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Defective cellular immunity in renal failure: depression of reactivity of lymphocytes to phytohemagglutinin by renal failure serum
W. Marcus Newberry, Jay P. Sanford
W. Marcus Newberry, Jay P. Sanford
Published June 1, 1971
Citation Information: J Clin Invest. 1971;50(6):1262-1271. https://doi.org/10.1172/JCI106604.
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Research Article

Defective cellular immunity in renal failure: depression of reactivity of lymphocytes to phytohemagglutinin by renal failure serum

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Abstract

In defining host resistance factors in uremia, experiments were designed to assess the effect of renal failure serum upon the reactivity of normal human lymphocytes to phytohemagglutinin in vitro. Normal buffy coat cells were resuspended in sera obtained from normal subjects and from 14 patients with renal failure, then stimulated with phytohemagglutinin M and the cellular response measured by the increase in thymidine or uridine uptake. The mean thymidine uptake by stimulated cells in normal sera was 14,389 ±1695 (SEM) cpm per 2 × 106 lymphocytes. Uridine uptake under the same conditions was 12,540 ±1887 cpm. Compared to these are a mean thymidine uptake of 2740 ±457 cpm and uridine uptake of 3928 ±667 cpm in renal failure sera. Both differences are significant at P<0.01 level.

Authors

W. Marcus Newberry, Jay P. Sanford

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