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    Jonah Chan, PhD

    TitleAssociate Professor
    SchoolUCSF School of Medicine
    Address675 Nelson Rising Lane
    San Francisco CA 94158
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      Collapse Biography 
      Collapse Education and Training
      University of Illinois Urbana-ChampaignBSBiochemistry
      University of Illinois Urbana-ChampaignPhDNeuroscience
      Stanford UniversityPostdocNeurobiology
      Collapse Awards and Honors
      NMSS2013Barancik Prize
      UCSF2010Debbie and Andy Rachleff Professor of Neurology
      NMSS2009Harry Weaver Neuroscience Award
      Baxter Foundation2006Baxter Foundation Scholar
      NMSS2004Career Transition Award
      NIH2002NRSA Postdoctoral Fellowship
      University of Illinois1994Honors Graduate, Department of Biochemistry
      University of Illinois1994Sidebottom Award for Outstanding Honors Thesis
      Monsanto1993Monsanto Biotechnology Research Award

      Collapse Overview 
      Collapse Overview
      Dr. Jonah R. Chan received his BS in Biochemistry and PhD in Neuroscience at the University of Illinois at Urbana-Champaign. He completed a postdoctoral fellowship in the Department of Neurobiology at Stanford University with Dr. Eric Shooter. Jonah is currently the Debbie and Andy Rachleff Distinguished Professor of Neurology. His laboratory is currently supported by grants from NIH NINDS and the National Multiple Sclerosis Society and has previously been supported by grants from the National Science Foundation, the Christopher and Dana Reeve Foundation, and the Baxter Family Foundation. Dr. Chan is a member of the Neuroscience Program and the MS Research Group at UCSF and serves as an Associate Editor for the Journal of Neuroscience.

      The Chan laboratory has a long-standing interest in fundamental glial/neuronal interactions and the molecular mechanisms that regulate myelination. Myelination is one of the most exquisite examples of cell-cell interaction found in nature and functions to maximize the efficiency and velocity of action potentials transmitted throughout the nervous system. While much has been learned about the global determinants that generate myelin-forming cells during development, the Chan laboratory is particularly interested in understanding how local environmental cues control the spatiotemporal regulation of differentiation and myelination, including both molecular and biophysical interactions. Identification of an environment that is conducive for myelination could have important implications for efforts aimed at promoting repair and remyelination in the nervous system.

      Current Laboratory Members:

      Yun-An A. Shen, MS
      Specialist/Lab Manager

      Stephanie Redmond, BS
      Graduate Student

      Ainhoa Echeverria, PhD
      Postdoctoral Fellow

      Sonia Mayoral, PhD
      Postdoctoral Fellow

      Feng Mei, PhD
      Postdoctoral Fellow

      Kae-Jiun Chang, PhD
      Postdoctoral Fellow

      Lindsay Osso, BS
      Graduate Student

      Collapse ORNG Applications 
      Collapse Featured Publications
      Collapse Websites

