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Onyeaka H, Nwaiwu O, Obileke K, Miri T, Al‐Sharify ZT. Global nutritional challenges of reformulated food: A review. Food Sci Nutr 2023; 11:2483-2499. [PMID: 37324840 PMCID: PMC10261815 DOI: 10.1002/fsn3.3286] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 02/05/2023] [Accepted: 02/14/2023] [Indexed: 03/09/2023] Open
Abstract
Food reformulation, the process of redesigning processed food products to make them healthier, is considered a crucial step in the fight against noncommunicable diseases. The reasons for reformulating food vary, with a common focus on reducing the levels of harmful substances, such as fats, sugars, and salts. Although this topic is broad, this review aims to shed light on the current challenges faced in the reformulation of food and to explore different approaches that can be taken to overcome these challenges. The review highlights the perception of consumer risk, the reasons for reformulating food, and the challenges involved. The review also emphasizes the importance of fortifying artisanal food processing and modifying microbial fermentation in order to meet the nutrient requirements of people in developing countries. The literature suggests that while the traditional reductionist approach remains relevant and yields quicker results, the food matrix approach, which involves engineering food microstructure, is a more complex process that may take longer to implement in developing economies. The findings of the review indicate that food reformulation policies are more likely to succeed if the private sector collaborates with or responds to the government regulatory process, and further research is conducted to establish newly developed reformulation concepts from different countries. In conclusion, food reformulation holds great promise in reducing the burden of noncommunicable diseases and improving the health of people around the world.
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Affiliation(s)
- Helen Onyeaka
- School of Chemical EngineeringUniversity of Birmingham, EdgbastonBirminghamUK
| | - Ogueri Nwaiwu
- School of Chemical EngineeringUniversity of Birmingham, EdgbastonBirminghamUK
| | - KeChrist Obileke
- Faculty of Science and AgricultureUniversity of Fort HareAliceSouth Africa
| | - Taghi Miri
- School of Chemical EngineeringUniversity of Birmingham, EdgbastonBirminghamUK
| | - Zainab T. Al‐Sharify
- School of Chemical EngineeringUniversity of Birmingham, EdgbastonBirminghamUK
- Department of Environmental Engineering, College of EngineeringUniversity of Al‐MustansiriyaBaghdadIraq
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Kolobarić N, Mihalj M, Kozina N, Matić A, Mihaljević Z, Jukić I, Drenjančević I. Tff3-/- Knock-Out Mice with Altered Lipid Metabolism Exhibit a Lower Level of Inflammation following the Dietary Intake of Sodium Chloride for One Week. Int J Mol Sci 2023; 24:ijms24087315. [PMID: 37108475 PMCID: PMC10138311 DOI: 10.3390/ijms24087315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 04/12/2023] [Accepted: 04/13/2023] [Indexed: 04/29/2023] Open
Abstract
A high salt intake causes hemodynamic changes and promotes immune response through cell activation and cytokine production, leading to pro-inflammatory conditions. Transgenic Tff3-/- knock-out mice (TFF3ko) (n = 20) and wild-type mice (WT) (n = 20) were each divided into the (1) low-salt (LS) group and (2) high-salt (HS) group. Ten-week-old animals were fed with standard rodent chow (0.4% NaCl) (LS) or food containing 4% NaCl (HS) for one week (7 days). Inflammatory parameters from the sera were measured by Luminex assay. The integrin expression and rates of T cell subsets of interest from the peripheral blood leukocytes (PBLs) and mesenteric lymph nodes (MLNs) were measured using flow cytometry. There was a significant increase in high-sensitivity C reactive protein (hsCRP) only in the WT mice following the HS diet, while there were no significant changes in the serum levels of IFN-γ, TNF-α, IL-2, IL-4, or IL-6 as a response to treatment in either study groups. The rates of CD4+CD25+ T cells from MLNs decreased, while CD3+γδTCR+ from peripheral blood increased following the HS diet only in TFF3ko. γδTCR expressing T cell rates decreased in WT following the HS diet. The CD49d/VLA-4 expression decreased in the peripheral blood leukocytes in both groups following the HS diet. CD11a/LFA-1 expression significantly increased only in the peripheral blood Ly6C-CD11ahigh monocytes in WT mice following salt loading. In conclusion, salt-loading in knock-out mice caused a lower level of inflammatory response compared with their control WT mice due to gene depletion.
