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The effect of low doses of prednisolone on T-cell subsets in rheumatoid arthritis

Prednisolone intake causes a drop in the absolute numbers of circulating T-cell populations. OKT4+ (helper-inducer) cells are more susceptible to this. Higher doses are needed to depress OKT8+ (suppressor-cytotoxic) cell numbers. Administration of up to 10 mg prednisolone affects the suppressor-cytotoxic (OKT8+) absolute cell numbers only in patients with initially low OKT4+/OKT8+ ratios and not the values of OKT8+ cells in patients with high OKT4+/OKT8+ ratios, since these patients already have low OKT8+ cell counts.

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