Genetic variation is a key factor influencing cytokine production capacity,but which genetic loci regulate cytokine production before and after vaccination,particularly in African population is unknown.Here,we aimed t...Genetic variation is a key factor influencing cytokine production capacity,but which genetic loci regulate cytokine production before and after vaccination,particularly in African population is unknown.Here,we aimed to identify single-nucleotide polymorphisms(SNPs)controlling cytokine responses after microbial stimulation in infants of West-African ancestry,comprising of low-birth-weight neonates randomized to bacillus Calmette-Gue rin(BCG)vaccine-at-birth or to the usual delayed BCG.Genome-wide cytokine cytokine quantitative trait loci(cQTL)mapping revealed 12 independent loci,of which the LINC01082-LINC00917 locus influenced more than half of the cytokine-stimulation pairs assessed.Furthermore,nine distinct cQTLs were found among infants randomized to BCG.Functional validation confirmed that several complement genes affect cytokine response after BCG vaccination.We observed a limited overlap of common cQTLs between the West-African infants and cohorts of Western European individuals.These data reveal strong population-specific genetic effects on cytokine production and may indicate new opportunities for therapeutic intervention and vaccine development in African populations.展开更多
Coronavirus disease 2019(COVID-19)has become a global pandemic,currently affecting 215 countries and regions.Over 5,200,000 confirmed cases,including nearly 340,000 deaths,were reported as of May 24,2020.COVID-19 seve...Coronavirus disease 2019(COVID-19)has become a global pandemic,currently affecting 215 countries and regions.Over 5,200,000 confirmed cases,including nearly 340,000 deaths,were reported as of May 24,2020.COVID-19 severity and mortality are higher in elderly patients with pre-existing chronic diseases[1,2].Children seem to be less susceptible to COVID-19 than adults.Among the reported cases in China,pediatric patients under 10 years old accounted for only approximately 1%of the total confirmed patients[1].Similarly,epidemiological studies found that pediatric cases account for 1%-5%of the diagnosed COVID-19 cases in countries that have had large outbreaks,including China,Italy,the United Kingdom,and the United States[3-6].展开更多
基金supported by the Spinoza grant of the Netherlands Organization for Scientific Research and an ERC Advanced Grant(grant number833247)supported by the European Research Council(starting grant ERC-2009-StG-243149)+3 种基金the Novo Nordisk Foundation(research professorship grant to P.A.)the Danish National Research Foundation(grant DNRF108)the DANIDA,European Union FP7,and OPTIMUNISE(grant Health-F3-2011-261375 to the Bandim Health Project)supported by the Hypathia tenure track grant Radboud UMC。
文摘Genetic variation is a key factor influencing cytokine production capacity,but which genetic loci regulate cytokine production before and after vaccination,particularly in African population is unknown.Here,we aimed to identify single-nucleotide polymorphisms(SNPs)controlling cytokine responses after microbial stimulation in infants of West-African ancestry,comprising of low-birth-weight neonates randomized to bacillus Calmette-Gue rin(BCG)vaccine-at-birth or to the usual delayed BCG.Genome-wide cytokine cytokine quantitative trait loci(cQTL)mapping revealed 12 independent loci,of which the LINC01082-LINC00917 locus influenced more than half of the cytokine-stimulation pairs assessed.Furthermore,nine distinct cQTLs were found among infants randomized to BCG.Functional validation confirmed that several complement genes affect cytokine response after BCG vaccination.We observed a limited overlap of common cQTLs between the West-African infants and cohorts of Western European individuals.These data reveal strong population-specific genetic effects on cytokine production and may indicate new opportunities for therapeutic intervention and vaccine development in African populations.
基金supported by the Hubei Provincial Department of Science and Technology Innovation Group Programme (2019CFA034)the Foundation for Free Exploration of Hubei University of Medicine (FDFR201802)+2 种基金the Shiyan Municipal Guided Emergent Scientific Research Programme for the Prevention and Control of New Coronavirus Pneumonia (20Y12)the National Natural Science Foundation of China (81972668)the National Key Research and Development Program of China (2018ZX10301-208)。
文摘Coronavirus disease 2019(COVID-19)has become a global pandemic,currently affecting 215 countries and regions.Over 5,200,000 confirmed cases,including nearly 340,000 deaths,were reported as of May 24,2020.COVID-19 severity and mortality are higher in elderly patients with pre-existing chronic diseases[1,2].Children seem to be less susceptible to COVID-19 than adults.Among the reported cases in China,pediatric patients under 10 years old accounted for only approximately 1%of the total confirmed patients[1].Similarly,epidemiological studies found that pediatric cases account for 1%-5%of the diagnosed COVID-19 cases in countries that have had large outbreaks,including China,Italy,the United Kingdom,and the United States[3-6].
