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Transitions between epithelia and mesenchyme are essential for various developmental processes and can occur in either...

Question:

Transitions between epithelia and mesenchyme are essential for various developmental processes and can occur in either direction: from mesenchyme to epithelium (MET) or from epithelium to mesenchyme (EMT). Briefly, describe an example of an MET during somitogensies, how it contributes to somite formation, and the roles of the Mesp transcription factor and the Rho GTPase, Cdc42, in this process.


Answers

---- Meslunchymal epithelial transition - Mesenchymal cells from an emosyonic Connectile tissue with a disorganised cellularSomitogenesis - During early somite formations the mesenchymal pasarial mesoderm: undergoes a MET to form the initial segmentRole of Rho. cde42 Treatmet of Msc with TGF B resulted in increased phosphorylation of Smade and the Rho GT pase downstream esomite formations Anterior - Resegmentatos T T DOODOKCIEL Boundry het formatróis Segneel determinais Determinatsis front cand

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