Variation in human genes encoding adhesion and proinflammatory molecules are associated with severe malaria in the Vietnamese

The genetic basis for susceptibility to malaria has been studied widely in African populations but less is known of the contribution of specific genetic variants in Asian populations. We genotyped 67 single-nucleotide polymorphisms (SNPs) in 1030 severe malaria cases and 2840 controls from Vietnam....

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Autore principale: Simmons, Cameron
Natura: Journal Article
Lingua:inglese
Pubblicazione: 2018
Accesso online:https://demo7.dspace.org/handle/123456789/111
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author Simmons, Cameron
author_browse Simmons, Cameron
author_facet Simmons, Cameron
author_sort Simmons, Cameron
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description The genetic basis for susceptibility to malaria has been studied widely in African populations but less is known of the contribution of specific genetic variants in Asian populations. We genotyped 67 single-nucleotide polymorphisms (SNPs) in 1030 severe malaria cases and 2840 controls from Vietnam. After data quality control, genotyping data of 956 cases and 2350 controls were analysed for 65 SNPs (3 gender confirmation, 62 positioned in/near 42 malarial candidate genes). A total of 14 SNPs were monomorphic and 2 (rs8078340 and rs33950507) were not in Hardy-Weinberg equilibrium in controls (P<0.01). In all, 7/46 SNPs in 6 genes (ICAM1, IL1A, IL17RC, IL13, LTA and TNF) were associated with severe malaria, with 3/7 SNPs in the TNF/LTA region. Genotype-phenotype correlations between SNPs and clinical parameters revealed that genotypes of rs708567 (IL17RC) correlate with parasitemia (P=0.028, r(2)=0.0086), with GG homozygotes having the lowest parasite burden. Additionally, rs708567 GG homozygotes had a decreased risk of severe malaria (P=0.007, OR=0.78 (95% CI; 0.65-0.93)) and death (P=0.028, OR=0.58 (95% CI; 0.37-0.93)) than those with AA and AG genotypes. In summary, variants in six genes encoding adhesion and proinflammatory molecules are associated with severe malaria in the Vietnamese. Further replicative studies in independent populations will be necessary to confirm these findings.
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spelling oai:localhost:123456789-1112021-04-07T16:30:07Z Variation in human genes encoding adhesion and proinflammatory molecules are associated with severe malaria in the Vietnamese Simmons, Cameron The genetic basis for susceptibility to malaria has been studied widely in African populations but less is known of the contribution of specific genetic variants in Asian populations. We genotyped 67 single-nucleotide polymorphisms (SNPs) in 1030 severe malaria cases and 2840 controls from Vietnam. After data quality control, genotyping data of 956 cases and 2350 controls were analysed for 65 SNPs (3 gender confirmation, 62 positioned in/near 42 malarial candidate genes). A total of 14 SNPs were monomorphic and 2 (rs8078340 and rs33950507) were not in Hardy-Weinberg equilibrium in controls (P<0.01). In all, 7/46 SNPs in 6 genes (ICAM1, IL1A, IL17RC, IL13, LTA and TNF) were associated with severe malaria, with 3/7 SNPs in the TNF/LTA region. Genotype-phenotype correlations between SNPs and clinical parameters revealed that genotypes of rs708567 (IL17RC) correlate with parasitemia (P=0.028, r(2)=0.0086), with GG homozygotes having the lowest parasite burden. Additionally, rs708567 GG homozygotes had a decreased risk of severe malaria (P=0.007, OR=0.78 (95% CI; 0.65-0.93)) and death (P=0.028, OR=0.58 (95% CI; 0.37-0.93)) than those with AA and AG genotypes. In summary, variants in six genes encoding adhesion and proinflammatory molecules are associated with severe malaria in the Vietnamese. Further replicative studies in independent populations will be necessary to confirm these findings. 2018-09-14T11:14:55Z 2017-07-12T04:00:00Z 2018-09-14T11:14:55Z 2012-09-01 Journal Article https://demo7.dspace.org/handle/123456789/111 English
spellingShingle Simmons, Cameron
Variation in human genes encoding adhesion and proinflammatory molecules are associated with severe malaria in the Vietnamese
title Variation in human genes encoding adhesion and proinflammatory molecules are associated with severe malaria in the Vietnamese
title_full Variation in human genes encoding adhesion and proinflammatory molecules are associated with severe malaria in the Vietnamese
title_fullStr Variation in human genes encoding adhesion and proinflammatory molecules are associated with severe malaria in the Vietnamese
title_full_unstemmed Variation in human genes encoding adhesion and proinflammatory molecules are associated with severe malaria in the Vietnamese
title_short Variation in human genes encoding adhesion and proinflammatory molecules are associated with severe malaria in the Vietnamese
title_sort variation in human genes encoding adhesion and proinflammatory molecules are associated with severe malaria in the vietnamese
url https://demo7.dspace.org/handle/123456789/111
work_keys_str_mv AT simmonscameron variationinhumangenesencodingadhesionandproinflammatorymoleculesareassociatedwithseveremalariainthevietnamese