Genome wide analysis of inbred mouse lines identifies a locus containing Ppar-gamma as contributing to enhanced malaria survival.

Genome wide analysis of inbred mouse lines identifies a locus containing Ppar-gamma as contributing to enhanced malaria survival.
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DOI:
10.1371/journal.pone.0010903
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发表时间:
2010-05-28
期刊:
影响因子:
3.7
通讯作者:
Winzeler EA
Winzeler EA
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Bopp SE;Ramachandran V;Henson K;Luzader A;Lindstrom M;Spooner M;Steffy BM;Suzuki O;Janse C;Waters AP;Zhou Y;Wiltshire T;Winzeler EA

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患者的遗传背景在一定程度上决定了一个人是患上轻度疟疾并康复,还是患上严重疟疾并死亡。我们已经使用小鼠模型来检测与伯氏疟原虫疟疾感染的抗性或易感性有关的基因。为此,我们首先表征了感染伯氏疟原虫的32种不同小鼠品系,并将存活率确定为区分品系的最佳性状。我们发现了一个基因座6号染色体上的小鼠品系的生存表型连接到他们的遗传变异,使用全基因组分析,如单倍型相关映射和有效的混合模型的关联。这个新的疟疾抗性基因座仅包含两个基因,证实了Ppar-γ在疟疾感染中的重要性。
The genetic background of a patient determines in part if a person develops a mild form of malaria and recovers, or develops a severe form and dies. We have used a mouse model to detect genes involved in the resistance or susceptibility to Plasmodium berghei malaria infection. To this end we first characterized 32 different mouse strains infected with P. berghei and identified survival as the best trait to discriminate between the strains. We found a locus on chromosome 6 by linking the survival phenotypes of the mouse strains to their genetic variations using genome wide analyses such as haplotype associated mapping and the efficient mixed-model for association. This new locus involved in malaria resistance contains only two genes and confirms the importance of Ppar-γ in malaria infection.
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