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A member asked:
Are all nutrients absorbered in the small intestine through enterocytes and not b/t bc of tight junctions?
A doctor has provided 1 answer
No: The tight junctions have variable permeability that can be changed through alterations to proteins called claudins. Additionally, the tight junctions are sometimes disrupted in disease states with increased global gut permeability . For a physiologic exploration of this phenomenon you may want to check out http://www.Ncbi.Nlm.Nih.Gov/pubmed/19291785.
Answered 12/19/2013
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