Jonathan Picker

Jonathan Picker, MD, PhD

Assistant in Medicine Director, Fragile X Program

Instructor, Harvard Medical School

    Contact: 617-355-4697

  • Fax: 617-730-0466

Medical Services

Specialties

  • Psychiatric Genetics
  • Fragile X Syndrome
  • Genetics
  • Dysmorphology

Departments

  • Genetics and Genomics
  • Psychiatry

Programs

  • Genetics Program
  • Bone Marrow Failure Program
  • Fragile X Program
  • Rett Syndrome Program
To schedule an appointment: Call 617-355-4697

Experience and Education

Education

Medical School

Aberdeen University, 1982-88

Graduate School

Newcastle University - Molecular Biology, 1993-1998

Internship

Salford Royal Hospital - Surgery,

Manchester, UK

Internship

Noble's Hospital - Medicine,

Douglas, Isle of Man

Residency

Newcastle University - Pediatrics,

Fellowship

Harvard Genetics Program,

Boston, Ma

Fellowship

Boston Children's Hospital - Psychiatry,

Boston, Ma

Certifications

  • Clinical Genetics

Research

Biology of fragile X syndrome
Genetics of schizophrenia
Effect of homocysteine on neurodevelopment

Publications

Publications powered by Harvard Catalyst Profiles
  1. Zou F, McWalter K, Schmidt L, Decker A, Picker JD, Lincoln S, Sweetser DA, Briere LC, Harini C, Marsh E, Medne L, Wang RY, Leydiker K, Mower A, Visser G, Cuppen I, van Gassen KL, van der Smagt J, Yousaf A, Tennison M, Shanmugham A, Butler E, Richard G, McKnight D. Expanding the phenotypic spectrum of GABRG2 variants: a recurrent GABRG2 missense variant associated with a severe phenotype. J Neurogenet. 2017 Mar - Jun; 31(1-2):30-36.
  2. Rodan LH, Cohen J, Fatemi A, Gillis T, Lucente D, Gusella J, Picker JD. A novel neurodevelopmental disorder associated with compound heterozygous variants in the huntingtin gene. Eur J Hum Genet. 2016 Dec; 24(12):1833.
  3. Rodan LH, Cohen J, Fatemi A, Gillis T, Lucente D, Gusella J, Picker JD. A novel neurodevelopmental disorder associated with compound heterozygous variants in the huntingtin gene. Eur J Hum Genet. 2016 Dec; 24(12):1826-1827.
  4. Srivastava S, Olson HE, Cohen JS, Gubbels CS, Lincoln S, Davis BT, Shahmirzadi L, Gupta S, Picker J, Yu TW, Miller DT, Soul JS, Poretti A, Naidu S. BRAT1 mutations present with a spectrum of clinical severity. Am J Med Genet A. 2016 Sep; 170(9):2265-73.
  5. Oberman LM, Ifert-Miller F, Najib U, Bashir S, Heydrich JG, Picker J, Rotenberg A, Pascual-Leone A. Abnormal Mechanisms of Plasticity and Metaplasticity in Autism Spectrum Disorders and Fragile X Syndrome. J Child Adolesc Psychopharmacol. 2016 Sep; 26(7):617-24.
  6. Okur V, Cho MT, Henderson L, Retterer K, Schneider M, Sattler S, Niyazov D, Azage M, Smith S, Picker J, Lincoln S, Tarnopolsky M, Brady L, Bjornsson HT, Applegate C, Dameron A, Willaert R, Baskin B, Juusola J, Chung WK. De novo mutations in CSNK2A1 are associated with neurodevelopmental abnormalities and dysmorphic features. Hum Genet. 2016 Jul; 135(7):699-705.
