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Sökning: WFRF:(Breslin L.)

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1.
  • Thomas, HS, et al. (författare)
  • 2019
  • swepub:Mat__t
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3.
  • Mönnich, M., et al. (författare)
  • CEP128 Localizes to the Subdistal Appendages of the Mother Centriole and Regulates TGF-β/BMP Signaling at the Primary Cilium
  • 2018
  • Ingår i: Cell Reports. - : Elsevier. - 2211-1247. ; 22:10, s. 2601-2614
  • Tidskriftsartikel (refereegranskat)abstract
    • The centrosome is the main microtubule-organizing center in animal cells and comprises a mother and daughter centriole surrounded by pericentriolar material. During formation of primary cilia, the mother centriole transforms into a basal body that templates the ciliary axoneme. Ciliogenesis depends on mother centriole-specific distal appendages, whereas the role of subdistal appendages in ciliary function is unclear. Here, we identify CEP128 as a centriole subdistal appendage protein required for regulating ciliary signaling. Loss of CEP128 did not grossly affect centrosomal or ciliary structure but caused impaired transforming growth factor-β/bone morphogenetic protein (TGF-β/BMP) signaling in zebrafish and at the primary cilium in cultured mammalian cells. This phenotype is likely the result of defective vesicle trafficking at the cilium as ciliary localization of RAB11 was impaired upon loss of CEP128, and quantitative phosphoproteomics revealed that CEP128 loss affects TGF-β1-induced phosphorylation of multiple proteins that regulate cilium-associated vesicle trafficking. Mönnich et al. show that CEP128 localizes to the subdistal appendages of the mother centriole and basal body of the primary cilium. CEP128 regulates vesicular trafficking and targeting of RAB11 to the primary cilium. CEP128 loss leads to impaired TGF-β/BMP signaling, which, in zebrafish, is associated with defective organ development.
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4.
  • Yusuf, D, et al. (författare)
  • The transcription factor encyclopedia
  • 2012
  • Ingår i: Genome biology. - : Springer Science and Business Media LLC. - 1474-760X .- 1465-6906. ; 13:3, s. R24-
  • Tidskriftsartikel (refereegranskat)
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5.
  • Kinkel, Sarah A, et al. (författare)
  • Jarid2 regulates hematopoietic stem cell function by acting with polycomb repressive complex 2.
  • 2015
  • Ingår i: Blood. - : American Society of Hematology. - 1528-0020 .- 0006-4971. ; 125:12, s. 1890-1900
  • Tidskriftsartikel (refereegranskat)abstract
    • Polycomb Repressive Complex 2 (PRC2) plays a key role in hematopoietic stem and progenitor cell (HSPC) function. Analyses of mouse mutants harboring deletions of core components have implicated PRC2 in fine-tuning multiple pathways that instruct HSPC behavior, yet how PRC2 is targeted to specific genomic loci within HSPCs remains unknown. Here we use shRNA-mediated knockdown to survey the function of PRC2 accessory factors that were defined in ES cells, by testing the competitive reconstitution capacity of transduced murine HSPCs. We find that similar to the phenotype observed upon depletion of core subunit Suz12, depleting Jarid2 enhances the competitive transplantation capacity of both fetal and adult mouse HSPCs. Furthermore, we demonstrate that depletion of JARID2 enhances the in vitro expansion and in vivo reconstitution capacity of human HSPCs. Gene expression profiling revealed common Suz12 and Jarid2 target genes that are enriched for the H3K27me3 mark established by PRC2. These data implicate Jarid2 as an important component of PRC2 that has a central role in coordinating HSPC function.
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