Journal
CLINICAL NUTRITION ESPEN
Volume 44, Issue -, Pages 173-187Publisher
ELSEVIER
DOI: 10.1016/j.clnesp.2021.06.011
Keywords
COVID-19; Metabolomics; Metabolic health; Micronutrient deficiencies; Insulin resistance; Infection susceptibility; Post-COVID
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The significance of analyzing the organism through a metabolic perspective to uncover the dynamic interconnections in biological systems has been highlighted by COVID-19. Micronutrient status and metabolic health play key roles in COVID-19 pathogenesis and the immune response. Metabolic disruption, driven by modifiable factors, is proposed as a significant risk factor for infection susceptibility, disease severity, and post-COVID complications.
COVID-19 has re-established the significance of analyzing the organism through a metabolic perspective to uncover the dynamic interconnections within the biological systems. The role of micronutrient status and metabolic health emerge as pivotal in COVID-19 pathogenesis and the immune system's response. Metabolic disruption, proceeding from modifiable factors, has been proposed as a significant risk factor accounting for infection susceptibility, disease severity and risk for post-COVID complications. Metabolomics, the comprehensive study and quantification of intermediates and products of metabolism, is a rapidly evolving field and a novel tool in biomarker discovery. In this article, we propose that leveraging insulin resistance biomarkers along with biomarkers of micronutrient deficiencies, will allow for a diagnostic window and provide functional therapeutic targets. Specifically, metabolomics can be applied as: a. At-home test to assess the risk of infection and propose nutritional support, b. A screening tool for high-risk COVID-19 patients to develop serious illness during hospital admission and prioritize medical support, c(i). A tool to match nutritional support with specific nutrient requirements for mildly ill pa-tients to reduce the risk for hospitalization, and c(ii). for critically ill patients to reduce recovery time and risk of post-COVID complications, d. At-home test to monitor metabolic health and reduce post-COVID symptomatology. Metabolic rewiring offers potential virtues towards disease prevention, dissection of high-risk patients, taking actionable therapeutic measures, as well as shielding against post-COVID syndrome. (C) 2021 The Authors. Published by Elsevier Ltd on behalf of European Society for Clinical Nutrition and Metabolism.
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