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Cited by 466

The DOI matches its Crossref record; 76 of the 76 references it cites were found in a registry or an index.

Defining the three cell lineages of the human blastocyst by single-cell RNA-seq

Open access
Blakeley, Paul, Fogarty, Norah M.E., del Valle, Ignacio, Wamaitha, Sissy E., Hu, Tim Xiaoming, Elder, Kay, Snell, Philip, Christie, Leila, Robson, Paul, Niakan, Kathy K.·2015·Development

Abstract

Here we provide fundamental insights into early human development by single-cell RNA-sequencing of human and mouse preimplantation embryos. We elucidate conserved transcriptional programs along with those that are human-specific. Importantly, we validate our RNA-sequencing findings at the protein level, which further reveals differences in human and mouse embryo gene expression. For example, we identify several genes exclusively expressed in the human pluripotent epiblast including the transcription factor KLF17. Key components of the TGF-β signaling pathway including NODAL, GDF3, TGFBR1/ALK5, LEFTY1, SMAD2, SMAD4 and TDGF1 are also enriched in the human epiblast. Intriguingly, inhibition of TGF-β signaling abrogates NANOG expression in human epiblast cells, consistent with a requirement for this pathway in pluripotency. Although key trophectoderm factors Id2, Elf5, and Eomes are exclusively localized to this lineage in the mouse, the human orthologues are either absent or expressed in alternative lineages. Importantly, we also identify genes with conserved expression dynamics including Foxa2/FOXA2, which we show is restricted to the primitive endoderm in both human and mouse embryos. Comparisons of the human epiblast to existing embryonic stem cells (hESCs) reveals conservation of pluripotency but also additional pathways more enriched in hESCs. Our analysis highlights significant differences in human preimplantation development compared to mouse and provides a molecular blueprint to understand human embryogenesis and its relationship to stem cells.

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Crossref · 10.1242/dev.123547

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Metadata

Authors
Blakeley, P., Fogarty, N. M. E., del Valle, I., Wamaitha, S. E., Hu, T. X., Elder, K., Snell, P., Christie, L., Robson, P., & Niakan, K. K.
Venue
Development
Published
2015-01-01
Volume
142
Issue
18
Pages
3151-3613
ISSN
  • 0950-1991 (ISSN-L)
  • 1477-9129
OpenAlex
W2125336256
Cited by
466
References
76
FWCI
19.68
Type
journal article
Language
en
Open access
hybrid

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