The Malaria Metabolite HMBPP Does Not Trigger Erythrocyte Terpene Release.

The Malaria Metabolite HMBPP Does Not Trigger Erythrocyte Terpene Release.
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DOI:
10.1021/acsinfecdis.0c00548
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发表时间:
2020-10-09
影响因子:
5.3
通讯作者:
Odom John AR
Odom John AR
中科院分区:
医学2区
文献类型:
--
作者:
Miller JJ;Odom John AR

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感染疟疾寄生虫使宿主比未感染的健康宿主更吸引蚊子。一种挥发性有机化合物,α-蒎烯,与疟原虫有关。在多项研究中,它是一种已知的蚊子引诱剂。然而,疟疾感染如何导致宿主相关α-蒎烯水平升高仍不清楚。一项研究表明,红细胞暴露于疟疾代谢物(E)-4-羟基-3-甲基-丁-2-烯焦磷酸(HMBPP)导致α-蒎烯水平升高。在这里,我们确定了人红细胞中存在内源性α-蒎烯水平,这些水平因红细胞供体而变化很大,并且HMBPP处理不会改变α-蒎烯水平。
Infection with malarial parasites renders hosts more mosquito-attractive than their uninfected, healthy counterparts. One volatile organic compound, α-pinene, is associated with Plasmodium spp. infection in multiple studies and is a known mosquito attractant. However, how malarial infection results in elevated levels of host-associated α-pinene remains unclear. One study suggested that exposure of erythrocytes to the malarial metabolite (E)-4-hydroxy-3-methyl-but-2-enyl pyrophosphate (HMBPP) results in increased levels of α-pinene. Here we establish that endogenous levels of α-pinene are present in human erythrocytes, that these levels vary widely by erythrocyte donor, and that α-pinene levels are not altered by HMBPP treatment.
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