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How does an embryo get energy (glucose, etc.)


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#1 cdog1350

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Posted 26 February 2011 - 10:17 PM

The human embryo begins to produce its own insulin at around 13th week. How does glucose uptake happen into the embryo's cells prior to that?

#2 bob1

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Posted 27 February 2011 - 03:52 PM

Maternal insulin?

#3 cdog1350

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Posted 27 February 2011 - 08:00 PM

Maternal insulin?


No, maternal insulin does not cross the placenta.

#4 pito

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Posted 28 February 2011 - 01:14 AM

Glycogen is made by the placenta and stored in the trophoblast

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#5 cdog1350

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Posted 28 February 2011 - 08:16 PM

Glycogen is made by the placenta and stored in the trophoblast


But how is this glycogen delivered into the cells of the embryo, if there is no insulin available to facilitate the uptake?

#6 pito

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Posted 01 March 2011 - 01:30 AM


Glycogen is made by the placenta and stored in the trophoblast


But how is this glycogen delivered into the cells of the embryo, if there is no insulin available to facilitate the uptake?

I suppose the baby has still enough glucose to use even if there isnt insuline present. Not all uptake is regulated by insuline.
(wich has been proven in chicken embryos).

Anyway, check the papers I have added.

Attached Files


If you don't know it, then ask it! Better to ask and look foolish to some than not ask and stay stupid.





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