one whose mechanism-of-action is unknown-might reveal otherwise inscrutable intracellular pathogenic pathways.

    AB - The molecular pathogenesis of bipolar disorder (BPD) is poorly understood. Using human-induced pluripotent stem cells (hiPSCs) to unravel such mechanisms in polygenic diseases is generally challenging. However, hiPSCs from BPD patients responsive to lithium offered unique opportunities to discern lithium's target and hence gain molecular insight into BPD. By profiling the proteomics of BDP-hiPSCderived neurons, we found that lithium alters the phosphorylation state of collapsin response mediator protein-2 (CRMP2). Active nonphosphorylated CRMP2, which binds cytoskeleton, is present throughout the neuron; inactive phosphorylated CRMP2, which dissociates from cytoskeleton, exits dendritic spines. CRMP2 elimination yields aberrant dendritogenesis with diminished spine density and lost lithium responsiveness (LiR). The "set-point" for the ratio of pCRMP2:CRMP2 is elevated uniquely in hiPSC-derived neurons from LiR BPD patients, but not with other psychiatric (including lithium-nonresponsive BPD) and neurological disorders. Lithium (and other pathway modulators) lowers pCRMP2, increasing spine area and density. Human BPD brains show similarly elevated ratios and diminished spine densities; lithium therapy normalizes the ratios and spines. Consistent with such "spine-opathies," human LiR BPD neurons with abnormal ratios evince abnormally steep slopes for calcium flux; lithium normalizes both. Behaviorally, transgenic mice that reproduce lithium's postulated site-of-action in dephosphorylating CRMP2 emulate LiR in BPD. These data suggest that the "lithium response pathway" in BPD governs CRMP2's phosphorylation, which regulates cytoskeletal organization, particularly in spines, modulating neural networks. Aberrations in the posttranslational regulation of this developmentally critical molecule may underlie LiR BPD pathogenesis. Instructively, examining the proteomic profile in hiPSCs of a functional agent-even one whose mechanism-of-action is unknown-might reveal otherwise inscrutable intracellular pathogenic pathways.

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