Frontiers in Genetics
Frontiers in Genetics
5 years ago

ZIP13: A Study ofDrosophilaOffers an Alternative Explanation for the Corresponding Human Disease.

Guiran Xiao, Bing Zhou
The fruit flyDrosophila melanogasterhas become an important model organism to investigate metal homeostasis and human diseases. Previously we identified dZIP13 (CG7816), a member of the ZIP transporter family (SLC39A) and presumably a zinc importer, is in fact physiologically primarily responsible to move iron from the cytosol into the secretory compartments in the fly. This review will discuss the implication of this finding for the etiology of Spondylocheirodysplasia-Ehlers-Danlos Syndrome (SCD-EDS), a human disease defective in ZIP13. We propose an entirely different model in that lack of iron in the secretory compartment may underlie SCD-EDS. Altogether three different working models are discussed, supported by relevant findings made in different studies, with uncertainties, and questions remained to be solved. We speculate that the distinct ZIP13 sequence features, different from those of all other ZIP family members, may confer it special transport properties.

Publisher URL: http://doi.org/10.3389/fgene.2017.00234

DOI: 10.3389/fgene.2017.00234

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