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Grants
- #IP-2014-09-6380/V-ELI Athero, PI I. Drenjančević Croatian Science Foundation
- VIF-2018-MEFOS-09-1509 (The influence of increased NaCl values on endothelial function in model TFF-/- mice and HAEC cell cultures) Faculty of Medicine Osijek, Josip Juraj Strossmayer University of Osijek, Croatia
- VIF-2019-MEFOS (The effect of increased NaCl values on the mechanisms of vascular reactivity in model of Tff3-/- mice and HAEC cell cultures, PI I. Drenjančević) Faculty of Medicine Osijek, Josip Juraj Strossmayer University of Osijek, Croatia
- VIF-2020-MEFOS (The effect of increased NaCl values on the mechanisms of vascular reactivity in model of Tff3-/- mice, Sprague-Dawley rats and HAEC cell cultures, PI I. Drenjančević) Faculty of Medicine Osijek, Josip Juraj Strossmayer University of Osijek, Croatia
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Affiliation(s)
- Nikolina Kolobarić
- Department of Physiology and Immunology, Faculty of Medicine Osijek, J. J. Strossmayer University of Osijek, J. Huttlera 4, 31000 Osijek, Croatia
- Scientific Center of Excellence for Personalized Health Care, J. J. Strossmayer University of Osijek, Trg Svetog Trojstva 3, 31000 Osijek, Croatia
| | - Martina Mihalj
- Department of Physiology and Immunology, Faculty of Medicine Osijek, J. J. Strossmayer University of Osijek, J. Huttlera 4, 31000 Osijek, Croatia
- Scientific Center of Excellence for Personalized Health Care, J. J. Strossmayer University of Osijek, Trg Svetog Trojstva 3, 31000 Osijek, Croatia
- Department of Dermatology and Venereology, Osijek University Hospital, J. Huttlera 4, 31000 Osijek, Croatia
| | - Nataša Kozina
- Department of Physiology and Immunology, Faculty of Medicine Osijek, J. J. Strossmayer University of Osijek, J. Huttlera 4, 31000 Osijek, Croatia
- Scientific Center of Excellence for Personalized Health Care, J. J. Strossmayer University of Osijek, Trg Svetog Trojstva 3, 31000 Osijek, Croatia
| | - Anita Matić
- Department of Physiology and Immunology, Faculty of Medicine Osijek, J. J. Strossmayer University of Osijek, J. Huttlera 4, 31000 Osijek, Croatia
- Scientific Center of Excellence for Personalized Health Care, J. J. Strossmayer University of Osijek, Trg Svetog Trojstva 3, 31000 Osijek, Croatia
| | - Zrinka Mihaljević
- Department of Physiology and Immunology, Faculty of Medicine Osijek, J. J. Strossmayer University of Osijek, J. Huttlera 4, 31000 Osijek, Croatia
- Scientific Center of Excellence for Personalized Health Care, J. J. Strossmayer University of Osijek, Trg Svetog Trojstva 3, 31000 Osijek, Croatia
| | - Ivana Jukić
- Department of Physiology and Immunology, Faculty of Medicine Osijek, J. J. Strossmayer University of Osijek, J. Huttlera 4, 31000 Osijek, Croatia
- Scientific Center of Excellence for Personalized Health Care, J. J. Strossmayer University of Osijek, Trg Svetog Trojstva 3, 31000 Osijek, Croatia
| | - Ines Drenjančević
- Department of Physiology and Immunology, Faculty of Medicine Osijek, J. J. Strossmayer University of Osijek, J. Huttlera 4, 31000 Osijek, Croatia
- Scientific Center of Excellence for Personalized Health Care, J. J. Strossmayer University of Osijek, Trg Svetog Trojstva 3, 31000 Osijek, Croatia
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High K + intake alleviates experimental autoimmune encephalomyelitis (EAE) and increases T regulatory cells. Cell Immunol 2022; 382:104637. [PMID: 36343517 DOI: 10.1016/j.cellimm.2022.104637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 10/25/2022] [Accepted: 10/29/2022] [Indexed: 11/06/2022]
Abstract
Multiple sclerosis is believed to be triggered by the interplay between the environmental and genetic factors. In contrast to the Paleolithic diet, the modern Western diet is high in Na+ and low in K+. The present study was undertaken to determine whether high K+ intake alleviated experimental autoimmune encephalomyelitis (EAE), a model of multiple sclerosis. Treatment of C57BL/6 or SJL mice for 7 days with a 5 % K+ diet prior to induction of EAE and maintaining mice on the diet until the end of experiments delayed the onset, reduced the peak, and accelerated the recovery of EAE in both strains compared with mice on a control diet (0.7 % K+), whereas feeding C57BL/6 mice with a 0.1 % K+ diet did the opposite. High K+ intake increased the splenic Treg cell frequency in the pretreatment and peak EAE. Thus, high K+ intake attenuates EAE, possibly by increasing the Treg cells.
