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Sökning: L773:1088 9051 OR L773:1549 5469 > Single-cell analyse...

  • Chen, G (författare)

Single-cell analyses of X Chromosome inactivation dynamics and pluripotency during differentiation

  • Artikel/kapitelEngelska2016

Förlag, utgivningsår, omfång ...

  • 2016-08-02
  • Cold Spring Harbor Laboratory,2016

Nummerbeteckningar

  • LIBRIS-ID:oai:prod.swepub.kib.ki.se:134354323
  • http://kipublications.ki.se/Default.aspx?queryparsed=id:134354323URI
  • https://doi.org/10.1101/gr.201954.115DOI

Kompletterande språkuppgifter

  • Språk:engelska
  • Sammanfattning på:engelska

Ingår i deldatabas

Klassifikation

  • Ämneskategori:ref swepub-contenttype
  • Ämneskategori:art swepub-publicationtype

Anmärkningar

  • Pluripotency, differentiation, and X Chromosome inactivation (XCI) are key aspects of embryonic development. However, the underlying relationship and mechanisms among these processes remain unclear. Here, we systematically dissected these features along developmental progression using mouse embryonic stem cells (mESCs) and single-cell RNA sequencing with allelic resolution. We found that mESCs grown in a ground state 2i condition displayed transcriptomic profiles diffused from preimplantation mouse embryonic cells, whereas EpiStem cells closely resembled the post-implantation epiblast. Sex-related gene expression varied greatly across distinct developmental states. We also identified novel markers that were highly enriched in each developmental state. Moreover, we revealed that several novel pathways, including PluriNetWork and Focal Adhesion, were responsible for the delayed progression of female EpiStem cells. Importantly, we “digitalized” XCI progression using allelic expression of active and inactive X Chromosomes and surprisingly found that XCI states exhibited profound variability in each developmental state, including the 2i condition. XCI progression was not tightly synchronized with loss of pluripotency and increase of differentiation at the single-cell level, although these processes were globally correlated. In addition, highly expressed genes, including core pluripotency factors, were in general biallelically expressed. Taken together, our study sheds light on the dynamics of XCI progression and the asynchronicity between pluripotency, differentiation, and XCI.

Biuppslag (personer, institutioner, konferenser, titlar ...)

  • Schell, JPKarolinska Institutet (författare)
  • Benitez, JAKarolinska Institutet (författare)
  • Petropoulos, SKarolinska Institutet (författare)
  • Yilmaz, M (författare)
  • Reinius, BKarolinska Institutet (författare)
  • Alekseenko, ZKarolinska Institutet (författare)
  • Shi, LM (författare)
  • Hedlund, EKarolinska Institutet (författare)
  • Lanner, FKarolinska Institutet (författare)
  • Sandberg, RKarolinska Institutet (författare)
  • Deng, QLKarolinska Institutet (författare)
  • Karolinska Institutet (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:Genome research: Cold Spring Harbor Laboratory26:10, s. 1342-13541549-54691088-9051

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