      Collapse Bibliographic 
      Collapse Publications
      Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help.
      List All   |   Timeline
      1. Mayoral SR, Chan JR, et al. The environment rules: spatiotemporal regulation of oligodendrocyte differentiation. Curr Opin Neurobiol. 2016 Apr 26; 39:47-52. PMID: 27128881.
        View in: PubMed
      2. Chang KJ, Redmond SA, Chan JR, et al. Remodeling myelination: implications for mechanisms of neural plasticity. Nat Neurosci. 2016 Jan 27; 19(2):190-197. PMID: 26814588.
        View in: PubMed
      3. Tsai HH, Niu J, Munji R, Davalos D, Chang J, Zhang H, Tien AC, Kuo CJ, Chan JR, Daneman R, Fancy SP. Oligodendrocyte precursors migrate along vasculature in the developing nervous system. Science. 2016 Jan 22; 351(6271):379-84. PMID: 26798014.
        View in: PubMed
      4. Hernandez M, Patzig J, Mayoral SR, Costa KD, Chan JR, Casaccia P. Mechanostimulation Promotes Nuclear and Epigenetic Changes in Oligodendrocytes. J Neurosci. 2016 Jan 20; 36(3):806-13. PMID: 26791211.
        View in: PubMed
      5. Osso LA, Chan JR. Astrocytes Underlie Neuroinflammatory Memory Impairment. Cell. 2015 Dec 17; 163(7):1574-6. PMID: 26687350.
        View in: PubMed
      6. Burns ML, Malott TM, Metcalf KJ, Puguh A, Chan JR, Shusta EV, et al. Pro-region engineering for improved yeast display and secretion of brain derived neurotrophic factor. Biotechnol J. 2015 Nov 18. PMID: 26580314.
        View in: PubMed
      7. von Büdingen HC, Mei F, Greenfield A, Jahn S, Shen YA, Reid HH, McKemy DD, Chan JR, et al. The myelin oligodendrocyte glycoprotein directly binds nerve growth factor to modulate central axon circuitry. J Cell Biol. 2015 Sep 7. PMID: 26347141.
        View in: PubMed
      8. Shen YA, Chen Y, Dao DQ, Mayoral SR, Wu L, Meijer D, Ullian EM, Chan JR, Lu QR. Phosphorylation of LKB1/Par-4 establishes Schwann cell polarity to initiate and control myelin extent. Nat Commun. 2014; 5:4991. PMID: 25255972.
        View in: PubMed
      9. Mei F, Fancy SP, Shen YA, Niu J, Zhao C, Presley B, Miao E, Lee S, Mayoral SR, Redmond SA, Etxeberria A, Xiao L, Franklin RJ, Green A, Hauser SL, Chan JR. Micropillar arrays as a high-throughput screening platform for therapeutics in multiple sclerosis. Nat Med. 2014 Aug; 20(8):954-60. PMID: 24997607.
        View in: PubMed
      10. Molofsky AV, Kelley KW, Tsai HH, Redmond SA, Chang SM, Madireddy L, Chan JR, Baranzini SE, Ullian EM, Rowitch DH. Astrocyte-encoded positional cues maintain sensorimotor circuit integrity. Nature. 2014 May 8; 509(7499):189-94. PMID: 24776795; PMCID: PMC4057936.
      11. Hauser SL, Chan JR, Oksenberg JR. Multiple sclerosis: Prospects and promise. Ann Neurol. 2013 Sep; 74(3):317-27. PMID: 23955638.
        View in: PubMed
      12. Mei F, Wang H, Liu S, Niu J, Wang L, He Y, Etxeberria A, Chan JR, Xiao L. Stage-specific deletion of Olig2 conveys opposing functions on differentiation and maturation of oligodendrocytes. J Neurosci. 2013 May 8; 33(19):8454-62. PMID: 23658182; PMCID: PMC3865513.
      13. Lee S, Chong SY, Tuck SJ, Corey JM, Chan JR. A rapid and reproducible assay for modeling myelination by oligodendrocytes using engineered nanofibers. Nat Protoc. 2013 Apr; 8(4):771-82. PMID: 23589937.
        View in: PubMed
      14. Mei F, Christin Chong SY, Chan JR. Myelin-based inhibitors of oligodendrocyte myelination: clues from axonal growth and regeneration. Neurosci Bull. 2013 Apr; 29(2):177-88. PMID: 23516141.
        View in: PubMed
      15. Yu Y, Chen Y, Kim B, Wang H, Zhao C, He X, Liu L, Liu W, Wu LM, Mao M, Chan JR, Wu J, Lu QR. Olig2 targets chromatin remodelers to enhancers to initiate oligodendrocyte differentiation. Cell. 2013 Jan 17; 152(1-2):248-61. PMID: 23332759; PMCID: PMC3553550.
      16. Yamauchi J, Miyamoto Y, Torii T, Takashima S, Kondo K, Kawahara K, Nemoto N, Chan JR, Tsujimoto G, Tanoue A. Phosphorylation of cytohesin-1 by Fyn is required for initiation of myelination and the extent of myelination during development. Sci Signal. 2012 Sep 25; 5(243):ra69. PMID: 23012656.
