The Biology Of Gastrin-Ferric Ion Complexes

Abstract

The objective of this project is to understand the biological significance of the complex between ferric ions and non-amidated gastrins (NAGs). This laboratory has shown that NAGs selectively bind 2 ferric ions, and that ferric ion binding is essential for biological activity. Our unpublished data in mouse models indicates a previously unsuspected reciprocal relationship between plasma NAG concentrations and iron status. The significance of this project to human health lies in the facts that NAGs act as growth factors for the normal gastric and colonic mucosa, accelerate the development of both gastric and colorectal cancer, and may be involved in iron overload. The specific aims are: (1) to..

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