Micronutrient Improvement of Epithelial Barrier Function in Various Disease States: A Case for Adjuvant Therapy.

Publication/Presentation Date

3-10-2022

Abstract

The published literature makes a very strong case that a wide range of disease morbidity associates with and may in part be due to epithelial barrier leak. An equally large body of published literature substantiates that a diverse group of micronutrients can reduce barrier leak across a wide array of epithelial tissue types, stemming from both cell culture as well as animal and human tissue models. Conversely, micronutrient deficiencies can exacerbate both barrier leak and morbidity. Focusing on zinc, Vitamin A and Vitamin D, this review shows that at concentrations above RDA levels but well below toxicity limits, these micronutrients can induce cell- and tissue-specific molecular-level changes in tight junctional complexes (and by other mechanisms) that reduce barrier leak. An opportunity now exists in critical care-but also medical prophylactic and therapeutic care in general-to consider implementation of select micronutrients at elevated dosages as adjuvant therapeutics in a variety of disease management. This consideration is particularly pointed amidst the COVID-19 pandemic.

Volume

23

Issue

6

ISSN

1422-0067

Disciplines

Medicine and Health Sciences

PubMedID

35328419

Department(s)

Department of Medicine, Department of Medicine Fellows and Residents, Fellows and Residents

Document Type

Article

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