ArticleDigestive diseases and sciences2001
Lamina propria lymphocytes produce interferon-gamma and develop suppressor activity in response to lactoglobulin.
Article in Digestive diseases and sciences, 2001. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
2 citing papers in PubMed.
- Dietary Whey Protein Supplementation Increases Immunoglobulin G Production by Affecting Helper T Cell Populations after Antigen Exposure.Foods (Basel, Switzerland) · 2021Article
- Milk Processing Affects Structure, Bioavailability and Immunogenicity of β-lactoglobulin.Foods (Basel, Switzerland) · 2020Review
Corrections and comments
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Authors and funding
2 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
This study examines the in vitro response of human lamina propria lymphocytes (LPLs) to food antigens. LPLs were obtained from jejunum of healthy individuals undergoing gastric bypass operations for morbid obesity. Proliferation was assayed by [3H]thymidine incorporation and cytokine production by ELISA. LPLs proliferated in response to keyhole limpet hemocyanin, ovalbumin, lactoglobulin, and phytohemagglutinin (PHA), but not to yeast. The responses to lactoglobulin and PHA were inhibited by the CTLA4/Fc chimera and by MAbs against CD2, CD58, CD80, and CD86, indicating stimulation of CD28+ LPLs with antigen-presenting cells through activation of the CD2 pathway. Besides producing IL-2, IL-10, and TNF-alpha, LPLs synthesized large amounts of IFN-gamma (100 ng/ml) with lactoglobulin, a process dependent upon CD80/CD86, CD40/CD40L, and IL-12. After a three-day culture with lactoglobulin, ovalbumin, or PHA, LPLs developed suppressor activity that reduced proliferation of naive LPLs to these same stimuli. In summary, LPLs first respond to lactoglobulin by proliferation and IFN-gamma production, then by development of antigen nonspecific suppression.
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Identifiers
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Registered trials
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