Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
. 2022 Mar;42(3):545-551.
doi: 10.1007/s00296-021-04859-7. Epub 2021 Apr 16.

In vitro effects of curcumin on proinflammatory cytokines and expression of their genes in minor salivary gland tissue of patients with Sjogren's syndrome

Jayakanthan Kabeerdoss  1 , Pulukool Sandhya  1   2 , Biji T Kurien  3   4   5 , Robert Hal Scofield  3   4   5 , Debashish Danda  6
Affiliations

In vitro effects of curcumin on proinflammatory cytokines and expression of their genes in minor salivary gland tissue of patients with Sjogren's syndrome

Jayakanthan Kabeerdoss et al. Rheumatol Int. 2022 Mar.

Erratum in

Abstract

Curcumin reduces disease severity and ameliorates lupus-like/Sjögren's Syndrome-like disease in mice model. The immunological basis of these effects is largely unknown. This study examined the effects of curcumin on pro-inflammatory cytokines secreted by minor salivary glands in patients with primary Sjögren's syndrome (pSS). Minor salivary gland (MSG) tissue samples were collected from patients undergoing biopsy for suspected pSS. The tissues were treated with phytohemagglutinin (PHA) alone as well as PHA with curcumin (30 μM) and cultured in RPMI 1640 medium for 48 h at 37 °C in CO2 incubator. After the incubation period, culture supernatant and tissues were stored in the freezer (-80 °C). IL-6 levels were measured in supernatant by ELISA kit. Gene expressions of pro-inflammatory cytokines, namely IL-6, IL-8, TNF-α, IL-1β, IL-4, IL-10, IL-17, IL-21, and IFN-γ, were measured by qPCR. IL-6 secretion levels and gene expressions were compared statistically between groups by Student's t test. Forty-seven patients were screened. Eight patients satisfied ACR/EULAR criteria for pSS. Seven patients with absent glandular inflammation and negative serology constituted sicca controls. These 15 subjects were included in final analysis. In pSS group, but not in controls, median IL-6 levels in supernatant were less in curcumin-treated as compared to PHA-alone subset [5.5 (0.7-13.34) vs 18.3 (12-32) ng/ml; p = 0.0156]. mRNA expression levels of IL-6 were also lower in curcumin-treated samples as compared to PHA alone, when cases and controls were analyzed together as well as in cases alone (p = 0.0009 and p = 0.0078, respectively); however, mRNA expression of IL-1β was lower in curcumin-treated samples as compared to PHA alone, only when cases and controls were analyzed together (p = 0.0215). There was no difference in other cytokine gene expression levels between the subsets under the in-vitro experimental conditions. In conclusion, curcumin reduced mRNA expression as well as secretion of IL-6 levels by salivary gland tissue of patients with pSS. Curcumin also suppressed PHA-induced mRNA expression levels of IL-6 and IL-1β in MSG tissue of patients with pSS and controls when analyzed together as a combined group.

Keywords: Curcumin; Cytokines; Labial salivary gland; Sjogren’s syndrome.

PubMed Disclaimer

References

    1. Maciel G, Crowson CS, Matteson EL, Cornec D (2017) Incidence and mortality of physician-diagnosed primary Sjögren’s syndrome: time trends over a 40-year period in a population-based cohort in the United States. Mayo Clin Proc 92:734–743. https://doi.org/10.1016/j.mayocp.2017.01.020 - DOI - PubMed
    1. Nagpal M, Sood S (2013) Role of curcumin in systemic and oral health: an overview. J Nat SciBiol Med 4:3–7. https://doi.org/10.4103/0976-9668.107253 - DOI
    1. Kurien BT, Harris VM, Quadri SMS et al (2015) Significantly reduced lymphadenopathy, salivary gland infiltrates and proteinuria in MRL-lpr/lpr mice treated with ultrasoluble curcumin/turmeric: increased survival with curcumin treatment. Lupus Sci Med 2:e000114. https://doi.org/10.1136/lupus-2015-000114 - DOI - PubMed - PMC
    1. Maehara T, Moriyama M, Hayashida J-N et al (2012) Selective localization of T helper subsets in labial salivary glands from primary Sjögren’s syndrome patients. ClinExpImmunol 169:89–99. https://doi.org/10.1111/j.1365-2249.2012.04606.x - DOI
    1. Moriyama M, Hayashida J-N, Toyoshima T et al (2012) Cytokine/chemokine profiles contribute to understanding the pathogenesis and diagnosis of primary Sjögren’s syndrome. ClinExpImmunol 169:17–26. https://doi.org/10.1111/j.1365-2249.2012.04587.x - DOI

LinkOut - more resources