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Wenstedt EFE, Peters Sengers H, Boekholdt SM, Khaw K, Wareham NJ, van den Born BH, Vogt L. Relationship of Sodium Intake With Granulocytes, Renal and Cardiovascular Outcomes in the Prospective EPIC-Norfolk Cohort. J Am Heart Assoc 2022; 11:e023727. [PMID: 35730648 PMCID: PMC9333397 DOI: 10.1161/jaha.121.023727] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background Experimental studies show that high-sodium intake affects the innate immune system, among others with increased circulating granulocytes. Whether this relationship exists on a population level and whether this relates to disease outcomes is unclear. We aimed to test the hypotheses that (1) sodium intake is associated with granulocytes on a population level; (2) granulocytes are associated with the presence of hypertension and both cardiovascular and renal outcomes; and (3) the relation between high-sodium intake and these outcomes is mediated by granulocytes. Methods and Results We performed an analysis in 13 804 participants from the prospective EPIC (European Prospective Investigation into Cancer)-Norfolk cohort, with a mean age of 58 years and median follow-up of 19.3 years. Analyses were carried out using calculated estimated sodium intake and sodium-to-potassium ratios from spot urines at baseline. The main outcomes were hypertension at baseline, and composite cardiovascular (mortality or cardiovascular events) and renal (mortality or renal events) outcomes during follow-up. Sodium intake and urine sodium-to-potassium ratio were positively associated with circulating granulocyte concentrations after adjustment for confounders (β=0.03; P=0.028 and β=0.06; P<0.001, respectively). Granulocytes significantly mediated the associations of, respectively, sodium intake and urine sodium-to-potassium ratio with hypertension at baseline, and cardiovascular and renal outcomes. Conclusions Sodium intake is positively associated with circulating granulocyte concentrations, and higher granulocyte concentrations associate with worse long-term cardiovascular and renal outcomes. Given the recently established immune-modulating effects of sodium and the role of immune cells in both cardiovascular and renal disease, causality for this pathway may need consideration in further studies.