  7. Brownstein CA, Kleiman RJ, Engle EC, Towne MC, D'Angelo EJ, Yu TW, Beggs AH, Picker J, Fogler JM, Carroll D, Schmitt RC, Wolff RR, Shen Y, Lip V, Bilguvar K, Kim A, Tembulkar S, O'Donnell K, Gonzalez-Heydrich J. Overlapping 16p13.11 deletion and gain of copies variations associated with childhood onset psychosis include genes with mechanistic implications for autism associated pathways: Two case reports. Am J Med Genet A. 2016 May; 170A(5):1165-73.
  8. Brownstein CA, Beggs AH, Rodan L, Shi J, Towne MC, Pelletier R, Cao S, Rosenberg PA, Urion DK, Picker J, Tan WH, Agrawal PB. Clinical heterogeneity associated with KCNA1 mutations include cataplexy and nonataxic presentations. Neurogenetics. 2016 Jan; 17(1):11-6.
  9. Gil-Rodríguez MC, Deardorff MA, Ansari M, Tan CA, Parenti I, Baquero-Montoya C, Ousager LB, Puisac B, Hernández-Marcos M, Teresa-Rodrigo ME, Marcos-Alcalde I, Wesselink JJ, Lusa-Bernal S, Bijlsma EK, Braunholz D, Bueno-Martinez I, Clark D, Cooper NS, Curry CJ, Fisher R, Fryer A, Ganesh J, Gervasini C, Gillessen-Kaesbach G, Guo Y, Hakonarson H, Hopkin RJ, Kaur M, Keating BJ, Kibaek M, Kinning E, Kleefstra T, Kline AD, Kuchinskaya E, Larizza L, Li YR, Liu X, Mariani M, Picker JD, Pié Á, Pozojevic J, Queralt E, Richer J, Roeder E, Sinha A, Scott RH, So J, Wusik KA, Wilson L, Zhang J, Gómez-Puertas P, Casale CH, Ström L, Selicorni A, Ramos FJ, Jackson LG, Krantz ID, Das S, Hennekam RC, Kaiser FJ, FitzPatrick DR, Pié J. De novo heterozygous mutations in SMC3 cause a range of Cornelia de Lange syndrome-overlapping phenotypes. Hum Mutat. 2015 Apr; 36(4):454-62.
  10. Thaker VV, Esteves KM, Towne MC, Brownstein CA, James PM, Crowley L, Hirschhorn JN, Elsea SH, Beggs AH, Picker J, Agrawal PB. Whole exome sequencing identifies RAI1 mutation in a morbidly obese child diagnosed with ROHHAD syndrome. J Clin Endocrinol Metab. 2015 May; 100(5):1723-30.
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  11. Geng J, Picker J, Zheng Z, Zhang X, Wang J, Hisama F, Brown DW, Mullen MP, Harris D, Stoler J, Seman A, Miller DT, Fu Q, Roberts AE, Shen Y. Chromosome microarray testing for patients with congenital heart defects reveals novel disease causing loci and high diagnostic yield. BMC Genomics. 2014 Dec 17; 15:1127.
  12. Heard TT, Ramgopal S, Picker J, Lincoln SA, Rotenberg A, Kothare SV. EEG abnormalities and seizures in genetically diagnosed Fragile X syndrome. Int J Dev Neurosci. 2014 Nov; 38:155-60.
  13. Picker JD, Walsh CA. New innovations: therapeutic opportunities for intellectual disabilities. Ann Neurol. 2013 Sep; 74(3):382-90.
  14. McLaughlin HM, Kelly MA, Hawley PP, Darras BT, Funke B, Picker J. Compound heterozygosity of predicted loss-of-function DES variants in a family with recessive desminopathy. BMC Med Genet. 2013 Jul 02; 14:68.
  15. Talkowski ME, Ordulu Z, Pillalamarri V, Benson CB, Blumenthal I, Connolly S, Hanscom C, Hussain N, Pereira S, Picker J, Rosenfeld JA, Shaffer LG, Wilkins-Haug LE, Gusella JF, Morton CC. Clinical diagnosis by whole-genome sequencing of a prenatal sample. N Engl J Med. 2012 Dec 06; 367(23):2226-32.
