Question

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 citaion)

Answer 1

Explanatidn? ) The pathuby of endodesm beining zebtagah and diterentiatien gata5 and Cas. illustratin at the o seenttlrzed egg stags 3) Sot andcdc showing that wants oep and Ta centols t hong of bn, gata5, and Cab 3) cah soles dounstreamA in Pavallel to 6 6on and o mange Sox17 showng Bon encodes a combinatienof tansa ptionl and ca encudes a sox-yelated banscaiphon S) Bo seems to be expessed atl told me sendocle n psogenitoss b) Gata5 appeaane o be Chown im each edoeia andtet geatest maiginal

mesoblastic pvogenitoas ond its shouhood 1Y) ) Ca appeasan to be chown gpeatly wi'thin o be shoun peatlwithn the layex