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Intrinsic factor

Intrinsic factor

a mucoprotein normally secreted by the epithelium of the stomach and that binds vitamin b12, the intrinsic factor/B12 complex is selectively absorbed by the distal ileum, though only the vitamin is taken into the cell.


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Re: B12 absorption/intrinsic factor

Oh since we are in the small intestine I have guess maybe enterocytes. The complexes are broken once it gets taken. From blood it goes to a lot of places, oh like your CNS first example.

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by david23
Tue Sep 11, 2012 12:45 am
 
Forum: Molecular Biology
Topic: B12 absorption/intrinsic factor
Replies: 4
Views: 3976

Re: B12 absorption/intrinsic factor

Once the B12/intrinsic factor complex gets endocytosed (by what kind of cells?) and into the blood stream, where does it go next? When ...

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by rk386
Mon Sep 10, 2012 5:31 pm
 
Forum: Molecular Biology
Topic: B12 absorption/intrinsic factor
Replies: 4
Views: 3976

Re: B12 absorption/intrinsic factor

This is a pretty straightforward thing, you dont trust wikipedia? intrinsic factor has to bind to b12 for it to be endocytosed. If you rephrase your question ask what is ...

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by david23
Sat Sep 08, 2012 3:57 pm
 
Forum: Molecular Biology
Topic: B12 absorption/intrinsic factor
Replies: 4
Views: 3976

B12 absorption/intrinsic factor

Basically, how does intrinsic factor work?

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by rk386
Wed Aug 29, 2012 6:35 pm
 
Forum: Molecular Biology
Topic: B12 absorption/intrinsic factor
Replies: 4
Views: 3976

B12 absorption/intrinsic factor

How does the lining of the small intestine absorb the B12/intrinsic factor complex into the bloodstream? Does the B12 separate from the intrinsic factor or are the ...

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by rk386
Tue Aug 28, 2012 10:11 pm
 
Forum: Molecular Biology
Topic: B12 absorption/intrinsic factor
Replies: 4
Views: 3976
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