  16. Abrams L, Cronister A, Brown WT, Tassone F, Sherman SL, Finucane B, McConkie-Rosell A, Hagerman R, Kaufmann WE, Picker J, Coffey S, Skinner D, Johnson V, Miller R, Berry-Kravis E. Newborn, carrier, and early childhood screening recommendations for fragile X. Pediatrics. 2012 Dec; 130(6):1126-35.
  17. Poduri A, Chopra SS, Neilan EG, Elhosary PC, Kurian MA, Meyer E, Barry BJ, Khwaja OS, Salih MA, Stödberg T, Scheffer IE, Maher ER, Sahin M, Wu BL, Berry GT, Walsh CA, Picker J, Kothare SV. Homozygous PLCB1 deletion associated with malignant migrating partial seizures in infancy. Epilepsia. 2012 Aug; 53(8):e146-50.
  18. Schaevitz LR, Picker JD, Rana J, Kolodny NH, Shane B, Berger-Sweeney JE, Coyle JT. Glutamate carboxypeptidase II and folate deficiencies result in reciprocal protection against cognitive and social deficits in mice: implications for neurodevelopmental disorders. Dev Neurobiol. 2012 Jun; 72(6):891-905.
  19. Coulter ME, Miller DT, Harris DJ, Hawley P, Picker J, Roberts AE, Sobeih MM, Irons M. Chromosomal microarray testing influences medical management. Genet Med. 2011 Sep; 13(9):770-6.
  20. Yu HE, Hawash K, Picker J, Stoler J, Urion D, Wu BL, Shen Y. A recurrent 1.71 Mb genomic imbalance at 2q13 increases the risk of developmental delay and dysmorphism. Clin Genet. 2012 Mar; 81(3):257-64.
  21. Dauber A, Hirschhorn JN, Picker J, Maher TA, Milunsky A. Delayed puberty due to a novel mutation in CHD7 causing CHARGE syndrome. Pediatrics. 2010 Dec; 126(6):e1594-8.
  22. Oberman L, Ifert-Miller F, Najib U, Bashir S, Woollacott I, Gonzalez-Heydrich J, Picker J, Rotenberg A, Pascual-Leone A. Transcranial magnetic stimulation provides means to assess cortical plasticity and excitability in humans with fragile x syndrome and autism spectrum disorder. Front Synaptic Neurosci. 2010; 2:26.
  23. Ching MS, Shen Y, Tan WH, Jeste SS, Morrow EM, Chen X, Mukaddes NM, Yoo SY, Hanson E, Hundley R, Austin C, Becker RE, Berry GT, Driscoll K, Engle EC, Friedman S, Gusella JF, Hisama FM, Irons MB, Lafiosca T, LeClair E, Miller DT, Neessen M, Picker JD, Rappaport L, Rooney CM, Sarco DP, Stoler JM, Walsh CA, Wolff RR, Zhang T, Nasir RH, Wu BL. Deletions of NRXN1 (neurexin-1) predispose to a wide spectrum of developmental disorders. Am J Med Genet B Neuropsychiatr Genet. 2010 Jun 05; 153B(4):937-47.
  24. Datta A, Picker J, Rotenberg A. Trisomy 8 mosaicism and favorable outcome after treatment of infantile spasms: case report. J Child Neurol. 2010 Oct; 25(10):1275-7.
  25. Shen Y, Dies KA, Holm IA, Bridgemohan C, Sobeih MM, Caronna EB, Miller KJ, Frazier JA, Silverstein I, Picker J, Weissman L, Raffalli P, Jeste S, Demmer LA, Peters HK, Brewster SJ, Kowalczyk SJ, Rosen-Sheidley B, McGowan C, Duda AW, Lincoln SA, Lowe KR, Schonwald A, Robbins M, Hisama F, Wolff R, Becker R, Nasir R, Urion DK, Milunsky JM, Rappaport L, Gusella JF, Walsh CA, Wu BL, Miller DT. Clinical genetic testing for patients with autism spectrum disorders. Pediatrics. 2010 Apr; 125(4):e727-35.
