The role of resveratrol and curcumin is well documented in cancer, inflammation, diabetes and various other diseases. However, their immunosuppressive action on T cells, B cells and macrophages is not well documented. In the present study, we have ascertained the effect of resveratrol and curcumin on T and B cells and macrophages. The most striking findings were that both resveratrol and curcumin suppressed the activity of T and B cells and macrophages, as evidenced by significant inhibition in proliferation, antibody production and lymphokine secretion. Interestingly, curcumin imparted immunosuppression by mainly down-regulating the expression of CD28 and CD80 and up-regulating CTLA-4. Resveratrol also functioned by decreasing the expression of CD28 and CD80, as well as by augmenting the production of interleukin (IL)-10.
机构:Chinese Univ Hong Kong, Prince Wales Hosp, Dept Chem Pathol, Shatin, Hong Kong, Peoples R China
Ip, WK
Wong, CK
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机构:Chinese Univ Hong Kong, Prince Wales Hosp, Dept Chem Pathol, Shatin, Hong Kong, Peoples R China
Wong, CK
Leung, TF
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机构:Chinese Univ Hong Kong, Prince Wales Hosp, Dept Chem Pathol, Shatin, Hong Kong, Peoples R China
Leung, TF
Lam, CWK
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Chinese Univ Hong Kong, Prince Wales Hosp, Dept Chem Pathol, Shatin, Hong Kong, Peoples R ChinaChinese Univ Hong Kong, Prince Wales Hosp, Dept Chem Pathol, Shatin, Hong Kong, Peoples R China
机构:Chinese Univ Hong Kong, Prince Wales Hosp, Dept Chem Pathol, Shatin, Hong Kong, Peoples R China
Wong, CK
Lit, LCW
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机构:Chinese Univ Hong Kong, Prince Wales Hosp, Dept Chem Pathol, Shatin, Hong Kong, Peoples R China
Lit, LCW
Tam, LS
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机构:Chinese Univ Hong Kong, Prince Wales Hosp, Dept Chem Pathol, Shatin, Hong Kong, Peoples R China
Tam, LS
Li, EK
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机构:Chinese Univ Hong Kong, Prince Wales Hosp, Dept Chem Pathol, Shatin, Hong Kong, Peoples R China
Li, EK
Lam, CWK
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Chinese Univ Hong Kong, Prince Wales Hosp, Dept Chem Pathol, Shatin, Hong Kong, Peoples R ChinaChinese Univ Hong Kong, Prince Wales Hosp, Dept Chem Pathol, Shatin, Hong Kong, Peoples R China