Reports of Biochemistry
and Molecular Biology
Mon, Jan 18, 2021
[Archive]
Vol.9 No.4 Jan
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Akram Davoodi, Ramin Lotfi, Seyed Hamidreza Mortazavi, Ali Gorgin Karaji, Alireza Rezaiemanesh, Farhad Salari *
Department of Immunology, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran.
Abstract: (201 Views)
Background: Retinoic acid (RA) plays a key role in naïve T cell differentiation into FOXP3+ Treg cell in the respiratory airways. The present study aims to investigate RA and Treg-related cytokine serum levels, salivary IgA levels, FOXP3 and IL-4 gene expression, and the relationships between RA serum levels and Treg-related cytokines in allergic rhinitis (AR) patients and healthy controls.
Methods: Salivary IgA and serum IgE, RA, IL-10, and TGF-β concentrations were measured by ELISA in 37 AR patients and 30 age- and sex-matched healthy controls.
Results: IL-10 and TGF-β concentrations were significantly less in AR patients than in healthy controls (p< 0.01 and P< 0.0001, respectively). Salivary IgA was significantly greater in patients than in controls (p< 0.05). RA was not significantly different between patients and controls (p> 0.05); however, a significant positive correlation was found between serum RA and both IL-10 and TGF-β in AR patients.
Conclusions: Our data suggest that RA may influence AR risk via affecting the TGF-β and IL-10 production.
Methods: Salivary IgA and serum IgE, RA, IL-10, and TGF-β concentrations were measured by ELISA in 37 AR patients and 30 age- and sex-matched healthy controls.
Results: IL-10 and TGF-β concentrations were significantly less in AR patients than in healthy controls (p< 0.01 and P< 0.0001, respectively). Salivary IgA was significantly greater in patients than in controls (p< 0.05). RA was not significantly different between patients and controls (p> 0.05); however, a significant positive correlation was found between serum RA and both IL-10 and TGF-β in AR patients.
Conclusions: Our data suggest that RA may influence AR risk via affecting the TGF-β and IL-10 production.
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