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Photo of Dr. Hans Tomas Bjornsson, MD PhD

Hans Tomas Bjornsson, MD PhD

Director of Epigenetic and Chromatin Clinic
Assistant Professor of Pediatrics
Male
Main Location

The Johns Hopkins Hospital

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Titles

  • Director of Epigenetic and Chromatin Clinic
  • Assistant Program Director, Clinical Genetics
  • Assistant Professor of Pediatrics and Genetics
  • Assistant Professor of Pediatrics

Centers & Institutes

  • McKusick-Nathans Institute for Genetic Medicine

Expertise

Clinical Genetics, Pediatrics

Research Interests

Rubinstein-Taybi syndrome; Kabuki syndrome; Epigenetics; Mendelian Disorders of the Histone Machinery

Languages

  • English
  • German
  • Danish
  • Icelandic

Memberships

American Academy of Pediatrics
American Society of Human Genetics

Additional Resources

Additional Resources +
  • Education +

    Training

    • Johns Hopkins University School of Medicine (Baltimore MD) (2007)
    • University of Iceland (Reykjavik ) (2001)

    Residencies

    • Johns Hopkins University School of Medicine / Pediatrics (Baltimore MD) (2012)

    Certifications

    • American Board of Medical Genetics / Clinical Genetics (MD) (2013)
    • American Board of Pediatrics / Pediatrics (2011)
  • Research & Publications +

    Selected Publications

    Bjornsson HT, Fallin MD, Feinberg AP. An integrated epigenetic and genetic approach to common human disease. Trends Genet. 2004 Aug;20(8):350-8. PMID: 15262407 [PubMed -indexed for MEDLINE]

    Bjornsson HT, Ellingsen LM, Jonsson JJ. Transposon-derived repeats in the human genome and 5-methylcytosine-associated mutations in adjacent genes. Gene. 2006 Mar 29;370:43-50. Epub 2006 Jan 30. PMID: 16446059 [PubMed - indexed for MEDLINE]

    Bjornsson HT, Brown LJ, Fallin MD, Rongione MA, Bibikova M, Wickham E, Fan JB, Feinberg AP. Epigenetic specificity of loss of imprinting of the IGF2 gene in Wilms tumors. J Natl Cancer Inst. 2007 Aug 15;99(16):1270-3. Epub 2007 Aug 8. PMID: 17686827 [PubMed - indexed for MEDLINE]

    Bjornsson HT, Albert TJ, Ladd-Acosta CM, Green RD, Rongione MA, Middle CM, Irizarry RA, Broman KW, Feinberg AP. SNP-specific array-based allele-specific expression analysis. Genome Res. 2008 May;18(5):771-9. Epub 2008 Mar 27. PMID: 18369178 [PubMed - indexed for MEDLINE]

    Bjornsson HT, Sigurdsson MI, Fallin MD, Irizarry RA, Aspelund T, Cui H, Yu W, Rongione MA, Ekstrm TJ, Harris TB, Launer LJ, Eiriksdottir G, Leppert MF, Sapienza C, Gudnason V, Feinberg AP. Intra-individual change over time in DNA methylation with familial clustering. JAMA. 2008 Jun 25;299(24):2877-83. PMID: 18577732 [PubMed - indexed for MEDLINE]

    Wen B, Wu H, Bjornsson H, Green RD, Irizarry R, Feinberg AP. Overlapping euchromatin/heterochromatin- associated marks are enriched in imprinted gene regions and predict allele-specific modification. Genome Res. 2008 Nov;18(11):1806-13. Epub 2008 Oct 10. PMID: 18849526 [PubMed - in process]

    Sigurdsson MI, Smith AV, Bjornsson HT, Jonsson JJ. HapMap methylation-associated SNPs, markers of germline DNA methylation, positively correlate with regional levels of human meiotic recombination. Genome Res. 2009 Feb 20. PMID: 19158364

    Sigurdsson MI, Smith AV, Bjornsson HT*, Jonsson JJ*. The distribution of a germline methylation marker suggests a regional mechanism of LINE-1 silencing by the piRNA-PIWI system. BMC Genet. 2012 Apr 24;13:31. PubMed PMID: 22530917. *Co-corresponding authors.
  • Academic Affiliations & Courses +
  • Activities & Honors +

    Honors

    Fulbright Fellowship (2002)
    Thor Thors Award, American-Scandinavian Foundation (2006)
    Margaret Ellen Nielsen Fellow Award, IGM (2007)
    Francis F. Schwentker Award, Department of Pediatrics (2009)
    Frank L. Coulson, Jr. Award for Clinical Excellence (2012)
  • Videos & Media +
  • Events +
  • Contact & Locations +

    Locations

    The Johns Hopkins Hospital
    600 N. Wolfe Street
    Hospital Main Entrance - Sheikh Zayed Tower
    Baltimore, MD 21287
    Phone: 410-955-3071
    Location Map
    The Johns Hopkins Hospital
    600 N. Wolfe Street
    Hospital Main Entrance - Sheikh Zayed Tower
    Baltimore, MD 21287
    Phone: 410-955-3071
    Location Map

    Department/Division

    • Pediatrics

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