Whole blood transcriptome changes following controlled human malaria infection in malaria pre-exposed volunteers correlate with parasite prepatent period.

Details

Serval ID
serval:BIB_6AAF64480240
Type
Article: article from journal or magazin.
Collection
Publications
Title
Whole blood transcriptome changes following controlled human malaria infection in malaria pre-exposed volunteers correlate with parasite prepatent period.
Journal
PloS one
Author(s)
Rothen J., Murie C., Carnes J., Anupama A., Abdulla S., Chemba M., Mpina M., Tanner M., Lee Sim B.K., Hoffman S.L., Gottardo R., Daubenberger C., Stuart K.
ISSN
1932-6203 (Electronic)
ISSN-L
1932-6203
Publication state
Published
Issued date
2018
Peer-reviewed
Oui
Volume
13
Number
6
Pages
e0199392
Language
english
Notes
Publication types: Journal Article ; Research Support, N.I.H., Extramural
Publication Status: epublish
Abstract
Malaria continues to be one of mankind's most devastating diseases despite the many and varied efforts to combat it. Indispensable for malaria elimination and eventual eradication is the development of effective vaccines. Controlled human malaria infection (CHMI) is an invaluable tool for vaccine efficacy assessment and investigation of early immunological and molecular responses against Plasmodium falciparum infection. Here, we investigated gene expression changes following CHMI using RNA-Seq. Peripheral blood samples were collected in Bagamoyo, Tanzania, from ten adults who were injected intradermally (ID) with 2.5x104 aseptic, purified, cryopreserved P. falciparum sporozoites (Sanaria® PfSPZ Challenge). A total of 2,758 genes were identified as differentially expressed following CHMI. Transcriptional changes were most pronounced on day 5 after inoculation, during the clinically silent liver phase. A secondary analysis, grouping the volunteers according to their prepatent period duration, identified 265 genes whose expression levels were linked to time of blood stage parasitemia detection. Gene modules associated with these 265 genes were linked to regulation of transcription, cell cycle, phosphatidylinositol signaling and erythrocyte development. Our study showed that in malaria pre-exposed volunteers, parasite prepatent period in each individual is linked to magnitude and timing of early gene expression changes after ID CHMI.
Keywords
Blood Proteins/genetics, Gene Expression Profiling, Gene Expression Regulation/genetics, Humans, Malaria, Falciparum/blood, Malaria, Falciparum/genetics, Malaria, Falciparum/parasitology, Parasitemia/blood, Parasitemia/genetics, Plasmodium falciparum/isolation & purification, Plasmodium falciparum/pathogenicity, Transcriptome/genetics, Volunteers
Pubmed
Web of science
Open Access
Yes
Create date
28/02/2022 11:45
Last modification date
23/03/2024 7:24
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