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Propose a pathway(s) to explain how the ectoderm and the notochord block the ability of the...

Propose a pathway(s) to explain how the ectoderm and the notochord block the ability of the endoderm to express liver-specific genes during liver formation. Please include citations.

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Explanation: The pathway of endoderm beginning in zebrafish and differentiation of bon,gata5 and cas illustration at the most recent fertilized egg stages. Sqt and cdc showing that wants Oep and Tar controls the showing of bon, gata5, and cas. Cas roles downstream of A or in parallel to B Bon and Gata5 to manage sox17showing. bon encodes a combination of transcription result and cas encodes a Sox-related transcription result. bon seems to be expressed all told mesendodermal progenitors. Gata5 appearance to be shown in each endodermal and therefore the greatest marginal mesoblastic progenitors and it's shown in the food syncytial layer. cas appearance to be shown greatly within the endodermal progenitors along with the yolk syncytial layer.

Reference: https://www.sciencedirect.com/science/article/pii/S0925477302003271:

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