The reasons for the formation of tolerance to food antigens
Copyright© GEOTAR-Media Publishing Group..
One of the main issues of the peculiarities of the immune reactions of the gastrointestinal tract is the mechanisms of ensuring tolerance to food antigens. Concentrations of antibodies to food antigens actually reflect the state of the intestinal mucosa barrier function, and the degree of penetration of antigens into the blood determines the level of immune response to them. The aim of the study was to determine the risk criteria for violation of tolerance to food antigens. Material and methods. The study included the results of a survey and examination of 1334 adults living in the north of the European part of the Russian Federation, including 1100 born in the North, of which 970 were women and 364 were men. The average age of the respondents was 45.5±1.0 years. The comparison group consisted of 344 patients with pathology of the gastrointestinal tract who applied to the medical company "Biocor". The content of immunoglobulins (Ig) G to food antigens, total IgA, cytokines (tumor necrosis factor α, interleukin-6, interleukin-4) in blood serum were determined by enzyme immunoassay. Results. Rural residents often (more than 28%) have elevated concentrations of IgG to potato, river fish, wheat and rye antigens. Urban residents have the most pronounced decrease in tolerance to food antigens of chicken, cod, beef and pork. In healthy individuals, elevated (>100 ME/ml) concentrations of antibodies to meat products are recorded in the range of 11.3-13.9%, to dairy antigens - 11.5-14.1%, cereals - 11.9-13.4%. Slightly less frequently, elevated concentrations of antibodies to fish antigens (7.5-10.1%), vegetables (3.8-7.0%) and fruits (4.9-6.5%) are detected. In inflammatory and oncological diseases of the gastrointestinal tract, the content of antibodies to food antigens increases sharply. On average, the frequency of impaired tolerance to food antigens in patients is 2.7-6.1 times higher than in healthy individuals. Conclusion. Violation of tolerance to food antigens is associated with an increase in blood pro-inflammatory cytokines, mainly interleukin-6. In practically healthy individuals, a decrease in tolerance to food antigens is associated with a deficiency of blood IgA. The risk criteria for violation of the diet or consumption of low-quality foods may be an increase in the frequency of detection of elevated concentrations of antibodies to meat products in 14.6±3.0%, fish - 10.7±2.3%, cereals - 13.7±1.6%, dairy products - 14.8±1.5%, vegetables - 7.8±2.4% and fruits - 6.9±5.8%.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:92 |
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| Enthalten in: |
Voprosy pitaniia - 92(2023), 1 vom: 20., Seite 55-62 |
| Sprache: |
Russisch |
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| Beteiligte Personen: |
Dobrodeeva, L K [VerfasserIn] |
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| Links: |
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| Themen: |
Antibodies |
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| Anmerkungen: |
Date Completed 10.03.2023 Date Revised 10.03.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.33029/0042-8833-2023-92-1-55-62 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a One of the main issues of the peculiarities of the immune reactions of the gastrointestinal tract is the mechanisms of ensuring tolerance to food antigens. Concentrations of antibodies to food antigens actually reflect the state of the intestinal mucosa barrier function, and the degree of penetration of antigens into the blood determines the level of immune response to them. The aim of the study was to determine the risk criteria for violation of tolerance to food antigens. Material and methods. The study included the results of a survey and examination of 1334 adults living in the north of the European part of the Russian Federation, including 1100 born in the North, of which 970 were women and 364 were men. The average age of the respondents was 45.5±1.0 years. The comparison group consisted of 344 patients with pathology of the gastrointestinal tract who applied to the medical company "Biocor". The content of immunoglobulins (Ig) G to food antigens, total IgA, cytokines (tumor necrosis factor α, interleukin-6, interleukin-4) in blood serum were determined by enzyme immunoassay. Results. Rural residents often (more than 28%) have elevated concentrations of IgG to potato, river fish, wheat and rye antigens. Urban residents have the most pronounced decrease in tolerance to food antigens of chicken, cod, beef and pork. In healthy individuals, elevated (>100 ME/ml) concentrations of antibodies to meat products are recorded in the range of 11.3-13.9%, to dairy antigens - 11.5-14.1%, cereals - 11.9-13.4%. Slightly less frequently, elevated concentrations of antibodies to fish antigens (7.5-10.1%), vegetables (3.8-7.0%) and fruits (4.9-6.5%) are detected. In inflammatory and oncological diseases of the gastrointestinal tract, the content of antibodies to food antigens increases sharply. On average, the frequency of impaired tolerance to food antigens in patients is 2.7-6.1 times higher than in healthy individuals. Conclusion. Violation of tolerance to food antigens is associated with an increase in blood pro-inflammatory cytokines, mainly interleukin-6. In practically healthy individuals, a decrease in tolerance to food antigens is associated with a deficiency of blood IgA. The risk criteria for violation of the diet or consumption of low-quality foods may be an increase in the frequency of detection of elevated concentrations of antibodies to meat products in 14.6±3.0%, fish - 10.7±2.3%, cereals - 13.7±1.6%, dairy products - 14.8±1.5%, vegetables - 7.8±2.4% and fruits - 6.9±5.8% | ||
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