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Campanhon IB, de Aguiar PF, Bezerra FF, Soares MR, Torres AG. Human colostrum in vitro protein digestion: peptidomics by liquid chromatography-Orbitrap-high-resolution MS and prospection for bioactive peptides via bioinformatics. Br J Nutr 2024; 131:17-26. [PMID: 37485899 DOI: 10.1017/s0007114523001459] [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] [Indexed: 07/25/2023]
Abstract
Breast milk is known to contain bioactive peptides that are released during digestion, being a major source of bioactive peptides to the new-born, some of which act against invading pathogens. However, the formation of bioactive peptides during digestion of human colostrum remains largely uninvestigated. This study aimed to investigate the formation of peptides during simulated digestion of human colostrum from adult women and to prospect antimicrobial peptides. For this purpose, we used high-resolution MS to monitor the release of peptides during in vitro digestion. Bioinformatics was used for the prospection of antimicrobial activity of peptides. During simulated digestion (oral, gastric and duodenal phases), 2318 peptide sequences derived from 112 precursor proteins were identified. At the end of simulated digestion, casein-derived peptide sequences were the most frequently observed. Among precursors, some proteins were seen for the first time in this study. The resulting peptides were rich in proline, glutamine, valine and leucine residues, providing characteristic traits of antimicrobial peptides. From bioinformatics analysis, seven peptides showed potentially high antimicrobial activity towards bacteria, viruses and fungi, from which the latter was the most prominent predicted activity. Antimicrobial peptides released during digestion may provide a defence platform with controlled release for the new-born.
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Affiliation(s)
- Isabele Batista Campanhon
- Department of Biochemistry, Institute of Chemistry, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
- Lipid Biochemistry and Lipidomics Laboratory and Laboratory of Food Science and Nutritional Biochemistry, Institute of Chemistry, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Paula Fernandes de Aguiar
- Laboratory of Chemometrics (LABQUIM), Department of Analytical Chemistry, Institute of Chemistry, Universidade Federal Rio de Janeiro, Rio de Janeiro, Brazil
| | - Flávia Fioruci Bezerra
- Department of Basic and Experimental Nutrition, Nutrition Institute, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Márcia Regina Soares
- Department of Biochemistry, Institute of Chemistry, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Alexandre Guedes Torres
- Lipid Biochemistry and Lipidomics Laboratory and Laboratory of Food Science and Nutritional Biochemistry, Institute of Chemistry, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
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Sørensen ES, Christensen B. Milk Osteopontin and Human Health. Nutrients 2023; 15:nu15112423. [PMID: 37299387 DOI: 10.3390/nu15112423] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 05/16/2023] [Accepted: 05/19/2023] [Indexed: 06/12/2023] Open
Abstract
Osteopontin (OPN) is a multifunctional protein found in all vertebrates. OPN is expressed in many different cell types, and is consequently found in most tissues and physiological secretions. OPN is involved in a multitude of biological processes, such as activation and regulation of the immune system; biomineralization; tissue-transformative processes, including growth and development of the gut and brain; interaction with bacteria; and many more. OPN is found in the highest concentrations in milk, where it is believed to initiate and regulate developmental, immunological and physiological processes in infants who consume milk. Processes for the isolation of bovine OPN for use in infant formula have been developed, and in recent years, many studies have investigated the effects of the intake of milk OPN. The purpose of this article is to review and compare existing knowledge about the structure and function of milk OPN, with a particular focus on the effects of milk OPN on human health and disease.
