Transcriptional diversity during lineage commitment of human blood progenitors.

Published

Journal Article

Blood cells derive from hematopoietic stem cells through stepwise fating events. To characterize gene expression programs driving lineage choice, we sequenced RNA from eight primary human hematopoietic progenitor populations representing the major myeloid commitment stages and the main lymphoid stage. We identified extensive cell type-specific expression changes: 6711 genes and 10,724 transcripts, enriched in non-protein-coding elements at early stages of differentiation. In addition, we found 7881 novel splice junctions and 2301 differentially used alternative splicing events, enriched in genes involved in regulatory processes. We demonstrated experimentally cell-specific isoform usage, identifying nuclear factor I/B (NFIB) as a regulator of megakaryocyte maturation-the platelet precursor. Our data highlight the complexity of fating events in closely related progenitor populations, the understanding of which is essential for the advancement of transplantation and regenerative medicine.

Full Text

Duke Authors

Cited Authors

  • Chen, L; Kostadima, M; Martens, JHA; Canu, G; Garcia, SP; Turro, E; Downes, K; Macaulay, IC; Bielczyk-Maczynska, E; Coe, S; Farrow, S; Poudel, P; Burden, F; Jansen, SBG; Astle, WJ; Attwood, A; Bariana, T; de Bono, B; Breschi, A; Chambers, JC; Consortium, B; Choudry, FA; Clarke, L; Coupland, P; van der Ent, M; Erber, WN; Jansen, JH; Favier, R; Fenech, ME; Foad, N; Freson, K; van Geet, C; Gomez, K; Guigo, R; Hampshire, D; Kelly, AM; Kerstens, HHD; Kooner, JS; Laffan, M; Lentaigne, C; Labalette, C; Martin, T; Meacham, S; Mumford, A; Nürnberg, S; Palumbo, E; van der Reijden, BA; Richardson, D; Sammut, SJ; Slodkowicz, G; Tamuri, AU; Vasquez, L; Voss, K; Watt, S; Westbury, S; Flicek, P; Loos, R; Goldman, N; Bertone, P; Read, RJ; Richardson, S; Cvejic, A; Soranzo, N; Ouwehand, WH; Stunnenberg, HG; Frontini, M; Rendon, A

Published Date

  • September 2014

Published In

Volume / Issue

  • 345 / 6204

Start / End Page

  • 1251033 -

PubMed ID

  • 25258084

Pubmed Central ID

  • 25258084

Electronic International Standard Serial Number (EISSN)

  • 1095-9203

International Standard Serial Number (ISSN)

  • 0036-8075

Digital Object Identifier (DOI)

  • 10.1126/science.1251033

Language

  • eng