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Hellwig M, Diel P, Eisenbrand G, Grune T, Guth S, Henle T, Humpf HU, Joost HG, Marko D, Raupbach J, Roth A, Vieths S, Mally A. Dietary glycation compounds - implications for human health. Crit Rev Toxicol 2024; 54:485-617. [PMID: 39150724 DOI: 10.1080/10408444.2024.2362985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Revised: 05/24/2024] [Accepted: 05/28/2024] [Indexed: 08/17/2024]
Abstract
The term "glycation compounds" comprises a wide range of structurally diverse compounds that are formed endogenously and in food via the Maillard reaction, a chemical reaction between reducing sugars and amino acids. Glycation compounds produced endogenously are considered to contribute to a range of diseases. This has led to the hypothesis that glycation compounds present in food may also cause adverse effects and thus pose a nutritional risk to human health. In this work, the Senate Commission on Food Safety (SKLM) of the German Research Foundation (DFG) summarized data on formation, occurrence, exposure and toxicity of glycation compounds (Part A) and systematically assessed potential associations between dietary intake of defined glycation compounds and disease, including allergy, diabetes, cardiovascular and renal disease, gut/gastrotoxicity, brain/cognitive impairment and cancer (Part B). A systematic search in Pubmed (Medline), Scopus and Web of Science using a combination of keywords defining individual glycation compounds and relevant disease patterns linked to the subject area of food, nutrition and diet retrieved 253 original publications relevant to the research question. Of these, only 192 were found to comply with previously defined quality criteria and were thus considered suitable to assess potential health risks of dietary glycation compounds. For each adverse health effect considered in this assessment, however, only limited numbers of human, animal and in vitro studies were identified. While studies in humans were often limited due to small cohort size, short study duration, and confounders, experimental studies in animals that allow for controlled exposure to individual glycation compounds provided some evidence for impaired glucose tolerance, insulin resistance, cardiovascular effects and renal injury in response to oral exposure to dicarbonyl compounds, albeit at dose levels by far exceeding estimated human exposures. The overall database was generally inconsistent or inconclusive. Based on this systematic review, the SKLM concludes that there is at present no convincing evidence for a causal association between dietary intake of glycation compounds and adverse health effects.
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Affiliation(s)
- Michael Hellwig
- Chair of Special Food Chemistry, Technische Universität Dresden, Dresden, Germany
| | - Patrick Diel
- Department of Molecular and Cellular Sports Medicine, Institute of Cardiovascular Research and Sports Medicine, German Sport University Cologne, Cologne, Germany
| | | | - Tilman Grune
- Department of Molecular Toxicology, German Institute of Human Nutrition (DIfE), Nuthetal, Germany
| | - Sabine Guth
- Leibniz Research Centre for Working Environment and Human Factors (IfADo), Dortmund, Germany
| | - Thomas Henle
- Chair of Food Chemistry, TU Dresden, Dresden, Germany
| | | | - Hans-Georg Joost
- Department of Experimental Diabetology, German Institute of Human Nutrition (DIfE), Nuthetal, Germany
| | - Doris Marko
- Department of Food Chemistry and Toxicology, Faculty of Chemistry, University of Vienna, Vienna, Austria
| | - Jana Raupbach
- Institute of Food Chemistry, Technische Universität Braunschweig, Braunschweig, Germany
| | - Angelika Roth
- Leibniz Research Centre for Working Environment and Human Factors (IfADo), Dortmund, Germany
| | | | - Angela Mally
- Department of Toxicology, University of Würzburg, Würzburg, Germany
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Chalifour B, Holzhausen EA, Lim JJ, Yeo EN, Shen N, Jones DP, Peterson BS, Goran MI, Liang D, Alderete TL. The potential role of early life feeding patterns in shaping the infant fecal metabolome: implications for neurodevelopmental outcomes. NPJ METABOLIC HEALTH AND DISEASE 2023; 1:2. [PMID: 38299034 PMCID: PMC10828959 DOI: 10.1038/s44324-023-00001-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Accepted: 10/24/2023] [Indexed: 02/02/2024]
Abstract
Infant fecal metabolomics can provide valuable insights into the associations of nutrition, dietary patterns, and health outcomes in early life. Breastmilk is typically classified as the best source of nutrition for nearly all infants. However, exclusive breastfeeding may not always be possible for all infants. This study aimed to characterize associations between levels of mixed breastfeeding and formula feeding, along with solid food consumption and the infant fecal metabolome at 1- and 6-months of age. As a secondary aim, we examined how feeding-associated metabolites may be associated with early life neurodevelopmental outcomes. Fecal samples were collected at 1- and 6-months, and metabolic features were assessed via untargeted liquid chromatography/high-resolution mass spectrometry. Feeding groups were defined at 1-month as 1) exclusively breastfed, 2) breastfed >50% of feedings, or 3) formula fed ≥50% of feedings. Six-month groups were defined as majority breastmilk (>50%) or majority formula fed (≥50%) complemented by solid foods. Neurodevelopmental outcomes were assessed using the Bayley Scales of Infant Development at 2 years. Changes in the infant fecal metabolome were associated with feeding patterns at 1- and 6-months. Feeding patterns were associated with the intensities of a total of 57 fecal metabolites at 1-month and 25 metabolites at 6-months, which were either associated with increased breastmilk or increased formula feeding. Most breastmilk-associated metabolites, which are involved in lipid metabolism and cellular processes like cell signaling, were associated with higher neurodevelopmental scores, while formula-associated metabolites were associated with lower neurodevelopmental scores. These findings offer preliminary evidence that feeding patterns are associated with altered infant fecal metabolomes, which may be associated with cognitive development later in life.
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Affiliation(s)
- Bridget Chalifour
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO USA
| | | | - Joseph J. Lim
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO USA
| | - Emily N. Yeo
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO USA
| | - Natalie Shen
- Rollins School of Public Health, Emory University, Atlanta, GA USA
| | - Dean P. Jones
- School of Medicine, Emory University, Atlanta, GA USA
| | | | | | - Donghai Liang
- Rollins School of Public Health, Emory University, Atlanta, GA USA
| | - Tanya L. Alderete
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO USA
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