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Affiliation(s)
- Esben S Sørensen
- Department of Molecular Biology and Genetics, Aarhus University, DK-8000 Aarhus, Denmark
| | - Brian Christensen
- Department of Molecular Biology and Genetics, Aarhus University, DK-8000 Aarhus, Denmark
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How to adjust α-lactalbumin and β-casein ratio in milk protein formula to give a similar digestion pattern to human milk? J Food Compost Anal 2022. [DOI: 10.1016/j.jfca.2022.104536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Turck D, Castenmiller J, De Henauw S, Hirsch‐Ernst KI, Kearney J, Maciuk A, Mangelsdorf I, McArdle HJ, Naska A, Pelaez C, Pentieva K, Siani A, Thies F, Tsabouri S, Vinceti M, Cubadda F, Frenzel T, Heinonen M, Maradona MP, Marchelli R, Neuhäuser‐Berthold M, Poulsen M, Schlatter JR, van Loveren H, Gelbmann W, Knutsen HK. Safety of bovine milk osteopontin as a Novel food pursuant to Regulation (EU) 2015/2283. EFSA J 2022; 20:e07137. [PMID: 35572202 PMCID: PMC9074041 DOI: 10.2903/j.efsa.2022.7137] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
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Elwakiel M, Boeren S, Wang W, Schols HA, Hettinga KA. Degradation of Proteins From Colostrum and Mature Milk From Chinese Mothers Using an in vitro Infant Digestion Model. Front Nutr 2020; 7:162. [PMID: 33117838 PMCID: PMC7557360 DOI: 10.3389/fnut.2020.00162] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Accepted: 08/10/2020] [Indexed: 12/14/2022] Open
Abstract
This study provided insights into the degradation of human milk proteins in an in vitro infant digestion model by comparing colostrum (week 1) and mature milk (week 4) of 7 Chinese mothers individually. In this study, we adapted the exiting INFOGEST in vitro model, to conditions representative to infants (0 to 3 month-old). The level of undigested proteins was analyzed by LC-MS/MS after gel-electrophoretic separation and in-gel digestion. The BCA protein assay showed that the total undigested milk protein content decreased from the start to the end of digestion with variations between mothers, especially in the gastric phase (25–80%). Undigested proteins could also still be found after the intestinal phase, ranging from 0.5 to 4.2% of initial protein content. Based on LC-MS/MS analysis, milk protein digestion varied between the mothers individually, especially during the gastric phase. No differences could be observed between protein digestion from colostrum and mature milk after the intestinal phase. The highest levels of proteins remaining after intestinal digestion can be linked to the group immune-active proteins, for all mothers. The level of protease inhibitors and total protein content in the milk did not correlate with the overall proteolysis during digestion. The results also showed that milk serum proteins partly remained after the gastric phase, with 33% remaining from colostrum and 37% remaining from mature milk. More than 40 milk serum proteins were detected after the intestinal phase. Some of the highly abundant milk serum proteins (lactoferrin, serum albumin, bile salt-activated lipase, immunoglobulins, α1-antichymotrypsin) were still partially present intact after the intestinal phase, for all mothers. Caseins were also not completely digested in the gastric phase, with 35% remaining from colostrum and 13% remaining from mature milk. Caseins, on the other hand, were almost completely digested after the intestinal phase. The complete degradation of caseins into peptides might be related to their structural features. Overall, this study showed that digestion differed for the various human milk proteins by adapting an in vitro digestion model to infant physiological conditions, with the main differences between digestion of the milk from individual mothers being observed after gastric digestion.
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Affiliation(s)
- Mohèb Elwakiel
- Food Quality and Design Group, Wageningen University & Research, Wageningen, Netherlands.,Laboratory of Food Chemistry, Wageningen University & Research, Wageningen, Netherlands
| | - Sjef Boeren
- Laboratory of Biochemistry, Wageningen University & Research, Wageningen, Netherlands
| | - Wendan Wang
- Inner Mongolia Yili Industrial Group Co., Ltd., Hohhot, China
| | - Henk A Schols
- Laboratory of Food Chemistry, Wageningen University & Research, Wageningen, Netherlands
| | - Kasper A Hettinga
- Food Quality and Design Group, Wageningen University & Research, Wageningen, Netherlands
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Mackie A, Mulet-Cabero AI, Torcello-Gómez A. Simulating human digestion: developing our knowledge to create healthier and more sustainable foods. Food Funct 2020; 11:9397-9431. [DOI: 10.1039/d0fo01981j] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The gold standard for nutrition studies is clinical trials but they are expensive and variable, and do not always provide the mechanistic information required, hence the increased use ofin vitroand increasinglyin silicosimulations of digestion.
