Please use this identifier to cite or link to this item: https://doi.org/10.1371/journal.pntd.0006202
Title: Joint ancestry and association test indicate two distinct pathogenic pathways involved in classical dengue fever and dengue shock syndrome
Authors: Oliveira, M.
Lert-itthiporn, W.
Cavadas, B.
Fernandes, V.
Chuansumrit, A.
Anunciação, O.
Casademont, I.
Koeth, F.
Penova, M.
Tangnararatchakit, K.
Khor, C.C. 
Paul, R.
Malasit, P.
Matsuda, F.
Simon-Lorière, E.
Suriyaphol, P.
Pereira, L.
Sakuntabhai, A.
Issue Date: 2018
Publisher: Public Library of Science
Citation: Oliveira, M., Lert-itthiporn, W., Cavadas, B., Fernandes, V., Chuansumrit, A., Anunciação, O., Casademont, I., Koeth, F., Penova, M., Tangnararatchakit, K., Khor, C.C., Paul, R., Malasit, P., Matsuda, F., Simon-Lorière, E., Suriyaphol, P., Pereira, L., Sakuntabhai, A. (2018). Joint ancestry and association test indicate two distinct pathogenic pathways involved in classical dengue fever and dengue shock syndrome. PLoS Neglected Tropical Diseases 12 (2) : e0006202. ScholarBank@NUS Repository. https://doi.org/10.1371/journal.pntd.0006202
Rights: Attribution 4.0 International
Abstract: Ethnic diversity has been long considered as one of the factors explaining why the severe forms of dengue are more prevalent in Southeast Asia than anywhere else. Here we take advantage of the admixed profile of Southeast Asians to perform coupled association-admixture analyses in Thai cohorts. For dengue shock syndrome (DSS), the significant haplotypes are located in genes coding for phospholipase C members (PLCB4 added to previously reported PLCE1), related to inflammation of blood vessels. For dengue fever (DF), we found evidence of significant association with CHST10, AHRR, PPP2R5E and GRIP1 genes, which participate in the xenobiotic metabolism signaling pathway. We conducted functional analyses for PPP2R5E, revealing by immunofluorescence imaging that the coded protein co-localizes with both DENV1 and DENV2 NS5 proteins. Interestingly, only DENV2-NS5 migrated to the nucleus, and a deletion of the predicted top-linking motif in NS5 abolished the nuclear transfer. These observations support the existence of differences between serotypes in their cellular dynamics, which may contribute to differential infection outcome risk. The contribution of the identified genes to the genetic risk render Southeast and Northeast Asian populations more susceptible to both phenotypes, while African populations are best protected against DSS and intermediately protected against DF, and Europeans the best protected against DF but the most susceptible against DSS. © 2018 Oliveira et al.
Source Title: PLoS Neglected Tropical Diseases
URI: https://scholarbank.nus.edu.sg/handle/10635/210885
ISSN: 19352727
DOI: 10.1371/journal.pntd.0006202
Rights: Attribution 4.0 International
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