Piceatannol inhibits effector T cell functions by suppressing TcR signaling

Do Hyun Kim, Yong Gab Lee, Hong Jai Park, Jung Ah Lee, Hyun Jung Kim, Jae-Kwan Hwang, Je Min Choi

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Piceatannol, a metabolite of resveratrol found in red wine and grapes, displays a wide spectrum of biological activity. Although the anti-oxidant, anti-inflammatory, and anti-tumorigenesis activity of piceatannol has been extensively studied, its role in the adaptive immune response has received less attention. Here we investigated the role of piceatannol, a well-known Syk inhibitor, in T cell activation, proliferation, and differentiation using isolated murine splenic T cells from C57BL/6 mice. Piceatannol treatment inhibited surface expression of CD4 and CD8 T cell activation markers CD25 and CD69, reduced production of cytokines IFNγ, IL-2, and IL-17, and suppressed proliferation of activated T cells. Moreover, piceatannol treatment significantly inhibited differentiation of CD4+CD25-CD62L+ naïve CD4 T cells into Th1, Th2, and Th17 cells, presumably due to inhibition of TcR signaling through p-Erk, p-Akt, and p-p38. Piceatannol appears to be a useful nutritional or pharmacological biomolecule that regulates effector T cell functions such as cytokine production, differentiation, and proliferation.

Original languageEnglish
Pages (from-to)285-292
Number of pages8
JournalInternational Immunopharmacology
Volume25
Issue number2
DOIs
Publication statusPublished - 2015 Jan 1

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T-Lymphocytes
Cytokines
Th17 Cells
Th2 Cells
Th1 Cells
Interleukin-17
Vitis
Adaptive Immunity
Wine
Inbred C57BL Mouse
Oxidants
Interleukin-2
3,3',4,5'-tetrahydroxystilbene
Cell Differentiation
Carcinogenesis
Anti-Inflammatory Agents
Cell Proliferation
Pharmacology

All Science Journal Classification (ASJC) codes

  • Immunology and Allergy
  • Immunology
  • Pharmacology

Cite this

Kim, Do Hyun ; Lee, Yong Gab ; Park, Hong Jai ; Lee, Jung Ah ; Kim, Hyun Jung ; Hwang, Jae-Kwan ; Choi, Je Min. / Piceatannol inhibits effector T cell functions by suppressing TcR signaling. In: International Immunopharmacology. 2015 ; Vol. 25, No. 2. pp. 285-292.
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Piceatannol inhibits effector T cell functions by suppressing TcR signaling. / Kim, Do Hyun; Lee, Yong Gab; Park, Hong Jai; Lee, Jung Ah; Kim, Hyun Jung; Hwang, Jae-Kwan; Choi, Je Min.

In: International Immunopharmacology, Vol. 25, No. 2, 01.01.2015, p. 285-292.

Research output: Contribution to journalArticle

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