Tripathy NK, Chauhan SK, Nityanand S. Cytokine mRNA repertoire of peripheral blood mononuclear cells in Takayasu's arteritis.
Clin Exp Immunol 2004;
138:369-74. [PMID:
15498051 PMCID:
PMC1809220 DOI:
10.1111/j.1365-2249.2004.02613.x]
[Citation(s) in RCA: 57] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
We have investigated constitutive and phytohaemagglutinin (PHA) + phorbol 12-myristate 13-acetate (PMA)-induced gene expression of tumour necrosis factor (TNF)-alpha, interferon (IFN)-gamma, interleukin (IL)-2, IL-3, IL-4, IL-10, IL-12 and granulocyte macrophage colony-stimulating factor (GM-CSF) in peripheral blood mononuclear cells (PBMCs) of 10 patients with Takayasu's arteritis (TA) and 10 healthy controls by semiquantitative reverse transcriptase polymerase chain reaction (RT-PCR). The constitutive mRNA expression of TNF-alpha (69.0 +/- 4.0%versus 27.5 +/- 18.0%; P = 0.001) and IL-4 (60.0 +/- 10.0%versus 0%; P = 0.001) was significantly higher in patients than controls; that of IL-3 was comparable in both groups (38.0 +/- 6.0%versus 32.0 +/- 5.0%; P = 0.651) while no constitutive mRNA expression was observed for the other cytokines studied. The stimulated PBMCs of patients, as compared with the controls, had higher mRNA gene expression of TNF-alpha (127.0 +/- 16.0%versus 54.0 +/- 6.0%; P = 0.001), IFN-gamma (93.0 +/- 13.0%versus 57.0 +/- 5.0%; P = 0.032), IL-2 (109.0 +/- 13.0%versus 68.0 +/- 6.0%; P = 0.015), IL-3 (60.0 +/- 8.0%versus 21.2 +/- 3.0%; P = 0.045) and IL-4 (68.0 +/- 7.0%versus 27.0 +/- 7.2%; P = 0.01) The mRNA expression of IL-10 was lower in patients than controls (35.0 +/- 8.0%versus 75.0 +/- 12.0%; P = 0.022). The GM-CSF mRNA was similar (102.0 +/- 6.0%versus 89.0 +/- 5.0%; P = 0.475) in both groups. Stimulation of cells with PHA + PMA showed no IL-12 expression but stimulation with lipopolysaccharide induced higher IL-12 mRNA in patients than controls (83.0 +/- 14.0%versus 33.0 +/- 4.0%; P = 0.005). Our data suggest that an inflammatory cytokine signature exists in TA with a key role for TNF-alpha, IL-4, IL-10 and IL-12 in different pathological processes of the disease.
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