        View in: PubMed
      17. Lee S, Leach MK, Redmond SA, Chong SY, Mellon SH, Tuck SJ, Feng ZQ, Corey JM, Chan JR. A culture system to study oligodendrocyte myelination processes using engineered nanofibers. Nat Methods. 2012 Sep; 9(9):917-22. PMID: 22796663; PMCID: PMC3433633.
      18. Redmond SA, Chan JR. Neuroscience. Revitalizing remyelination--the answer is circulating. Science. 2012 Apr 13; 336(6078):161-2. PMID: 22499927.
        View in: PubMed
      19. Chong SY, Rosenberg SS, Fancy SP, Zhao C, Shen YA, Hahn AT, McGee AW, Xu X, Zheng B, Zhang LI, Rowitch DH, Franklin RJ, Lu QR, Chan JR. Neurite outgrowth inhibitor Nogo-A establishes spatial segregation and extent of oligodendrocyte myelination. Proc Natl Acad Sci U S A. 2012 Jan 24; 109(4):1299-304. PMID: 22160722; PMCID: PMC3268264.
      20. Tep C, Kim ML, Opincariu LI, Limpert AS, Chan JR, Appel B, Carter BD, Yoon SO. Brain-derived neurotrophic factor (BDNF) induces polarized signaling of small GTPase (Rac1) protein at the onset of Schwann cell myelination through partitioning-defective 3 (Par3) protein. J Biol Chem. 2012 Jan 6; 287(2):1600-8. PMID: 22128191; PMCID: PMC3256919.
      21. Lewallen KA, Shen YA, De la Torre AR, Ng BK, Meijer D, Chan JR. Assessing the role of the cadherin/catenin complex at the Schwann cell-axon interface and in the initiation of myelination. J Neurosci. 2011 Feb 23; 31(8):3032-43. PMID: 21414924; PMCID: PMC3758556.
      22. Fancy SP, Chan JR, Baranzini SE, Franklin RJ, Rowitch DH. Myelin regeneration: a recapitulation of development? Annu Rev Neurosci. 2011; 34:21-43. PMID: 21692657.
        View in: PubMed
      23. Kim YE, Chen J, Langen R, Chan JR. Monitoring apoptosis and neuronal degeneration by real-time detection of phosphatidylserine externalization using a polarity-sensitive indicator of viability and apoptosis. Nat Protoc. 2010 Aug; 5(8):1396-405. PMID: 20671723.
        View in: PubMed
      24. Chong SY, Chan JR. Tapping into the glial reservoir: cells committed to remaining uncommitted. J Cell Biol. 2010 Feb 8; 188(3):305-12. PMID: 20142420; PMCID: PMC2819683.
      25. Kim YE, Chen J, Chan JR, Langen R. Engineering a polarity-sensitive biosensor for time-lapse imaging of apoptotic processes and degeneration. Nat Methods. 2010 Jan; 7(1):67-73. PMID: 19966809; PMCID: PMC2846705.
      26. Hahn AT, Chan JR. A collaboration conducive to conduction: matching axonal density to oligodendroglial number (Commentary on Kawai et al.). Eur J Neurosci. 2009 Dec 3; 30(11):2029. PMID: 20128841.
        View in: PubMed
      27. Rosenberg SS, Chan JR. Modulating myelination: knowing when to say Wnt. Genes Dev. 2009 Jul 1; 23(13):1487-93. PMID: 19571178; PMCID: PMC2725942.
      28. Rosenberg SS, Kelland EE, Tokar E, De la Torre AR, Chan JR. The geometric and spatial constraints of the microenvironment induce oligodendrocyte differentiation. Proc Natl Acad Sci U S A. 2008 Sep 23; 105(38):14662-7. PMID: 18787118; PMCID: PMC2567234.
      29. Yamauchi J, Miyamoto Y, Chan JR, Tanoue A. ErbB2 directly activates the exchange factor Dock7 to promote Schwann cell migration. J Cell Biol. 2008 Apr 21; 181(2):351-65. PMID: 18426980; PMCID: PMC2315680.
      30. Rosenberg SS, Powell BL, Chan JR. Receiving mixed signals: uncoupling oligodendrocyte differentiation and myelination. Cell Mol Life Sci. 2007 Dec; 64(23):3059-68. PMID: 17876524.
        View in: PubMed
      31. Miyamoto Y, Yamauchi J, Chan JR, Okada A, Tomooka Y, Hisanaga S, Tanoue A. Cdk5 regulates differentiation of oligodendrocyte precursor cells through the direct phosphorylation of paxillin. J Cell Sci. 2007 Dec 15; 120(Pt 24):4355-66. PMID: 18042622.
        View in: PubMed
      32. Ng BK, Chen L, Mandemakers W, Cosgaya JM, Chan JR. Anterograde transport and secretion of brain-derived neurotrophic factor along sensory axons promote Schwann cell myelination. J Neurosci. 2007 Jul 11; 27(28):7597-603. PMID: 17626221.
        View in: PubMed
      33. Chan JR. Myelination: all about Rac 'n' roll. J Cell Biol. 2007 Jun 18; 177(6):953-5. PMID: 17576794; PMCID: PMC2064356.