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Affiliation(s)
- Eliane F. E. Wenstedt
- Department of Internal MedicineSection of NephrologyAmsterdam UMCUniversity of AmsterdamAmsterdam Cardiovascular SciencesAmsterdamThe Netherlands
| | - Hessel Peters Sengers
- Amsterdam UMCUniversity of AmsterdamCenter for Experimental and Molecular MedicineAmsterdamThe Netherlands,Amsterdam UMCThe Amsterdam Institute for Infection and ImmunityAmsterdamThe Netherlands
| | | | - Kay‐Tee Khaw
- Department of Public Health and Primary CareUniversity of CambridgeUnited Kingdom,MRC Epidemiology UnitCambridgeUnited Kingdom
| | | | - Bert‐Jan H. van den Born
- Department of Internal MedicineSection of Vascular MedicineAmsterdam UMCUniversity of AmsterdamAmsterdam Cardiovascular SciencesAmsterdamThe Netherlands
| | - Liffert Vogt
- Department of Internal MedicineSection of NephrologyAmsterdam UMCUniversity of AmsterdamAmsterdam Cardiovascular SciencesAmsterdamThe Netherlands
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Tan J, Taitz J, Sun SM, Langford L, Ni D, Macia L. Your Regulatory T Cells Are What You Eat: How Diet and Gut Microbiota Affect Regulatory T Cell Development. Front Nutr 2022; 9:878382. [PMID: 35529463 PMCID: PMC9067578 DOI: 10.3389/fnut.2022.878382] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Accepted: 03/21/2022] [Indexed: 12/12/2022] Open
Abstract
Modern industrial practices have transformed the human diet over the last century, increasing the consumption of processed foods. Dietary imbalance of macro- and micro-nutrients and excessive caloric intake represent significant risk factors for various inflammatory disorders. Increased ingestion of food additives, residual contaminants from agricultural practices, food processing, and packaging can also contribute deleteriously to disease development. One common hallmark of inflammatory disorders, such as autoimmunity and allergies, is the defect in anti-inflammatory regulatory T cell (Treg) development and/or function. Treg represent a highly heterogeneous population of immunosuppressive immune cells contributing to peripheral tolerance. Tregs either develop in the thymus from autoreactive thymocytes, or in the periphery, from naïve CD4+ T cells, in response to environmental antigens and cues. Accumulating evidence demonstrates that various dietary factors can directly regulate Treg development. These dietary factors can also indirectly modulate Treg differentiation by altering the gut microbiota composition and thus the production of bacterial metabolites. This review provides an overview of Treg ontogeny, both thymic and peripherally differentiated, and highlights how diet and gut microbiota can regulate Treg development and function.
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Affiliation(s)
- Jian Tan
- Charles Perkins Centre, The University of Sydney, Sydney, NSW, Australia
- School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia
| | - Jemma Taitz
- Charles Perkins Centre, The University of Sydney, Sydney, NSW, Australia
- School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia
| | - Shir Ming Sun
- Charles Perkins Centre, The University of Sydney, Sydney, NSW, Australia
- School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia
| | - Lachlan Langford
- Charles Perkins Centre, The University of Sydney, Sydney, NSW, Australia
- School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia
| | - Duan Ni
- Charles Perkins Centre, The University of Sydney, Sydney, NSW, Australia
- School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia
| | - Laurence Macia
- Charles Perkins Centre, The University of Sydney, Sydney, NSW, Australia
- School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia
- Sydney Cytometry, The University of Sydney and The Centenary Institute, Sydney, NSW, Australia
- *Correspondence: Laurence Macia
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24-hour central blood pressure and immune system activation in adolescents with primary hypertension - a preliminary study. Cent Eur J Immunol 2022; 47:160-167. [PMID: 36751390 PMCID: PMC9894090 DOI: 10.5114/ceji.2022.117929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Accepted: 05/16/2022] [Indexed: 11/17/2022] Open
Abstract
Introduction Adult and pediatric data suggest a positive relationship between the extent of subclinical inflammation, blood pressure, and hypertension-mediated organ damage (HMOD) in primary hypertension (PH). 24-hour (24-h) ambulatory blood pressure (ABPM) and central blood pressure (CBP) are strong predictors of HMOD. Our study aimed to analyze the relationship between 24-h central ABPM, subclinical inflammation, and clinical data in adolescents with PH. Material and methods In 28 untreated adolescents with PH (14.50 ±2.27 years) and 25 healthy peers (14.76 ±2.83 years), we analyzed 24-h peripheral and central ABPM, markers of subclinical inflammation (neutrophil-to-lymphocyte ratio - NLR, platelet-to-lymphocyte ratio - PLR, mean platelet volume - MPV), and clinical and biochemical data. Results Patients with PH had higher 24-h peripheral and central blood pressure than healthy peers. In all 53 patients, we found significant (p < 0.05) positive correlations between NLR, PLR and 24-h central systolic, diastolic, and mean blood pressure (24-h cSBP, 24-h cDBP, 24-h cMAP), between 24-h central augmentation index corrected for heart rate 75 (24-h cAIx75HR) and platelet count. In 28 patients with PH, 24-h cAIx75HR correlated with low-density lipoprotein (LDL) cholesterol (R = 0.442), and ambulatory arterial stiffness index with body mass index (BMI) (R = 0.487), uric acid (R = 0.430), and high-density lipoprotein (HDL) cholesterol (R = -0.428). Conclusions Increased central 24-h blood pressure may be associated with immune system activation in adolescents with primary hypertension. In adolescents with primary hypertension, dyslipidemia and hyperuricemia are risk factors for increased arterial stiffness. Further studies on central and peripheral blood pressure in terms of their relationship with inflammation in these patients are needed.
