Association of toll like receptors polymorphism (TLR1-rs4833095, TLR1-rs5743611, TLR6-rs5743810, TLR6-rs5743809, TLR4-rs4986790, TLR4-rs4986791, TLR9 rs187084) with clinical outcome of malaria among children in Ibadan, Southwest Nigeria.

IF 4.9 4区 医学 Q1 PARASITOLOGY
Oluwayemi J Bamikole, Subulade A Ademola, Miles-Dei B Olufeagba, Babajide A Adedeji, Olukemi K Amodu
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Abstract

Different genetic polymorphisms, particularly in the erythrocyte receptors and immune response-related genes, have been implicated in the development of malaria. With the first immune response to Plasmodium falciparum related to the activity of toll-like receptors (TLRs), we investigated the association of TLR polymorphisms with the clinical outcome of malaria among 662 children in Ibadan, Nigeria. The participants were genotyped for TLR1-rs5743611, TLR1-rs4833095, TLR4-rs4986791, TLR4-rs4986790, TLR6-rs5743810, TLR9-rs187084 and TLR9-rs5743809 using TaqMan real-time PCR probes and analyzed using the Sequenom iPLEX platform. Statistical analyses were performed using PLINK 2.0, Haploview 4.2 and SPSS® 20.0. Overall, the TLR genes were consistent with the Hardy-Weinberg equilibrium. The minor allelic frequency (MAF) of TRL1-rs4833095, TLR4-rs4986790, TLR4-rs4986791, TLR9-rs187084, TLR9-rs5743809 was 0.094, 0.089, 0.011, 0.288, and 0.044, respectively. The CT genotype of TLR1-rs4833095 was significantly associated with increased susceptibility to clinical malaria. Similarly, the GA and CT genotypes of TLR4-rs4986790 and TLR4-rs4986791, respectively, were linked to susceptibility to complicated malaria. TLR9-rs187084 CT was associated with the development of uncomplicated malaria, while TLR6-rs5743809 showed no significant association with malaria. Notably, TLR1-rs5743611 and TLR6-rs5743810 were monomorphic in the population. This study, pioneering in its exploration of TLR polymorphisms among Yorubas', underscores the need for expansive, large-scale investigations involving diverse TLR polymorphisms across multiple malaria-endemic populations.

toll样受体多态性(TLR1-rs4833095、TLR1-rs5743611、TLR6-rs5743810、TLR6-rs5743809、TLR4-rs4986790、TLR4-rs4986791、TLR9 rs187084)与尼日利亚西南部伊巴丹地区儿童疟疾临床转归的关系
不同的遗传多态性,特别是红细胞受体和免疫反应相关基因中的多态性,与疟疾的发展有关。在尼日利亚伊巴丹的662名儿童中,我们首次发现了与toll样受体(TLRs)活性相关的恶性疟原虫免疫应答,研究了TLR多态性与疟疾临床结局的关系。使用TaqMan实时PCR探针对参与者进行TLR1-rs5743611、TLR1-rs4833095、TLR4-rs4986791、TLR4-rs4986790、TLR6-rs5743810、TLR9-rs187084和TLR9-rs5743809基因分型,并使用Sequenom iPLEX平台进行分析。采用PLINK 2.0、Haploview 4.2和SPSS®20.0进行统计学分析。总体而言,TLR基因符合Hardy-Weinberg平衡。TRL1-rs4833095、TLR4-rs4986790、TLR4-rs4986791、TLR9-rs187084、TLR9-rs5743809的次要等位基因频率(MAF)分别为0.094、0.089、0.011、0.288和0.044。TLR1-rs4833095的CT基因型与临床疟疾易感性增加显著相关。同样,TLR4-rs4986790和TLR4-rs4986791的GA和CT基因型分别与对复杂疟疾的易感性相关。TLR9-rs187084 CT与非复杂性疟疾的发展相关,而TLR6-rs5743809与疟疾无显著相关性。值得注意的是,TLR1-rs5743611和TLR6-rs5743810在群体中是单态的。这项研究在探索约鲁巴人TLR多态性方面处于领先地位,强调了在多个疟疾流行人群中开展广泛、大规模的TLR多态性调查的必要性。
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来源期刊
Pathogens and Global Health
Pathogens and Global Health PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH-PARASITOLOGY
CiteScore
6.00
自引率
0.00%
发文量
60
审稿时长
6-12 weeks
期刊介绍: Pathogens and Global Health is a journal of infectious disease and public health that focuses on the translation of molecular, immunological, genomics and epidemiological knowledge into control measures for global health threat. The journal publishes original innovative research papers, reviews articles and interviews policy makers and opinion leaders on health subjects of international relevance. It provides a forum for scientific, ethical and political discussion of new innovative solutions for controlling and eradicating infectious diseases, with particular emphasis on those diseases affecting the poorest regions of the world.
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