      34. Lee X, Yang Z, Shao Z, Rosenberg SS, Levesque M, Pepinsky RB, Qiu M, Miller RH, Chan JR, Mi S. NGF regulates the expression of axonal LINGO-1 to inhibit oligodendrocyte differentiation and myelination. J Neurosci. 2007 Jan 3; 27(1):220-5. PMID: 17202489.
        View in: PubMed
      35. Chan JR, Jolicoeur C, Yamauchi J, Elliott J, Fawcett JP, Ng BK, Cayouette M. The polarity protein Par-3 directly interacts with p75NTR to regulate myelination. Science. 2006 Nov 3; 314(5800):832-6. PMID: 17082460.
        View in: PubMed
      36. Rosenberg SS, Ng BK, Chan JR. The quest for remyelination: a new role for neurotrophins and their receptors. Brain Pathol. 2006 Oct; 16(4):288-94. PMID: 17107598.
        View in: PubMed
      37. Yamauchi J, Miyamoto Y, Tanoue A, Shooter EM, Chan JR. Ras activation of a Rac1 exchange factor, Tiam1, mediates neurotrophin-3-induced Schwann cell migration. Proc Natl Acad Sci U S A. 2005 Oct 11; 102(41):14889-94. PMID: 16203995; PMCID: PMC1253593.
      38. Yamauchi J, Chan JR, Miyamoto Y, Tsujimoto G, Shooter EM. The neurotrophin-3 receptor TrkC directly phosphorylates and activates the nucleotide exchange factor Dbs to enhance Schwann cell migration. Proc Natl Acad Sci U S A. 2005 Apr 5; 102(14):5198-203. PMID: 15758069; PMCID: PMC556009.
      39. Saxena S, Howe CL, Cosgaya JM, Steiner P, Hirling H, Chan JR, Weis J, Krüttgen A. Differential endocytic sorting of p75NTR and TrkA in response to NGF: a role for late endosomes in TrkA trafficking. Mol Cell Neurosci. 2005 Mar; 28(3):571-87. PMID: 15737746.
        View in: PubMed
      40. Chan JR, Watkins TA, Cosgaya JM, Zhang C, Chen L, Reichardt LF, Shooter EM, Barres BA. NGF controls axonal receptivity to myelination by Schwann cells or oligodendrocytes. Neuron. 2004 Jul 22; 43(2):183-91. PMID: 15260955; PMCID: PMC2758239.
      41. Yamauchi J, Chan JR, Shooter EM. Neurotrophins regulate Schwann cell migration by activating divergent signaling pathways dependent on Rho GTPases. Proc Natl Acad Sci U S A. 2004 Jun 8; 101(23):8774-9. PMID: 15161978; PMCID: PMC423271.
      42. Wu YJ, Krüttgen A, Möller JC, Shine D, Chan JR, Shooter EM, Cosgaya JM. Nerve growth factor, brain-derived neurotrophic factor, and neurotrophin-3 are sorted to dense-core vesicles and released via the regulated pathway in primary rat cortical neurons. J Neurosci Res. 2004 Mar 15; 75(6):825-34. PMID: 14994343.
        View in: PubMed
      43. Ullian EM, Harris BT, Wu A, Chan JR, Barres BA. Schwann cells and astrocytes induce synapse formation by spinal motor neurons in culture. Mol Cell Neurosci. 2004 Feb; 25(2):241-51. PMID: 15019941.
        View in: PubMed
      44. Yamauchi J, Chan JR, Shooter EM. Neurotrophin 3 activation of TrkC induces Schwann cell migration through the c-Jun N-terminal kinase pathway. Proc Natl Acad Sci U S A. 2003 Nov 25; 100(24):14421-6. PMID: 14614136; PMCID: PMC283607.
      45. Cosgaya JM, Chan JR, Shooter EM. The neurotrophin receptor p75NTR as a positive modulator of myelination. Science. 2002 Nov 8; 298(5596):1245-8. PMID: 12424382.
        View in: PubMed
      46. Chan JR, Cosgaya JM, Wu YJ, Shooter EM. Neurotrophins are key mediators of the myelination program in the peripheral nervous system. Proc Natl Acad Sci U S A. 2001 Dec 4; 98(25):14661-8. PMID: 11717413; PMCID: PMC64738.
      47. Chan JR, Rodriguez-Waitkus PM, Ng BK, Liang P, Glaser M. Progesterone synthesized by Schwann cells during myelin formation regulates neuronal gene expression. Mol Biol Cell. 2000 Jul; 11(7):2283-95. PMID: 10888668; PMCID: PMC14919.
      48. Chan JR, Phillips LJ, Glaser M. Glucocorticoids and progestins signal the initiation and enhance the rate of myelin formation. Proc Natl Acad Sci U S A. 1998 Sep 1; 95(18):10459-64. PMID: 9724725; PMCID: PMC27916.
      49. Bilderback TR, Chan JR, Harvey JJ, Glaser M. Measurement of the rate of myelination using a fluorescent analogue of ceramide. J Neurosci Res. 1997 Aug 15; 49(4):497-507. PMID: 9285525.
        View in: PubMed
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