Human serum haptoglobin is toxic to Plasmodium falciparum in vitro

被引:18
作者
Imrie, H
Ferguson, DJP
Day, KP
机构
[1] Univ Oxford, Dept Zool, Oxford OX1 3SY, England
[2] John Radcliffe Hosp, Dept Pathol & Bacteriol, Oxford OX3 9DU, England
基金
英国惠康基金;
关键词
haptoglobin; Plasmodium falciparum; acute phase proteins;
D O I
10.1016/j.molbiopara.2003.07.007
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Innate immune responses are important in the control of malaria, particularly in those who have not yet mounted an effective adaptive response. Here we report that the human serum acute phase protein, haptoglobin, is toxic to Plasmodium falciparum cultured in vitro. This effect is phenotype dependent and occurs during the trophozoite phase of the asexual life cycle. We propose that the increased levels of haptoglobin seen in the acute phase response may be protective against malaria in humans. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码:93 / 98
页数:6
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