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Molecular mechanism of aneuploidy syndrome: Pallsiter-Killian syndrome as a model

Research Project

Project/Area Number 26870139
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Medical genome science
Human genetics
Research InstitutionThe University of Tokyo

Principal Investigator

Kosuke Izumi  東京大学, 分子細胞生物学研究所, 助教 (40383707)

Project Period (FY) 2014-04-01 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2015: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2014: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywords染色体異常 / モザイク / デジタルPCR / エピゲノム / モザイク染色体異常 / 遺伝子発現解析 / ゲノムワイド解析 / エピゲノム解析
Outline of Final Research Achievements

Pallister-Killian syndrome (PKS) is caused by chromosomal duplication of 12p, which exists as mosaic aneuploidy. In order to understand the molecular mechanism of PKS, we evaluated the transcriptome pattern and epigenomic alteration in PKS patient-derived samples. Our data indicates the presence of unique transcriptome profile in PKS. Furthermore, there were unique epigenomic alterations seen only in PKS samples, suggesting the involvement of epigenomic alteratiosn in the pathogenesis of PKS. Our study revealed these novel insights into the molecular mechanism of PKS, and such insights may have implications for other aneuploidy syndromes such as Down syndrome.

Report

(3 results)
  • 2015 Annual Research Report   Final Research Report ( PDF )
  • 2014 Research-status Report
  • Research Products

    (8 results)

All 2016 2015 2014 Other

All Int'l Joint Research (1 results) Journal Article (6 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 6 results,  Open Access: 1 results,  Acknowledgement Compliant: 2 results) Presentation (1 results) (of which Int'l Joint Research: 1 results)

  • [Int'l Joint Research] フィラデルフィア小児病院(米国)

    • Related Report
      2015 Annual Research Report
  • [Journal Article] Mosaic Ratio Quantification of Isochromosome 12p in Pallister-Killian syndrome using Droplet Digital PCR2016

    • Author(s)
      •Fujiki K., Shirahige K., Kaur M., Deardorff MA., Conlin LK., Krantz ID., Izumi K
    • Journal Title

      Mol Genet Genomic Med

      Volume: in press Issue: 3 Pages: 257-261

    • DOI

      10.1002/mgg3.200

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research / Acknowledgement Compliant
  • [Journal Article] Elevation of Insulin-Like growth Factor Binding Protein-2 Level in Pallister-Killian Syndrome: Implications for the Postnatal Growth Retardation Phenotype2015

    • Author(s)
      Izumi K., Kellogg E., Fujiki K., Kaur M., Tilton RK., Noon S, Wilkens A., Shirahige K., Krantz ID
    • Journal Title

      Am J Med Genet A.

      Volume: in press

    • Related Report
      2014 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Genome-Wide Expression Analysis in Fibroblast Cell Lines from Probands with Pallister Killian Syndrome2014

    • Author(s)
      Kaur M., Izumi K., Wilkens AB., Chatfield KC., Spinner NB., Conlin LK., Zhang Z., Krantz ID
    • Journal Title

      PLoS One

      Volume: 9 Issue: 10 Pages: e108853-e108853

    • DOI

      10.1371/journal.pone.0108853

    • Related Report
      2014 Research-status Report
    • Peer Reviewed
  • [Journal Article] Pallister-Killian Syndrome2014

    • Author(s)
      Izumi K., Krantz ID
    • Journal Title

      Am J Med Genet C

      Volume: 166C Issue: 4 Pages: 406-413

    • DOI

      10.1002/ajmg.c.31423

    • Related Report
      2014 Research-status Report
    • Peer Reviewed
  • [Journal Article] 12p microRNA expression in Fibroblast Cell Lines from Probands with Pallister-Killian Syndrome2014

    • Author(s)
      Izumi K., Kaur M, Zhang Z., Krantz ID
    • Journal Title

      Chromosome Res

      Volume: 22 Issue: 4 Pages: 453-461

    • DOI

      10.1007/s10577-014-9431-y

    • Related Report
      2014 Research-status Report
    • Peer Reviewed
  • [Journal Article] Cardiac Manifestations of Pallister-Killian Syndrome2014

    • Author(s)
      Tilton R., Wilkens A., Krantz ID., Izumi K
    • Journal Title

      Am J Med Genet A

      Volume: 164A Issue: 5 Pages: 1130-5

    • DOI

      10.1002/ajmg.a.36413

    • Related Report
      2014 Research-status Report
    • Peer Reviewed
  • [Presentation] Mosaic Ratio Quantification of Isochromosome 12p in Pallister-Killian syndrome using Droplet Digital PCR2016

    • Author(s)
      Kosuke Izumi
    • Organizer
      International Congress of Human Genetics
    • Place of Presentation
      Kyoto International Conference Center (京都府京都市))
    • Year and Date
      2016-04-03
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research

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Published: 2014-04-04   Modified: 2022-01-27  

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