  26. Han L, Picker JD, Schaevitz LR, Tsai G, Feng J, Jiang Z, Chu HC, Basu AC, Berger-Sweeney J, Coyle JT. Phenotypic characterization of mice heterozygous for a null mutation of glutamate carboxypeptidase II. Synapse. 2009 Aug; 63(8):625-35.
  27. Hagerman RJ, Berry-Kravis E, Kaufmann WE, Ono MY, Tartaglia N, Lachiewicz A, Kronk R, Delahunty C, Hessl D, Visootsak J, Picker J, Gane L, Tranfaglia M. Advances in the treatment of fragile X syndrome. Pediatrics. 2009 Jan; 123(1):378-90.
  28. Ou Z, Berg JS, Yonath H, Enciso VB, Miller DT, Picker J, Lenzi T, Keegan CE, Sutton VR, Belmont J, Chinault AC, Lupski JR, Cheung SW, Roeder E, Patel A. Microduplications of 22q11.2 are frequently inherited and are associated with variable phenotypes. Genet Med. 2008 Apr; 10(4):267-77.
  29. Lawson-Yuen A, Saldivar JS, Sommer S, Picker J. Familial deletion within NLGN4 associated with autism and Tourette syndrome. Eur J Hum Genet. 2008 May; 16(5):614-8.
  30. Lawson-Yuen A, Liu D, Han L, Jiang ZI, Tsai GE, Basu AC, Picker J, Feng J, Coyle JT. Ube3a mRNA and protein expression are not decreased in Mecp2R168X mutant mice. Brain Res. 2007 Nov 14; 1180:1-6.
  31. Picker JD, Yang R, Ricceri L, Berger-Sweeney J. An altered neonatal behavioral phenotype in Mecp2 mutant mice. Neuroreport. 2006 Apr 03; 17(5):541-4.
  32. Alkuraya FS, Picker J, Irons MB, Kimonis VE. Smith-Lemli-Opitz syndrome in trisomy 13: how does the mix work? Birth Defects Res A Clin Mol Teratol. 2005 Aug; 73(8):569-71.
  33. Picker JD, Coyle JT. Do maternal folate and homocysteine levels play a role in neurodevelopmental processes that increase risk for schizophrenia? Harv Rev Psychiatry. 2005 Jul-Aug; 13(4):197-205.
  34. Picker JD & Coyle JT . Do maternal folate and homocysteine levels play a role in neurodevelopmental processes which may relate to schizophrenia genesis. Harvard Review of Psychiatry. 2005; 13(4):197-205.
  35. Picker JD, Levy HL. . Homocystinuria. In: Genereviews at Genetests. 2003.
  36. Picker JD, Puga AC, Levy HL, Marsden D, Shih VE, Degirolami U, Ligon KL, Cederbaum SD, Kern RM, Cox GF. Arginase deficiency with lethal neonatal expression: evidence for the glutamine hypothesis of cerebral edema. J Pediatr. 2003 Mar; 142(3):349-52.
  37. Lin AE, Grossfeld PD, Hamilton RM, Smoot L, Gripp KW, Proud V, Weksberg R, Wheeler P, Picker J, Irons M, Zackai E, Marino B, Scott CI, Nicholson L. Further delineation of cardiac abnormalities in Costello syndrome. Am J Med Genet. 2002 Aug 01; 111(2):115-29.
  38. Picker JD, Cox GF, Fan YS, Fowler DJ, Weremowicz S, Morton CC, Lee C. Multicolor karyotypic interpretation of a heterochromatin-associated marker chromosome in a dysmorphic girl with developmental delay. Am J Med Genet. 2002 Jul 15; 110(4):393-6.
  39. Fowler DJ, Picker J, Waisbren SE, Levy HL. Neonatal screening for medium--chain acyl-CoA dehydrogenase deficiency. Lancet. 2002 Feb 16; 359(9306):628.
  40. Picker JD, Fox DP. Do curried foods produce micronuclei in buccal epithelial cells? Mutat Res. 1986 Aug-Sep; 171(2-3):185-8.
To schedule an appointment: Call 617-355-4697

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