A new method for culturing Plasmodium falciparum shows replication at the highest erythrocyte densities.

A new method for culturing Plasmodium falciparum shows replication at the highest erythrocyte densities.
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一种培养恶性疟原虫的新方法显示出在最高红细胞密度下的复制。

DOI:
10.1086/345876
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发表时间:
2003
期刊:
The Journal of infectious diseases
影响因子:
--
通讯作者:
Zimmerberg,Joshua
Zimmerberg,Joshua
中科院分区:
--
文献类型:
--
作者:
Li,Tao;Glushakova,Svetlana;Zimmerberg,Joshua

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当红细胞密度大于20%时,恶性疟原虫的复制能力很差。利用中空纤维生物反应器培养恶性疟原虫的新方法,在红细胞压积高达100%时,可以保持健康的红细胞。该方法被证明有利于大规模制备寄生红细胞(及其潜在的免疫原),因为可以以较少的成本和劳动力制备高产率(4天内1010)。同时,分泌的蛋白质在培养过程中通过分子筛浓缩,这可能导致3D 7菌株的寄生虫血症限度为8%-12%。P.恶性疟原虫能在红细胞密集的密度下复制,这表明该系统可能有助于研究致命性脑型疟疾的发病机制,其特征之一是脑微血管中的血细胞密集
Plasmodium falciparumreplicates poorly in erythrocyte densities greater than a hematocrit of 20%. A new method to culture the major malaria parasite was developed by using a hollow fiber bioreactor that preserves healthy erythrocytes at hematocrit up to 100%.P. falciparumreplicated equally well at all densities studied. This method proved advantageous for large-scale preparation of parasitized erythrocytes (and potentially immunogens thereof), because high yields (∼1010in 4 days) could be prepared with less cost and labor. Concomitantly, secreted proteins were concentrated by molecular sieving during culture, perhaps contributing to the parasitemic limit of 8%–12% with the 3D7 strain. The finding thatP. falciparumcan replicate at packed erythrocyte densities suggests that this system may be useful for study of the pathogenesis of fatal cerebral malaria, of which one feature is densely packed blood cells in brain microvasculature
一种紧凑型半自动恶性疟原虫连续培养系统。
DOI: 10.1016/0035-9203(81)90338-2
发表时间: 1981
影响因子: 2.2
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恶性疟原虫:在半自动装置中连续培养。
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DOI: --
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