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Zielinski CE. Regulation of T Cell Responses by Ionic Salt Signals. Cells 2021; 10:cells10092365. [PMID: 34572015 PMCID: PMC8471541 DOI: 10.3390/cells10092365] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Revised: 09/07/2021] [Accepted: 09/07/2021] [Indexed: 12/16/2022] Open
Abstract
T helper cell responses are tailored to their respective antigens and adapted to their specific tissue microenvironment. While a great proportion of T cells acquire a resident identity, a significant proportion of T cells continue circulating, thus encountering changing microenvironmental signals during immune surveillance. One signal, which has previously been largely overlooked, is sodium chloride. It has been proposed to have potent effects on T cell responses in the context of autoimmune, allergic and infectious tissue inflammation in mouse models and humans. Sodium chloride is stringently regulated in the blood by the kidneys but displays differential deposition patterns in peripheral tissues. Sodium chloride accumulation might furthermore be regulated by dietary intake and thus by intentional behavior. Together, these results make sodium chloride an interesting but still controversial signal for immune modulation. Its downstream cellular activities represent a potential therapeutic target given its effects on T cell cytokine production. In this review article, we provide an overview and critical evaluation of the impact of this ionic signal on T helper cell polarization and T helper cell effector functions. In addition, the impact of sodium chloride from the tissue microenvironment is assessed for human health and disease and for its therapeutic potential.
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Affiliation(s)
- Christina E. Zielinski
- Department of Infection Immunology, Leibniz Institute for Natural Product Research and Infection Biology, Hans-Knoell-Institute, 07745 Jena, Germany;
- Department of Biological Sciences, Friedrich Schiller-University, 07743 Jena, Germany
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Wenstedt EFE, Remmerswaal EBM, van der Bom-Baylon ND, Schrooten EM, Bemelman FJ, Vogt L. The effect of high-salt diet on t-lymphocyte subpopulations in healthy males-A pilot study. J Clin Hypertens (Greenwich) 2020; 22:2152-2155. [PMID: 32960505 PMCID: PMC7756710 DOI: 10.1111/jch.14049] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 08/13/2020] [Accepted: 08/31/2020] [Indexed: 01/06/2023]
Abstract
Animal studies show that high‐salt diet affects T‐cell subpopulations, but evidence in humans is scarce and contradictory. This pilot study investigated the effect of a 2‐week high‐salt diet on T‐cell subpopulations (ie, γδ T cells, Th17 cells, and regulatory T cells) in five healthy males. The mean (SD) age of the participants was 33 (2) years, with normal body mass index, kidney function, and baseline blood pressure. In terms of phenotype, there was an isolated increase of CD69 expression in Vδ1 T cells (P = .04), which is an early activation marker. There were no statistically significant changes or trends in any of the other tested markers or in the Th17 or regulatory T‐cell subsets. The increase in CD69 was strongly correlated to increases in 24‐hour urinary sodium excretion (r = .93, P = .02). These results of this pilot may motivate the use of longer dietary salt interventions in future studies on salt and adaptive immune cells.
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Affiliation(s)
- Eliane F E Wenstedt
- Department of Internal Medicine, Section of Nephrology, Amsterdam Cardiovascular Sciences, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Ester B M Remmerswaal
- Department of Experimental Immunology, Amsterdam Infection & Immunity Institute (AI&II), Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Nelly D van der Bom-Baylon
- Department of Experimental Immunology, Amsterdam Infection & Immunity Institute (AI&II), Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Esmee M Schrooten
- Department of Internal Medicine, Section of Nephrology, Amsterdam Cardiovascular Sciences, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Frederike J Bemelman
- Department of Internal Medicine, Section of Nephrology, Amsterdam Cardiovascular Sciences, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Liffert Vogt
- Department of Internal Medicine, Section of Nephrology, Amsterdam Cardiovascular Sciences, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
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