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Affiliation(s)
- Alan Mackie
- The School of Food Science and Nutrition
- University of Leeds
- Leeds
- UK
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Gimeno-Alcañiz JV, Collado MC. Impact of human milk on the transcriptomic response of fetal intestinal epithelial cells reveals expression changes of immune-related genes. Food Funct 2019; 10:140-150. [PMID: 30499575 PMCID: PMC6350622 DOI: 10.1039/c8fo01107a] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Human milk, the best food for infants, is a dynamic and complex fluid that directly influences the immune system and microbiota establishment.
Human milk, the best food for infants, is a dynamic and complex fluid that directly influences the immune system and microbiota establishment. The protective role of human milk is well known although the mechanisms behind it still need to be uncovered. This study aimed to characterize the impact of human milk in the immature intestine of newborns by analyzing the global transcriptomic response of the FHs 74 int cell line (ATCC CCL-241). The expression of intestinal keratins and other genes with a well-annotated intestinal or epithelial function validated FHs 74 int derived from the fetal small intestine as a model of the intestinal epithelium of newborns. Cells exposed to skimmed human milk showed seventeen differentially expressed genes, most of them up-regulated, including four chemokine genes (CXCL1, CXCL2, CXCL3 and CXCL10) and other immune-related genes. qRT-PCR and ELISA analysis confirmed the microarray data and indicated a different pattern of expression upon milk exposure in FHs 74 int as compared to the adult tumorigenic Caco-2 cell line. The evaluation of the functional significance of these transcriptomic changes reveals that human milk exposure may contribute to the regulation of the inflammatory response in the intestine during the perinatal period, which is characterized by the immaturity of the immune system and a pro-inflammatory phenotype.
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Affiliation(s)
- José V Gimeno-Alcañiz
- Instituto de agroquímica y tecnología de alimentos (IATA-CSIC), Department of Biotechnology, Avenida Agustín Escardino 7, 46980 Paterna, Spain.
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Liu H, Wu H, Wang Q. The Variations, Including Structures and Attenuation to Hemolysis, of Peptide Purified from Dendrobium aphyllum During In Vitro Gastro-Intestinal Digestion and Caco-2 Uptake and Transportation. Int J Pept Res Ther 2018. [DOI: 10.1007/s10989-018-9778-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Shani-Levi C, Alvito P, Andrés A, Assunção R, Barberá R, Blanquet-Diot S, Bourlieu C, Brodkorb A, Cilla A, Deglaire A, Denis S, Dupont D, Heredia A, Karakaya S, Giosafatto CVL, Mariniello L, Martins C, Ménard O, El SN, Vegarud GE, Ulleberg E, Lesmes U. Extending in vitro digestion models to specific human populations: Perspectives, practical tools and bio-relevant information. Trends Food Sci Technol 2017. [DOI: 10.1016/j.tifs.2016.10.017] [Citation(s) in RCA: 108] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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Nutritive Evaluation of the Bambara Groundnut Ci12 Landrace [Vigna subterranea (L.) Verdc. (Fabaceae)] Produced in Côte d'Ivoire. Int J Mol Sci 2015; 16:21428-41. [PMID: 26370971 PMCID: PMC4613261 DOI: 10.3390/ijms160921428] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2015] [Revised: 08/04/2015] [Accepted: 08/10/2015] [Indexed: 11/17/2022] Open
Abstract
The nutritional evaluation of the Bambara groundnut Ci12 landrace (Vigna subterranea (L.) Verdc.) seeds produced in Côte d'Ivoire shows a 19% content of protein, containing all the essential amino acids with tryptophan as the limiting amino acid, a total dietary fiber level of 10%, with a low soluble fraction content, and a fat content of 1.4%, with a high proportion of total unsaturated fatty acids (61%) of which 36% were n-6 fatty acids. This legume contains phosphorus, as the major mineral, followed by magnesium and calcium, and trace elements (iron, copper and zinc). It is characterized by the same amount of α-tocopherol and antioxidant capacity as common legumes. The high concentration of essential amino acids, n-6 fatty acids and minerals, mainly Fe, in the Ci12 landrace of Bambara groundnut indicates that this local legume has the potentiality to improve the nutritional status in Côte d'Ivoire and it could be regarded as a nutrient dense food.
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