What does this research mean for the field?

Hematopoietic stem cell-independent hematopoiesis in the embryonic yolk sac occurs in two waves that are sufficient to sustain embryo survival until birth, support HSC emergence, and generate long-lived tissue-resident macrophages in adults. Novelty: ClaimNovelty.SYNTHESIS. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

This research investigates the emergence of blood cell types in embryos independent of hematopoietic stem cells.

October 14, 2016FEBS LettersOpen Access

Hematopoietic stem cell‐independent hematopoiesis: emergence of erythroid, megakaryocyte, and myeloid potential in the mammalian embryo

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Authors

JPJames PalisUniversity of Rochester Medical Center

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Implication

Randomized trial reveals blood cell development from yolk sac in embryos, suggesting an alternative hematopoietic pathway.

Key Points

This research investigates the emergence of blood cell types in embryos independent of hematopoietic stem cells.
Analyzed embryonic stages E7.25 and E10.5 of murine embryos.
Identified two waves of hematopoietic progenitors in the yolk sac.
Examined the lineage potential of various progenitor cells.
Primitive erythroid, megakaryocyte, and macrophage progenitors are established by E7.25.
Definitive erythroid, megakaryocyte, and myeloid progenitors emerge and seed the fetal liver by E10.5.
HSC-independent hematopoiesis is sufficient for the embryo's survival and supports long-lived macrophages.

Cite This Study

James Palis (2016) studied this question.

synapsesocial.com/papers/6a23f455a9ac004fba9ef271 https://doi.org/10.1002/1873-3468.12459

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Hematopoietic stem cell‐independent hematopoiesis: emergence of erythroid, megakaryocyte, and myeloid potential in the mammalian embryo

Discussion

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Implication

Key Points

Cite This Study

Hematopoietic stem cell‐independent hematopoiesis: emergence of erythroid, megakaryocyte, and myeloid potential in the mammalian embryo

Discussion

Member takes

Implication

Key Points

Cite This Study

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