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Zinc and Gastrointestinal Disorders: A Role for the Zinc Transporters Zips and ZnTs

Myers, S ORCID: 0000-0003-4793-3820, Shastri, MD ORCID: 0000-0002-1012-2779, Adulcikas, JA ORCID: 0000-0001-9193-6709, Sohal, SS ORCID: 0000-0001-9627-6498 and Norouzi, S ORCID: 0000-0002-7504-8581 2017 , 'Zinc and Gastrointestinal Disorders: A Role for the Zinc Transporters Zips and ZnTs' , Current pharmaceutical design, vol. 23, no. 16 , pp. 2328-2332 , doi: 10.2174/1381612823666170124115850.

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Background : Zinc is a critical metal ion essential for life. The biological significance of zinc is highlightedby the enormous number of proteins (approximately 10% of the human proteome) that have zinc-bindingcapacity. Accordingly, zinc concentrations in cells are tightly regulated by two families of zinc transporter proteins:Slc30a (ZnT) and Slc39a (Zip). ZnT and Zip are known to decrease and increase cytosolic zinc concentrationsrespectively. Both zinc transporters are suggested to be implicated in a number of disorders and diseasestates through dysfunctional zinc transport including cancer, diabetes and gastrointestinal (GI) disease.Method: The goal of this work was to identify the role of zinc transporters in GI disease/disorders. Where possible,reference will be made in the context of the function of zinc transporters and their potential role in GI disorders/diseaseswith a view towards their possible therapeutic utility in the treatment of these ailments. PubMedwas utilized to search for articles with the terms “zinc and GI disease”, “zinc transporters and GI disease”, “zincand gut”, zinc transporters and gut”, and “zinc transporters and intestinal disorders”.Results: We identified a number of reviews on GI disorders/disease states associated with zinc deficiencies, butthe very proteins that transport this metal ion in these systems are not well-defined. From a systematic review, weidentified the following zinc transporters (Zip1, 2, 4-7, 10, 11 and 14; and ZnT1, 8 and 10) as having some functionalrole in the GI system and potentially could have a therapeutic role in the treatment of GI disease/disorders.Conclusion: An increasingly common health issue in our communities is disorder/disease of the GI system.Although therapies targeting these disorders are somewhat beneficial, there is a need to develop better, moreefficient treatments. Despite that many gut-related disorders/disease states have been analyzed in the context ofzinc deficiencies, the transport proteins that move zinc across cells are not well-defined. Zinc transporters areexpressed in a range of GI tissue and cells, and their roles in the maintenance, integrity and disease processes ofthe GI system need to be addressed. This might open a whole new avenue of opportunities for the development ofnovel therapies targeting these receptors in GI disease states.

Item Type: Article
Authors/Creators:Myers, S and Shastri, MD and Adulcikas, JA and Sohal, SS and Norouzi, S
Keywords: Diabetes
Journal or Publication Title: Current pharmaceutical design
Publisher: Bentham Science Publ Ltd
ISSN: 1381-6128
DOI / ID Number: 10.2174/1381612823666170124115850
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© 2017 Bentham Science Publishers

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